1,001 to 1,025 of 1,186 Full Stack Engineer Jobs in London

Job Title: Solutions Engineer Location: London (Hybrid – 3 days per week) Salary: £60,000 + bonus and perks About Our Client Our client is a global network of life-saving technology companies, united by a mission to create a safer, cleaner, and healthier future. Their portfolio of over 40 businesses delivers innovative solutions addressing critical challenges in health … Pacific, this is an opportunity to join a forward-thinking organisation recognised as one of the UK’s most admired companies. The Role We are seeking a Solutions Engineer to join the Digital Solutions team, working alongside the Senior Solutions Architect. This role blends hands-on software development with strategic advisory, supporting group-wide technology initiatives while helping … proof-of-concepts, and prototypes using cloud services, AI, VR/AR, and Edge AI. Provide hands-on guidance to operating companies on software development best practices, technology stack selection, DevOps, and CI/CD implementation. Develop reusable assets such as reference architectures, templates, and playbooks to accelerate adoption and delivery. Translate business requirements into technical solutions and More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this … spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend … or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this … spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend … or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this … spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend … or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this … spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend … or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely More ❯

Mid-Level .NET Software Engineer | London | £60,000–£80,000 + Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing … SaaS brand based in Central London who are looking for a talented Mid-Level .NET Software Engineer to join their expanding development team. This is an outstanding opportunity for an engineer with solid .NET experience and a passion for cloud technologies (especially AWS) to take the next step in a modern, forward-thinking environment. You’ll … to have: Experience with Docker/Kubernetes Exposure to serverless or event-driven architectures 💰 What’s on Offer Salary up to £80,000, dependent on experience Annual bonus & full benefits package Hybrid working (2 days per week in central London office) 25 days’ holiday + bank holidays Private healthcare & pension Dedicated learning & development budget A collaborative, engineering-led More ❯

Mid-Level .NET Software Engineer | London | £60,000–£80,000 + Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing … SaaS brand based in Central London who are looking for a talented Mid-Level .NET Software Engineer to join their expanding development team. This is an outstanding opportunity for an engineer with solid .NET experience and a passion for cloud technologies (especially AWS) to take the next step in a modern, forward-thinking environment. You’ll … to have: Experience with Docker/Kubernetes Exposure to serverless or event-driven architectures 💰 What’s on Offer Salary up to £80,000, dependent on experience Annual bonus & full benefits package Hybrid working (2 days per week in central London office) 25 days’ holiday + bank holidays Private healthcare & pension Dedicated learning & development budget A collaborative, engineering-led More ❯

Mid-Level .NET Software Engineer | London | £60,000–£80,000 + Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing … SaaS brand based in Central London who are looking for a talented Mid-Level .NET Software Engineer to join their expanding development team. This is an outstanding opportunity for an engineer with solid .NET experience and a passion for cloud technologies (especially AWS) to take the next step in a modern, forward-thinking environment. You’ll … to have: Experience with Docker/Kubernetes Exposure to serverless or event-driven architectures 💰 What’s on Offer Salary up to £80,000, dependent on experience Annual bonus & full benefits package Hybrid working (2 days per week in central London office) 25 days’ holiday + bank holidays Private healthcare & pension Dedicated learning & development budget A collaborative, engineering-led More ❯

Mid-Level .NET Software Engineer | London | £60,000–£80,000 + Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing … SaaS brand based in Central London who are looking for a talented Mid-Level .NET Software Engineer to join their expanding development team. This is an outstanding opportunity for an engineer with solid .NET experience and a passion for cloud technologies (especially AWS) to take the next step in a modern, forward-thinking environment. You’ll … to have: Experience with Docker/Kubernetes Exposure to serverless or event-driven architectures 💰 What’s on Offer Salary up to £80,000, dependent on experience Annual bonus & full benefits package Hybrid working (2 days per week in central London office) 25 days’ holiday + bank holidays Private healthcare & pension Dedicated learning & development budget A collaborative, engineering-led More ❯

AI Engineer Location: London (Hybrid) Salary: Up to £70,000 + Bonus + Benefits Start Date: ASAP About the Opportunity We are seeking a talented and motivated AI Engineer to join a fast-growing, forward-thinking team operating at the cutting edge of artificial intelligence, large language models (LLMs), and cloud-native applications . This is … an exciting opportunity for an engineer with solid experience in AI development, software engineering, or machine learning systems to work on projects that deliver real business impact across the banking and finance sector . You’ll collaborate with an international team of AI engineers, data scientists, and software developers to design, build, and deploy scalable AI-driven products … databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving skills and a proactive, collaborative mindset Full right to work in the UK (visa sponsorship not available) Nice to Have Experience with prompt engineering , fine-tuning , or AI agents Understanding of retrieval-augmented generation (RAG) systems More ❯

AI Engineer Location: London (Hybrid) Salary: Up to £70,000 + Bonus + Benefits Start Date: ASAP About the Opportunity We are seeking a talented and motivated AI Engineer to join a fast-growing, forward-thinking team operating at the cutting edge of artificial intelligence, large language models (LLMs), and cloud-native applications . This is … an exciting opportunity for an engineer with solid experience in AI development, software engineering, or machine learning systems to work on projects that deliver real business impact across the banking and finance sector . You’ll collaborate with an international team of AI engineers, data scientists, and software developers to design, build, and deploy scalable AI-driven products … databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving skills and a proactive, collaborative mindset Full right to work in the UK (visa sponsorship not available) Nice to Have Experience with prompt engineering , fine-tuning , or AI agents Understanding of retrieval-augmented generation (RAG) systems More ❯

AI Engineer Location: London (Hybrid) Salary: Up to £70,000 + Bonus + Benefits Start Date: ASAP About the Opportunity We are seeking a talented and motivated AI Engineer to join a fast-growing, forward-thinking team operating at the cutting edge of artificial intelligence, large language models (LLMs), and cloud-native applications . This is … an exciting opportunity for an engineer with solid experience in AI development, software engineering, or machine learning systems to work on projects that deliver real business impact across the banking and finance sector . You’ll collaborate with an international team of AI engineers, data scientists, and software developers to design, build, and deploy scalable AI-driven products … databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving skills and a proactive, collaborative mindset Full right to work in the UK (visa sponsorship not available) Nice to Have Experience with prompt engineering , fine-tuning , or AI agents Understanding of retrieval-augmented generation (RAG) systems More ❯

AI Engineer Location: London (Hybrid) Salary: Up to £70,000 + Bonus + Benefits Start Date: ASAP About the Opportunity We are seeking a talented and motivated AI Engineer to join a fast-growing, forward-thinking team operating at the cutting edge of artificial intelligence, large language models (LLMs), and cloud-native applications . This is … an exciting opportunity for an engineer with solid experience in AI development, software engineering, or machine learning systems to work on projects that deliver real business impact across the banking and finance sector . You’ll collaborate with an international team of AI engineers, data scientists, and software developers to design, build, and deploy scalable AI-driven products … databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving skills and a proactive, collaborative mindset Full right to work in the UK (visa sponsorship not available) Nice to Have Experience with prompt engineering , fine-tuning , or AI agents Understanding of retrieval-augmented generation (RAG) systems More ❯

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution … teams I've seen. Bringing together brilliant minds from Cambridge, MIT, and Google across Software Engineering, Data Science, Theoretical Physics, and Computational Geometry. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities … principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Software Engineer - Python/FastAPI/React/Functional programming/Typescript More ❯

Analytics Engineer London (onsite) | Full-Time, Permanent We're on an exciting data transformation journey and are looking for a skilled Analytics Engineer to join our growing data team. In this role, you'll help design and implement scalable, high-performance data infrastructure using the modern data stack, including Azure Databricks , Azure More ❯

building and supporting the digital services that help secure property rights and enable the housing market to function. Salary up to £44,400, 29% employer pension contribution plus full Civil Service benefits. Flexible, hybrid working from 14 office locations across the UK. Job Summary You will join HMLR's Software Development Practice, part of the wider Digital, Data … virtually 'meet the team' will be held via Teams on Wednesday 12th of November at 12:30pm. Follow the application link for booking instructions. HMLR's Core Tech Stack Languages: Java and Python (with some legacy Delphi). Frameworks: Spring Boot, Flask, Django. Cloud & Hosting: AWS and OpenShift (container-based environments). Containers & DevOps: Docker, Kubernetes, CI/… PostgreSQL (primary), with some Oracle and SQL Server legacy systems. Version Control: Git and GitHub (enterprise). Testing: JUnit, PyTest, Selenium, and Cucumber for automation. Monitoring & Tooling: ELK Stack, Grafana, and CloudWatch for logging and performance. Key Responsibilities Develop, test and maintain secure, reliable and efficient software applications. Participate in agile ceremonies, including sprint planning, retrospectives and daily More ❯

Junior Software Engineer London, UK £85,000 basic plus bonus We're looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You'll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software … The opportunity to shape system architecture and mentor future engineering leaders Flexible Hybrid working in Central London up to £85,000 basic plus market leading bonus structures Tech Stack: Python, Java, C#, Postgres, Kubernetes, Docker, AWS, Azure, k6, JMeter, Gatling If you're passionate about pushing the boundaries of performance engineering and building software that scales effortlessly, we More ❯

Junior Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software … The opportunity to shape system architecture and mentor future engineering leaders Flexible Hybrid working in Central London up to £85,000 basic plus market leading bonus structures Tech Stack: Python, Java, C#, Postgres, Kubernetes, Docker, AWS, Azure, k6, JMeter, Gatling If you’re passionate about pushing the boundaries of performance engineering and building software that scales effortlessly, we More ❯

Junior Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software … The opportunity to shape system architecture and mentor future engineering leaders Flexible Hybrid working in Central London up to £85,000 basic plus market leading bonus structures Tech Stack: Python, Java, C#, Postgres, Kubernetes, Docker, AWS, Azure, k6, JMeter, Gatling If you’re passionate about pushing the boundaries of performance engineering and building software that scales effortlessly, we More ❯

Junior Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software … The opportunity to shape system architecture and mentor future engineering leaders Flexible Hybrid working in Central London up to £85,000 basic plus market leading bonus structures Tech Stack: Python, Java, C#, Postgres, Kubernetes, Docker, AWS, Azure, k6, JMeter, Gatling If you’re passionate about pushing the boundaries of performance engineering and building software that scales effortlessly, we More ❯

Senior Software Engineer | £120K | AI Video Platform | London (On-site 5 days) *Can offer sponsorship and relocation for the right person* I’m partnered with an AI company founded by serial entrepreneurs and ex-Lyft, Google, and Zoox engineers, a team with serious technical pedigree across robotics, computer vision, and large-scale ML systems. They’ve built one … video intelligence platforms on the market, used by hospitals, schools, logistics firms, and enterprises globally, turning static video into actionable insights. Now, they’re looking for a Software Engineer who can own their web experience end-to-end, setting best practices, shaping architecture, and delivering truly intuitive interfaces that bring AI to life. You’ll join a tight … at the intersection of machine learning, UX, and infrastructure, where every release directly impacts how businesses use AI in the real world. 💡 Why it’s worth your time: Full ownership of the front-end stack in a technically deep, design-led product. Work alongside top-tier engineers and researchers with world-class pedigrees. Help redefine a More ❯

Senior Software Engineer | £120K | AI Video Platform | London (On-site 5 days) *Can offer sponsorship and relocation for the right person* I’m partnered with an AI company founded by serial entrepreneurs and ex-Lyft, Google, and Zoox engineers, a team with serious technical pedigree across robotics, computer vision, and large-scale ML systems. They’ve built one … video intelligence platforms on the market, used by hospitals, schools, logistics firms, and enterprises globally, turning static video into actionable insights. Now, they’re looking for a Software Engineer who can own their web experience end-to-end, setting best practices, shaping architecture, and delivering truly intuitive interfaces that bring AI to life. You’ll join a tight … at the intersection of machine learning, UX, and infrastructure, where every release directly impacts how businesses use AI in the real world. 💡 Why it’s worth your time: Full ownership of the front-end stack in a technically deep, design-led product. Work alongside top-tier engineers and researchers with world-class pedigrees. Help redefine a More ❯

Senior Software Engineer | £120K | AI Video Platform | London (On-site 5 days) *Can offer sponsorship and relocation for the right person* I’m partnered with an AI company founded by serial entrepreneurs and ex-Lyft, Google, and Zoox engineers, a team with serious technical pedigree across robotics, computer vision, and large-scale ML systems. They’ve built one … video intelligence platforms on the market, used by hospitals, schools, logistics firms, and enterprises globally, turning static video into actionable insights. Now, they’re looking for a Software Engineer who can own their web experience end-to-end, setting best practices, shaping architecture, and delivering truly intuitive interfaces that bring AI to life. You’ll join a tight … at the intersection of machine learning, UX, and infrastructure, where every release directly impacts how businesses use AI in the real world. 💡 Why it’s worth your time: Full ownership of the front-end stack in a technically deep, design-led product. Work alongside top-tier engineers and researchers with world-class pedigrees. Help redefine a More ❯

Senior Software Engineer | £120K | AI Video Platform | London (On-site 5 days) *Can offer sponsorship and relocation for the right person* I’m partnered with an AI company founded by serial entrepreneurs and ex-Lyft, Google, and Zoox engineers, a team with serious technical pedigree across robotics, computer vision, and large-scale ML systems. They’ve built one … video intelligence platforms on the market, used by hospitals, schools, logistics firms, and enterprises globally, turning static video into actionable insights. Now, they’re looking for a Software Engineer who can own their web experience end-to-end, setting best practices, shaping architecture, and delivering truly intuitive interfaces that bring AI to life. You’ll join a tight … at the intersection of machine learning, UX, and infrastructure, where every release directly impacts how businesses use AI in the real world. 💡 Why it’s worth your time: Full ownership of the front-end stack in a technically deep, design-led product. Work alongside top-tier engineers and researchers with world-class pedigrees. Help redefine a More ❯

Senior Backend Engineer Overview We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication. Our mission is to restore trust in voice communication by … This product features an AI agent that screens unknown callers as they ring, provides a live transcript, and allows for mid-call user intervention. As the Senior Backend Engineer for Application & AI Orchestration, your central challenge will be solving the cumulative latency puzzle. You will be singularly responsible for orchestrating a best-in-class, buy, don't build … AI stack (STT - LLM - TTS) to deliver a seamless, natural, and responsive voice-to-voice (V2V) experience, targeting a sub-1000ms latency from the moment a caller stops speaking to the moment our AI begins its response. You won't just be integrating APIs; you will be architecting the Real Time, high-throughput nervous system of our core More ❯