26 to 50 of 290 Software Engineer Jobs in London

Java Software Engineer/Developer (Java AWS Spring Boot) London/WFH to £90k Are you a backend focussed Java technologist who enjoys building systems from scratch? You could be progressing your career at a global, prime broker that is replacing the legacy infrastructure used across capital markets … today's complex global markets. The company is experiencing great success in the US and is expanding into the UK. As a Java Software Engineer you will join a small team responsible for building a brand new Futures Trading platform for the UK, primarily using Java with ...

Senior Software Engineer/Developer (C++ 17 Linux SQL) London/WFH to £120k Global-leading FinTech is seeking a Senior Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer … field of cross-asset securities and derivatives post-trade processing technology, and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. What's in it for you: Salary to £120k Pension (to 9% contribution) Healthcare ...

Software Engineer - Contract (SC Cleared) Location: London (Hybrid Working) Contract: Outside IR35 Clearance: Active SC Clearance required Email : Phone : Overview We are seeking an experienced AI Software Engineer to join a high-impact programme based in London , working on cutting-edge AI and LLM-driven solutions. … owners, and DevOps Ensure solutions meet security, performance, and maintainability standards expected in SC-cleared environments Required Skills & Experience Strong commercial experience as a Software Engineer working with AI/LLM-based systems Hands-on experience with LangChain and/or LangGraph Excellent Python development skills Solid experience ...

Software Engineer Were now on the lookout for a Software Engineer to support our UK Production Support team that is working on delivering high-quality support and solutions to clients. In your role as Software Engineer, youll work closely with internal teams and clients … local statutory requirements. Provide out-of-hours support to clients when required. Skills & Experience required to perform this post: 7+ years experience in software engineering and a solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate ...

Software Engineer – Custom Software (Android) London Office Hybrid working – approx. 20% onsite URGENT contract - Initial 4 months with high likelihood of extension We’re looking for a Software Engineer with strong Android expertise to join a high-impact custom software team delivering solutions … collaborative, agile environment. You’ll be part of a well-established engineering team, contributing to the design, development, and enhancement of bespoke software applications tailored to specific client needs. While hands-on development is key, this role also carries responsibility for technical decision-making, collaboration across teams, and supporting ...

Founding Software Engineer | Python | Early-Stage AI Start-Up | London Founding Software Engineer (Python) required to build, scale, and own the technical foundation of a well backed, early-stage AI start-up from day one. This is a rare opportunity for a strong Python Software Engineer to join at the ground floor, working directly with the founders to define the architecture, ship core systems, and shape the long-term technical vision of the company. You’ll have genuine ownership, influence key technical decisions, and play a central role in taking the product from ...

Software Engineer Were now on the lookout for a Software Engineer to support our UK Production Support team that is working on delivering high-quality support and solutions to clients. In your role as Software Engineer, youll work closely with internal teams and clients ...

Software Engineer - B2B2C Health Scale-up | Up to £75,000 + Equity | London (Hybrid – 2 days in office) JavaScript | React | Node.js | TypeScript In Product is partnered with a profitable, growing health tech scale-up operating in the B2B2C space. The business is a trusted partner to leading organisations … clear focus on deepening engagement with their core audience and continuing to build products grounded in research, evidence and real user needs. As a Software Engineer, you’ll join a small, experienced engineering team and work within a cross-functional squad alongside a Product Manager and Product Designer. ...

Senior Software Engineer Cheltenham or London (Hybrid - 2 days a week onsite) Up to £80,000 + excellent benefits We’re working with a specialist secure technology consultancy supporting some of the UK’s most security-conscious organisations. They’re looking for a Senior Software Engineer who enjoys solving meaningful problems, working with modern technology, and building software that genuinely matters. This role offers exposure across the full software lifecycle, from idea to live service, in an environment that values clear thinking, adaptability, and collaboration over rigid process. What you’ll be doing ...

Senior Software Engineer 📍 Location: Onsite, London, United Kingdom ⌛ Type: Full-time 💰 Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We’re scaling rapidly and looking … high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you’ll play a pivotal role in building and scaling our financial operations platform. This is a hands ...

Senior Software Engineer, .Net London Permanent To £95k + bonus + benefits Senior Software Engineer, .NET Remote/London to £95k + bonus + benefits .Net, Back End, Azure, microservices Senior .NET Software Engineer is required by fintech company who provides cutting-edge systems ...

this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. … Lead Software Engineer, you’ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team ...

Cyber Software Engineer - SC/DV/eDV Cleared New Permanent Opportunity for Cyber Software Engineers in London with Security Clearance to work on Mission-Critical, National Security projects Role: Cyber Software Engineer Location: London (hybrid) Clearance: SC, MOD DV or eDV (must be held … eligible) To apply : Email: We are looking for a Cyber Software Engineer to join a team delivering high-assurance cyber capabilities into UK defence and national security environments. This role is focused on operational technology (OT) cyber projects , working close to real systems and real users. ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join … UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience having a direct impact from the get-go. ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

Role: Senior Software Engineer (with DevOps) Location: Remote (with occasional monthly collaboration days) Are you... A software Engineer with 5+ years experience, working with modern programming with one or more programming languages, Python and/or Golang, Java, Ruby, TypeScript etc? Experienced working on cloud platform … meet colleagues or even change if scenery when you like? About: Our client are a "Scale-Up" cloud solutions consultancy, helping customers to optimise Software & Cloud, covering DevOps, DevSecOps, Transformation, Strategy and more. Due to recent successes in the continued commercial strategy, we are now looking to grow ...

Senior Software Engineer - TS, React, Next.js, Node £70,000-85,000 3-4 days p/week in London Would you like the opportunity to work for a fast-growing start-up, currently looking for a Senior Fullstack TypeScript Engineer? You will be joining a dynamic product … team, where you will be building great software and diving into the world of AI. The company is committed to providing a seamless experience for both customers and internal teams. You will work within a unified codebase that drives their B2B software and custom AI. As a Senior ...

Senior Embedded Software Engineer Salary : Up to £100,000 Location : London - 3 days a week We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting … users with seamless, intelligent technology solutions. We are looking for a modern, innovative and driven Senior Embedded Software Engineer to join their growing team. They are looking for someone who has commercial experience working with C software development in an IoT, hardware or embedded solutions environment ...

Contract Software Engineer - Enhanced DV Cleared New Contract Opportunity for a Software Engineer with Data experience in London with eDV Clearance New contract opportunity to work on operational projects across the National Security domain Enhanced DV Clearance required for high-side IT access London based … dominic./About Join a leading consultancy delivering innovative and secure technology solutions across highly operational national security projects . We're seeking a Software Engineer to support and enhance critical systems within a dynamic, high-performing team. You'll work across development and DevOps activities, supporting complex ...

Title: IOS Software Engineer Location: Stratford London UK (4 days onsite in office/1 day from home - mandatory office days) Rate: £ph Umbrella Co Basis (Inside IR35) Employment Type: Contract (31.12.26) Hours: Standard 37.5 Hours Per Week The Opportunity The Mobile App Engineering department within Connected Vehicle … Software brings together the people, skills, tools, and methods to create world-class software products. We are a highly motivated, customer-focused launch team creating apps such as the app for retail customers, and Telematics Drive for commercial customers. We are looking for a Senior iOS Software ...

month contract for a C++ Linux Software Engineer. Inside IR35, 2 days from home after an initial period getting to grips with the project. Contract Software Engineer essential skills - Strong C++ on Linux Significant embedded software engineer experience Desirable skills Build environment OpenEmbedded, Bitbake, Makefiles … Networking - UDP, TCP/IP, Analysis tools (e.g Wireshark) Linux Kernel and CLI tools BASH scripting Python Real-time multi-threaded software concepts U-Boot Wt web GUI library familiarity ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Position : Contract C++ Linux Software Engineer Location : Wimbledon, London ...

Join Our Client's Innovative Team as a Software Engineer (DevOps)! Are you ready to take your software engineering skills to the next level in the dynamic banking industry? Our client is on the lookout for a talented Software Engineer (DevOps) to help shape … have a passion for automating processes, and are eager to mentor others, we want to hear from you! What You'll Do: As a Software Engineer (DevOps), you'll be at the forefront of transforming our client's development practices. Your responsibilities will include: Coding & Testing: Design ...

REMOTE Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management … System Portfolio Golang Go Java AWS Kafka) required by our trading software client in London. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent Golang Experience building Front Office trading systems (portfolio management, execution or order management ...

experienced software engineer, familiar with Azure, Python Or Typescript and Mongo/Atlas? Are you looking for a rare and exciting permanent software engineer lead role with a rapidly expanding SaaS business who are offering equity and the opportunity to build your own team? Our client … looking for an experienced software engineer who is looking for the next step in their career or has experience of building or leading a software engineering team. Whilst the role is remote working, the client is initially looking for someone to be based within a commutable distance ...

experienced software engineer, familiar with Azure, Python Or Typescript and Mongo/Atlas? Are you looking for a rare and exciting permanent software engineer lead role with a rapidly expanding SaaS business who are offering equity and the opportunity to build your own team? Our client … looking for an experienced software engineer who is looking for the next step in their career or has experience of building or leading a software engineering team. Whilst the role is remote working, the client is initially looking for someone to be based within a commutable distance ...