A rapidly expanding tech company, at the forefront of innovation, is looking for a talented Senior Fullstack Engineer. This organisation is known for developing cutting-edge platforms that redefine industry standards and empower businesses with advanced technological solutions. The Role

*   Develop and maintain the internal back office platform with a focus on AI enablement.
*   Design, implement, and deploy full-stack features using modern technologies.
*   Collaborate with product managers and other engineers to deliver high-quality software solutions.
*   Mentor and guide junior engineers, fostering a culture of learning and growth.
*   Contribute to architectural decisions and best practices for system scalability and performance.

What You'll Need

*   Proven experience as a Fullstack Engineer, with a strong portfolio of projects.
*   Expertise in modern frontend frameworks (e.g., Vue.js) and backend languages (e.g., Python).
*   Solid understanding of database systems and API design principles.
*   Experience with cloud platforms and CI/CD pipelines is a plus.
*   Ability to write clean, maintainable, and well-tested code.
*   Strong problem-solving skills and a proactive approach to challenges.

What's On Offer

*   Competitive salary and comprehensive benefits package.
*   Fully remote work option with flexible working hours.
*   Opportunities for professional development and career advancement.
*   Private health insurance and a tenure holiday policy.

Apply via Haystack today!

Senior Fullstack Engineer

**Position:** Full-Stack Engineer (JSON Schema Developer)

**Type:** Contract

**Compensation:** $40 - $42/hour

**Location:** Remote

**Commitment:** 10-40 hrs/week

**Role Responsibilities**

*   Review and analyze complex PDF documents to identify relevant data fields for extraction.
*   Design and implement deeply nested JSON schemas from scratch, adhering to data modeling best practices.
*   Define field types, naming conventions, and hierarchical structures to accurately model nested and repeated information.
*   Embed granular validation logic to ensure data integrity, including sum checks and null-testing.
*   Collaborate with API Gateway teams to design, document, and enforce API contracts using JSON Schema standards.
*   Work closely with stakeholders to refine requirements and deliver clear, actionable schema documentation.

**Requirements**

*   Have proven experience designing complex JSON schemas, including objects within arrays and multilevel nesting.
*   Demonstrate strong proficiency in JSON, schema design, and data validation methodologies.
*   Have the ability to interpret raw documents and architect robust information models from scratch.
*   Possess a deep understanding of required vs. optional fields, data types, field descriptions, and validation rules.
*   Have hands-on experience with API Gateway management and defining secure API contracts.

**Application Process**

*   Easy Apply on LinkedIn
*   Check email for next steps
*   Participate in resume evaluation & interview stage

Full-Stack Engineer (JSON Schema Developer) | $42/hr Remote

**Software Engineer .NET (Full Stack) - Remote working – up to £55,000**

We’re looking for an experienced .NET Developer to join a successful digital agency, working across a range of web, application and platform projects for enterprise clients.

You’ll be comfortable working across both backend and front-end technologies, thriving in a collaborative, fast-paced environment, you’ll enjoy working closely with cross-functional teams to deliver high quality digital products.

**The Role**

You’ll be involved throughout the full development lifecycle, from initial concept and architecture through to build, deployment and ongoing…

Projects vary from high-performance websites to complex digital platforms and business systems, so you’ll need to be adaptable and comfortable working across different technologies and environments.

**Key Responsibilities**

*   Design, build and maintain scalable applications using C# and .NET Core
*   Contribute to architecture decisions and technical design
*   Work across cloud environments (Azure and/or AWS)
*   Collaborate with designers and front-end developers to deliver high-quality user experiences
*   Support and improve existing systems
*   Participate in code reviews, testing and continuous improvement
*   Work within agile teams and contribute to DevOps processes

**What We’re Looking For**

*   Strong experience with C# / .NET Core
*   Experience working in a digital agency
*   Solid understanding of front-end technologies (JavaScript/TypeScript, React, Vue or similar)
*   Experience building and consuming APIs
*   Knowledge of cloud platforms (Azure or AWS)
*   Understanding of databases
*   Familiarity with CI/CD, DevOps practices and Git workflows
*   Strong problem-solving skills and attention to detail
*   Familiarity with modern AI-assisted development tools

**Interview process**

1st stage: 30minute culture chat via teams

2nd stage: Technical interview with a Developer

_No sponsorship is being offered for this role_

**Software Engineer .NET (Full Stack) - Remote working – up to £55,000**

Software Engineer

**Position:** Senior Full-Stack Software Engineer

**Type:** Hourly contract

**Compensation:** $20 - $55/hour

**Location:** Remote

**Commitment:** 10-40 hours/week

**Role Responsibilities**

*   Lead the design, development, and deployment of full-stack web applications.
*   Architect scalable, secure, and maintainable systems.
*   Develop frontend applications using React and backend services using Node.js or Python.
*   Mentor engineers and conduct code reviews to maintain high standards.
*   Collaborate with product and design teams to deliver user-focused solutions.
*   Identify and resolve performance, scalability, and reliability issues.
*   Establish and enforce best practices in coding, testing, and documentation.

**Requirements**

*   Strong experience in JavaScript, React, and Node.js development.
*   Strong understanding of RESTful APIs, microservices, and system architecture.
*   Proven ability to build and deploy scalable full-stack applications.
*   Knowledge of security best practices in web development.
*   Strong communication skills for remote collaboration.
*   Experience mentoring or guiding engineering teams.
*   Strong problem-solving skills and attention to detail.

**Application Process (Takes 20 Min)**

*   Easy Apply on LinkedIn
*   Check email for next steps
*   Participate in resume evaluation & interview stage

Full-Stack Software Engineer | $55/hr Remote

**This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Full Stack Engineer in United Kingdom.** This role offers an exciting opportunity to build and scale innovative, global SaaS solutions that power modern workforce and payroll systems. You will work across the full technology stack, contributing to both frontend user experiences and backend infrastructure in a highly distributed environment. Collaborating with product, design, and DevOps teams, you’ll play a key role in delivering secure, scalable, and high-performance applications used worldwide. The position combines technical depth with cross-functional impact, giving you ownership over features from concept to deployment. You’ll tackle complex engineering challenges while continuously improving development practices. This is an ideal role for someone passionate about building robust systems and shaping the future of global work. **Accountabilities**

*   Design, develop, and maintain scalable full stack applications, ensuring seamless integration between frontend and backend systems
*   Build responsive user interfaces using modern frameworks and develop robust server-side APIs and business logic
*   Create reusable, modular components to enhance scalability, maintainability, and performance across the platform
*   Optimize database structures, queries, and interactions to ensure efficiency and reliability
*   Conduct testing, debugging, and troubleshooting to deliver high-quality, production-ready solutions
*   Collaborate with cross-functional teams to align technical development with product and business goals
*   Participate in code reviews and contribute to continuous improvement of development processes and best practices

**Requirements**

*   8+ years of experience in full stack development, with strong expertise in TypeScript and modern web technologies
*   Proficiency in frontend frameworks such as React and backend technologies like Node.js or Express
*   Strong understanding of RESTful APIs, microservices architecture, and asynchronous programming
*   Experience working with relational databases such as PostgreSQL
*   Familiarity with testing frameworks and automated testing methodologies
*   Knowledge of cloud environments and containerization technologies (e.g., Docker, Kubernetes) is a plus
*   Excellent problem-solving skills and ability to work independently in a remote, collaborative environment
*   Strong communication skills with the ability to engage both technical and non-technical stakeholders

**Benefits**

*   Competitive salary package with potential stock grant opportunities
*   Flexible remote work environment with optional access to coworking spaces
*   Comprehensive benefits and perks tailored to your location and employment status
*   Opportunity to work on globally impactful products in a fast-growing SaaS environment
*   Continuous learning and career development opportunities
*   Inclusive, diverse, and collaborative company culture
*   Access to modern tools and technologies to support your work and growth

**How Jobgether Works** We use an **AI-powered matching process** to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? **Data Privacy Notice:** By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Senior Full Stack Engineer

Gigged.AI is an On-demand talent marketplace specialising in the IT and technology sector. We have an opportunity live at the moment looking for a **AI Engineer (Full Stack Python)**

All proposals will be reviewed on the Gigged AI platform. In order to send a proposal please head to app.gigged.ai and create a free talent profile and apply to the role directly

Please ensure your CV is attached to the propo**sal**

Location: UK-based

Duration: 6 months

Start Date: ASAP

Day Rate: £600 (flexibility available dependent on experience)

IR35 Status: Pending final determination (please confirm on proposal if open to both)

**All applicant proposals will be reviewed directly on the Gigged AI platform by the hiring manager.**

In order to send a proposal please follow the below steps:

*   head to www.gigged.ai and create a free talent profile
*   once signed in, follow this link to the project - https://app.gigged.ai/find-a-gig/Jry0K8aDdYa
*   you will now see a 'submit proposal' button
*   please fill this in (intro, relevant experience, and attach CV to this)

**Overview**

We are working towards our net-zero emissions target by 2030, transitioning our global fleet to more sustainable technologies such as electric vehicles, hybrid systems, and Stage V generators.A critical part of this transformation is improving fleet management.

We are looking for an AI Engineer to design and deliver a pilot AI solution that automates fleet diagnostics and enables data-driven decision-making, leveraging modern AI and Large Language Model (LLM) capabilities.

**Ideal Profile**

We are specifically seeking a highly experienced engineer with a strong background in building and delivering enterprise-grade applications (typically 8–10+ years). The ideal candidate will have deep hands-on development experience in either Python or full-stack, understanding of the full application lifecycle, including DevOps practices, CI/CD pipelines, security implementation, testing frameworks, and cloud deployment across platforms such as Azure, AWS, or GCP.

**Responsibilities**

You will lead the end-to-end development of a pilot AI solution, including:

**Discovery & Requirements**

*   Engage with operations, fleet management, and data stakeholders
*   Identify automation opportunities across fleet workflows
*   Define functional and technical requirements

**Data Exploration & Preparation**

*   Identify relevant data sources (telemetry, maintenance records, asset data, operational logs)
*   Extract and transform data using SQL and data pipelines
*   Clean and structure datasets for AI/ML use

**AI Solution Design**

*   Design scalable architecture using Azure and/or AWS
*   Evaluate and integrate LLMs where appropriate
*   Define APIs and services for model interaction

**Prototype Development**

*   Build AI services using Python
*   Develop data pipelines and model workflows
*   Create APIs to integrate with internal systems
*   Deliver a working prototype for fleet condition diagnostics

**Pilot Demonstration**

*   Present the solution to stakeholders
*   Produce technical documentation
*   Provide recommendations for scaling to production

**Key Deliverables**

*   Requirements & Discovery Report
*   Data Inventory and Data Quality Assessment
*   AI Architecture Design (including models, APIs, and cloud services)
*   Fleet Diagnostics AI Prototype
*   Technical Documentation
*   Pilot Demonstration and Recommendations

**Required Skills & Experience**

*   Strong Python development experience, or full-stack development experience
*   SQL for data extraction and transformation
*   Experience with Azure and/or AWS
*   Experience working with Large Language Models (LLMs)
*   API development and system integration experience
*   End-to-end AI/ML solution architecture experience

**Success Criteria**

*   Delivery of a working AI pilot
*   Automated generation of fleet condition insights from available data
*   Scalable architecture validated for future production deployment

Positive stakeholder validation of the solution’s value

AI Engineer (Full Stack Python)

🚨 **Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote**🚨

We're partnering with a well-funded AI startup (stealth for now) that’s building at the intersection of **LLMs and cybersecurity**, and we’re looking to connect with exceptional **Full Stack Engineers** across the EU.

This is an early engineering hire with huge ownership, high autonomy, and the chance to shape a modern product and architecture from day one.

💸 **Salary:** €100,000 – €160,000 (£100-140k)+ very strong equity package

🌍 **Location:** Fully remote across the EU

🛠 **Tech Stack:** React, TypeScript, Python, AI/LLMs

✈️ **Company:** Quarterly offsites with a small, high-performing international team

**Ideal Background**

– B2B SaaS experience and startup mindset

– 6+ years full-stack experience, can build end-to-end features

– Proven REST API development with **Python**

– Strong **React + TypeScript** skills

– Bonus: Production level LLM integration experience

– Work independently in a small, senior team, shaping architecture and performance

If you're interested in joining a cutting-edge AI company and want real impact, autonomy, and technical ownership, feel free to reach out with your CV and notice period.

🚨 **Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote**🚨

Full Stack Engineer (AI Startup)

**About Us**

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**

The Senior Software Developer reports to the CTO and utilises their extensive expertise in Laravel and front-end frameworks (React, Angular, Vue), along with knowledge of AWS, to contribute to the development and maintenance of high-quality code for both front-end and back-end systems. This role is critical in ensuring the delivery of new functionalities, enhancements, and robust software solutions as part of the company’s engineering team.

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 based anywhere in Australia.

**Your Duties**

*   **Collaboration:** Work with development teams and product leads to plan, implement, and deliver new features and improvements.
*   **Software Development:** Develop and maintain high-quality, scalable, and efficient code across both front-end and back-end systems.
*   **Continuous Integration and Deployment:** Contribute to the company's CI/CD workflows, including participation in automated testing processes to ensure the stability and reliability of code deployments.
*   **Engineering Practices:** Uphold and advocate for best practices in software engineering, including compliance with coding standards, security protocols, and quality assurance.
*   **Team Engagement:** Actively participate in daily stand-ups, code reviews, and team discussions to foster a collaborative working environment and share knowledge with team members.
*   **Support:** Provide support to the team in rare cases of high-profile events, urgent system incidents, or critical launches requiring your expertise.
*   **Testing and Validation:** Develop and execute playwright and other test suite tests to validate functionality and ensure that all developed features meet required standards and expectations.
*   **Research and Development:** Contribute to the research and development of new features, frameworks, or other tools that enhance customer and organisational experiences.

**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:**

*   5+ years’ experience with Laravel
*   Experience with a front-end frameworks (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**

*   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 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 Software Developer

**Position:** Software Engineer, New Grad (Zara)

**Type:** Hourly contract

**Compensation:** $180K - $250K/yr

**Location:** Remote

**Commitment:** 10 40 hours/week

**Role Responsibilities**

*   Contribute to the development of fullstack systems and product features.
*   Build backend services and APIs with clean, maintainable code.
*   Develop user-facing interfaces and improve product functionality.
*   Support database design and data modeling for performance and scalability.
*   Collaborate with product and design teams to deliver features.
*   Participate in code reviews, testing, and engineering improvements.
*   Debug issues and help maintain reliable production systems.

**Requirements**

*   Recent graduate in Computer Science or a related field.
*   Strong fundamentals in JavaScript or TypeScript.
*   Familiarity with React and frontend development concepts.
*   Familiarity with Node.js and backend development.
*   Understanding of databases such as PostgreSQL and data modeling basics.
*   Knowledge of APIs and system communication principles.
*   Strong willingness to learn with attention to detail.

**Application Process (Takes 20 Min)**

*   Easy Apply on LinkedIn
*   Check email for next steps
*   Participate in resume evaluation & interview stage

Senior Fullstack Engineer

Job Description

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Haystack

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