🚀 Freelance Opportunity: Fullstack Developer (React, Python, LangGraph) – AI Prototyping Project

**Location:** Remote (EU-based)

**Start Date:** ASAP

**Duration:** Until end of Q1 2026 (with possible extension)

**Client:** Leading German E-Commerce Platform

**Engagement:** Freelance / Contract

🧠 About the Project

Our AI prototyping initiative has gained strong momentum, and we’re now looking to **expand our agile development team** with a skilled **Fullstack Developer**. You’ll be working on cutting-edge AI-driven features and tools that will shape the future of e-commerce experiences for millions of users.

🛠️ Tech Stack & Skills

We’re looking for someone with solid experience in:

*   **Frontend:** React (with modern hooks and component architecture)
*   **Backend:** Python (FastAPI or similar frameworks)
*   **AI Tooling:** LangGraph, Pydantic
*   **Bonus:** Experience with LLMs, vector databases, or prompt engineering

✅ What You’ll Do

*   Collaborate closely with AI researchers, product managers, and other developers
*   Build and iterate on prototypes that integrate AI into user-facing and internal tools
*   Ensure clean, scalable, and well-documented code
*   Contribute to architectural decisions and best practices

📅 Timeline

*   **Start:** 01.09.2025
*   **Initial Term:** Until **March 2026**
*   **Extension:** Possible based on performance and project needs

🌍 Why Join?

*   Work with a **forward-thinking, innovation-driven team**
*   Be part of a **high-impact AI initiative** at one of Germany’s top e-commerce platforms
*   Flexible remote setup with a collaborative and inclusive culture

Full Stack Engineer

An international 90-person scale-up in the travel tech industry is looking for a skilled Frontend Developer with strong React expertise to strengthen its core product team. Founded in 2017 in Rotterdam, the Netherlands, the company is on a mission to simplify the often cumbersome process of booking, modifying, and canceling flights and hotels for business trips—making it fast, seamless, and stress-free. You'll be working in a cross-functional IT squad responsible for the core booking app and internal admin portal. The team includes developers, QA, system analysts, and a Product Owner — all collaborating closely across Europe. You are offered a fully remote collaboration with the possibility to work from anywhere in Europe (±3 hours CET). After 9-12 months, a relocation to the Netherlands may be considered upon mutual agreement. Your future tasks:

*   Taking ownership of new feature development and delivery
*   Collaborating on architecture decisions and mentoring less experienced teammates
*   Developing new business features and internal tools
*   Maintaining and improving the existing codebase
*   Contributing to the company's design system and custom UI Kit
*   Participating in design handover sessions and code reviews
*   Working closely with a distributed, English-speaking development team

**Requirements**

*   7+ years of web development experience
*   6+ years of hands-on experience with React, including recent experience
*   Advanced knowledge of Computer Science fundamentals (e.g., algorithms, data structures)
*   Deep understanding of JavaScript, TypeScript, React Query, Zustand, and modern web technologies
*   Experience with coding assistants (e.g., GitHub Copilot, Cursor, Claude)
*   Expertise in modern front-end design patterns and best practices
*   Strong self-management and communication skills
*   A passion for delivering great UX and improving frontend architecture
*   English level: B2+

**Benefits**

*   Competitive salary up to 5 000 EUR gross/month
*   100% remote work from anywhere in Europe (±3 hours to CET)
*   Opportunity to relocate to the Netherlands after 9-12 months (if mutually agreed)
*   B2B long-term contract
*   Paid vacation: 25 working days per year, paid sick leave
*   Multicultural environment with teammates from over 22 countries
*   Growth opportunities in a fast-paced scale-up revolutionizing business travel

React Developer

**Capitole** sigue creciendo y queremos hacerlo contigo!

**¿Qué podemos ofrecerte?**

Estarás integrado/a en un **equipo ágil** trabajando para uno de nuestros clientes más importantes **sector aviación**.

Se trata de un **proyecto totalmente estable y a largo plazo**.

La posición es **100% remota y se deberá residir en España.¿Qué buscamos?**

_Requisitos imprescindibles:_

*   **Experiencia avanzada en Node.js (mínimo 3-4 años)**.
*   Conocimientos sólidos en **Arquitectura Hexagona**l.
*   Buenas prácticas de desarrollo: **testing, control de versiones, CI/CD**.

_Requisitos valorables:_

*   Experiencia con **NestJS o interés en adoptarlo**.
*   Conocimiento y experiencia en entornos **AWS** (Lambda, SQS, S3, ECS…).
*   Experiencia aplicando conceptos de Domain-Driven Design (**DDD**) en entornos reales.
*   Experiencia con **React** (nivel intermedio o básico, no esencial).
*   Buen manejo de **GitHub** y flujos de trabajo colaborativos (pull requests, revisiones de código…).
*   Haber trabajado en entornos **ágiles/SCRUM**.

**¿Por qué Capitole?**

🤝 **Nuestros empleados lo primero**. Creemos en un modelo diferente, más humano, colocamos a las personas en el centro de nuestra empresa.

👨 💻 Proyectos interesantes. Tecnologías de vanguardia. Metodologías ágiles.

🚀 Felicidad y **baja tasa de rotación**

🎓1200€ anuales de **formación a la carta**

🕓 Horario flexible

🎯 Trayectoria profesional a medida

🩺 Seguro médico privado

💰 Retribución flexible

🦾 Plan Andjoy

🥳 Un montón de eventos increíbles, somos una gran familia

💻Comunidades tecnológicas para que compartas tus conocimientos e ideas con los demás equipos. ¡¡¡Compartir el conocimiento interno es fundamental!!!

¡Por último y no menos importante, **un EQUIPAZO**!

¿Aún no nos conoces? ¡¡Descúbrenos!! https://capitole-consulting.com/

Mira lo que opinan de nosotros 👀 https://www.glassdoor.es/Opiniones/Capitole-Consulting-Opiniones-E2060890.htm

No dudes en enviarnos tu perfil, ¡estamos deseando conocerte!

_El empleado/a se adherirá a las políticas de seguridad de la información:_

_\- Tendrá acceso a la información confidencial relativa a Capitole y al proyecto en el que trabaja._

_\- Tendrá que cumplir las políticas de seguridad y las políticas internas de la empresa y cliente._

_\- Tendrá que firmar un NDA._

Node Developer

At Mattermost, we build the #1 collaborative workflow solution for defense, intelligence, security, and critical infrastructure organizations. Trusted by governments, financial institutions, and technology companies, our platform enables secure, efficient operations for the world’s most critical teams. We’re dedicated to empowering organizations to operate with confidence, reducing risks, and accelerating productivity. Guided by our core values of Customer Obsession, Earn Trust, Self Awareness, Ownership and High Impact, we collaborate closely with our customers to deliver solutions that meet complex needs and drive success. To learn more, visit www.mattermost.com Mattermost is seeking a highly skilled and experienced Software Engineer II to design, develop, and maintain cutting-edge solutions that enable secure, efficient, and collaborative workflows for mission-critical industries like defense, intelligence, and critical infrastructure. As a Software Engineer II, you'll work at the intersection of technology and user needs, delivering features that solve real-world problems, particularly in domains where precision, security, and collaboration are paramount. This is more than a coding role—it’s a product engineering role focused on building products with a direct impact on critical workflows. Your contributions to our open-core platform using your personal GitHub account will empower the broader developer community while leaving a lasting professional legacy. The person in this role will join a fast-paced, flexible full stack team responsible for developing and delivering impactful features and systems that empower collaboration for the world’s most critical organizations. Do you have a passion for designing and developing high-impact products? Do you want to work with a well-oiled, collaborative and highly senior team? Do you want to make an impact on open source? Help us build and grow one of the largest React and Go open-source projects. **Responsibilities Include**

*   Design, build, and maintain software solutions using TypeScript, React, React Native, and Go to deliver secure and scalable products
*   Take full-stack ownership by developing user-facing features, back-end architectures, APIs, and integrations
*   Contribute to Mattermost’s open-source platform through GitHub, creating impactful open-source solutions for both internal and external ecosystems
*   Collaborate with product managers, designers, and engineers to prototype and ship tailored solutions for complex workflows.
*   Mentor peers through code reviews, technical discussions, and knowledge sharing, fostering a culture of excellence
*   Implement and maintain unit/integration/e2e tests to ensure code quality and robust platform performance
*   Diagnose and resolve bugs or performance bottlenecks, ensuring security and reliability in deployments
*   Leverage customer and industry feedback to iterate rapidly and deliver adaptable, high-value solutions
*   Lead the development of mission-critical, customer-focused solutions, anticipating the evolving needs of defense, intelligence, and infrastructure industries

**Requirements**

*   BS in Computer Science, Computer Engineering, or related field/experience
*   3+ years of experience working as a full-stack software engineer building scalable, production-ready systems
*   Strong skills in our technology stack: TypeScript, React, React Native, Go, and/or PostgreSQL
*   Expertise in full-stack development, including designing APIs, implementing frontends, creating fault-tolerant backend code, and optimizing database performance
*   Enthusiasm for and experience developing with AI Tools like Claude Code, Cursor and/or GitHub Copilot
*   Solid understanding of modern development workflows, including CI/CD pipelines, distributed systems, and cloud infrastructure
*   Comfortable working as a product engineer, focused on solving customer-centric problems in addition to writing code
*   Strong written and verbal communication skills suitable for diverse audiences
*   Capable of working independently across multiple time zones while actively engaging in team collaboration
*   For candidates residing in the U.S.: This role may require the ability to obtain and maintain a U.S. government security clearance in the future. As such, U.S. applicants must be U.S. citizens and eligible under applicable clearance requirements.
*   Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR.

Preferences

*   Experience contributing to open-source projects
*   Experience with end-to-end testing frameworks such as Playwright and/or Cypress
*   Expertise in defense, intelligence, or security-focused workflows
*   Has worked fully remotely with global teams

_Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future._ Salary Range $130,000 - $160,000 USD Mattermost is an EEO Employer, We are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Software Engineer II

Job title: Node.js Developer Job type: Contract Contract Length: 7 months contract Rate: €400-€500 Role Location: Europe **Role And Responsibilities**

*   Tech: Node.js & Typescript, (Must be able to read & work with legacy code in Php)
*   Project Scope:

Migration project — moving a high-traffic PHP platform to Node.js. **Job Requirements**

*   Interview Process:

2-stage interview (fast turnaround – Make a decision next week) If you’re available or know someone who is drop me a message!

Node.js Developer - Php Migration

En **Metrica** somos una empresa líder en servicios de **consultoría tecnológica** con más de 20 años de experiencia, especializada en el desarrollo de soluciones innovadoras y personalizadas para grandes organizaciones.

Actualmente estamos seleccionando un **Desarrollador Angular** con al menos **3 años de experiencia** para unirse a un importante cliente internacional.

🛠️ **Conocimientos técnicos requeridos**

*   Experiencia en **Angular**
*   Uso de librerías UI como **PrimeNG**.
*   Conocimiento de **protección de rutas** en Angular.
*   Experiencia en **testing unitario**
*   Manejo de **GitHub Actions**, **Git** y **GitLab**.
*   **Kubernetes**
*   **Postman¿Qué ofrecemos?**

*   💻 **Trabajo 100% remoto**, para que trabajes desde donde quieras.
*   📚 **Formación continua gratuita**, porque apostamos por tu crecimiento profesional.
*   💼 **Plan de retribución flexible** adaptado a tus necesidades.
*   🔒 **Estabilidad laboral** en un entorno dinámico e internacional.

*   **¿Buscas estabilidad? ¡Inscríbete!**

Desarrollador de front-end

**Deine Rolle in einem Satz** Du entwickelst moderne Web-Oberflächen mit TypeScript & React und sorgst dafür, dass unsere digitalen Tools, von Gateway-Dashboards bis zu internen Anwendungen, intuitiv nutzbar und technisch sauber umgesetzt sind. **Deine Rolle bei uns** Als **Frontend Developer (m/w/d)** gestaltest und entwickelst du die Benutzeroberflächen unserer digitalen Produkte von internen Tools über Kunden-Dashboards bis hin zu produktionsnahen Systemen. Mit deinem Gespür für gute Nutzerführung und performanten Code übersetzt du technische Anforderungen in moderne, reaktive Interfaces. Du arbeitest eng mit Backend-Entwicklern, Embedded-Entwicklern, Sales und Operations zusammen, um komplexe Daten und Abläufe zugänglich, verständlich und ansprechend darzustellen. Dabei bringst du dich nicht nur in der Umsetzung ein, sondern gestaltest unsere Komponentenbibliothek, UI-Standards und Entwicklungsprozesse aktiv mit. **Deine Aufgaben**

*   Du entwickelst interaktive, performante Web-UIs mit TypeScript und React für interne Tools, Dashboards und produktionsnahe Anwendungen.
*   Du integrierst REST-APIs, bindest Datenquellen an und visualisierst Zustände, z. B. von Gateways oder Systemprozessen.
*   Du setzt Komponenten auf Basis unseres internen UI-Designsystems um und gestaltest dieses mit.
*   Du arbeitest eng mit Backend, Embedded, Sales und Operations zusammen, um die Nutzerperspektive in unsere Lösungen einzubringen.
*   Du sicherst Codequalität, Usability und Wartbarkeit durch Testing, Reviews und saubere Dokumentation.
*   Du bringst dich aktiv in die Weiterentwicklung unserer Frontend-Struktur, Tools und Prozesse ein.

**Das bringst du mit**

*   Du hast Erfahrung in der Entwicklung moderner Webanwendungen mit TypeScript und React.
*   Du bist sicher im Umgang mit VCS wie git.
*   Du arbeitest komponentenbasiert, strukturiert und denkst in wiederverwendbaren UI-Bausteinen.
*   Du hast ein gutes Gespür für Usability, Nutzerführung und Designprinzipien.
*   Du bist sicher im Umgang mit REST-APIs, Datenbindung und State-Management (z B. Zustand).
*   Du bringst Grundverständnis für technische Abläufe im Kontext von IoT- oder datengetriebenen Systemen mit.
*   Du dokumentierst deine Arbeit nachvollziehbar und arbeitest gerne im Team, auch remote und asynchron.
*   Du suchst ein Umfeld, in dem du Verantwortung übernehmen, mitgestalten und dich weiterentwickeln kannst.

**Warum othermo?** Wir verbinden Technologie mit echtem Kundennutzen und setzen auf pragmatische Lösungen statt Buzzwords. Bei othermo arbeitest du in einem Umfeld, in dem deine Ideen gehört werden, dein Beitrag zählt und du direkt mitgestalten kannst, wie die Energiewende im Gebäudebestand gelingt. **Das erwartet dich**

*   Ein skalierbares Produkt mit echtem Impact: Digitalisierung & Dekarbonisierung von Heizungsanlagen.
*   Ein tech-getriebenes Umfeld mit flachen Hierarchien, schnellen Entscheidungen und viel Gestaltungsspielraum.
*   Ein klarer Tech-Stack: TypeScript, React (v18+), Bootstrap, Vite, Webpack, GitLab CI/CD, Docker, Shell-Skripting, Sentry/ Glitchtip, VS Code, WebStorm.
*   Ein motiviertes, interdisziplinäres Team - Backend, Embedded, Sales & Operations arbeiten eng zusammen.
*   Ein offenes Miteinander, in dem jede Meinung zählt und deine Beiträge sichtbar werden.
*   Flexible Remote-Strukturen, moderne Hardware, persönliche Entwicklungsmöglichkeiten.

**Klingt nach dir? Dann freuen wir uns auf deine Bewerbung!** Schick uns deinen Lebenslauf (ein Motivationsschreiben brauchst du nicht zwingend) und erzähl uns in ein paar Zeilen, warum du Lust auf diese Rolle hast. **So kannst Du uns erreichen!** Bei Fragen oder technischen Problemen sind wir gerne für Dich da. Schreib uns einfach an **jobs@othermo.de** - wir melden uns so schnell wie möglich bei dir zurück. **Über unsOthermo Gestaltet Die Digitale Energiewende In Gebäuden.** Als wachsendes Technologieunternehmen entwickeln wir smarte Hardware und digitale Lösungen für die Wohnungs- und Energiewirtschaft von Stadtwerken bis hin zu großen Wohnungsbauunternehmen. Unsere Produkte bieten eine skalierbare Lösung zur Digitalisierung und Optimierung bestehender Heizungsanlagen. Der othermo-Auto-Pilot überwacht herstellerübergreifend Fernwärme-, Gasheizungen und Wärmepumpen sowie Hybridanlagen, identifiziert Einsparpotenziale und gibt konkrete Handlungsempfehlungen zur CO₂-Reduktion. Dabei kombinieren wir tiefes Tech-Know-how mit echter Kundennähe. Gemeinsam mit unseren Partnern schaffen wir die Basis für ein klimafreundliches Energiesystem, das nicht morgen, sondern heute gebraucht wird. Unser Team besteht aus Entwicklern, Produktexperten, Prozessprofis - und vielleicht bald dir.

Frontend Developer (m/w/d)

*   Proven experience with **.NET MAUI** and/or **Xamarin** mobile development.
*   Strong knowledge of architecture principles and design patterns.
*   Experience with **CI/CD tools** and deployment processes.
*   Familiarity with Agile development practices.
*   Proficient in debugging and writing unit tests.
*   **Fluent in English** with excellent communication skills.

Mobile Developer

ClickUp is revolutionizing the way the world works. As the only all-in-one productivity platform built from day one for true convergence, ClickUp unifies tasks, docs, chat, calendar, enterprise search, and more—supercharged by context-driven AI. While others scramble to bundle fragmented tools or bolt on AI, we anticipated this future and made it our foundation from the start. Headquartered in San Diego with a rapidly expanding global footprint, we empower over three million teams to break free from silos and reclaim their time—saving at least one day every week. Join ClickUp, one of the fastest-growing SaaS companies on the planet, and help millions of users transform the way they work. We’re not just building software. We’re shaping the future of work. Come join us in building the future—together. 🦄  

Collaboration and partnership are vital to how ClickUp operates. A significant portion of your responsibilities will include working closely with members of the backend team and Integrations team to develop features together. Engineers at ClickUp are also responsible for the quality of their own code, so you will work with a QA counterpart to ensure all edge cases are tested. We’re scaling quickly, so we’re recruiting teammates who share our core values, know how to get sh\*t done, and add to our very driven culture. You should be proficient in using one or more of the modern JavaScript frameworks (Angular//Vue/etc.) and have a strong understanding of building reusable components and developing for performance.

**The Role:**

*   Build features in Angular 2+ while collaborating with designers, engineers, and product
*   Architect efficient and reusable front-end code that drive the ClickUp user experience
*   Manage individual project priorities, deadlines and deliverables
*   Identify and resolve performance and scalability issues
*   Build and maintain unit and integration tests
*   Fixing bugs fast and finding robust solutions to tackle hard problems
*   Follow established practices for maintaining state inside ClickUp

**Qualifications:**

*   5+ years working with JavaScript and one or more modern frameworks **(Angular 2+ required)**
*   Experience with Redux style state management Ngrs, Typescript, and RxJs
*   HTML/CSS experience, including concepts like layout, specificity, cross browser compatibility, and accessibility
*   A strong self-starter, operationally-focused; a problem-solver
*   Excellent interpersonal, written, and oral communication skills
*   You’ve mentored teammates on new ways to deepen their technical craft  

Unsure if you meet all the qualifications of this job description but are deeply excited about the role? We hire based on ambition, grit, and a passion for improving the way people work. If you think ClickUp is the company for you, we encourage you to apply!

At ClickUp, we assess every candidate based on the potential impact they can have. We hire the best people for the job and support each person’s journey to build their boldest career.   _ClickUp is an Equal Opportunity Employer, and qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin._

_ClickUp collects and processes personal data in accordance with applicable data protection laws._

*   _If you are a European Job Applicant, see our privacy policy for further details._
*   _If you are a Philippine Job Applicant, see our_ _privacy policy_ _and our_ _Philippine Data Privacy Notice_ _for further details._

_Please note we are unable to sponsor or take over sponsorship of an employment visa for roles outside of engineering and product at this time. Sponsorship for engineering and product roles is not guaranteed, but is instead based on the business needs for that specific role at that time. Please reach out to the recruiter with any questions._

ClickUp Talent Acquisition will only initiate contact via an **@clickup.com** email or through our official careers portal on clickup.com. We will never request fees, payments, or sensitive personal information. Please disregard any offers received outside these channels and report them to support@clickup.com.

Frontend Engineer

We are looking for a passionate, results-oriented, and ready-to-learn engineer to develop superior product solutions within our fast-growing business. Are you adaptable, driven, and friendly? Do you thrive in a fast-paced work environment where collaboration is a must? If the answer is yes, you’re a Panda, and we want you to join our team.

You’ll join one of PandaDoc’s engineering tracks - **Customer Value track.** Customer Value track designs and delivers **complete end-to-end solutions** in our Product, so we can unlock new markets and **bring new happy customers to PandaDoc!** Our main goal is to bring new MRR by expanding product-market fit from the Sales team to the Revenue team use cases.  

In our Track, we care about our customers and we strive to help them succeed in their business.

In this role, you will:

*   Collaborate with teammates and write new code that meets product requirements;
*   Maintain existing well-formulated code and library components;
*   Review, maintain, and refactor existing code to meet the requirements for improved or new features;
*   Participate in the full application (feature) lifecycle from concept to release;
*   Collaborate with teams to understand product vision and follow requirements

Our stack:

*   JavaScript;
*   Event Sourcing;
*   React;
*   Redux;
*   Redux-saga;
*   Sass/styled-components;
*   Webpack;
*   Jest/enzyme;
*   Playwright.

About you:

*   At least 5+ years of development experience with JS;
*   Strong understanding and experience in HTML and CSS;
*   Strong experience with React/Redux;
*   Experience in designing the application architecture, knowing the patterns and best practices, understanding SOLID and DDD / Clean architecture;
*   Experience in creating and implementing unit, integration, and end-to-end tests;
*   Experience in application performance management and code analysis;
*   Proactive problem-solver, willing to grow autonomous worker;
*   Passion for new technologies and ready to lead engineering initiatives to help the company reach its goals;
*   Comfortable with understanding/learning backend concepts;
*   Communicate effectively in English, both spoken and written.

**Company Overview:** 

PandaDoc empowers more than 40,000 growing organizations to thrive by taking the work out of document workflow. PandaDoc provides an all-in-one document workflow automation platform that helps fast scaling teams accelerate the ability to create, manage, and sign digital documents including proposals, quotes, contracts, and more.  For more information, please visit https://www.pandadoc.com.

**Company Culture:** 

We're known for our work-life balance, kind co-workers, & creative virtual team-bonding events. And although our Pandas are located across the globe, we stay connected with the help of technology and ensure that everyone on our team feels, well, like a team.

Pandas work best when they're happy. We retain our talent by upholding our values of integrity & transparency, and selling a product that changes the lives of our customers. 

Check out our LinkedIn to learn more.

**Benefits:**

*   An honest, open culture that emphasizes feedback and promotes professional and personal development
*   An opportunity to work from anywhere — our team is distributed worldwide, from Lisbon to Manila, from Florida to California
*   6 self care days
*   A competitive salary
*   And much more!

**PandaDoc is an Equal Opportunity Employer.** We are committed to equal treatment of all employees without regard to race, national origin, religion, gender, age, sexual orientation, veteran status, physical or mental disability or other basis protected by law. 

**EXTERNAL RECRUITERSApproval Requirement**

The use of external recruiters/staffing agencies requires prior approval from our HR Team. The HR Team at PandaDoc requests that external recruiters/staffing agencies not to contact PandaDoc employees directly in an attempt to present candidates. Complying with this request will be a factor in determining future professional relationships with PandaDoc.

Senior Frontend Engineer, Customer Value Track

Hi! 👋 I'm Fedir, Engineering Manager for the Team Supply at WeTravel. I joined WeTravel to help build the future of group travel, starting with how we connect organizers and suppliers at scale. Our team is leading WeTravel’s evolution from a transactional product into a connected supplier network, a shift that will power our next phase of growth. We’re still a small but mighty team: one frontend engineer, one backend engineer, one full-stack engineer, and an automation QA. We’re now seeking another senior product engineer to help us evolve into a comprehensive, high-performing, and cross-functional unit. This role isn’t about tickets and features, it’s about product ownership and engineering leadership. You’ll collaborate closely with product and design, shape architecture, run discovery with real users, and lead critical projects from idea to production. Recent initiatives include launching the Supplier Hub (our first discovery tool to connect verified suppliers with organizers), building network-aware coordination features like Rooming Lists, and scaling our payment infrastructure. WeTravel is becoming the operating system for the multi-day travel industry, used by organizers everywhere from Patagonia to Bali to manage trips, collect payments, book vendors, and now, build trusted supplier relationships. We’re solving meaningful challenges: designing fault-tolerant systems for cross-border payments, building intuitive UX for complex workflows, and architecting the foundation for platform network effects. If you're excited by ownership, impact, and joining a team that values speed, curiosity, and technical depth, we’d love to talk. **How We Work** At WeTravel, our Team Supply combines high product ownership with full-stack engineering excellence. As a Sr. Product Engineer, you'll be a product engineer building systems end-to-end - from participating in customer interviews to monitoring production systems. We believe in cross-functional collaboration where engineers are involved from the very beginning of the product lifecycle. You'll work closely with product teams, participate in design discussions, and help shape solutions based on real user problems and technical constraints. Our full-stack approach means you'll contribute across frontend (TypeScript/React) and backend (Ruby on Rails) as needed for each feature. We value engineers who think in systems, care about long-term scalability, and take full ownership of the solutions they build. This means more than just writing code; it’s about ensuring the things you ship are reliable, maintainable, and impactful in production. Our team works with a high degree of autonomy and shared responsibility. We don’t see speed and quality as a trade-off. Instead, we look for engineers who embed quality into their work, using smart patterns, thoughtful reviews, and effective tooling to move quickly without compromising quality. **What You’ll Do**

*   Drive features end-to-end: from user interviews and product design to deployment and monitoring in production.
*   Write high-quality, maintainable code across both frontend (TypeScript/React) and backend (Ruby on Rails).
*   Lead technical decomposition and architecture decisions for complex features.
*   Collaborate with product teams to shape solutions based on user needs and technical constraints.
*   Participate in on-call rotation and production support responsibilities.
*   Mentor teammates and contribute to engineering excellence across the team.

**You Should Apply If You**

*   Have 7+ years of full-stack engineering experience with strong product ownership mindset
*   Are proficient in TypeScript and React for frontend development
*   Have backend experience with Ruby on Rails, or proficiency in Python/Go/.NET with ability to learn Ruby
*   Have experience building distributed systems with microservices and event-driven architecture
*   Demonstrate strong systems thinking and can design for scalability
*   Have experience with production systems, monitoring, and on-call responsibilities
*   Have excellent communication skills and experience working in multicultural, distributed teams
*   Take a pragmatic approach to using AI tools to improve productivity
*   Have experience leading projects and mentoring other engineers

**You Might Not Be The Right Fit If You**

*   Prefer to work in isolation rather than collaborating closely with product teams
*   Are uncomfortable with end-to-end responsibility from conception to production monitoring
*   Don't enjoy learning new technologies or adapting to different tech stacks
*   Are not interested in understanding user problems and business context
*   Prefer purely technical roles without product ownership responsibilities
*   Are uncomfortable with the ambiguity that comes with building new products in a growing team

**Why join us?**

*   Make real impact: you’ll help build the operating system for the multi-day group travel industry, empowering thousands of organizers and millions of travelers worldwide.
*   Solve meaningful technical challenges at scale, from designing robust systems to improving real-time user experiences in a complex domain.
*   Be part of building the best engineering team: you’ll help shape culture, mentor others, and contribute to high standards of excellence and collaboration.
*   Enjoy flexibility and balance, with competitive compensation, generous PTO, remote-friendly work culture, and annual company offsites (our last one was in Italy 🌊).

**Benefits**

*   Attractive compensation
*   Full-time - Fixed Term Contract (as International Contractor).
*   Generous "Time to Recharge" policy — enjoy unlimited paid time off to rest, recharge, and show up as your best self.
*   Amsterdam Program – visit us in Amsterdam (HQ) for 2-4 weeks every year, staying in one of our WeTravel apartments.
*   Work remotely for a maximum of 4 weeks per calendar year.
*   Annual team off-site (often somewhere sunny 🌊).
*   Extensive paid family leave.
*   Three paid volunteer days per year — take time to give back to causes you care about, on us.
*   2-week cross-functional onboarding program.
*   Cutting-edge equipment and tools to set you up for success. Coverage for certain work-from-home (WFH) equipment.
*   Cambly for colleagues for whom English is not their first language.

Ready to build something meaningful? Apply now. **About WeTravel** Founded in 2016, WeTravel aims to be the Operating System of any multi-day and group tour operator. Travel gives people new experiences and brings them together, sometimes in life-changing ways. That’s especially the case for _group travel and multi-day travel_ where the trip participants (travellers) get to really immerse themselves. Passionate travel organizers make this magic happen and WeTravel is here to support those travel companies. We help them publish their trip offerings, generate leads and follow through to convert them to bookings, process payments around the world, pay suppliers/vendors, and digitise their operations. This helps multi-day travel organizers get more bookings, save time, and save money. We are a global, diverse, fun team with high ambitions but no ego. Our team is driven to continuously improve our technology; ensuring that our clients always have the best possible solutions at their fingertips. We have offices in San Francisco, Amsterdam, Boston, Sydney, and Baku. Equal Opportunities WeTravel is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We welcome applicants from all backgrounds, experiences, and perspectives. If you're excited about this opportunity and believe you're a good fit, we encourage you to apply and join us in transforming the travel industry!

Full Stack Engineer

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TEKsystems

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