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    High Performance Software Engineer, R&D for Trading

    A leading global trading firm in Greater London is seeking Software Engineers to join its R&D team. The successful candidates will work on designing and delivering both software and hardware solutions that impact trading performance. Responsibilities include identifying performance improvements within automated ...

    Solana PERP DEX: Superis Labs Software Engineer, Backend

    Superis Labs is building a high-performance perpetual futures DEX on Solana. The first production MVP is underway, and early team members will define core architecture and protocol design. The company is fully backed by Ergonia, a crypto-native market-making firm and venture builder with deep exper ...

    Global Banking & Markets Software Engineer Vice President London

    The Opportunity Goldman Sachs has embarked on one of its most ambitious engineering programs: the Consolidated Trade Ledger (CTL) , a ground‑up reimagining of the front‑to‑back architecture that underpins every trade the firm executes. CTL is a flagship initiative jointly sponsored by Glob ...

    Senior AI Software Engineer — Generative AI for Insurance

    A leading consultancy firm in Greater London is seeking a Manager / Senior Manager to join their AI & Modelling team. You will be responsible for designing and delivering AI-enabled solutions in the insurance sector, working collaboratively with technical teams. Ideal candidates will have strong experience in te ...

    Global Banking & Markets Software Engineer Vice President London

    The Opportunity Goldman Sachs has embarked on one of its most ambitious engineering programs: the Consolidated Trade Ledger (CTL) , a ground‑up reimagining of the front‑to‑back architecture that underpins every trade the firm executes. CTL is a flagship initiative jointly sponsored by Glob ...

    Sr Software Engineer II, Payments Platform Treasury & FX

    A global payments technology company based in London is looking for a Senior Software Engineer II to enhance their core payments platform. The role involves optimizing payment processing and designing scalable code while collaborating with cross-functional teams. Ideal candidates have 8+ years in software engine ...

    Senior Desktop Software Engineer Rust/C++ Cross Platform

    Requirements We expect you to be customer-centric, continuous learner, passionate about technology and usability ,You are adept at turning technical complexities into seamless user experiences ,Experience: Significant, relevant professional software development experience wi ...

    Senior Software Engineer / Reliability Engineering Real time Data

    Senior Software Engineer / Reliability Engineering - Real-time Data Location: London Business Area: Engineering and CTO Ref #: Description & Requirements Our department is responsible for efficiently distributing financial data from its source to interested users ...

    Senior Software Engineer — AI Driven, High Impact IC

    A leading fintech company in Greater London is looking for a highly motivated engineer to enhance product quality and delivery efficiency. You will play a pivotal role in adopting AI-driven development tools and improving coding standards. With a focus on ethical finance, you will work closely with product teams ...

    Senior Software Engineer AI Driven Security Platform (Remote)

    A cybersecurity firm is seeking a Senior Software Engineer located in London. This role focuses on leading technical projects and collaborating with cross-functional teams to develop innovative solutions in offensive security. The ideal candidate has over 5 years of experience in full-stack software engineering, ...

    Senior Software Engineer: Real Time Routing & ML Systems

    A fast-growing logistics startup in London seeks a Software Engineer to tackle challenging problems and collaborate with experienced professionals. The role involves impactful work from optimizing operational tools to developing scalable applications. This company offers competitive compensation, generous equity ...

    Senior Staff Software Engineer — AI Driven 3D Geometry

    Fyous is looking for a skilled software engineer with deep experience in C++ or Rust to take ownership of their Pinpoint system, essential for their innovative manufacturing technology. This role requires a strong background in computational geometry and mesh processing, as well as experience shipping reliabl ...

    Senior Software Engineer Architecture Lead (C#, WPF, Azure)

    A leading recruitment agency is seeking a Senior Software Engineer in Taunton. The ideal candidate will take ownership of software architecture and development using C# and WPF while working closely with multidisciplinary teams in a hybrid working environment. Responsibilities include designing, developing, and ...

    Senior Software Engineer, Unified Platform Analytics Middle Office

    DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our o ...

    Senior Software Engineer — Build High Impact Web Platforms

    Europython is seeking a Senior Developer for multiple locations including London, Barcelona, Edinburgh, and Berlin. The candidate will need extensive experience in building technically complex products across various web programming languages. They should have a passion for quality, efficiency, and a commitment ...

    Senior Embedded Software Engineer (C/C++/ADA) Defence

    A leading defence technology company in Stevenage is seeking a Senior Software Engineer skilled in C, C++, or ADA. The role involves working in an advanced defence technology team, creating reliable software, and solving complex challenges. Ideal candidates will have a flexible mindset and experience with time-s ...

    Senior Software Engineer Build a Trading Exchange (Go)

    A technology firm specializing in sports trading is seeking a Senior Software Engineer to join their team in London. As an early engineer, you will work closely with the CTO on building mission-critical distributed systems for their exchange platform. Candidates should have a strong technical background, includi ...

    Senior Software Engineer: Real Time Routing & ML Systems

    A fast-growing logistics company in Greater London is seeking a Software Engineer to tackle complex problems in routing and optimization. The role emphasizes collaboration with a talented team, regular code deployment, and significant impact on e-commerce platforms. Benefits include generous equity, comprehensiv ...

    Senior Software Engineer AI Driver Testing & CI/CD

    Graphcore is seeking an experienced engineer to validate Linux kernel and device drivers in Cambridge. You will build and deliver tests for complex driver features, maintain CI/CD pipelines, and contribute to technical discussions. The ideal candidate has over 5 years of experience in the industry, pro ...

    Senior Software Engineer – On Site, Travel Ready, Impactful

    Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Opencast consultants deli ...

    Senior Software Engineer – .NET/C#, Azure, Onsite Cranfield

    A start-up/scale-up company in the Travel/Events industry is seeking a Mid-Senior level developer to join their team. You will work on a platform that helps companies organize and plan events, ensuring processes and communication are streamlined. Applicants should have excellent experience with .NET & C#, includ ...

    Senior Software Engineer — Remote, .NET/C#, TS & Mentorship

    A fast-growing tech start-up in Manchester is seeking a Senior Software Engineer to design and build high-quality, scalable software while mentoring junior developers. This role offers real progression in a high-growth business, with the flexibility to work remotely (only 1 day/month in the Manchester office). I ...

    Senior Software Engineer C++, SDLC, Mentorship, On site

    Premier Group is seeking a Senior Software Engineer to join their Enfield team. This role involves taking ownership of the software development lifecycle, developing innovative products, and mentoring junior engineers. Candidates should have strong C++ skills and experience across the full Software Development L ...

    Senior Software Engineer — AI‑driven, high‑impact systems

    Amodo Design, a Sheffield-based startup, is seeking an engineer with a strong background in frontend and/or backend development. Successful candidates will design and develop innovative solutions alongside a multidisciplinary team, using languages such as CPP, JS, TypeScript, and Python. The role requires a mini ...

    Senior Software Engineer, Core Exp Cross Platform SDK

    Speechify in Leeds is seeking a Senior Software Engineer to enhance our Core Experiences Team. In this role, you will collaborate across product teams to optimize our services and build innovative solutions using Kotlin. We prioritize a fast-paced environment conducive to creativity and growth. The ide ...

    Senior Software Engineer, Content Agent Full Stack & AI

    A pioneering content technology firm in Greater London is looking for a Senior Engineer for their Content Agent. In this role, you'll engage in full-stack product work using TypeScript and React, contributing to the development of AI-powered systems that handle structured content. You’ll collaborate closely with ...

    Senior Software Engineer Job in UK 2026 | Duffel

    Senior Software Engineer Job in UK 2026 | Duffel Senior Software Engineer Job in UK 2026 | Duffel Duffel, one of Europe’s most exciting travel technology companies, is hiring a Senior Software Engineer in London, United Kingdom, for 2026, with Skilled Worker visa sponsorship available for qu ...

    Senior Software Engineer, Content Agent — AI Powered Ops

    A tech company specializing in content operations seeks a Senior Engineer for their Content Agent product. This role involves full-stack product work, primarily using TypeScript and React to design system interfaces, develop tools, and run experiments. The ideal candidate has experience with LLM-based systems an ...

    Software Engineer, Modelling (Mid/ Senior) in London Runna

    We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. To date we have built ...

    Senior Software Engineer – AI Driven, Secure Cloud Apps

    Assystem GmbH is seeking a Senior Software Engineer to join their Digital Excellence Centre in Bristol, UK. You'll design, build, and support secure, maintainable software products that improve decision-making and delivery. Ideal candidates will have over 8 years of experience, familiarity with various ...

    Senior Software Engineer, Core Experiences Newcastle, United Kingdom

    Senior Software Engineer, Core Experiences - Newcastle, United Kingdom Newcastle, United Kingdom Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it ...

    Senior Software Engineer I Wise for Enterprise Banks

    Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, ...

    Lead C++/Rust Software Engineer — AI and Linux

    Senior Software Engineer - C++ and Rust - is required by highly successful and fast growing technology consultancy. They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments. The role They are loo ...

    Senior Software Engineer / Reliability Engineering Real time Data

    Senior Software Engineer / Reliability Engineering - Real-time Data Location London Business Area Engineering and CTO Ref # Description & Requirements Our department is responsible for efficiently distributing financial data from its source to int ...

    Senior Software Engineer — Hybrid, Build Secure APIs & Apps

    Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security ...

    3D Graphics Software Engineer II (C++, OpenGL/Vulkan)

    A leading location platform provider is seeking a Software Development Engineer II, specializing in 3D graphics, to enhance their open source map rendering engines. The ideal candidate will have strong skills in C++, JavaScript/TypeScript, and graphics programming, with a passion for solving technical challenges ...

    Senior Software Engineer for Global Expansion & SPA Apps

    WorksHub is seeking talented problem solvers to join our team and help expand the global utilization of Dentally. Ideal candidates should be proficient in developing web applications with an object-oriented language, preferably Ruby, and have a strong grasp of Ruby on Rails, JavaScript, HTML, and CSS. ...

    Senior Software Engineer, Core Platform — Secure AI & RBAC

    A leading deep-tech company is seeking a Senior Software Engineer to join their Core Services team in London. The ideal candidate will be responsible for building foundational systems for an AI-driven simulation software platform. Responsibilities include designing authentication systems, implementing access con ...

    Senior Software Engineer: AI Driven, Scala & Kafka Lead

    A technology firm specializing in betting solutions is seeking a Senior Software Engineer to join their London-based team. The role involves leading the design of scalable systems and requires strong expertise in Scala and familiarity with tools like Kafka. The successful candidate will work in a hybrid environm ...

    Senior Software Engineer — Global Travel API (Hybrid UK)

    A leading travel technology company in London is seeking a Senior Software Engineer to design and build scalable APIs and backend systems. This role involves developing robust systems that connect multiple travel providers, while focusing on code quality and collaboration. The ideal candidate should have strong ...

    Senior Embedded Software Engineer Real Time, Safety Critical

    QinetiQ Limited is seeking a Senior Embedded Software Engineer for their Ashford site in the UK. This role involves developing embedded software, focusing on real-time systems. Responsibilities include designing, implementing, and testing software while providing mentoring to junior engineers. Candidates should ...

    Embedded Ada Software Engineer – Real Time & Leadership Growth

    A global leader in Aerospace and Defence is looking for talented Software Engineers based in Luton. The role focuses on delivering high-quality embedded software in real-time systems while collaborating closely with other engineering teams. Candidates should possess proven experience in embedded software develop ...

    Degree Apprenticeship BSc Digital Technology Solutions Software Engineer

    Degree Apprenticeship - BSc Digital Technology Solutions - Software Engineer (in Partnership with University of Exeter) About Shield Reply: Shield Reply is specialists in the Defence and Security sector, driving technology-led transformational change with the design, delivery and manage ...

    Lead Backend Software Engineer C# .Net Azure SaaS

    Lead Backend Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100k Are you a backend focussed C# technologist with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game chang ...

    C#.NET Cloud Software Engineer – CI/CD & IaC

    DFDS UK & Ireland in Grimsby is looking for a skilled Software Engineer to design and develop high-performing software solutions. This role involves utilizing C#.NET and cloud-native technologies within an Agile team, managing infrastructure as code, and optimizing CI/CD pipelines. Candidates should have a stron ...

    Software Engineer – Commercial Modification (Associate or Experienced level)

    Job Description At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The team ...

    Software Engineer – Commercial Modification (Associate or Experienced level)

    Job Description At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The team ...

    Senior Software Engineer / Reliability Engineering Real time Data

    Description & Requirements Our department is responsible for efficiently distributing financial data from its source to interested users all around the world. This includes (for example) stock prices or foreign exchange rates. Data can either be served in response to a request or streamed in real ...

    Senior Software Engineer: AI Driven, Kafka Powered Scala

    A global sports technology provider is seeking a Senior Software Engineer to join their London team. This role involves leading the design and delivery of scalable solutions and transitioning to industry-standard tools like Kafka. Candidates should have strong experience in Scala, familiarity with SQL databases, ...

    Senior ML Software Engineer – AI Systems & Compiler Tech

    ARM in Manchester is seeking a passionate engineer to work on Machine Learning and AI technologies. The role involves developing new features in ML compilation technology and leading projects while mentoring junior team members. Candidates should have strong programming skills in C, C++, and Python and experienc ...

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