10 full stack developer jobs found in London

Senior Full Stack Engineer (Python & Typescript) Location: Predominantly Remote Start Date: November 2026 Duration: Until March/April 2027 Rate: £500 - £525 per day IR35: Outside IR35 The Opportunity We are supporting a client operating within a highly regulated environment and looking to engage an experienced contract engineer to join a critical delivery programme This is an opportunity to join a fast-paced engineering team focused on delivering high-quality software solutions where hands-on development, AI-assisted engineering, and structured delivery practices are central to success. What We're Looking For Successful candidates will have experience working within heavily regulated or enterprise environments and be comfortable operating within formal governance frameworks, change controls, ticketing processes, and established development life cycles. You'll bring: Proven experience delivering software solutions in regulated environments Strong...

Full Stack Developer - 3-month contract - £500 per day (Outside IR35) - Berkshire/Hybrid (2 days a week on site) Python/React JS/PostgreSQL/SQL/FastAPI/AWS/Cyber Security Key skills/responsibilities: Design, develop and maintain full-stack applications and internal engineering tools. Build Back End services, APIs and automation primarily using Python. Develop modern web interfaces using JavaScript/TypeScript and associated frameworks. Design and work with relational databases, particularly PostgreSQL. Develop, deploy and support applications within AWS environments. Build and maintain CI/CD pipelines and automated deployment processes. Troubleshoot application, infrastructure and integration issues across the stack. Apply secure development practices throughout the software lifecycle Strong Python FastAPI development experience and extensive React JS experience Strong knowledge of SQL and PostgreSQL. Experience developing both Back End and Front End...

Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...

Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...

Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...

SC Cleared Typescript Engineer / Outside IR35/ Occasional Travel / 12 month Contract  We’re looking for an experienced Full Stack Javascript Developer to join a greenfield digital programme within a secure environment. You’ll be working across the full stack, helping build a new TypeScript-based platform from the ground up and taking genuine ownership of features from development through to production. Essential Experience  Active SC  Strong TypeScript experience across front and back end React Node.js and REST APIs PostgreSQL, including schema design and query optimisation Unit, integration and end-to-end testing Docker and containerised applications CI/CD, ideally GitHub Actions OIDC / Keycloak authentication Agile delivery experience Bonus: Experience with Kubernetes/OpenShift, Terraform/Helm, Grafana, Prometheus or Loki would be beneficial.  If you are interested in this role and have relevant experience, please apply or email your latest CV to (url removed)...

SC Cleared Typescript Engineer/Outside IR35/Occasional Travel/12 month Contract We're looking for an experienced Full Stack Javascript Developer to join a greenfield digital programme within a secure environment. You'll be working across the full stack, helping build a new TypeScript-based platform from the ground up and taking genuine ownership of features from development through to production. Essential Experience Active SC Strong TypeScript experience across front and back end React Node.js and REST APIs PostgreSQL, including schema design and query optimisation Unit, integration and end-to-end testing Docker and containerised applications CI/CD, ideally GitHub Actions OIDC/Keycloak authentication Agile delivery experience Bonus: Experience with Kubernetes/OpenShift, Terraform/Helm, Grafana, Prometheus or Loki would be beneficial. If you are interested in this role and have relevant experience, please apply or email your latest CV to (see below)...

SC Cleared Typescript Engineer / Outside IR35/ Occasional Travel / 12 month Contract We're looking for an experienced Full Stack Javascript Developer to join a greenfield digital programme within a secure environment. You'll be working across the full stack, helping build a new TypeScript-based platform from the ground up and taking genuine ownership of features from development through to production. Essential Experience Active SC Strong TypeScript experience across front and back end React Node.js and REST APIs PostgreSQL, including schema design and query optimisation Unit, integration and end-to-end testing Docker and containerised applications CI/CD, ideally GitHub Actions OIDC / Keycloak authentication Agile delivery experience Bonus: Experience with Kubernetes/OpenShift, Terraform/Helm, Grafana, Prometheus or Loki would be beneficial. If you are interested in this role and have relevant experience, please...

JOB TITLE: DevOps Engineer - DV Cleared Rate: £600-£650/day (Outside IR35) Location: Onsite in Basingstoke Clearance: DV Cleared (Mandatory) Job Summary We are seeking a technically skilled DevOps Engineer with DV clearance to contribute across the full software development lifecycle and DevOps toolchain. You will design, implement, and maintain scalable, secure, and automated CI/CD pipelines, infrastructure-as-code (IaC), and system monitoring frameworks to support the continuous delivery of secure and reliable software. This role demands a strong grasp of modern DevOps practices, cloud and container technologies, automation tooling, and software engineering principles. You will work closely with development, security, and operations teams to drive a culture of DevSecOps and continuous improvement. Key Responsibilities Design, build, and maintain scalable CI/CD pipelines using modern DevOps tooling. Implement Infrastructure-as-Code (IaC) to provision and...

JOB TITLE: DevOps Engineer - DV Cleared Rate: £600-£650/day (Outside IR35) Location: Onsite in Basingstoke Clearance: DV Cleared (Mandatory) Job Summary We are seeking a technically skilled DevOps Engineer with DV clearance to contribute across the full software development lifecycle and DevOps toolchain. You will design, implement, and maintain scalable, secure, and automated CI/CD pipelines, infrastructure-as-code (IaC), and system monitoring frameworks to support the continuous delivery of secure and reliable software. This role demands a strong grasp of modern DevOps practices, cloud and container technologies, automation tooling, and software engineering principles. You will work closely with development, security, and operations teams to drive a culture of DevSecOps and continuous improvement. Key Responsibilities Design, build, and maintain scalable CI/CD pipelines using modern DevOps tooling. Implement Infrastructure-as-Code (IaC) to provision and manage...