476 to 500 of 648 Software Engineering Jobs in London

LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.Heimdall Manager GG14ROLE PROFILE:We are seeking a Senior Engineering Manager to join our Customers Identity & Access Management team at LSEG. You will play a pivotal role in maintaining and evolving our custom Secure ...

SENIOR SOFTWARE ENGINEER £80,000 - £85,000 + 10% BONUS LONDON This is an exciting opportunity to join a global media organisation where engineering plays a central role in supporting digital advertising across nationwide platforms. THE COMPANY Our client is a privately owned, global organisation operating across multiple … significant investment. The organisation works with a portfolio of well-recognised consumer brands and is now making substantial investment into its technology and engineering capabilities. THE ROLE Responsibilities include but are not limited to: Define and track service reliability standards (SLOs), leading initiatives around capacity planning, performance testing ...

Backend Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. As a Backend Software Engineer within … stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Backend Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development ...

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 … with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept ...

small but growing team where you will work directly with the business on complex technology trading problems. You will collaborate with Analysts, Traders and Software Engineers cross-functionally. KEY RESPONSIBILITIES Work closely with the trading desks (traders, originators, structurers and analysts) to acquire in-depth business knowledge, identify their … code and provide prompt, effective support to resolve issues as they arise. Qualifications and Requirements: Degree educated in either Computer Science, Mathematics, Statistics, Financial Engineering, or a related quantitative field. Strong programming skills and advanced proficiency in Python. Strong understanding of probability theory and derivative option pricing. Experience with ...

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … Senior Software Engineer to work at the cutting edge of AI-driven development. The Opportunity As a Senior Software Engineer, you'll join a small, innovative team modernising and simplifying critical legacy services using cutting-edge AI tooling. You'll demonstrate what's possible when AI is deeply ...

Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record of building and scaling high-growth, category … businesses, they are using AI and automation to fundamentally reimagine how services in their space are delivered. The opportunity This is a rare greenfield engineering role at a genuinely early-stage business. The successful candidate will join a small, senior founding team and take real ownership of the technical ...

Contract Software Engineers – C# & C++ (Linux) Near Wimbledon, London | ⏳ 6 months | Inside IR35 We’re hiring two separate contract engineers to work on hardware‐integrated software projects: 🔹 Contract C# Software Engineer (Windows) C#/.NET Windows desktop applications (Windows Forms) Multi‐threaded & networked applications TCP/… Hardware/physical product interfacing On‐site 3 days per week (initially full‐time on‐site) 🔹 Contract C++ Linux Software Engineer (Embedded) Strong C++ on Linux Embedded software experience Networking (TCP/IP, UDP) Build systems (OpenEmbedded/BitBake – desirable) Hybrid working once up to speed ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains ...

Level Machine Learning Engineer to design, build, and deploy machine learning models into production environments. You will work closely with data scientists and software engineers to develop scalable ML pipelines, optimise model performance, and integrate machine learning capabilities into production systems. The role involves working with large datasets, building … Work with large datasets to build predictive and analytical models • Collaborate with data scientists to transition models from research to scalable production systems ML Engineering and Deployment • Design and maintain machine learning pipelines and model deployment infrastructure • Implement automated model training, validation, and monitoring processes • Ensure models are scalable ...

Software Engineer Middle/Back Office Asset Manager (Contract) An asset manager is improving their risk, P&L, and reporting systems and are looking for an experienced software engineer to work across several projects aimed to enhance and extended middle and back-office systems. You will have ...

optimization, ranking and recommendation. What You’ll Do Within the Sharechat AI team, we are looking for an experienced Staff engineer to lead the engineering efforts around serving personalization models efficiently at scale, leading efforts across 10+ MLEs, SDEs and decision scientists working on feed ranking and candidate generation … changing, and we’re making big progress at a rapid pace. Who are you? 8+ years of industry experience with a solid understanding of engineering, infrastructure and ML best practices. Strong coding skills with Go or JAVA Design and help develop systems that serve recommendations to over 300 million ...

Staff Software Engineer (React/TypeScript) London (Hybrid working model) £120k - £160k + 20% bonus + impressive equity options We’re partnering with a high-growth, product-led technology company building a next-generation platform at the intersection of AI, data, and engineering workflows. This is a frontend … shape a mission-critical product experience Work on genuinely complex, interesting technical problems High autonomy and real influence on architecture + product direction Strong engineering culture with a focus on quality and velocity If you’re a frontend-leaning engineer who enjoys solving hard UX problems in complex systems ...

partnering with a top-tier, globally recognised hedge fund to identify exceptional Software Engineers to join their systematic trading and quantitative research platforms. This firm is renowned for its cutting-edge technology, scientific approach to markets, and a track record of sustained, market-leading performance. Our client is seeking … quantitative disciplines and a passion for solving complex, high-impact problems at scale. The Opportunity You will work at the intersection of advanced engineering and quantitative finance, building highly performant, scalable systems that directly power trading strategies and research workflows. This is a front-office role with immediate impact ...

seeking a UK-based PHP Full Stack Software Engineer to support the continued growth of our sustainability and digital learning platforms. You ll be a hands-on developer who enjoys building modern, responsive user experiences, writing clean, scalable code, and collaborating closely with designers and cross-functional teams. This … platforms that deliver meaningful impact at scale, improving the learning experience for thousands of users. The Role at a Glance: PHP Full Stack Software Engineer Old Street, London/Hybrid Working/1 day a week in the office £70,000 - £80,000 Plus fantastic benefits: 8% employer pension ...

seeking a UK-based PHP Full Stack Software Engineer to support the continued growth of our sustainability and digital learning platforms. You’ll be a hands-on developer who enjoys building modern, responsive user experiences, writing clean, scalable code, and collaborating closely with designers and cross-functional teams. This … platforms that deliver meaningful impact at scale, improving the learning experience for thousands of users. The Role at a Glance: PHP Full Stack Software Engineer Old Street, London/Hybrid Working/1 day a week in the office £70,000 - £80,000 Plus fantastic benefits: 8% employer pension ...

seeking a UK-based PHP Full Stack Software Engineer to support the continued growth of our sustainability and digital learning platforms. You’ll be a hands-on developer who enjoys building modern, responsive user experiences, writing clean, scalable code, and collaborating closely with designers and cross-functional teams. This … platforms that deliver meaningful impact at scale, improving the learning experience for thousands of users. The Role at a Glance: PHP Full Stack Software Engineer Old Street, London/Hybrid Working/1 day a week in the office £70,000 - £80,000 Plus fantastic benefits: 8% employer pension ...

how. And people are our why. For over two decades, we have been harnessing technology to drive meaningful change. By combining world-class engineering, industry expertise and a people-centric mindset, we consult and partner with leading brands from various industries to create dynamic platforms and intelligent digital experiences … Endava, you will identify and engage new enterprise clients, introducing them to Endava’s capabilities in IT professional services, digital transformation, and custom software engineering. This role requires a sales leader with experience selling complex IT services and custom software development solutions into the Payments ecosystem, including payment ...

deploy applications within OpenShift Produce low-level designs and conduct code reviews Troubleshoot technical issues and drive performance improvements Support CI/CD and engineering best practices What We’re Looking For Strong hands-on experience with C#/.NET Core Experience building microservices architectures Experience with OpenShift Strong ...

handle the management or business side of technology projects. They are technology professional who guides development teams. They lead the development team with all software development tasks especially on giving technical guidance. They will be expected to work well in a team environment with no supervision. *CANDIDATES MUST ...

looking for a Lead Backend Software Engineer to shape backend architecture, drive engineering excellence, and guide teams building high-performance digital products used at scale. This is a hands-on leadership role where you’ll influence technical strategy, mentor engineers, and ensure backend systems are robust, secure … future-ready. What you’ll be doing Lead backend architecture – Define and evolve scalable, secure, high-performance backend systems Set engineering standards – Champion best practices, secure coding (OWASP), and high-quality delivery Hands-on technical contribution – Support critical backend work and review complex code Guide teams & mentor engineers – Facilitate ...

Description Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will … developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful APIs Proficiency in Spring Boot Experience working with Docker Solid understanding ...

Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will … developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful APIs Proficiency in Spring Boot Experience working with Docker Solid understanding ...

Senior Full Stack Software Engineer | London | £100,000 - £150,000 | Python | React Location: London-based (hybrid) Salary: £100,000 - £150,000 + equity Tech Stack: Backend: Python (Flask or FastAPI or Django) Frontend: React, TypeScript Cloud Systems: GCP or AWS Are you a software engineer who enjoys shipping … products, solving tangible customer problems, and seeing your work in production quickly? We are working with a Series A AI technology company building automation software that sits directly in the operational core of key businesses. This is not experimental AI. This is production critical software used daily ...

C++ Software Engineer – High-Frequency Trading A systematic trading firm of similar calibre to leading names in the space is seeking exceptional C++ Software Engineers to join its world-class engineering team. This is a hybrid position, open to candidates based in London or has the right … work in London. You will be part of a highly collaborative, low-ego engineering culture that prioritises performance, innovation, and impact. Working alongside some of the brightest minds in quantitative trading and systems engineering, you will build and optimise ultra-low latency, high-throughput systems that operate ...