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    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: 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 in Gillingham Henry Schein One

    We are Hiring Problem Solvers for our Global Expansion We are currently looking for individuals who can help us expand the utilization of Dentally around the world. If you are a problem solver and are eager to join our team, we would love to hear from you. Our Technology Stack < ...

    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 C#, .NET, React | Hybrid Growth

    A Global Commodities Brokerage in the City of London seeks a Senior C#, .NET Software Engineer to join their front office team. This pivotal role involves immediate contributions to the design, coding, and testing of modern web applications, and requires excellent knowledge of C#, .NET, and React. The position o ...

    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 — Scale Real Time Booking Platform

    A leading property technology company in Birmingham is hiring a Senior Software Engineer to design and build scalable services for bookings and payments. This role involves high autonomy and impact, offering the chance to work on innovative automation projects. Ideal candidates will have strong experience with N ...

    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, 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, ...

    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 – End to End Energy Tech

    A leading energy tech company in Greater London is seeking a Software Engineer to join an elite team focused on building the future of home energy management. You will take full ownership of your code, from design to deployment, working with technologies such as Node.js, TypeScript, and React. The role offers au ...

    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 ...

    Senior Software Engineer: RFP Automation with ERP/SAP

    TEKsystems is looking for a Software Engineer to partner with a product owner to automate the Request for Proposal process. You'll design and deliver a robust solution using React, Node.js, and TypeScript, while integrating with ERP and SAP systems. The ideal candidate should have strong experience wit ...

    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 ...

    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 Principal Software Engineer, AI Agents (Dublin, Ireland)

    This hybrid role is based in Dublin, Ireland (Full relocation provided). Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. Your mission is to driv ...

    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 ...

    Senior Software Engineer Lasernet Platform in Nottingham Formpipe

    Working Environment Many employees face constant and often lengthy commutes. For those who prefer, our offices provide fantastic social and collaborative spaces. Here, you can be around others, spark your creativity, and work in warm and welcoming environments. Our spaces include amenities like f ...

    Staff Software Engineer AI First Startup, Equity/Benefits

    Alecto is seeking a Staff or Senior Product Engineer to help shape the direction of AI-native law firm technologies. This role involves working in a fast-paced environment, defining product requirements, and building AI systems. Ideal candidates have experience in early-stage startups, a strong focus o ...

    Senior C# .NET Software Engineer — Hybrid & Growth‑Oriented

    Leonardo in Luton is seeking a talented Software Engineer to enhance their team. The ideal candidate has around 4 years of experience in C# .NET and a passion for continuous learning. Responsibilities include delivering reliable software solutions and participating in an Agile environment. The position ...

    Staff Software Engineer AI Driven Fintech New Products

    Airwallex, based in Greater London, is seeking a skilled software engineer to lead innovation in fintech AI, driving high-level strategic visions into market-ready products. Candidates should have extensive experience in backend systems and the ability to communicate technical trade-offs effectively. T ...

    Industrial Controls Engineer: PLC/HMI Software, Onsite Travel

    VINCI is seeking a Software Controls Engineer to join Actemium Automation in Warrington. This role involves hands-on engineering work on industrial automation projects across various sectors. You'll be responsible for PLC programming, control system integration, and providing technical support to project team ...

    Senior Software Engineer — Cloud Native, Secure (SC/DV)

    慨正橡扯 in Cheltenham is looking for Senior and Principal Engineers to design and build secure digital products for public sector organisations. This role emphasizes shaping systems, guiding engineering standards, and solving complex problems in collaboration with capable teams. Successful applicants will ...

    Senior Software Engineer, Core Experiences Manchester, 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 at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. ...

    Senior Software Engineer – AI for Healthcare Admin Tools

    Dyad AI, located in Greater London, is looking for a Senior Software Engineer to join our team during a rapid growth stage. The successful candidate will play a crucial role in developing BetterLetter, our AI tool designed to help practices reduce the administrative burden associated with clinical letter proc ...

    Embedded Software Engineer (Bare Metal / Device Driver Development)

    Overview Expleo are seeking an experienced Embedded Software Engineer to support the delivery of a software engineering work package for ongoing vehicle intercom development. The role focuses on developing low-level peripheral drivers and system software for an embedded platform based on the NXP ...

    Defence Software Engineer — Hybrid Role, SC Clearance Eligible

    CBSbutler Holdings Limited trading as CBSbutler is seeking a Software Engineer to join their defence and national security consultancy. The role involves software design, implementation, and testing within an agile team. Candidates should have a relevant engineering or computer science degree and experience i ...

    Senior Staff Software Engineer Risk Assessment Platform, Servicing

    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, W ...

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