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    Lead Backend Engineer AI

    🚀 Why Midnite?Midnite is a next-generation sports betting and gaming platform built for a new wave of players.We combine sharp product thinking, bold brand, and fast execution to create experiences that feel modern, intuitive, and built for how people actually play today. ...

    .NET Backend Lead Engineer

    We are the tech company behind the media and sporting moments that matter.Over four decades, Deltatre has grown to employ more than 1,000 experts worldwide.We're trusted by the biggest broadcasters, telcos, media companies, sport governing bodies, leagues, and federations.<p ...

    .NET Backend Lead Engineer

    We are the tech company behind the media and sporting moments that matter.Over four decades, Deltatre has grown to employ more than 1,000 experts worldwide.We're trusted by the biggest broadcasters, telcos, media companies, sport governing bodies, leagues, and federations.<p ...

    Senior Backend Software Engineer

    Our Mission 🚀Bud's mission is simple. We're here to create the world’s most compelling financial data products. The products we're building are used by some of the world's most prestigious institutions to help millions of their customers take control of their finances. <p ...

    Senior Backend Java Engineer

    Senior Backend Java Engineer Rate: £500 - £575 a day pay inside Location: Remote, with expectations to attend onsite meetings when required (1-2 a month) Duration: 6 months+ We are looking for a hands‑on Senior Backend Java Engineer with recent experience building, t ...

    Lead Backend Engineer AI

    The Role Title: Lead Backend Engineer (AI & Back Office) Team: AI & Back Office Location: Remote UK This role will play a central part in how Midnite scales internal operations and defines the practical use of AI across engineering and the wider business. You’ll lead the b ...

    Senior Backend Engineer: Build Scalable APIs & Microservices

    Burns Sheehan is looking for a Senior Backend Engineer for a rapidly scaling iGaming platform in the United Kingdom. This role involves owning the APIs and contributing to systems architecture while migrating from a Python monolith to resilient services. Ideal candidates have strong experience in backend enginee ...

    Senior Backend Engineer, AI Studio Scale & Impact

    NexGen Cloud is looking for a Senior Software Engineer to join the AI Studio team. You will design and build backend services, APIs, and user-facing features in a role that actively influences the platform's evolution. The ideal candidate will have strong experience in production backend systems, proficiency in ...

    Software Engineer

    Most backend systems look fine on paper until they hit production. This role is about building services that actually work at scale, under real user demand. Why This Role Leading major media/streaming end client Real production impact from day one <li ...

    Senior Backend Engineer Casino UX at Midnite

    Job Title: Senior Backend Engineer - Casino UX Company Description: Midnite - Series C betting platform backed by $75M+ from Raine Group and Makers Fund. Join the Casino UX team to build the high-concurrency backend systems powering a modern betting experience. You will desi ...

    Senior Backend Engineer Casino UX at Midnite

    Job Title Senior Backend Engineer - Casino UX Company Description Midnite - Series C betting platform backed by $75M+ from Raine Group and Makers Fund. Job Description Join the Casino UX team to build the high-concurrency backend systems powering a modern betti ...

    Senior Software Engineer

    Get AI-powered advice on this job and more exclusive features. This range is provided by Rise Technical. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Rise Technical Softwar ...

    Backend Engineer, Business Experience

    Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With ,+ active communities and approximately M+ daily active uni ...

    Backend Engineer, Business Experience

    Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With ,+ active communities and approximately M+ daily active uni ...

    Senior Backend Engineer ClickStack

    About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast‑growing private cloud companies. With more than 3,000 customers and ARR that has grown over 250 percent year over year, ClickHouse leads the market in real‑time analytics, data warehou ...

    Software Engineer (Backend) TennisViz

    Get AI-powered advice on this job and more exclusive features. TennisViz is part of the Ellipse Group and is the world leader in using algorithmic software to process player and ball tracking data to create ground-breaking analysis in real time. Our unique automated software captures every shot, sit ...

    Senior Backend Engineer (Node.js)

    About the Company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers focused on coding, product and data. These are the three pillars on which we want to build a strong tech cu ...

    Software Engineer

    This team is building an AI Operating System that autonomously runs entire companies - every revenue motion, every product decision, every operational function - with compounding intelligence across all of them. The core insight: truly consequential AI requires context no outside vendor can access. ...

    Software Developer

    Description We are seeking a highly experienced Senior Java Developer to join our engineering team. In this role, you will lead the design and development of robust, scalable backend systems using Java and modern frameworks. You’ll play a key part in architectural decisions, mentor junior develop ...

    Lead Python Engineer – Social Media Scale Up

    Job Description The Role As a senior / Lead python engineer you will join this business at the early stages of a greenfield platform build. You will work closely with the director of engineering and product to deliver a highly scalable backend of a next generation social med ...

    Senior AWS Backend Engineer — Remote/Hybrid, API First

    An international technology company is seeking a Senior AWS Backend Engineer to design and deliver backend solutions using AWS. Ideal candidates have extensive experience in Python, C#, and C++, and a formal background in statistics or mathematics. Responsibilities include architecting solutions, collaborating w ...

    Senior Backend Engineer — Architect Scalable Microservices

    A leading global marketing firm in the UK is seeking a Senior Backend Engineer to lead the design and development of backend systems across OneSuite. This hands-on role requires expertise in Python and modern development patterns. The ideal candidate will collaborate cross-functionally to ensure systems are scal ...

    Senior Backend Engineer — Architect Scalable Microservices

    A leading global marketing company is seeking a Senior Backend Engineer to design and develop scalable backend systems for their unified marketing platform. This hands-on role requires strong expertise in Python and modern development patterns, with a focus on performance, reliability, and observability. You wil ...

    Senior TypeScript Backend Software Engineer in London Engineering Employment

    Senior TypeScript Backend Software Engineer London, United Kingdom Posted 3 months ago Skills Typescript expert with AWS including AWS Lambda, Kinesis and EventBridge. AWS CDK2 Python knowledge Confluence and JIRA Role < ...

    Backend Engineer — AI Platform, Hybrid London + Equity

    A leading AI technology company in Greater London is seeking passionate Backend Engineers. This role involves developing core systems for their innovative products. Candidates should have proficiency in backend languages like Python and a strong understanding of APIs and databases. The ideal candidate will excel ...

    Senior Backend Engineer — Hybrid, Equity & APIs

    A leading AI platform for debt markets seeks a Senior Backend Engineer to join their Structured Credit team. You will lead projects, mentor junior developers, and enhance the backend services for a cutting-edge CLO product. A strong background in Python and API development is essential. The role offers competiti ...

    Senior Backend Engineer Greenfield Real Time Hospitality

    A global technology company is seeking a talented Backend Software Engineer to join their team based in London. The successful candidate will design and develop high-performance backend systems for the hospitality-tech industry. This is a great opportunity to work on greenfield projects and collaborate with cros ...

    Senior Backend Engineer Scalable Messaging Platform

    hackajob is seeking a Backend Engineer to join their Account Communications team in Greater London. The role involves enhancing customer communications through diverse channels while ensuring system reliability and scalability. Candidates should be proficient in backend programming languages like Java, Kotlin, P ...

    Senior Mobile Cloud Backend Engineer

    A leading streaming platform is looking for a Senior Software Engineer (Backend) in Manchester. The role involves designing scalable backend services, maintaining robust APIs, and working collaboratively across teams. Ideal candidates will have experience with Java, Python, Docker, Kubernetes, and a degree in co ...

    Staff AI Backend Engineer — London, Equity

    A leading software company in London is seeking a Staff Software Engineer to build backend infrastructure for advanced AI systems. The ideal candidate has strong expertise in Python and modern backend frameworks, with a solid understanding of PostgreSQL, RESTful APIs, and microservices. This role requires collab ...

    Senior Backend Engineer — Scalable APIs & Systems

    A leading marketing firm in Greater London seeks a Senior Backend Engineer to design and develop scalable backend systems. You will write production-grade code, solve distributed systems challenges, and collaborate with cross-functional teams. The ideal candidate has expertise in Python and frameworks like FastA ...

    Backend Engineer, Global Shared Finances

    Wise, a global technology company, is seeking a Backend Engineer for their Account Sharing team. The role focuses on designing and building new products in shared finances, including international joint accounts. Ideal candidates should be proficient in backend programming languages like Java, Kotlin, and Python ...

    Senior Backend Engineer — Casino UX (Remote, UK)

    A gaming technology company is seeking a Senior Backend Engineer to join their Casino UX team. This remote role involves building and maintaining backend systems, developing APIs, and ensuring high engineering standards. Candidates need 5+ years of experience, strong Python skills, and the ability to work in a f ...

    Senior Data Backend Engineer, Search Quality

    Yelp is seeking a data-oriented backend engineer based in Edinburgh, Scotland, to build and improve backend systems for their Search platforms. You will work with various teams to support prototyping and testing for a smarter search experience. The role requires fluency in Python or Java, experience with SQL/NoS ...

    Software Engineer

    Software Engineer Contract to Permanent Hybrid (London) Rates negotiable The following information aims to provide potential candidates with a better understanding of the requirements for this role. ...

    Senior Java Developer

    Senior Java Developer – Full Stack Java, AWS, Angular / React Location: Leeds (Hybrid – 3 Days Per Week) Salary: £70,000–£75,000 + 10% Bonus Terms: Permanent A well-establish ...

    Senior Platform & DevOps Engineer – Kubernetes & BFF

    A leading technology firm in the United Kingdom is seeking a Senior Engineer to work on platform, infrastructure, and DevOps. This role requires strong backend engineering skills and hands-on experience with Kubernetes. The ideal candidate will design and implement a backend-for-frontend layer and develop mainta ...

    Software Engineer II Navigation & Traffic (Remote)

    Mapbox Inc. is hiring a Software Development Engineer II for their Navigation, Traffic team. You will develop backend services for navigation, ensuring rapid development while maintaining reliability. Key requirements include 5+ years of experience with high-volume backend systems, proficiency in Python and Type ...

    Senior C++ Developer Low Latency Learn Rust

    Senior C++ Developer / Engineer (C++ Rust Low Latency Trading) London / WFH to £180k+ Are you a Senior C++ Developer to progress your career and transfer your skills to Rust? You could be joining a hugely profitable High Frequency Trading firm that specialise in crypto markets and ...

    Software Engineer, Developer Experience (Platform)

    The Opportunity At UserTesting, the Developer Experience (DX) team builds products for engineers . Our mission is to make software delivery faster, safer, and more scalable by creating the platforms, workflows, and paved roads engineers rely on every day. We operate with a ...

    Staff Software Engineer (£200k | TS & Go | AI)

    We’re working with an early-stage technology company building a new platform at the intersection of software infrastructure and modern AI-enabled development. The team is focused on creating tools that make it significantly easier for developers and organisations to build, ship, and operate complex systems ...

    C# .Net Developer B2C Web & Payment Gateways

    Role Overview Newly created Senior .Net Software Developer position based in Central London. Salary: £90,000. This role requires 5 days a week in the Oxford Street area of Central London. Key Responsibilities Design and implement backend solutions for internal and customer-based ...

    PHP Developer

    Overview Inspirec has partnered with a dynamic and innovative leader in the technology industry, who are seeking a highly motivated Software Developer (.NET Core) to join their team on a contract basis. As a cutting-edge provider of app development, cyber security, and cloud services, they ...

    Senior/Staff Backend Compiler Engineer — Remote (Europe)

    An innovative AI platform company is seeking a Senior/Staff Backend Compiler Engineer to enhance their domain-specific language and optimize compiler performance. You will be responsible for backend compiler optimizations and collaborating with a talented team across Europe. The ideal candidate has a Master’s or ...

    Senior Full Stack Engineer

    Pioneering B2B SaaS Web Accessibility AppSenior Full Stack EngineerAngular, .Net, C#, SQL, Python, Azure About EnableAll We’re on a mission to make the web more accessible to people with disabilities and neurodiversities. Our AI-powered platform helps eCommerce bus ...

    Senior/Lead Backend Engineer

    In this role you will work closely within product to build the core digital infrastructure for a next-generation energy company. You will use your experience to engineer backend infrastructure that is second-to-none. You'll be working across the back-end: Constructing a real-time digital ...

    Senior Backend Engineer UK

    Eequ is a marketplace and booking platform for learning experiences outside traditional schools and universities. Providers use Eequ to list activities, take bookings and payments, and manage their programmes. We are the market-leading supplier to local authorities in the UK for council-funded progr ...

    Backend Engineer Marketing Technology

    Join Proton and build a better internet where privacy is the default. Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, P ...

    Senior Software Engineer | Backend

    Apron is focused on helping small and medium businesses succeed. The biggest threat to small business is cash flow, often stemming from a gap between the demand payments put on owners and the aptitude to make the payments effectively. We are closing the gap by digitising and simplifying the payments proces ...

    Senior Software Engineer (Backend)

    Join to apply for the Senior Software Engineer (Backend) role at Lloyds Banking Group Base pay range Salary: £70,929 - £86,691. Location(s): Edinburgh, Bristol, Halifax, Leeds & Chester. Hours: Full-time - 35 hours per week. Working pattern: Hybrid - 40% (or two days) in o ...

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      Backend Developer Python Nodejs Jobs in United Kingdom Job Search Guide, Trends and Insights