151 to 175 of 380 Software Engineer Jobs in Central London

Job Title: Senior Software Engineer – LLM Evaluation & Repository Validation About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository … dataset coverage to different types of tasks in terms of programming language, difficulty level, and etc. About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working … with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work, including development environment automation, issue triaging, and evaluating test coverage and quality Why Join Us? Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of More ❯

Job Title: Senior Software Engineer – LLM Evaluation & Repository Validation About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository … dataset coverage to different types of tasks in terms of programming language, difficulty level, and etc. About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working … with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work, including development environment automation, issue triaging, and evaluating test coverage and quality Why Join Us? Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of More ❯

Job Title: Senior Software Engineer – LLM Evaluation & Repository Validation About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository … dataset coverage to different types of tasks in terms of programming language, difficulty level, and etc. About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working … with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work, including development environment automation, issue triaging, and evaluating test coverage and quality Why Join Us? Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of More ❯

Senior Software Engineer/Tech leads – React Native/PHP/React/Golang – Tech For Good -Scaleup Environment – 100% Project based – FULLY REMOTE – Offices based in UK Candidates can be based anywhere in the UK as long as they are comfortable working in a remote environment. Areti … partnered with a rapidly growing fintech company based in London who are building out a greenfield team and looking for up to 40 new Software Engineers with experience working with highly scalable microservice architecture by the end of the year. We are now on the lookout for Software Tech Leads/Staff Engineers who will tech control and direction of a number of different software teams. These roles are FULLY REMOTE and offer you the choice of laptop and tech equipment to make sure you can be the best version of yourself. As a software More ❯

Senior Software Engineer/Tech leads – React Native/PHP/React/Golang – Tech For Good -Scaleup Environment – 100% Project based – FULLY REMOTE – Offices based in UK Candidates can be based anywhere in the UK as long as they are comfortable working in a remote environment. Areti … partnered with a rapidly growing fintech company based in London who are building out a greenfield team and looking for up to 40 new Software Engineers with experience working with highly scalable microservice architecture by the end of the year. We are now on the lookout for Software Tech Leads/Staff Engineers who will tech control and direction of a number of different software teams. These roles are FULLY REMOTE and offer you the choice of laptop and tech equipment to make sure you can be the best version of yourself. As a software More ❯

We're seeking an experienced Software Engineer to join a dynamic FinTech company revolutionizing the way businesses access finance. As a key member of our team, you'll develop cutting-edge technology that empowers businesses and contributes to a more inclusive financial ecosystem. We are all about leveling … up the playing field 😊👌 📌Looking for: BE Engineer (Python) Full-Stack Engineer (BE Leaning with Python) 📍Office in London, but happy to be flexible on site but ideally 1/week Why Join Us? 🎉 Make a real impact: Contribute to a mission-driven company that's empowering businesses More ❯

Senior Software Engineer/Tech leads – React Native/PHP/React/Golang – Tech For Good -Scaleup Environment – 100% Project based – FULLY REMOTE – Offices based in UK Candidates can be based anywhere in the UK as long as they are comfortable working in a remote environment. Areti … partnered with a rapidly growing fintech company based in London who are building out a greenfield team and looking for up to 40 new Software Engineers with experience working with highly scalable microservice architecture by the end of the year. We are now on the lookout for Software Tech Leads/Staff Engineers who will tech control and direction of a number of different software teams. These roles are FULLY REMOTE and offer you the choice of laptop and tech equipment to make sure you can be the best version of yourself. As a software More ❯

Senior Software Engineer/Tech leads – React Native/PHP/React/Golang – Tech For Good -Scaleup Environment – 100% Project based – FULLY REMOTE – Offices based in UK 🌳🌳🌳 Candidates can be based anywhere in the UK as long as they are comfortable working in a remote environment. Areti … partnered with a rapidly growing fintech company based in London who are building out a greenfield team and looking for up to 40 new Software Engineers with experience working with highly scalable microservice architecture by the end of the year. We are now on the lookout for Software Tech Leads/Staff Engineers who will tech control and direction of a number of different software teams. These roles are FULLY REMOTE and offer you the choice of laptop and tech equipment to make sure you can be the best version of yourself. As a software More ❯

Senior Software Engineer/Tech leads – React Native/PHP/React/Golang – Tech For Good -Scaleup Environment – 100% Project based – FULLY REMOTE – Offices based in UK 🌳🌳🌳 Candidates can be based anywhere in the UK as long as they are comfortable working in a remote environment. Areti … partnered with a rapidly growing fintech company based in London who are building out a greenfield team and looking for up to 40 new Software Engineers with experience working with highly scalable microservice architecture by the end of the year. We are now on the lookout for Software Tech Leads/Staff Engineers who will tech control and direction of a number of different software teams. These roles are FULLY REMOTE and offer you the choice of laptop and tech equipment to make sure you can be the best version of yourself. As a software More ❯

Senior Lead Software Engineer, london (city of london) Client: Location: london (city of london), United Kingdom Job Category: Other Job training - EU work permit required: Yes Job Views: 3 Posted: 23.05.2025 Expiry Date: 07.07.2025 Job Description: Salary Range: Competitive Role Introduction: We are an award-winning, industry leading … Excellent communication and collaboration skills Proven experience delivering complex projects with C#.NET, SQL, and Mongo (or similar) TDD/BDD approach Strong knowledge of software and system design patterns More than 8 years industry experience Specific experience working on large-scale booking systems Team leadership experience/stakeholder management More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering … and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and … Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise More ❯

Staff Backend Software Engineer (Java or Kotlin) £80,000 to £92,000 + Exceptional Benefits Hybrid (1 to 2 days per month in London) Permanent A well-known UK retail and ecommerce brand is scaling its technology team and hiring multiple Staff Backend Engineers over the coming months. … environments and pair programming • Strong grasp of Agile methodologies, REST APIs, and test-driven development Why this role stands out... • A senior-level Staff Engineer role with clear scope for progression • Hybrid working with just one or two days in the office per month • Competitive salary plus a generous More ❯

Senior JVM Software Engineer - Greenfield Exchange Build Out West London Based - Onsite Up to £150,000 Total Compensation 3 Stage Interview Process Company: My client are one of the worlds most renowned low latency exchange providers. They are extremely well known for its ultra low latency (approx More ❯

A niche electronic trading quant fund based in London are now seeking a top end C++ Software Engineer to join it's growing team. You will have prior experience at an elite quant trading firm or similar company of equivalent scale/complexity. In this high performance computing … Your experience will be at scale in advanced C++. Ideally Computer Science Degree or similar discipline with 1st class grade Commercial experience in C++ Software Engineering, performance software Financial trading, banking or hedge fund exposure Strong interest in working for a top end, high performance, tech-driven hedge More ❯

Java Software Development Engineer in Test - FinTech - Java Remote (UK) | £80 - 90k Our client a cutting-edge fintech business is looking for a Software Development Engineer in Test (Java SDET) to strengthen their automated testing framework and drive software quality to the highest standards. This … testing to uncover edge cases and ensure robustness Pair with developers to enhance testing infrastructure for continuous delivery Proactively identify areas for improvement in software quality Essential Experience: Strong Object-Oriented Programming in Java Proven background as an SDET Component testing, end-to-end testing & failure scenario testing Exploratory … background What We are Looking For: Strong communication skills – comfortable engaging with technical & non-technical teams Inquisitive mindset – you enjoy finding ways to "break" software Proactive & self-driven – you shape your role and seek improvements Adaptable – able to pivot with changing priorities and requirements No sponsorship provided. More ❯

Front End Software Engineer/React UI JavaScript, React, typescript, Redux, NodeJS, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API - Perm Role – London – Hybrid £80'000- £100'000 plus bonus Harrington Starr has partnered up with a Global Exchange company that are looking to hire a … UI Developer with expert Software Engineering skills using JavaScript, React/Redux to help work on a range major UI project across the Fund. This is a very good opportunity to a Senior Developer to come work on a Greenfield Project working on Exchange and connectivity services. . As More ❯

Role Title: Junior Software Engineer Java Reports to: Technical Lead Java Location: Hybrid working environment (Remote and Paddington, London) Role Type: Permanent, Full-time How do we say our name, well it sounds like ‘view’. It’s also a lot shorter than saying ‘Viewed Impressions for Out … work as effectively and collaboratively remotely as you can from the office. What we'll expect from you Maintain, improve and extend the current software stack with new functionality, being part of a development team using Agile methodologies displaying the desire to continuously improve Solve business needs by building … testing and documenting software Work closely with technical leads to discuss solution and implementation strategy Produce great, elegant and simple code in a dynamic and collaborative environment Conduct code reviews of fellow developer’s work Help us deliver best quality by improving our testing and continuous-integration system Promote More ❯

X20 Senior Software Engineers Needed – Tech Start Up – Fully Remote - GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React - Offices based in London but all roles are fully remote Areti has partnered with a rapidly growing tech-led organization who are seeking multiple Software Engineers ranging from … junior to senior and looking to grow their team by a further 20 Software Engineers this year. They are one of the most exciting START-UPS in the UK! As a Software Engineer, you will enjoy working on a variety of interesting and challenging projects and can … work with various programming languages. On the other hand, if you are happy working in your niche and the software languages you are most comfortable with then this is fine also. Culture, Fun, and self-development are words often heard in this organization so if you are a software More ❯

X20 Senior Software Engineers Needed – Tech Start Up – Fully Remote - GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React - Offices based in London but all roles are fully remote Areti has partnered with a rapidly growing tech-led organization who are seeking multiple Software Engineers ranging from … junior to senior and looking to grow their team by a further 20 Software Engineers this year. They are one of the most exciting START-UPS in the UK! As a Software Engineer, you will enjoy working on a variety of interesting and challenging projects and can … work with various programming languages. On the other hand, if you are happy working in your niche and the software languages you are most comfortable with then this is fine also. Culture, Fun, and self-development are words often heard in this organization so if you are a software More ❯

X20 Senior Software Engineers Needed – Tech Start Up – Fully Remote - GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React - Offices based in London but all roles are fully remote Areti has partnered with a rapidly growing tech-led organization who are seeking multiple Software Engineers ranging from … junior to senior and looking to grow their team by a further 20 Software Engineers this year. They are one of the most exciting START-UPS in the UK! As a Software Engineer, you will enjoy working on a variety of interesting and challenging projects and can … work with various programming languages. On the other hand, if you are happy working in your niche and the software languages you are most comfortable with then this is fine also. Culture, Fun, and self-development are words often heard in this organization so if you are a software More ❯

X20 Senior Software Engineers Needed – Tech Start Up – Fully Remote - GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React - Offices based in London but all roles are fully remote 🌳🌳🌳 Areti has partnered with a rapidly growing tech-led organization who are seeking multiple Software Engineers ranging from … junior to senior and looking to grow their team by a further 20 Software Engineers this year. They are one of the most exciting START-UPS in the UK! As a Software Engineer, you will enjoy working on a variety of interesting and challenging projects and can … work with various programming languages. On the other hand, if you are happy working in your niche and the software languages you are most comfortable with then this is fine also. Culture, Fun, and self-development are words often heard in this organization so if you are a software More ❯

X20 Senior Software Engineers Needed – Tech Start Up – Fully Remote - GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React - Offices based in London but all roles are fully remote 🌳🌳🌳 Areti has partnered with a rapidly growing tech-led organization who are seeking multiple Software Engineers ranging from … junior to senior and looking to grow their team by a further 20 Software Engineers this year. They are one of the most exciting START-UPS in the UK! As a Software Engineer, you will enjoy working on a variety of interesting and challenging projects and can … work with various programming languages. On the other hand, if you are happy working in your niche and the software languages you are most comfortable with then this is fine also. Culture, Fun, and self-development are words often heard in this organization so if you are a software More ❯

Founding AI Software Engineer | Agentic AI | Stealth Start-up (VC-Backed) London – Onsite | Equity Included A stealth-mode, VC-backed start-up is building something entirely new at the intersection of LLMs , Agentic AI , and product-driven problem solving. Backed by Creandum (investors behind Spotify, Klarna, Neo4j, and … those who want to go deep on applied AI. What You’ll Do Work alongside world-class engineers to architect and scale AI-powered software from the ground up Build and refine agentic systems using LLMs. Whether you're coming from production deployments or personal explorations, your experience will … Own end-to-end features in a modern stack: Python , TypeScript , React , Node.js You Might Be a Fit If You... Have strong experience in software engineering and a passion for building from 0 to 1 Have experimented with or built agentic AI systems (AutoGPT, ReAct, LangGraph, CrewAI, etc.) Are More ❯

Job Title: GPU Software Engineer Hybrid: 3 days onsite, 2 days WFH Skills and Qualifications: - Experience working in video processing or similar high-performance applications. - Proficiency in developing software using Vulkan or other modern GPU APIs. - Extensive experience in creating C/C++ code from scratch and More ❯

Senior Software Engineer – AI Innovation Lab £110-125,000 + Strong bonus and benefits package. London, hybrid working. We’re partnering exclusively with a leading global SaaS Scaleup business as they continue to build out a newly established Innovation lab, a dedicated team focused on applying AI and … machine learning to solve valuable business problems across the organisation. This is a hands-on Software Engineering role, part of a growing team, where you’ll work closely with stakeholders across the business to reimagine their systems using modern tools and cloud-native architecture. You’ll be building from More ❯