10 jobs found

Lead Developer (Full Stack, AI) UK, Remote-first 55k- 65k Remote-first 55k- 65k Rare opportunity to join a high growth team building cutting edge AI products in a fast moving, creative environment. You'll be part of a small, high impact team with the autonomy and pace of a scale up, where decisions are made quickly and your work has real visibility. At the same time, the business benefits from the backing, stability, and support of a larger, well established organisation, giving you the best of both worlds. This is a hands on' Lead role, managing a small team while owning delivery across full stack development, architecture, and deployment. You'll play a key role in shaping how AI is embedded into real, production grade products, not just experimentation. What you'll be doing: Leading 2 developers while staying close to the code Designing, building, and scaling full stack applications Owning system architecture, deployment, and engineering standards Integrating AI features into products using modern APIs and data-driven approaches Improving CI/CD, environments, and overall delivery capability Tech environment - Not set in Stone Frontend: React, Next.js, TypeScript (or similar) Backend: Node.js (Express, NestJS) or Python (FastAPI, Django) (or similar) APIs: REST, GraphQL (or similar) Databases: PostgreSQL, MongoDB (or similar) AI / Data: Experience integrating AI/ML features via APIs (e.g. OpenAI, Anthropic or similar) Exposure to data pipelines, inference workflows, or retrieval-based systems (RAG, vector DBs or similar) Cloud & DevOps: AWS, Azure, or GCP Docker, CI/CD pipelines (GitHub Actions, GitLab CI or similar) Experience deploying and maintaining production systems is essential What they're looking for: Strong full stack engineer with leadership experience Proven track record delivering and deploying real products Comfortable owning deployment and improving engineering standards Clear communicator, able to work across technical and non-technical teams This role isn't for you if: Your AI experience is limited to demos, courses, or side projects without production use You've never deployed or maintained a live system end-to-end You prefer purely frontend or backend work without full stack ownership You're not comfortable taking responsibility for delivery, not just contributing code Communication with non-technical stakeholders isn't something you enjoy Small team, real ownership, exciting vision genuine impact. If you've shipped products, can lead from the front, and want to build something meaningful in the AI space, Apply Now (url removed) No sponsorship available

Job Title: Senior Full Stack Developer (React & C#.NET) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa 650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and C# .NET Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This is an exciting opportunity to work with cloud-native architectures and cutting-edge technologies. If you thrive in a collaborative environment and are eager to make an impact, we want to hear from you! Technical Skills Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with developing dashboards and data models. Architecture: Knowledge of microservices, API design, and event-driven architectures. DevOps/CI/CD: Experience with Azure DevOps, GitLab, GitHub Actions, or similar tools. Cloud Platforms: Proficient in Azure or AWS (Azure preferred). Databases: Strong skills in SQL Server, PostgreSQL, or other relational databases. containerisation: Experience with Docker and Kubernetes. Key Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. Collaboration: Work closely with business stakeholders and domain experts in Risk, Regulatory Reporting, and Finance. Power BI Expertise: utilise your knowledge of Power BI to develop dashboards and analytical reports. CI/CD Implementation: Collaborate with DevSecOps to optimise CI/CD pipelines, ensuring automated testing and deployment. Architecture Contribution: Contribute to event-driven and distributed system designs using technologies like Kafka or Event Hub. Mentorship: Guide junior developers and foster a collaborative atmosphere within a cross-functional agile team. Soft Skills A strong engineering mindset with a relentless curiosity. Excellent analytical and problem-solving abilities. Exceptional communication skills to interact with both technical and non-technical stakeholders. An agile mindset with experience in Scrum/Agile environments. Ability to work independently and lead technical solutions from start to finish. Why Join Us? Work on innovative projects that make a difference in the financial sector. Collaborate with a talented team in a vibrant environment. Enjoy a competitive daily rate and flexible working arrangements. If you are ready to take your career to the next level and contribute to exciting projects, apply now! We can't wait to meet you! Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

Senior GenAI Full Stack Engineer Location: Manchester (Hybrid, 2 days per week in office) Salary: 75,000 to 85,000 + 4,000 Bonus + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and technology consultancy that helps organisations solve complex business challenges through cutting edge technology, AI and data driven solutions. This is an exciting opportunity to join a growing team focused on building next generation GenAI applications and scalable full stack solutions, working on complex client engagements and shaping enterprise level AI solutions. The Role As a Senior GenAI Full Stack Engineer, you will play a key role in designing, building and scaling enterprise grade AI powered applications. You will work across the full development lifecycle from proof of concept through to production deployment, while providing technical leadership across projects. You will lead the development of Generative AI proof of concepts and scale prototypes into production ready solutions. You will design and develop full stack applications across both GenAI and traditional software projects, while influencing architecture decisions and engineering best practices. You will collaborate closely with stakeholders, mentor junior engineers and contribute to shaping the wider GenAI capability within the team. Required Skills and Experience Strong backend development using Python with FastAPI or TypeScript with Node.js or Express Experience designing and building microservices architectures React and TypeScript front end development experience Experience with modern frameworks such as Next.js or Vite Strong experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large Language Models such as OpenAI, Anthropic, Llama or Mistral Experience with Retrieval Augmented Generation, AI agents or similar GenAI architectures Experience working with AWS or Azure in production environments Docker and containerisation experience, Kubernetes desirable Experience building and maintaining CI CD pipelines using GitHub, GitLab or Jenkins Experience contributing to architecture decisions and technical design Eligibility Must be eligible to work in the UK Must be eligible for UK Security Clearance Apply now to learn more.

GenAI Full Stack Engineer Location: Manchester (Hybrid, 2 days per week in office) Salary: 55,000 to 70,000 + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and technology consultancy that helps organisations solve complex business challenges through cutting edge technology, AI and data driven solutions. This is an exciting opportunity to join a growing team focused on building next generation GenAI applications and scalable full stack solutions. The Role As a GenAI Full Stack Engineer, you will play a key role in designing, building and scaling AI powered applications. You will work across the full development lifecycle from proof of concept through to production deployment. You will build Generative AI proof of concepts using modern frameworks and tools and scale prototypes into production ready applications. You will design and develop full stack applications across both GenAI and traditional software projects. Required Skills and Experience Backend development using Python with FastAPI or TypeScript with Node.js or Express Experience building microservices architectures React and TypeScript front end development experience Familiarity with Next.js or Vite Experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large Language Models such as OpenAI, Anthropic, Llama or Mistral Exposure to Retrieval Augmented Generation or AI agents is beneficial Experience with AWS or Azure Docker and containerisation experience, Kubernetes beneficial Experience with CI CD pipelines using GitHub, GitLab or Jenkins Eligibility Must be eligible to work in the UK Must be eligible for UK Security Clearance Apply now to learn more.

GenAI Full Stack Engineer Location: London (Hybrid, 2 days per week in office) Salary: 45,000 to 55,000 + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and technology consultancy that helps organisations solve complex business challenges through cutting edge technology, AI and data driven solutions. This is an exciting opportunity to join a growing team focused on building next generation GenAI applications and scalable full stack solutions. The Role As a GenAI Full Stack Engineer, you will play a key role in designing, building and scaling AI powered applications. You will work across the full development lifecycle from proof of concept through to production deployment. You will build Generative AI proof of concepts using modern frameworks and tools and scale prototypes into production ready applications. You will design and develop full stack applications across both GenAI and traditional software projects. Required Skills and Experience Backend development using Python with FastAPI or TypeScript with Node.js or Express Experience building microservices architectures React and TypeScript front end development experience Familiarity with Next.js or Vite Experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large Language Models such as OpenAI, Anthropic, Llama or Mistral Exposure to Retrieval Augmented Generation or AI agents is beneficial Experience with AWS or Azure Docker and containerisation experience, Kubernetes beneficial Experience with CI CD pipelines using GitHub, GitLab or Jenkins Eligibility Must be eligible to work in the UK Must be eligible for UK Security Clearance Apply now to learn more.

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London ( Hybrid 2 days per week in the office ) . You will join us on a full-time, permanent basis, and in return, you will receive a competitive salary of up to £85,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007. Our team of around 50 people are based in Central London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data-driven products. You will work across the full stack, contributing to backend services, APIs, and frontend applications, while collaborating closely with data science, product, and external partners to deliver robust, user-focused solutions. RSMB has been a specialist in data science and audience measurement for almost 40 years, best known for developing industry-standard methodologies and measurement solutions. We are now building on that heritage through a growing suite of platforms designed to connect datasets, power advanced analytics, and deliver actionable insights across organisations. With around 50 staff and a hybrid setup in Central London, we combine deep technical expertise with a collaborative, product-focused mindset. Key responsibilities as our Senior Full Stack Engineer will include: Full Stack Development & System Design Designing and building scalable, maintainable, and high-performance applications across backend and frontend layers. Developing backend services using Python and SQL, with integration into Azure-based infrastructure and Snowflake data platforms. Building intuitive, performant front-end interfaces using React and modern JavaScript/TypeScript frameworks. Contributing to architecture decisions across multiple products, ensuring consistency, scalability, and long-term maintainability. Designing and developing APIs for internal and external consumption. Data Platform & Product Engineering Working on data-intensive products, including Data Fusion and analytics platforms, handling large-scale datasets and complex transformations. Collaborating with data scientists to productionise models, pipelines, and analytical workflows. Designing data models, pipelines, and query strategies to support performant analytics and reporting use cases. Ensuring data quality, integrity, and observability across systems. Delivery & Engineering Excellence Taking ownership of features from design through to deployment and ongoing iteration. Working within agile development processes, contributing to sprint planning, estimation, and continuous improvement. Writing clean, well-tested, and maintainable code, with strong emphasis on automated testing and CI/CD practices. Contributing to engineering standards, code reviews, and best practices across the Development team. Cross-functional Collaboration Working closely with Product Managers, Data Scientists, QA, and Technical Leadership to deliver high-quality products. Collaborating with external partners, clients, and industry stakeholders where required. Translating complex data and technical requirements into scalable engineering solutions. AI-Enabled Development Practices Effectively integrating AI-assisted development tools (e.g., code generation, testing, debugging, documentation) into day-to-day workflows. Applying critical judgement to ensure correctness, security, and maintainability of AI-assisted outputs. Continuously evaluating emerging AI tools and practices to improve engineering efficiency and quality What we are looking for in our Senior Full Stack Engineer: Proven experience (typically 5 10+ years) in full stack software engineering, ideally within data heavy, analytics, or SaaS environments Strong backend development experience with Python and SQL (relational and/or analytical databases). Experience working with cloud platforms, particularly Azure. Experience working with modern data platforms such as Snowflake (or similar analytical warehouses). Experience with .NET is desirable. Strong frontend development experience using React and modern JavaScript/TypeScript. Experience designing and building APIs and distributed systems. Solid understanding of data engineering concepts, including data modelling, ETL/ELT pipelines, and performance optimisation. Experience with CI/CD, containerised systems, and modern deployment workflows. Familiarity with working alongside data science teams and deploying data-driven products. Experience working in agile environments (Scrum/Kanban) with strong ownership of delivery. Strong problem-solving skills and ability to work with complex, data-rich systems. Excellent communication skills and ability to collaborate across technical and non-technical stakeholders. What you ll get in return as our Senior Full Stack Engineer: A central role in building industry-leading platforms such as Barb Ads Hub, NMO XCM, and Data Fusion. Opportunity to work on complex, high-impact data and analytics products used across the media ecosystem. Exposure to cutting-edge work in data integration, analytics, and measurement. Hybrid working model (2 days per week in our Central London office). A collaborative environment with strong engineering and data science expertise. 25 days holiday rising to 30, private medical insurance, pension, season ticket loan and more. Ready to help shape the next generation of RSMB s product portfolio? If you feel you have the skills and experience to become a Senior Full Stack Engineer in this exciting role, then please click apply now We'd love to hear from you! Please note that applicants must have the right to work in the UK. We are not accepting unsolicited agency applications for this role.

About the Role We're looking for a founding full-stack engineer to join an early-stage, high-impact startup at the intersection of AI and law. You'll be one of the first hires, owning features end-to-end-from talking to users and scoping problems to building and iterating solutions. If you're excited to shape a product that's trusted by top-tier professionals in a high-stakes environment, and want to help define both engineering culture and technical foundations, this is for you. What You'll Do Work across the stack: Python backend, Next.js + TypeScript frontend, PostgreSQL Architect scalable document processing pipelines for large datasets Build AI-native user experiences and intelligent agent workflows using state-of-the-art LLMs Improve system performance, stability, and observability Deploy to Azure using infrastructure-as-code (Bicep) and CI/CD via GitHub Actions Collaborate directly with users to deeply understand workflows and pain points Influence engineering best practices, product direction, and team growth What We're Looking For 3+ years of experience in full-stack or backend development Proficiency with Python, TypeScript, and modern frameworks like Next.js Strong product sense and ability to work autonomously High attention to detail and bias for action Excellent communication skills Bonus: Experience or interest in legal tech or document-heavy domains Why Join Be part of a ground-floor team shaping a next-gen AI product Work with real users at leading firms in a rapidly evolving industry Backed by YC and top-tier investors Own a meaningful equity stake Move fast, ship often, and work on genuinely hard and impactful problems Compensation & Benefits 70-100K salary 0.50%-1.00% equity Hybrid working (London-based) Fast response time: Expect to hear back within 24h

Senior Full-Stack Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: 80,000 - 120,000 + Benefits Investigo are partnered with a rapidly growing AI technology company that is reshaping the way organisations harness vedio data through advanced software solutions. They're now seeking a Senior Full Stack Engineer to play a key role in building innovative products and scaling their platform as the business enters its next stage of growth. This is a unique opportunity to join at a pivotal moment. You'll work on cutting-edge projects alongside engineers and leaders from some of the most innovative global tech companies, developing solutions used by clients across healthcare, logistics, education, hospitality, and more. The Role Take ownership of developing scalable backend services and APIs to support new product features. Build and refine user-friendly interfaces using modern JavaScript frameworks. Optimise application performance and ensure high levels of reliability across distributed systems. Contribute to technical strategy a nd help shape future architecture decisions. Collaborate with product, design, and engineering teams to deliver seamless end-to-end solutions. Skills & Experience Proven experience as a Full-Stack Engineer working on large-scale applications. Solid knowledge of development ideally with Python or Go. Experience designing, maintaining, and optimising Database-Driven applications (PostgreSQL, Redi s , or equivalent) Strong background in JavaScript/TypeScript and frameworks such as React . Comfortable working with modern development tools, CI/CD pipelines, and version control. Exposure to at least one of the following would be beneficial: Cloud-based infrastructure (AWS, GCP, or Azure) Infrastructure-as-Code tools (e.g. Pulumi, Terraform, or similar) Mobile app development (React Native, Flutter, etc.) Video streaming or real-time data processing What's on Offer Equity options - opportunity to join early and share in the company's success Be part of a dynamic, collaborative engineering culture solving real-world problems using AI-powered solutions If this sounds like your next challenge, please apply online or email me directly at (url removed).

Lead Full-stack Developer Location: Holborn, Central London (Hybrid) Job Type: Full-time Direct Reports: x5 Senior Developers Reporting to: Head of AI & Technology An exciting new permanent opportunity has become available for a Lead Full-stack Developer, to join a juggernaut organisation in the recruitment industry. A highly dynamic, ambitious and fast-growing team dedicated to transforming the recruitment landscape through AI-driven, human-centered technology. This is a pivotal role where you will lead a team of 5 Senior Developers, focusing on hands-on coding and providing technical leadership underneath the guidance of the Head of AI & Technology. Day-to-day of the role: Lead and mentor a team of 5 Senior Developers, maintaining a hands-on approach with coding and problem-solving. Oversee the end-to-end delivery of features, ensuring the software is scalable, speedy, and of high quality. Architect, develop, and maintain core components of our SaaS platform: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS/NodeJS Integrate AI tools, APIs, and data pipelines to enhance platform intelligence. Promote engineering best practices such as testing, CI/CD, and secure coding standards. Conduct code reviews and provide technical mentorship. Collaborate with the Head of AI and Technology to align development priorities with business objectives. Foster a culture of collaboration, continuous learning, and high performance. Troubleshoot and resolve complex issues, ensuring platform reliability and uptime. Required Skills & Qualifications: 10+ years of commercial software development experience, with at least 5 years in a lead developer role. Proven track record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP). Excellent communication skills, capable of motivating and aligning technical teams. Desirable: Experience with AI tools, APIs, ML pipelines, containerisation (Docker/Kubernetes), event-driven architecture (Kafka/RabbitMQ). Benefits: Hybrid working model (minimum 3 days a week in office) 25 days annual leave plus bank holidays Flexible holiday scheme Contributory pension scheme Enhanced family leave benefits Insurance benefits including life assurance Regular events and discounts at gyms and popular retailers Wellbeing and mental health support Vibrant office location in Holborn with numerous amenities nearby To apply for the Lead Full-stack Developer position, please submit your CV and cover letter detailing your relevant experience and why you are interested in this role.