876 to 900 of 1,246 Full Stack Engineer Jobs in London

engineering experience with at least 3 years in a lead role Proven ability to led teams and drive cross-functional delivery in a matrix environment Strong command of full stack development: Javascript (React/Angular), Node.js or Java/.NET/Python and SQL Hands-on experience with AWS architecture and services (Glue, Lambda, API gateway More ❯

engineering experience with at least 3 years in a lead role Proven ability to led teams and drive cross-functional delivery in a matrix environment Strong command of full stack development: Javascript (React/Angular), Node.js or Java/.NET/Python and SQL Hands-on experience with AWS architecture and services (Glue, Lambda, API gateway More ❯

engineering experience with at least 3 years in a lead role Proven ability to led teams and drive cross-functional delivery in a matrix environment Strong command of full stack development: Javascript (React/Angular), Node.js or Java/.NET/Python and SQL Hands-on experience with AWS architecture and services (Glue, Lambda, API gateway More ❯

engineering experience with at least 3 years in a lead role Proven ability to led teams and drive cross-functional delivery in a matrix environment Strong command of full stack development: Javascript (React/Angular), Node.js or Java/.NET/Python and SQL Hands-on experience with AWS architecture and services (Glue, Lambda, API gateway More ❯

is live and serving over 40,000 BCG users globally, helping employees get IT help faster, smarter, and more intuitively than ever before. As the Global IT Software Engineer Director - GenAI, you will play a hands-on role in building upon Ava's success. You will design, develop, and deliver high-impact GenAI solutions that expand Ava's … solutions are secure, maintainable, and aligned to roadmap priorities. Staying curious and adaptive, quickly learning new technologies and applying them to enterprise-scale challenges. What You'll Bring Full-stack engineering expertise with experience in cloud-native application development (AWS preferred). Hands-on experience in building and deploying Generative AI or LLM-based systems at More ❯

Contract Backend Engineer Location: London (Hybrid) Contract Type: Outside IR35 Duration: 3 months Clearance: Must hold or be eligible for SC Clearance About the Project Our client is a confidential technology organisation operating within the defence and national security domain. They develop secure, data-driven software systems that deliver critical insight and decision advantage. You will join a … opportunity to work on greenfield architecture using modern languages and infrastructure, and to help define best practices across a critical mission space. The Role As a Contract Backend Engineer, you will work closely with the CTO and senior engineers to design and deliver secure, scalable backend APIs that power complex analytical and operational systems. You will be instrumental … in defining architecture patterns, integrating geospatial data sources, and working with modern cloud-native technologies. Tech Stack Languages: Python (preferred), GoLang, or Rust Databases: Relational and Graph Infrastructure: GCP, Serverless, Containers, Kubernetes (not essential) IaC: Terraform (nice to have) Focus Areas: Secure multi-tenant systems, data orchestration, geospatial and graph data handling Key Responsibilities Design and implement backend More ❯

Contract Backend Engineer Location: London (Hybrid) Contract Type: Outside IR35 Duration: 3 months Clearance: Must hold or be eligible for SC Clearance About the Project Our client is a confidential technology organisation operating within the defence and national security domain. They develop secure, data-driven software systems that deliver critical insight and decision advantage. You will join a … opportunity to work on greenfield architecture using modern languages and infrastructure, and to help define best practices across a critical mission space. The Role As a Contract Backend Engineer, you will work closely with the CTO and senior engineers to design and deliver secure, scalable backend APIs that power complex analytical and operational systems. You will be instrumental … in defining architecture patterns, integrating geospatial data sources, and working with modern cloud-native technologies. Tech Stack Languages: Python (preferred), GoLang, or Rust Databases: Relational and Graph Infrastructure: GCP, Serverless, Containers, Kubernetes (not essential) IaC: Terraform (nice to have) Focus Areas: Secure multi-tenant systems, data orchestration, geospatial and graph data handling Key Responsibilities Design and implement backend More ❯

Contract Backend Engineer Location: London (Hybrid) Contract Type: Outside IR35 Duration: 3 months Clearance: Must hold or be eligible for SC Clearance About the Project Our client is a confidential technology organisation operating within the defence and national security domain. They develop secure, data-driven software systems that deliver critical insight and decision advantage. You will join a … opportunity to work on greenfield architecture using modern languages and infrastructure, and to help define best practices across a critical mission space. The Role As a Contract Backend Engineer, you will work closely with the CTO and senior engineers to design and deliver secure, scalable backend APIs that power complex analytical and operational systems. You will be instrumental … in defining architecture patterns, integrating geospatial data sources, and working with modern cloud-native technologies. Tech Stack Languages: Python (preferred), GoLang, or Rust Databases: Relational and Graph Infrastructure: GCP, Serverless, Containers, Kubernetes (not essential) IaC: Terraform (nice to have) Focus Areas: Secure multi-tenant systems, data orchestration, geospatial and graph data handling Key Responsibilities Design and implement backend More ❯

Contract Backend Engineer Location: London (Hybrid) Contract Type: Outside IR35 Duration: 3 months Clearance: Must hold or be eligible for SC Clearance About the Project Our client is a confidential technology organisation operating within the defence and national security domain. They develop secure, data-driven software systems that deliver critical insight and decision advantage. You will join a … opportunity to work on greenfield architecture using modern languages and infrastructure, and to help define best practices across a critical mission space. The Role As a Contract Backend Engineer, you will work closely with the CTO and senior engineers to design and deliver secure, scalable backend APIs that power complex analytical and operational systems. You will be instrumental … in defining architecture patterns, integrating geospatial data sources, and working with modern cloud-native technologies. Tech Stack Languages: Python (preferred), GoLang, or Rust Databases: Relational and Graph Infrastructure: GCP, Serverless, Containers, Kubernetes (not essential) IaC: Terraform (nice to have) Focus Areas: Secure multi-tenant systems, data orchestration, geospatial and graph data handling Key Responsibilities Design and implement backend More ❯

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle. … excellence. About you: 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack Proactive and self-driven, able to take ownership of tasks from conception to deployment. Excellent communication skills, capable of translating complex technical concepts into clear, understandable More ❯

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle. … excellence. About you: 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack Proactive and self-driven, able to take ownership of tasks from conception to deployment. Excellent communication skills, capable of translating complex technical concepts into clear, understandable More ❯

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle. … excellence. About you: 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack Proactive and self-driven, able to take ownership of tasks from conception to deployment. Excellent communication skills, capable of translating complex technical concepts into clear, understandable More ❯

We are seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. You … a cross-functional team of 8–10 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While you’ll have the resources of a … requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals, and facilitate execution Develop and expand product capabilities, from AI-driven features to core full-stack enhancements Lead functional design and code reviews, providing constructive feedback Coordinate with QA to achieve automated testing in support of continuous delivery Build and maintain a More ❯

We are seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. You … a cross-functional team of 8–10 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While you’ll have the resources of a … requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals, and facilitate execution Develop and expand product capabilities, from AI-driven features to core full-stack enhancements Lead functional design and code reviews, providing constructive feedback Coordinate with QA to achieve automated testing in support of continuous delivery Build and maintain a More ❯

Senior/Lead Engineer – Fullstack, Node - AI HealthTech £80,000 - £90,000 Hybrid The Mission My client is a VC-backed, early-stage AI HealthTech start-up focused on transforming how clinics operate. Their platform replaces outdated, fragmented healthcare software with an intelligent system that automates key workflows. The aim is to reduce administrative burden and allow clinicians … rely on legacy systems that slow processes and require excessive administrative work. Clinicians often spend hours managing paperwork rather than seeing patients. My client’s solution automates the full clinical workflow, integrating patient information across all stages of care to improve efficiency, financial performance, and patient experience. Progress and Momentum MVP already deployed and actively used in clinical … and entering a phase of rapid growth Technology Snapshot TypeScript | Node.js | Google Cloud Platform (GCP) | Svelte | Native iOS The Opportunity My client is seeking a Principal/Lead Engineer to take the existing MVP and evolve it into a robust, scalable platform suitable for wider adoption. This role will have significant influence over system architecture, technical strategy, and More ❯

Senior/Lead Engineer – Fullstack, Node - AI HealthTech £80,000 - £90,000 Hybrid The Mission My client is a VC-backed, early-stage AI HealthTech start-up focused on transforming how clinics operate. Their platform replaces outdated, fragmented healthcare software with an intelligent system that automates key workflows. The aim is to reduce administrative burden and allow clinicians … rely on legacy systems that slow processes and require excessive administrative work. Clinicians often spend hours managing paperwork rather than seeing patients. My client’s solution automates the full clinical workflow, integrating patient information across all stages of care to improve efficiency, financial performance, and patient experience. Progress and Momentum MVP already deployed and actively used in clinical … and entering a phase of rapid growth Technology Snapshot TypeScript | Node.js | Google Cloud Platform (GCP) | Svelte | Native iOS The Opportunity My client is seeking a Principal/Lead Engineer to take the existing MVP and evolve it into a robust, scalable platform suitable for wider adoption. This role will have significant influence over system architecture, technical strategy, and More ❯

Senior/Lead Engineer – Fullstack, Node - AI HealthTech £80,000 - £90,000 Hybrid The Mission My client is a VC-backed, early-stage AI HealthTech start-up focused on transforming how clinics operate. Their platform replaces outdated, fragmented healthcare software with an intelligent system that automates key workflows. The aim is to reduce administrative burden and allow clinicians … rely on legacy systems that slow processes and require excessive administrative work. Clinicians often spend hours managing paperwork rather than seeing patients. My client’s solution automates the full clinical workflow, integrating patient information across all stages of care to improve efficiency, financial performance, and patient experience. Progress and Momentum MVP already deployed and actively used in clinical … and entering a phase of rapid growth Technology Snapshot TypeScript | Node.js | Google Cloud Platform (GCP) | Svelte | Native iOS The Opportunity My client is seeking a Principal/Lead Engineer to take the existing MVP and evolve it into a robust, scalable platform suitable for wider adoption. This role will have significant influence over system architecture, technical strategy, and More ❯

Senior/Lead Engineer – Fullstack, Node - AI HealthTech £80,000 - £90,000 Hybrid The Mission My client is a VC-backed, early-stage AI HealthTech start-up focused on transforming how clinics operate. Their platform replaces outdated, fragmented healthcare software with an intelligent system that automates key workflows. The aim is to reduce administrative burden and allow clinicians … rely on legacy systems that slow processes and require excessive administrative work. Clinicians often spend hours managing paperwork rather than seeing patients. My client’s solution automates the full clinical workflow, integrating patient information across all stages of care to improve efficiency, financial performance, and patient experience. Progress and Momentum MVP already deployed and actively used in clinical … and entering a phase of rapid growth Technology Snapshot TypeScript | Node.js | Google Cloud Platform (GCP) | Svelte | Native iOS The Opportunity My client is seeking a Principal/Lead Engineer to take the existing MVP and evolve it into a robust, scalable platform suitable for wider adoption. This role will have significant influence over system architecture, technical strategy, and More ❯

We are looking for a highly motivated Junior Backend Software Engineer (hybrid in London) to join an early stage technology company. This is a rare chance to join a startup at the very beginning - where your curiosity, ideas, and input will directly influence the product roadmap. Youll be working closely with a small, experienced engineering team, building real … features in a modern codebase from day one. As a Junior Backend Software Engineer, you will be designing and implementing scalable, high-performance infrastructure services, APIs and integrations. Youll join a small and growing R&D team focused on building ambitious new products from the ground up. Youll work on real product features, contribute to design and development … years of commercial or equivalent experience in a software development role building cloud-driven SAAS products, with a focus on building and maintaining infrastructure and backend services. Full stack experience with other languages and frameworks (e.g. React, Vue, iOS, Android) is a plus, but not required. Familiarity with modern backend frameworks and languages such as Golang More ❯

Role: Staff Software Engineer (Rust & AI Inference) Location: London (23 days a week onsite) Compensation: Up to 160,000 + equity Were supporting an emerging deep tech company building high-performance infrastructure to support AI model deployment at scale. Theyre focused on enabling enterprises to run advanced AI systems in production, with a strong emphasis on privacy, performance … and full-stack control. This is a hands-on senior IC role for an engineer who thrives in low-latency, compute-intensive environments, and enjoys mentoring others. Youll play a key role in shaping the core inference layer powering complex real-time AI workflows. If you're excited by the challenge of optimising distributed More ❯

Role: Staff Software Engineer (Rust & AI Inference) Location: London (2–3 days a week onsite) Compensation: Up to £160,000 + equity We’re supporting an emerging deep tech company building high-performance infrastructure to support AI model deployment at scale. They’re focused on enabling enterprises to run advanced AI systems in production, with a strong emphasis … on privacy, performance, and full-stack control. This is a hands-on senior IC role for an engineer who thrives in low-latency, compute-intensive environments, and enjoys mentoring others. You’ll play a key role in shaping the core inference layer powering complex real-time AI workflows. If you're excited by the More ❯

Role: Staff Software Engineer (Rust & AI Inference) Location: London (2–3 days a week onsite) Compensation: Up to £160,000 + equity We’re supporting an emerging deep tech company building high-performance infrastructure to support AI model deployment at scale. They’re focused on enabling enterprises to run advanced AI systems in production, with a strong emphasis … on privacy, performance, and full-stack control. This is a hands-on senior IC role for an engineer who thrives in low-latency, compute-intensive environments, and enjoys mentoring others. You’ll play a key role in shaping the core inference layer powering complex real-time AI workflows. If you're excited by the More ❯

Role: Staff Software Engineer (Rust & AI Inference) Location: London (2–3 days a week onsite) Compensation: Up to £160,000 + equity We’re supporting an emerging deep tech company building high-performance infrastructure to support AI model deployment at scale. They’re focused on enabling enterprises to run advanced AI systems in production, with a strong emphasis … on privacy, performance, and full-stack control. This is a hands-on senior IC role for an engineer who thrives in low-latency, compute-intensive environments, and enjoys mentoring others. You’ll play a key role in shaping the core inference layer powering complex real-time AI workflows. If you're excited by the More ❯

Role: Staff Software Engineer (Rust & AI Inference) Location: London (2–3 days a week onsite) Compensation: Up to £160,000 + equity We’re supporting an emerging deep tech company building high-performance infrastructure to support AI model deployment at scale. They’re focused on enabling enterprises to run advanced AI systems in production, with a strong emphasis … on privacy, performance, and full-stack control. This is a hands-on senior IC role for an engineer who thrives in low-latency, compute-intensive environments, and enjoys mentoring others. You’ll play a key role in shaping the core inference layer powering complex real-time AI workflows. If you're excited by the More ❯

We are looking for a highly motivated Junior Backend Software Engineer (hybrid in London) to join an early stage technology company. This is a rare chance to join a startup at the very beginning - where your curiosity, ideas, and input will directly influence the product roadmap. Youll be working closely with a small, experienced engineering team, building real … features in a modern codebase from day one. As a Junior Backend Software Engineer, you will be designing and implementing scalable, high-performance infrastructure services, APIs and integrations. Youll join a small and growing R&D team focused on building ambitious new products from the ground up. Youll work on real product features, contribute to design and development … years of commercial or equivalent experience in a software development role building cloud-driven SAAS products, with a focus on building and maintaining infrastructure and backend services. Full stack experience with other languages and frameworks (e.g. React, Vue, iOS, Android) is a plus, but not required. Familiarity with modern backend frameworks and languages such as Golang More ❯