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Senior Software Engineer — Lead, Build Scalable Platforms

A leading digital finance company in Greater London is seeking a Senior Software Engineer to design, develop, and maintain high-quality software solutions. The ideal candidate will mentor junior engineers, contribute to architectural decisions, and implement continuous delivery practices. You will work in an agi ...

Senior Security Software Research Engineer – Defense Tech

A leading technology firm in London is seeking a Senior Security Software Research Engineer to identify vulnerabilities and develop exploits. The role requires 3+ years of experience in vulnerability research, knowledge of various systems, and familiarity with common security research tools. Employees enjoy attr ...

OT Framework Configuration Engineer & Software Developer – Cambridge

OT Framework Configuration Engineer & Software Developer – Cambridge Reference Code: -en_GB Contract Type: Permanent Professional Communities: Manufacturing & Operations Engineering Your role Are you passionate about building secure, reliable systems that keep critic ...

C++ Software Engineer for AI Systems (Hybrid)

Softweb Resourcing is searching for a Software Engineer specializing in C++ and JS to help transform global manufacturing with AI in London. This role involves designing and building high-performance systems with a focus on efficiency and scalability. Candidates should have significant experience with modern C++ ...

Product Focused Software Engineer — Frontend & CAD UX

Endra in Greater London is seeking experienced engineers with a strong background in C++, TypeScript, or Python to join their talented team. The ideal candidate will take ownership of front-end features and be involved in developing high-performance applications. This role offers competitive salary, employee-fri ...

Engineering AI Software Engineer Vice President London

Position Overview Goldman Sachs Engineers are innovators and problem-solvers, building solutions in Artificial Intelligence, risk management, big data, mobile, and more. This team focuses on creating tools and platform services that enhance the developer experience for all GS engineers. The prima ...

Staff Software Engineer Product Focused & Scale Driven

HackerX is seeking a product-minded software engineer with over 8 years of experience to join our engineering team in Greater London. You will drive product impact, work with a modern tech stack including Typescript, AWS, and React, and take ownership of projects from end-to-end. This role offers a unique opport ...

Backend Software Engineer – Hybrid (Node.js/TS, GCP)

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to ...

Senior Software Engineer – Live Markets Trading Platform

Prism Digital is searching for a Senior Software Engineer to join their team in London. In this pivotal role, you will work directly on an execution platform and contribute to its modernization while collaborating closely with traders and engineers on the trading floor. The ideal candidate will have a degree in ...

Fullstack Software Engineer (With AI Tools Experience)

YOUR ROLE You will leverage your software development expertise alongside cutting-edge AI tools to accelerate development cycles and drive innovation. As a key member of our engineering team, you'll use your talents in software development, application architecture, and problem-solving to create ...

Senior Software Engineer I (Growth & Marketing Technology)

We’re putting together a talented team to build the #1 training platform for Runners. We help everyday runners become outstanding by building an incredible app providing world‑class training, coaching and community for everyone, whether you’re improving your 5k time or training for your first marat ...

Member of Technical Staff (Backend Software Engineer)

Perplexity is looking for experienced Infrastructure Engineers to join our small team revolutionizing the way people search and interact with the internet. You will be responsible for leading the design, implementation, and scaling of tools, systems, and platforms that empower web, mobile, and browser engi ...

Senior Software Engineer, Google Cloud, Agent Building

Senior Software Engineer, Google Cloud, Agent Building Location: London, UK Required Qualifications Bachelor’s degree or equivalent practical experience. 5 years of experience testing, launching software products, and 3 years experience with software design and a ...

Staff Software Engineer Cloud AI Agent Builder

A leading tech company in the UK is seeking a Staff Software Engineer for their Cloud Applied AI team. This role involves designing and deploying AI agents while working closely with customers to understand their needs. Applicants should have significant experience in software development and a strong background ...

VP Software Engineer AI Driven Cloud Platform

Goldman Sachs is searching for a software developer in Greater London to work on the Consolidated Trade Ledger initiative. This role requires over 8 years experience in Java and familiarity with AI tools like GitHub Copilot. You will design and implement high-availability, cloud-native services while collaborati ...

Lead Software Engineer (C#/.NET) — Distributed Systems

Caxton Associates is looking for an experienced Software Engineer to lead a London-based team in our Software Development group. This hands-on role requires extensive experience with C# and the .NET stack, along with leadership abilities. Responsibilities include designing scalable systems, mentoring engineers, ...

Senior software engineer, enterprise AI platform (UK)

About WRITER WRITER is where the world’s leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we’re proving it’s possible—through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transfo ...

Senior Software Engineer, Unity Platform & Game Tools

A leading game engine company in Greater London is seeking a skilled Software Developer to work closely with external customers in game development and production tools. The role involves solving complex challenges and ensuring project success by leveraging deep technical expertise in the Unity ecosystem. Candid ...

Senior Software Engineer AI Powered Atlas Platform

Join Multiverse in Greater London as part of the Engineering team, where you'll play a crucial role in developing AI-integrated educational products. The position emphasizes building production systems using a full-stack approach including Python, TypeScript, and more. Candidates should possess strong technical ...

Software Engineer Grafana Cloud Integrations | UK | Remote

Software Engineer – Grafana Cloud Integrations In this role, you will be part of the team that develops our portfolio of integrations that allow customers to collect and visualize metrics from various systems and applications. Location This role is available for candidates locat ...

Senior Platform Software Engineer Robotics & Embedded Systems

Thehumanoid is seeking a Senior Platform Software Engineer in Greater London to revolutionize humanoid robotics. This role involves developing core software systems for next-gen robots, including integration of sensors and safety systems. Candidates should have over 5 years of experience in embedded software dev ...

Research Software Engineer — AI & UX for Heritage

A leading heritage organization is looking for two Research Software Engineers in Richmond upon Thames, London. Join a pioneering 3-year project aiming to enhance community-generated digital content. The ideal candidates will have proficiency in Python or JavaScript frameworks and a passion for human-computer in ...

Software Engineering DevOps Engineer Professional London, GB

Overview A career in IBM Consulting is built on long‑term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red H ...

Sr Software Engineer GPB TECH OPER & FRANCHISE

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the AWM PB, you are an integral part of an agile team that works to enhance, build, and deliver trusted ...

Backend Software Engineer (Shield) – Go Microservices Expert

Infosum is seeking a Backend Software Engineer in Basingstoke to develop and maintain backend systems. Responsibilities include collaborating on system design, backend development using Go, and optimizing database performance. Ideal candidates will have over 3 years of experience, proficiency in Go, and familiar ...

Member of Technical Staff Research Software Engineer

Overview Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. Our team of AI researchers and company builders come from DeepMind, OpenAI, Google Brain, Meta, Characte ...

Principal Software Engineer, Cloud Native API Platform

Priority Pass in Greater London is seeking a Principal Engineer to define the architectural vision for their API platform. This role encompasses leading the development of scalable, cloud-native systems and mentoring engineering teams. Ideal candidates are proficient in TypeScript, AWS, and event-driven architec ...

Finance Software Engineer — Build Capital Markets Systems

Galatea Associates, located in Greater London, is seeking a Financial Software Engineer to join their innovative team. This role involves defining and developing systems for capital markets, emphasizing hands-on programming and client interaction. Candidates should possess a Bachelor's degree in a relevant field ...

iOS Software Engineer II Build Travel Apps

TechBrains is seeking a Software Engineer II with iOS development experience based in or near Oxford, England. This role emphasizes writing code, collaborating with teams, and supporting back-end microservices in a remote-first environment. Candidates should possess at least three years of commercial software de ...

Research Software Engineer Scalable AI Tools & Pipelines

Mistral AI is seeking a Research Engineer based in London to design and optimize complex distributed systems, enabling researchers to train frontier-scale AI models. The ideal candidate has a Master’s in Computer Science, 4+ years of experience building large-scale systems, fluency in Python, and knowledge of co ...

Staff Software Engineer, Payments Platform (Hybrid London)

hackajob is seeking a Staff Software Engineer to join their Platform team in London, supporting a hybrid working model. The candidate will design, develop, and improve robust software solutions for business and technology capabilities. Key qualifications include extensive experience in building scalable systems, ...

Staff Software Engineer: Scale‑Focused AI Systems

Performativ, a fast-moving fintech scaleup based in Greater London, is seeking a Staff Software Engineer to tackle challenging technical problems. This role involves designing scalable systems, improving performance, and ensuring reliability across platforms. Ideal candidates will have strong experience in distr ...

Founding Software Engineer Lead Platform & Ops (Equity)

nineDots.io is seeking a Founding Engineer at the Senior/Staff Level in Greater London, offering a salary between £130,000 to £150,000. This role involves end-to-end ownership of the codebase and leading platform optimizations, collaborating closely with the CEO. Candidates should have a strong technical backgro ...

Staff Software Engineer Payments Enterprise Technology – BPL

Role Overview As a Staff Software Engineer on our Platform team, you will design, develop, and improve software that provides business, platform, and technology capabilities for our customers and colleagues. Technical Requirements Extensive experience building complex, sca ...

Staff Software Engineer Scalable AI & Cloud Systems

The Trade Desk is looking for a Software Engineer in Greater London to help build and deliver data-focused products. The ideal candidate should have strong OO programming skills, experience with cloud platforms like AWS or Azure, and an understanding of Agile methodologies. Responsibilities include working on la ...

Medical AI Software Safety Engineer | Equity & Impact

Jack & Jill is seeking a Software Safety Engineer located in London, UK. This role involves certifying innovative medical AI software to ensure safe patient access to cutting-edge diagnostics. As part of a specialized team, you will evaluate software processes for high-impact devices, collaborate with AI experts ...

Senior Software Engineer – Property Based Testing (London)

Antithesis Operations LLC is seeking a developer based in London to help build ‘Hegel’, an innovative set of property-based testing libraries. The role requires experience with property-based testing and familiarity with Python and Rust. This in-office position values collaboration and high engineering standards ...

Senior Lead Software Engineering AI/ML Engineer

Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your skills in solving complex c ...

Senior Software Engineer — AI/ML & Architecture (Hybrid)

8th Light is looking for a Senior Engineer in London to work in a hybrid model, contributing to high-stakes consulting projects. With 4+ years of experience, candidates should have expertise in production-quality code and AI/ML integration. The role offers a competitive salary between £56,640 and £70,800 GBP. Yo ...

Lead Software Engineer Agentic Gen AI / NLP

Job Description Are you passionate about building the next generation of AI solutions? Join us to lead and mentor a team of talented engineers, drive innovation in generative and agentic AI, and deliver impactful, scalable technology for Risk Technology. You'll collaborate with cross-functional pa ...

Intermediate Software Engineer (React) (£75k) at Goodlord

Job details Job Title: Intermediate Software Engineer (React) Salary: £75k Company Description: Goodlord - £17M-backed PropTech scale-up Location: London, UK Job Description You will join a high-performing engineering team ...

Senior Lead Software Engineering AI/ML Engineer

Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your skills in solving complex c ...

Senior Software Engineer | Upto $63/hr Hourly

Overview Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position Software Engineer Type <p ...

Senior Software Engineer Healthcare Platform (Hybrid UK)

Magentus Group is seeking a Senior Software Engineer to improve and maintain critical applications across their operations in the UK and Australia. The ideal candidate will have a strong background in real-time application development and experience in regulated industries like healthcare. This hybrid role invol ...

Senior Software Engineer — Web Apps & .NET Mastery

Norstella is seeking a Mid to Senior Software Engineer in London to focus on building and maintaining web-based products. The ideal candidate should have strong technical skills, particularly in C#, HTML, and JavaScript, and be capable of translating business requirements into working software. Responsibilities ...

Software Engineer – Test Framework (C++ / Algorithmic Trading)

What you’ll do Build and extend automated testing infrastructure for C++ services Integrate automated tests into CI/CD pipelines for fast developer feedback Cover the full testing spectrum from deterministic unit tests through to full‑system scenarios Convert defect ...

Backend Software Engineer London £75 140k + equity

About Corgi Corgi is an AI-powered insurance company designed for tech startups. The company has raised $108M and holds regulatory approval as a licensed carrier. The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. <l ...

Senior Lead Software Engineer Cloud & API Architecture

Senior Lead Software Engineer – JPMorgan Chase Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you'll collaborate with talented p ...

Ship First Software Engineer London (Hybrid, Equity)

Corgi Insurance is seeking a Software Engineer to develop and ship products quickly in London. The role requires someone who has tangible experience in bringing projects from inception to live, and who thrives in a fast-paced environment. You will be part of a culture that emphasizes rapid delivery and iteration ...

Founding Software Engineer London £75 140k + equity

About Corgi Corgi is an AI-powered insurance company designed for tech startups. The company has raised $108M and holds regulatory approval as a licensed carrier. The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. <l ...

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    Software Engineer Python Java Data Jobs in London Job Search Guide, Trends and Insights