26 to 50 of 283 Senior Full Stack Developer Jobs

Senior Full Stack Quantitative Developer Certain Advantage are hiring for a Senior Full Stack Quantitative Developer based in London on a hybrid basis. This role is on an initial contract till the end of the year with a potential to be extended for a More ❯

Role: Senior Full-Stack Developer Location: London (Hybrid – 3 days in-office per week) Start Date: ASAP Day Rate: £550 p/d (Outside IR35) Contact : Matthew.Makranczy@forsythbarnes.com About the Company A fast-growing UK-based organisation is building software to support the delivery of high-integrity environmental solutions. Their clients include … A core focus is on developing reliable internal tooling for pricing, compliance, quoting, and stock availability. The Opportunity They’re looking for a hands-on Senior Full-Stack Engineer to take ownership of the first production-ready version of their quoting and automation platform. This includes database design, backend development, and a robust front … RBAC, audit trails, and security best practices. Own CI/CD pipelines, infrastructure as code, and system monitoring from the start. Tech Stack & Experience Essential Strong full-stack background: TypeScript with React (or similar), Python (FastAPI) or Node.js (NestJS). Data: PostgreSQL preferred; solid experience with schema design, migrations, and performance tuning. Cloud/ More ❯

Role: Senior Full-Stack Developer Location: London (Hybrid – 3 days in-office per week) Start Date: ASAP Day Rate: £550 p/d (Outside IR35) Contact : Matthew.Makranczy@forsythbarnes.com About the Company A fast-growing UK-based organisation is building software to support the delivery of high-integrity environmental solutions. Their clients include … A core focus is on developing reliable internal tooling for pricing, compliance, quoting, and stock availability. The Opportunity They’re looking for a hands-on Senior Full-Stack Engineer to take ownership of the first production-ready version of their quoting and automation platform. This includes database design, backend development, and a robust front … RBAC, audit trails, and security best practices. Own CI/CD pipelines, infrastructure as code, and system monitoring from the start. Tech Stack & Experience Essential Strong full-stack background: TypeScript with React (or similar), Python (FastAPI) or Node.js (NestJS). Data: PostgreSQL preferred; solid experience with schema design, migrations, and performance tuning. Cloud/ More ❯

Role: Senior Full-Stack Developer Location: London (Hybrid – 3 days in-office per week) Start Date: ASAP Day Rate: £550 p/d (Outside IR35) Contact : Matthew.Makranczy@forsythbarnes.com About the Company A fast-growing UK-based organisation is building software to support the delivery of high-integrity environmental solutions. Their clients include … A core focus is on developing reliable internal tooling for pricing, compliance, quoting, and stock availability. The Opportunity They’re looking for a hands-on Senior Full-Stack Engineer to take ownership of the first production-ready version of their quoting and automation platform. This includes database design, backend development, and a robust front … RBAC, audit trails, and security best practices. Own CI/CD pipelines, infrastructure as code, and system monitoring from the start. Tech Stack & Experience Essential Strong full-stack background: TypeScript with React (or similar), Python (FastAPI) or Node.js (NestJS). Data: PostgreSQL preferred; solid experience with schema design, migrations, and performance tuning. Cloud/ More ❯

Role: Senior Full-Stack Developer Location: London (Hybrid – 3 days in-office per week) Start Date: ASAP Day Rate: £550 p/d (Outside IR35) Contact : Matthew.Makranczy@forsythbarnes.com About the Company A fast-growing UK-based organisation is building software to support the delivery of high-integrity environmental solutions. Their clients include … A core focus is on developing reliable internal tooling for pricing, compliance, quoting, and stock availability. The Opportunity They’re looking for a hands-on Senior Full-Stack Engineer to take ownership of the first production-ready version of their quoting and automation platform. This includes database design, backend development, and a robust front … RBAC, audit trails, and security best practices. Own CI/CD pipelines, infrastructure as code, and system monitoring from the start. Tech Stack & Experience Essential Strong full-stack background: TypeScript with React (or similar), Python (FastAPI) or Node.js (NestJS). Data: PostgreSQL preferred; solid experience with schema design, migrations, and performance tuning. Cloud/ More ❯

Role: Senior Full-Stack Developer Location: London (Hybrid – 3 days in-office per week) Start Date: ASAP Day Rate: £550 p/d (Outside IR35) Contact : Matthew.Makranczy@forsythbarnes.com About the Company A fast-growing UK-based organisation is building software to support the delivery of high-integrity environmental solutions. Their clients include … A core focus is on developing reliable internal tooling for pricing, compliance, quoting, and stock availability. The Opportunity They’re looking for a hands-on Senior Full-Stack Engineer to take ownership of the first production-ready version of their quoting and automation platform. This includes database design, backend development, and a robust front … RBAC, audit trails, and security best practices. Own CI/CD pipelines, infrastructure as code, and system monitoring from the start. Tech Stack & Experience Essential Strong full-stack background: TypeScript with React (or similar), Python (FastAPI) or Node.js (NestJS). Data: PostgreSQL preferred; solid experience with schema design, migrations, and performance tuning. Cloud/ More ❯

Senior Full Stack Developer Manchester City Centre(2 days per week onsite) Up to £70,000+Benefits My client is a rapidly scaling, cutting edge hospitality platform changing the way venues connect with their customers. They are looking for an experienced senior product-focused full stack engineer … scalable, maintainable, well-tested software across the stack. Improve our ways of working and coach a growing team. Contribute to technical decisions on architecture, infrastructure, and tooling Tech Stack: You don't need to be a specialist in every language or tool we use - great engineers can learn. What matters most is a strong foundation in modern engineering More ❯

We're looking for a highly skilled Senior Full Stack Developer with strong experience in C# .NET and React to join our growing tech team. You'll play a key role in designing, building, and maintaining robust, scalable web applications, working across the full stack to deliver high … features. Write clean, scalable, and testable code. Troubleshoot and debug applications. Mentor junior developers and contribute to best practices. You will have: 5+ years of experience as a Full Stack Developer. Strong proficiency in C# .NET (Core) and React. Solid understanding of REST APIs, SQL/NoSQL databases, and version control (Git). Experience with cloud More ❯

Full Stack Developer - Senior Software Engineer (Fullstack Node.js, React, DevOps, C#) Birmingham, West Midlands Hybrid (2 days onsite per week) Salary: to 60k + Excellent Benefits We are working with a leading software house specialising in enterprise solutions that is seeking a talented Senior Software Engineer to join their Birmingham … based team. This hybrid role offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Software Engineer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React … while collaborating closely with other developers, architects, and stakeholders to deliver robust applications that meet enterprise-level demands. Key Responsibilities for this Full Stack Developer role Design, develop, test, and deploy high-quality software solutions. Work across the full stack with Node.js, React , and C#. Build and maintain RESTful APIs More ❯

Full Stack Developer - Senior Software Engineer (Fullstack – Node.js, React, DevOps, C#) Birmingham, West Midlands – Hybrid (2 days onsite per week)Salary: to 60k + Excellent BenefitsWe are working with a leading software house specialising in enterprise solutions that is seeking a talented Senior Software Engineer to join their Birmingham-based … team. This hybrid role offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite.As a Senior Software Engineer, you’ll play a key role in the design, development, and delivery of scalable, high-performance software solutions. You’ll work across the full stack, focusing on Node.js and React … while collaborating closely with other developers, architects, and stakeholders to deliver robust applications that meet enterprise-level demands. Key Responsibilities for this Full Stack Developer role Design, develop, test, and deploy high-quality software solutions. Work across the full stack with Node.js, React , and C#. Build and maintain RESTful APIs More ❯

Role: Senior Java Full Stack Engineer Industry: Consultancy (Public/Government & Private Sector) My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site … travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growly team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Top end budget of £70k + disc bonus + full benefits + flexi working (option of remote or … hybrid plus ad hoc client site travel) Primary requirements as a Senior Java Full Stack Engineer: Must be eligible for SC Clearance Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using More ❯

About Hire Stack Hire Stack is an innovative recruitment CRM that’s rapidly gaining traction across the UK. Built to transform the way agencies and employers manage talent, our platform combines intuitive design, scalability, and modern tech to deliver real impact. With massive growth potential ahead, we’re looking for ambitious developers to join our core … at the heart of a fast-moving company, where your ideas and code will directly influence product direction and company growth. The Role We’re seeking a versatile full-stack developer who thrives in a dynamic environment. You’ll play a key role in developing Hire Stack’s platform, adding new features … team, taking ownership of projects, delivering solutions end-to-end, and helping us meet the needs of a growing client base. What We’re Looking For A motivated developer ready to grow with an expanding SaaS company Full-stack capabilities, comfortable moving between front-end and back-end Ability to work independently and take More ❯

Senior Full Stack Engineer | Cybersecurity Scale-Up | Fully Remote (Global) Want to use your full stack skills to help stop real-world cyber attacks? This is your chance to join a fast-growing, VC-backed cybersecurity innovator , recognised by Gartner and trusted by Fortune 500s and critical infrastructure providers worldwide. … They’re building cutting-edge technology that helps organisations continuously understand how they could be compromised — and they’re scaling fast. Now, they’re looking for a Senior Full Stack Engineer to join their Client Facing Applications (CFA) team, where you’ll help shape the customer experience for some of the world’s largest … REST) Creating data-driven dashboards and UIs with React, Next.js, and Chakra UI Translating product and design requirements into elegant, maintainable solutions Troubleshooting and optimising performance across the full stack Collaborating with product managers, designers, and engineers to deliver seamless client experiences Driving continuous improvements in engineering practices, tooling, and processes What they’re looking for More ❯

intelligent, and forward-thinking security strategy that helps companies effectively defend against cyberattacks and build a secure digital future. Tasks We are looking for a Senior Full-Stack Developer (Cybersecurity) who will play a key role in building our MSSP platform while mentoring and leading junior developers . This is a hands … CrowdStrike, Elastic, Windows Defender ). You'll also help shape best practices, guide architectural decisions, and foster a strong development culture within the team. Key responsibilities : Develop & optimize full-stack applications using Supabase (SQL), NextJS, TypeScript, and Python . Build scalable and secure APIs to interact with security tools and external integrations. Lead & mentor junior developers … drive system architecture decisions , ensuring scalability and maintainability. Foster a collaborative team environment , helping junior developers grow their expertise. Requirements Required skills & experience : 5+ years of experience in full-stack development , ideally in cybersecurity or security-related applications . Proven experience leading and mentoring junior developers in a team setting. Expertise in TypeScript, NextJS, Python, and More ❯

Senior Full Stack Developer (Java/React) 179556 Desired skills: Java, React, Hibernate, SQL, BPM processes Reperio has partnered with a leading consultancy and IT services provider who are seeking a skilled Full Stack Developer. In this role, you will design, develop, and deliver high-quality digital solutions … processes and workflow integration. Knowledge of cloud platforms (AWS/Azure/GCP), CI/CD pipelines, DevOps practices, and API design. Applicants must be eligible to work full-time in Ireland without restriction. Excited about this opportunity? Apply now through the link provided or reach out to Ben at Reperio for more details! Reperio Human Capital acts More ❯

About the role; As a Principal/Senior Full Stack Developer, you will serve as a technical leader and architect, driving the design and development of enterprise-scale cloud native solutions while establishing technical excellence across the organisation. You will define architectural patterns, set technical standards, and lead the adoption of best … approve technical designs for major features and system changes Create technical documentation, architecture decision records (ADRs), and reference implementations Optimise system performance, scalability, and reliability across the technology stack Lead the design and implementation of complex integrations with D365 CE, Power Platform, and SharePoint Mentor and coach developers across multiple teams, fostering technical excellence Lead technical training initiatives … span multiple teams and departments Knowledge, Skills & Experience; Extensive software development experience with at least 3 years in a principal or lead architect role Expert-level proficiency in full stack development (C#, .NET, JavaScript/TypeScript, HTML/CSS) Deep expertise in cloud platforms (Azure preferred) and cloud-native architectures Extensive experience with D365 CE, Power More ❯

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A More ❯

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A More ❯

Senior Full-Stack Developer Milton Keynes Up to 55,000 Do you want to be part of a mission-driven team building transformative tech for global infrastructure? Working on high-impact projects, collaborating across continents, and shaping the future of enterprise platforms? If yes, this could be the perfect role for you … Our client is a fast-growing technology company, delivering cutting-edge enterprise platforms for Hyperscale datacenter providers, FTSE 100 companies, and global clients. As Senior Full-stack Developer, you will: Architect and build scalable web applications for global datacenter platforms Lead development of client portals and real-time dashboards Integrate telemetry systems … with BMS/PMS for IoT and datacenter monitoring Mentor developers and present technical solutions to clients Champion SOC2 compliance and security best practices Tech Stack: Frontend: React.js, TypeScript, HTML5, CSS3, Tailwind CSS Backend: .NET, Node.js, Python, RESTful APIs Database: PostgreSQL, MS-SQL, Redis Cloud/DevOps: Azure DevOps, AWS, CI/CD pipelines What are we looking More ❯

Senior Full-Stack Developer | Milton Keynes | Up to £55,000 Do you want to be part of a mission-driven team building transformative tech for global infrastructure? Working on high-impact projects, collaborating across continents, and shaping the future of enterprise platforms? If yes, this could be the perfect role for you … Our client is a fast-growing technology company, delivering cutting-edge enterprise platforms for Hyperscale datacenter providers, FTSE 100 companies, and global clients. As Senior Full-stack Developer, you will: Architect and build scalable web applications for global datacenter platforms Lead development of client portals and real-time dashboards Integrate telemetry systems … with BMS/PMS for IoT and datacenter monitoring Mentor developers and present technical solutions to clients Champion SOC2 compliance and security best practices Tech Stack: Frontend: React.js, TypeScript, HTML5, CSS3, Tailwind CSS Backend: .NET, Node.js, Python, RESTful APIs Database: PostgreSQL, MS-SQL, Redis Cloud/DevOps: Azure DevOps, AWS, CI/CD pipelines What are we looking More ❯

Senior Full-Stack .NET Developer – Remote (UK-Based) Are you a confident .NET Developer looking for a fully remote senior role where you can take ownership, work autonomously, and help shape a modern tech stack? We’re hiring for an experienced Full-Stack .NET Developer to join a small, senior development team at a high-growth, tech-driven business in the creative sector. You’ll work on real products with real users, helping to rebuild and evolve a complex platform that powers thousands of online stores. This is a hands-on role with a strong focus on … REST & GraphQL APIs for third-party platform integrations Collaborate closely with a small, experienced team in a flat structure Remote-first – work from anywhere in the UK Tech Stack Backend: .NET 8, C#, Azure, PostgreSQL Frontend: React, Vue (legacy), Loveable (low-code React generator) Tools: GitHub Actions, Azure Service Fabric, Supabase Integrations: Shopify, other e-commerce APIs You More ❯

Full Stack Developer - React/.NET £50,000 - £60,000 | Hybrid (2 days a week in Leeds) Are you a Full Stack Developer ready to take that next step towards a Senior role? Want to work on nationally significant projects that genuinely make an impact? We … re working with a leading tech consultancy in Leeds that's delivering a range of exciting, large-scale projects across the UK. They're looking for a talented Full Stack Developer to join their team - someone who enjoys variety, collaboration, and tackling new challenges. You'll be working across React and .NET , with a … depends on the project. If you've got consultancy experience or the confidence to engage directly with clients, that will make you a strong candidate for a future Senior position . What you'll be doing: Building and maintaining high-quality applications using React and .NET . Collaborating with designers, developers, and clients to deliver scalable solutions. Working More ❯

world’s leading enterprises—including FTSE100 and Fortune 500 companies—to deliver complex digital, cloud, and data-driven solutions. What we’re looking for We are seeking a Senior Full Stack Developer (Consultant) who enjoys coding but also thrives in a client-facing environment. This role is a mix of development, solution More ❯

world’s leading enterprises—including FTSE100 and Fortune 500 companies—to deliver complex digital, cloud, and data-driven solutions. What we’re looking for We are seeking a Senior Full Stack Developer (Consultant) who enjoys coding but also thrives in a client-facing environment. This role is a mix of development, solution More ❯

We are seeking a full-time contractor or employee for a Senior Full Stack Java Developer role.Required Skills: Java JSP/HTML/CSS/Javascript/Bootstrap 2.0 Experience in SQL, DDL, DML, Stored Procedures Spring MVC, Spring Boot, Spring Batch Knowledge of Web API Development, including SOAP, REST More ❯