Career Renew is recruiting for one of its clients a  Senior Frontend Engineer - Crypto - this is a fully remote role for US/EU candidates.  

We’re hiring an engineer to help us drive the user-facing side of our platform. This isn’t a narrow frontend role: you’ll be building web and mobile apps, refining SDKs, and designing interfaces that feel fast, intuitive, and trustworthy. You’ll move fluidly between polished user experiences and the developer tools that make them possible. We’re looking for someone with deep expertise in modern frameworks and cross-platform development, paired with strong UX instincts and a track record in fintech. You understand the craft of building business-grade software: noticing the details, moving quickly, and delivering with rigor. In this role, you’ll own features end to end, turning complex requirements into tools that make financial workflows effortless for developers, admins, and end users. Speed matters, but never at the expense of security, clean architecture, reliable performance, and clear docs.

**Preferred experienceResponsibilities**

*   Take full ownership of features, from idea to launch to iteration.
    
*   Build web and mobile apps for our Wallets-as-a-Service platform.
    
*   Develop SDKs and tools that make integrations simple.
    
*   Bring fintech-grade UX to blockchain wallets.
    
*   Design for clean architecture, speed, and security.
    
*   Work with product and design to shape and ship features fast.
    
*   Write clear docs, review code, and uphold high standards.
    

**Requirements**

*   8+ years of frontend engineering, with fullstack experience.
    
*   Strong in TypeScript and modern frameworks (React Native, etc.).
    
*   Skilled in mobile and cross-platform development.
    
*   Hands-on with WebAuthn, passkeys, and secure authentication flows.
    
*   Proven record of shipping user-facing products in fintech or onchain.
    
*   Strong sense of UX, detail-oriented, and committed to reliable code.
    
*   Clear communicator who works well in fast-moving, collaborative teams.
    

Compensation & Package

*   Title: Senior Frontend Engineer.
    
*   Salary: $160,000-220,000 per year (full-time).
    
*   Equity: 100-200 stock options vested over 4 years.
    
*   Benefits: Healthcare, 401K, and travel expenses.
    
*   Location: United States (remote-first, office optional).
    
*   Equipment: MacBook Pro + essentials.

Senior Frontend Engineer - Crypto

*   **Role**: Full Stack Developer (Remote)
*   **Location**: Remote (US, UK, CA, IE, AU, NZ)
*   **Pay**: Competitive monthly compensation up to $10,000, based on role and performance

We’re looking for detail-oriented professionals to support a variety of content and AI-related evaluation tasks. This role involves reviewing written material, analysing responses, and helping enhance the quality, accuracy, and clarity of AI-generated output. Work is task-based, fully remote, and flexible, allowing you to choose your hours.

**What You’ll Do:**

*   Review written responses for accuracy, clarity, structure, and relevance
*   Evaluate AI-generated content and identify areas for improvement
*   Follow project-specific guidelines to ensure consistent quality
*   Provide structured feedback and written assessments
*   Work on multiple task types depending on project needs

**What Makes You a Good Fit:**

*   Strong written communication and analytical ability
*   Ability to assess content for clarity, logic, and coherence
*   Comfortable reviewing and improving written responses
*   High attention to detail and the ability to follow guidelines
*   Able to work independently and meet quality standards

**Why This Role:**

*   Remote, flexible schedule
*   Project-based assignments
*   Opportunity to contribute to improving next-generation AI systems
*   Workload based on performance and project availability

**Apply today to join our team!**

Full Stack Developer (Remote)

**About Us**

TL;DR: We’re a SaaS platform powering global events and conferences.

Jomablue is a leading player in the events industry. But we're not just about delivering top-notch SaaS and onsite solutions for event professionals; we're also about building careers and fostering growth. Our culture thrives on innovation, collaboration, and the relentless pursuit of excellence.

**The Role**

TL;DR: Full-stack engineer working across Laravel, front-end frameworks, and AWS to build high-quality product features.

The Senior Laravel Full Stack Developer plays a key role in delivering high-quality product enhancements across our Laravel backend and front-end stack.

This role will contribute to new feature development, improve platform performance, and enhance our engineering practices. You’ll work closely with developers and product leads to refine architecture, improve tooling, uplift testing, and ensure a consistent, modern codebase.

You will thrive in this role if you enjoy autonomy, value high-quality engineering, and love solving complex technical problems through thoughtful, maintainable code.

You must be motivated and passionate about great service. Within a small team, you understand that working closely with others and pitching in when necessary helps our team be stronger and reach our goals.

**When and Where**

This is a full-time remote role.

**Your Duties**

TL;DR: Build new features, improve existing systems, and contribute to engineering best practice.

*   Write clean, maintainable, and scalable code across both backend (Laravel/PHP) and front-end frameworks (React, Vue or Angular).
*   Collaborate with product leads to scope, design, and deliver new functionality.
*   Maintain and enhance existing features to improve overall performance and user experience.
*   Contribute to architectural decisions and technical discussions that shape the product.
*   Build and refine CI/CD workflows, automated testing suites, and deployment processes.
*   Implement and champion engineering best practices, coding standards, and security guidelines.
*   Participate in code reviews, pair programming sessions, and team ceremonies.
*   Diagnose and resolve complex technical issues across the stack.
*   Support continuous improvement by suggesting new tools, patterns, or processes.

**Skills and Experience**

While we list some skills and experience items below, we are focused on finding the right person who wants to learn.

**Essential:**

*   4+ years’ experience with Laravel
*   Experience with a front-end framework (React, Vue, or Angular)
*   Strong knowledge of AWS
*   Experience with Docker and CI/CD
*   Exposure to automated testing and either TDD or BDD
*   Strong problem-solving skills and high attention to detail
*   Comfortable working autonomously in a small, collaborative team
*   Full working rights in Australia

**Desirable:**

*   Experience with React Native
*   Experience with Serverless
*   Interest in continuous improvement and best engineering practices
*   You have experienced taking your own side project from an idea to paying customer

**The Right Fit**

We believe strongly in searching for people that are the right cultural fit for our team. Our competencies are

**Communication Excellence** - Effective communication ensures clarity, builds relationships and drives alignment across teams and stakeholders.

**Collaboration & Teamwork** - Collaboration is about working cohesively towards shared goals, valuing diverse perspectives and fostering a sense of team spirit.

**Customer Focus** - A customer focused mindset ensures that we anticipate and meet customer needs, creating positive experiences and driving loyalty.

**Problem Solving & Decision Making** - Strong problem-solving involves analysing situations, identifying solutions and making sound decisions, often under pressure.

**Dynamic Adaptability** - The ability to quickly adjust to changing circumstances, technologies and requirements while maintaining efficiency and effectiveness.

**What We Offer**

TL;DR: Flexibility, autonomy, high compensation, career growth, and wellbeing support.

*   A commitment to your health and wellbeing, including subsidised access to ClassPass for fitness and wellness activities.
*   A dynamic, inclusive workplace where diversity of thought is valued and your development is actively supported through mentorship and feedback.
*   Competitive compensation and benefits, reviewed annually to ensure alignment with industry benchmarks and your career progression.
*   Dedicated leave days and financial support for approved external training, empowering you to pursue professional development.
*   Regular ‘Best Practice Workshops’ and knowledge-sharing sessions that promote collaboration and continuous learning.
*   A flexible hybrid work model, balancing in-office collaboration with remote work to enhance productivity and work-life balance.
*   A strong commitment to diversity, equity, and inclusion, fostering a workplace where everyone feels safe, respected, and empowered.
*   Officially certified as a Great Place to Work, recognising our supportive, high-trust culture.

Senior Laravel Full Stack Developer

*   **Role**: Frontend Engineer (Remote)
*   **Location**: Remote (US, UK, CA, IE, AU, NZ)
*   **Pay**: Competitive monthly compensation up to $10,000, based on role and performance

We’re looking for detail-oriented professionals to support a variety of content and AI-related evaluation tasks. This role involves reviewing written material, analysing responses, and helping enhance the quality, accuracy, and clarity of AI-generated output. Work is task-based, fully remote, and flexible, allowing you to choose your hours.

**What You’ll Do:**

*   Review written responses for accuracy, clarity, structure, and relevance
*   Evaluate AI-generated content and identify areas for improvement
*   Follow project-specific guidelines to ensure consistent quality
*   Provide structured feedback and written assessments
*   Work on multiple task types depending on project needs

**What Makes You a Good Fit:**

*   Strong written communication and analytical ability
*   Ability to assess content for clarity, logic, and coherence
*   Comfortable reviewing and improving written responses
*   High attention to detail and the ability to follow guidelines
*   Able to work independently and meet quality standards

**Why This Role:**

*   Remote, flexible schedule
*   Project-based assignments
*   Opportunity to contribute to improving next-generation AI systems
*   Workload based on performance and project availability

**Apply today to join our team!**

Frontend Engineer (Remote)

**🚀 ¡Seguimos buscando talento…y nos encantaría que te unieras a nuestro equipo!**

Para que nos conozcas algo mejor, UST es una multinacional norteamericana certificada como Top Employer y Great Place to Work con más de 35.000 empleados a nivel global y con presencia en más de 30 países. Somos líderes en servicios de tecnología digital y proporcionamos soluciones tecnológicas de gran alcance a grandes compañías.

🔎 **¿Qué buscamos?**

Estamos buscando un Javascript developer**,** con experiencia profesional igual o superior a 3 años, para colaborar en diversos proyectos de nuestro cliente, líder en el sector de la comunicación multimedia en España.

**Horario: L-J de 9 a 18h, V de 8 a 15h.Colaboración 100% remota, desde cualquier provincia de España.**

⚙ **Funciones y responsabilidades:**

Diseñar y desarrollar soluciones complejas en JavaScript orientadas a la ejecución asíncrona.

Optimizar la gestión de promesas, callbacks y flujos asíncronos para maximizar el rendimiento.

Colaborar con equipos de arquitectura, QA y producto para asegurar calidad y escalabilidad.

💡 **Requisitos mínimos:**

*   +3 años de experiencia en desarrollo JavaScript (ES6+).
*   Experiencia en Node.js y entornos backend.
*   Dominio avanzado de modelos asíncronos, promesas, async/await, event loop y control de concurrencia.
*   Conocimiento de optimización de rendimiento y gestión de memoria.
*   Uso de patrones de diseño y principios SOLID.
*   Experiencia en integración con APIs y servicios externos.
*   Conocimientos GCP.
*   Uso de New Relic.
*   Profesional con iniciativa; con capacidad para liderar proyectos y tomar decisiones técnicas estratégicas.

🎩 **Requisitos Deseados:**

*   Experiencia en frameworks modernos (React, Vue, Angular), PHP
*   Conocimientos básicos de Didomi.
*   Clean Code SonarQube
*   Persona con autonomía, iniciativa y muy efectiva de cara a la resolución eficiente de problemas.
*   Habilidades de liderazgo, comunicación y trabajo en equipo.
*   Se valorará positivamente tener experiencia en el sector media.

💰 **¿Qué te ofrecemos?**

\-✈️ 23 días laborables de vacaciones y el 24 y 31 de diciembre.

\-❤️ Numerosos beneficios sociales (seguro médico, ayuda al teletrabajo, seguro de vida y seguro de accidentes).

\-🍴 Programa de Retribución Flexible (tarjeta comida, cheques guardería, tarjeta transporte, clases de inglés online, seguro médico para tu familia…).

\-🎓 Acceso gratuito a varias plataformas de formación.

\-🚀 Estabilidad y carrera profesional.

\-🚶 Tenemos implantado un plan de compensación de referencias internas.

\-🔗 Posibilidad de elección de percibir tu salario en 12 o 14 pagas.

\-🏡 Medidas de conciliación (horario flexible, teletrabajo, asesoramiento de especialistas (psicólogo, nutricionista, entrenador personal), jornada intensiva los viernes y en verano según proyecto).

\-🎁 Plataforma UST Club descuentos y descuentos en gimnasios.

**📧 Si quieres conocer más, no dudes en inscribirte y nos pondremos en contacto contigo para ampliarte información de la posición ¡Te estamos esperando!En UST nos comprometemos con la igualdad de oportunidades en nuestros procesos de selección y no realizamos ningún tipo de discriminación por razón de raza, género, discapacidad, edad, religión, orientación sexual o nacionalidad. Estamos comprometidos con la discapacidad y apostamos por la incorporación de personas con certificado de discapacidad.**

Javascript Vanilla developer (100% remoto desde España)

Itconsulting, società di consulenza informatica, cerca **MOBILE DEVELOPER** con almeno 1 anno di esperienza professionale nello sviluppo di applicazioni native Android o iOS.

Il lavoro sarà svolto in **full remote**.

**REQUISITI**

*   Esperienza nello sviluppo di applicazioni mobile native Android e/o iOS

Per superare la fase di screening è necessaria la residenza sul territorio italiano e la conoscenza della lingua italiana.

La posizione non prevede collaborazioni a partita iva.

**COSA OFFRIAMO**

*   Contratto a tempo indeterminato
*   **RAL variabile a seconda dell'esperienza:**
*   **Profili Junior (1-2 anni di esperienza): RAL fino a €28.000**
*   **Profili Middle (3-4 anni di esperienza): RAL fino a €32.000**
*   **Profili Senior (5+ anni di esperienza): RAL fino a €35.000**
*   Ticket restaurant
*   Welfare aziendale
*   Assicurazione sanitaria

_Ricordati di inviare la tua candidatura, specificando l’autorizzazione al trattamento dei dati personali contenuti nel Curriculum Vitae ai sensi del D. Lgs. 196/2003 e all’art. 13 GDPR (Regolamento UE 2016/679) ai fini della ricerca e selezione del personale!_

Mobile Developer

**ESIS S.r.l.,** società di Consulenza Informatica e Sviluppo Software attiva dal 1989, ricerca:

**Front End DeveloperATTIVITÀ**

Il candidato selezionato sarà coinvolto nello sviluppo e nell’evoluzione di applicazioni web front-end, collaborando con il team per realizzare interfacce pulite, efficienti e scalabili; contribuire al ciclo di vita del software seguendo buone pratiche e standard condivisi; supportare il deployment delle applicazioni su piattaforme containerizzate.

**SEDE**

Full remote.

**REQUISITI**

*   Diploma/Laurea in Ingegneria Informatica o settore affine;
*   Aver maturato almeno 4 anni di esperienza di lavoro con Angular;
*   Aver maturato esperienza con ambienti containerizzati, preferibilmente Openshift;
*   Gradita conoscenza di React;
*   Buona conoscenza della lingua inglese;
*   Disponibilità immediata o a breve termine.

**COMPLETANO IL PROFILO**

*   Autonomia operativa e capacità di problem solving;
*   Attitudine al **team working** e alla gestione dei contatti con il cliente;
*   Flessibilità e capacità di adattamento.

**OFFERTA**

Offriamo contratti di assunzione (Tempo Determinato e Indeterminato) e una retribuzione commisurata alle esperienze e alle competenze del Candidato e in linea con il mercato del lavoro.

Non escludiamo la collaborazione con liberi professionisti dotati di Partita IVA.

**CANDIDATURA**

Cogliete l’opportunità e candidatevi a quest’annuncio inviando un’e-mail a **hr.na@esis-italia.com**, allegando il vostro CV completo e aggiornato.

**PRIVACY**

I dati personali saranno trattati nella massima riservatezza, ai sensi del D. Lgs. 196/2003 e successive modifiche, nonché in conformità alle disposizioni del Regolamento UE 2016/679 (GDPR).

**PARI OPPORTUNITÀ**

Il presente annuncio è rivolto a candidati di entrambi i sessi, ai sensi delle Leggi 903/77 e 125/91, e a persone di tutte le età e nazionalità, ai sensi dei D. Lgs. 215/03 e 216/03.

**CHI SIAMO**

Nata come software house, **ESIS S.r.l.** si è affermata negli anni come un’affidabile società di consulenza IT a 360°, offrendo soluzioni innovative e di alta qualità nei seguenti ambiti:

*   Realizzazione di soluzioni di system integration;
*   Sviluppo, customizzazione e gestione di prodotti software;
*   Erogazione di servizi di consulenza specialistica;
*   Sviluppo di web e mobile application;
*   Formazione a catalogo e on-demand.

**LINK**

Per maggiori informazioni, vi invitiamo a visitare:

· Il nostro Sito Web:

www.esis-italia.com

· La nostra Pagina Aziendale su LinkedIn:

*   **https://www.linkedin.com/company/esis-consulenza-informatica-bologna-milano-roma**

Front End Developer

**🚀 Desarrollador/a Full Stack Senior | Keldai**

En Keldai desarrollamos soluciones tecnológicas a medida para empresas de diversos sectores. Buscamos un/a Desarrollador/a Full Stack Senior que quiera formar parte de un equipo técnico donde la calidad del código y la innovación son prioridad.

**_¿Qué harás?_**

Desarrollar aplicaciones web y móviles end-to-end con React/Next.js, Node.js y bases de datos relacionales

Colaborar en proyectos con equipos distribuidos en múltiples entornos (dev, pre-prod, producción)

Implementar integraciones con APIs de terceros y servicios cloud (AWS)

Participar en decisiones de arquitectura y mejora continua de nuestros productos

**Buscamos a alguien con:**

Mínimo 5 años de experiencia en desarrollo full stack

Dominio sólido de JavaScript/TypeScript, React, Node.js, Java

Experiencia con bases de datos SQL (PostgreSQL/MySQL)

Capacidad de trabajo autónomo y resolución de problemas complejos

Conocimientos en AWS, Docker, y APIs REST

**Valoramos especialmente:**

Experiencia con herramientas de desarrollo con IA (Cursor, Claude Code)

Conocimiento en React Native/Expo para desarrollo móvil

Experiencia previa en soluciones B2B o verticales especializadas

**¿Qué ofrecemos?**

Proyectos variados y desafiantes con clientes de diferentes sectores

Trabajo en equipo colaborativo y ambiente técnico de alto nivel

Flexibilidad y autonomía en la organización del trabajo

Oportunidad de trabajar con tecnologías modernas y estar a la vanguardia

¿Te interesa? **_Envíanos tu CV a curriculums@keldai.es y cuéntanos sobre tu experiencia con desarrollo asistido por IA._**

Desarrollador/a Full Stack Senior

**Senior Full Stack Developer (React + Node.js) – Remote, Contract B2B**

We’re looking for a **Senior Full Stack Developer** to join a fast-growing startup reinventing how people experience video entertainment. You’ll work on cutting-edge, mobile-first applications at the intersection of AI, video streaming, and high-scale user experiences.

**What you’ll do:**

*   Teaming up with the founding crew to help shape our product direction.
*   Building and maintaining high-quality, performant React-based web and mobile-first UIs.
*   Designing and building Node.js APIs and backend microservices.
*   Connecting the frontend to complex video and data pipelines.
*   Ensuring seamless integration of 9:16 mobile-first video experiences.
*   Building features end-to-end: idea → design → development → testing → launch.
*   Writing clean, modular, testable, and maintainable code across the stack.
*   Collaborating with Product, Design, and AI engineers to push the boundaries of short-form storytelling.
*   Operating with autonomy and ownership, making technical decisions that directly impact millions of users.

**What we’re looking for:**

*   5+ years of professional fullstack development experience.
*   3+ years of hands-on experience with React (Hooks, Context, state management, performance optimization).
*   3+ years of experience building Node.js backend systems (Express, NestJS, or similar frameworks).
*   Strong understanding of JavaScript (ES6+) and TypeScript.
*   Experience designing and building APIs (REST and/or GraphQL).
*   Solid experience with relational (Postgres/MySQL) and NoSQL databases (MongoDB, DynamoDB, etc.).
*   Experience deploying production apps in AWS / GCP / Azure.
*   Familiarity with CI/CD, Docker, and scalable system design.
*   Excellent communication and collaboration skills.
*   Background in developing B2B/SMB web platforms.
*   Highly independent, accountable, and a team player with a startup mindset.

**Nice to Have**

*   Experience with **React Native** (or another mobile framework).
*   Background in **video streaming, content platforms, or social apps**.
*   Familiarity with **AI/ML integrations** (LLMs, prompt engineering, agents).
*   Experience with real-time features (WebSockets, pub/sub systems).
*   Prior work at a **high-scale consumer product** (millions of users).

Full Stack Developer

GE HealthCare is accelerating its transformation through a series of strategic “AI Big Bets” in Commercial excellence, Logistics optimization, Inventory management, and Manufacturing innovation. The Enterprise AI team, part of the Chief Data and Analytics Office, is at the forefront of delivering robust, enterprise-grade AI and ML solutions that drive measurable business impact at scale.

As the **Staff AI Application Engineer**, you will be at the forefront of **developing and delivering innovative GenAI and Agentic AI solutions that generate actionable business insights and transform key areas within GE HealthCare, including Finance, Commercial, Supply Chain, Quality, Operational Excellence and Lean, and Manufacturing.** We are seeking a highly skilled and motivated AI Application Engineer to join our dynamic team.

You will play a pivotal role in shaping and executing our AI strategy. You’ll collaborate across a unified, cross-functional delivery organization - partnering with experts in **Data Engineering, ML Engineering, Analytics, and GenAI development - to solve complex business challenges and deliver scalable solutions.Core Responsibilities:**

*   **Design and Develop**: AI-powered applications, integrating machine learning and generative models into enterprise-grade software products and internal tools. Owning the full software development lifecycle (SDLC), including unit, integration, and end-to-end testing.
*   **Frontend:** Developing modern, intuitive interfaces for AI applications (React/Next.js, TypeScript, or equivalent) with a strong focus on usability, accessibility, and AI explainability.
*   **Backend**: Implementing scalable and secure back-end services (FastAPI, Flask, or Node.js) to expose AI capabilities (LLMs, RAG pipelines, AI agents) through standardized APIs.
*   **Translating data science prototypes and GenAI models** (LLMs, diffusion models, transformers) into scalable applications or services with intuitive user interfaces and reliable back-end infrastructure.
*   **Collaborating with Insight Leaders and business stakeholders** on requirements gathering, project documentation, and development planning.
*   **Partnering with MLOps and GenAIOps teams** to deploy, monitor, and continuously improve AI applications within standardized CI/CD pipelines.
*   **Designing and implementing integrations** using REST, GraphQL, and gRPC; work with cloud-based AI APIs (Azure, AWS, GCP) and enterprise data sources.
*   **Integrating cloud-native AI services** (AWS Bedrock, Azure OpenAI) and open-source frameworks (LangChain, LangGraph) into enterprise environments.
*   **Monitoring application performance and user adoption,** iterating on models and workflows to enhance usability and business impact.
*   **Optimizing application performance,** infrastructure efficiency, and LLM utilization.
*   Documenting architectures, APIs, and deployment processes to ensure transparency, reusability, and maintainability.

**Requirements**

*   Education: Master’s or PhD degree (or equivalent experience) in Computer Science, Software Engineering, Artificial Intelligence, or related STEM field.
*   Experience: hands-on experience developing and deploying AI-powered or data-driven applications in enterprise environments.
*   Advanced proficiency in Python, plus strong working knowledge of TypeScript/JavaScript and at least one modern web framework (React, Next.js, FastAPI, Flask).
*   Proven track record implementing end-to-end AI systems, integrating ML/LLM models into scalable microservices or enterprise applications.
*   Strong experience in ML/GenAI frameworks (TensorFlow, PyTorch, LangChain, AutoGen, Semantic Kernel) and cloud-native AI platforms (AWS Bedrock, Azure OpenAI).
*   Working knowledge of cloud environments (AWS, Azure, or GCP) and containerization tools (Docker).
*   Deep experience with Docker, Kubernetes, and CI/CD automation for AI workloads.
*   Demonstrated experience with RAG pipelines, vector databases, and document retrieval frameworks.
*   Solid understanding of LLMOps / GenAIOps integration patterns, model evaluation, and prompt optimization workflows.
*   Strong collaboration skills and the ability to communicate effectively within cross-functional teams.
*   Ability to mentor junior engineers, perform code reviews, and contribute to architectural decisions.
*   Strong problem-solving, debugging, and analytical skills, with clear and persuasive communication to technical and business audiences.

**Additional InformationRelocation Assistance Provided:** Yes

Senior Frontend Engineer - Crypto

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