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    Ruby on Rails Engineer — Scale a Sports SaaS (Remote/Hybrid)

    A dynamic sports-tech SaaS company based in Northern Ireland is seeking an experienced Software Developer (Ruby on Rails) to shape its engineering culture and architecture. You'll own end-to-end features that deliver real value to sports clubs and their members. This role requires at least 2 years of experience ...

    Senior Angular Frontend Engineer Hybrid/Remote UK

    A bespoke software development firm in the UK is seeking a Frontend Angular Developer with at least 5 years of B2B project experience. This role involves working on specified tasks for websites and applications, testing, and collaborating with DevOps. You must be able to work onsite in Nottingham at least once p ...

    Senior Backend Engineer .NET/Azure, Remote

    A leading technology firm is seeking a Senior Software Developer specializing in backend solutions. This role will involve designing and developing robust backend services and REST APIs using C# and .NET while also engaging with SQL Server and cloud-based solutions in Azure. A strong focus on coding best practic ...

    Java Full Stack Engineer (SC) Remote, Bonus & Pension

    A technology company seeks a Java Developer / Software Engineer in Glasgow, offering a salary up to £80k. The role involves designing and developing features across a full tech stack for defence projects, requiring strong Java skills and familiarity with Spring Boot, microservices, and TDD principles. You can wo ...

    Senior Python Developer for FinTech Data Platform

    A well-established tech house in London is seeking a Python Developer to join their team focused on building innovative software for the finance sector. The ideal candidate will have strong Python and SQL skills, along with experience in REST Microservices and big data tools such as Spark and Kafka. This mid-sen ...

    Java Developer — Scalable Payments & APIs

    A leading international payments company in the UK is seeking a passionate Junior-Mid Java Developer to join their collaborative team. The role focuses on designing, developing, and implementing scalable Java applications while working closely with cross-functional teams. Ideal candidates will have a Bachelor’s ...

    Trading Python Developer | FIX, Hybrid + Growth Path

    A leading technology consultancy in Manchester is looking for a skilled Python Developer with expertise in the trading domain and FIX protocol. In this role, you will develop and maintain trading applications while collaborating with stakeholders to optimize trading systems. The ideal candidate will possess 6+ y ...

    Senior KDB+ Lead Engineer for Real Time Trading

    A leading global financial services firm is seeking a Lead KDB Developer to enhance its trading platform in London. In this role, you will design a scalable KDB ticker plant and improve data processing. You will closely collaborate with trading teams for optimized solutions and lead the development of high-quali ...

    Senior Java Dev & Tech Lead Cloud Native Microservices

    A dynamic technology company in Greater London is seeking a Senior Java Developer to lead the development of scalable, Java-based applications. The role involves architecture design, mentoring junior developers, and collaborating with cross-functional teams to deliver high-quality software solutions. With at lea ...

    Graduate Software Engineer — SaaS, Agile, £50k + Growth

    Capua is looking for a passionate Graduate Developer based in Greater London to join their high-growth SaaS team. This role involves hands-on coding, problem-solving, and collaborating with cross-functional teams to enhance innovative software products. Ideal candidates will hold a Bachelor's degree in Computer ...

    UK based .NET Developer Remote, AI/Cloud

    Noir is seeking a .NET Developer based in Exeter, UK. As part of a rapidly growing team, you will develop innovative software solutions to enhance marketing ROI for clients. Responsibilities include full stack development and collaboration with other teams. The ideal candidate will possess skills in .NET, .NET C ...

    Remote PHP Laravel Vue Engineer Build Scalable Apps

    InterAct Consulting is seeking an experienced PHP Laravel Vue Developer to join their fully remote team in the UK. You will work on modern web applications, collaborating closely with designers and product managers to create reliable, scalable software. Ideal candidates will have strong commercial experience wit ...

    Senior C# Engineer — Own End to End Platform Delivery

    hackajob is seeking a Senior Developer/Engineer for Tombola in Sunderland, UK. In this pivotal role, you will own the software delivery lifecycle, design robust C# solutions, and mentor other developers. A strong background in the .NET ecosystem and proven senior-level C# skills are essential. You will actively ...

    Backend Engineer, B2B APIs & Cloud

    tombola is seeking a Software Developer for their backend team in Sunderland, focusing on building scalable backend services and APIs for external partners. The ideal candidate will have strong C# knowledge, experience with .NET, and familiarity with cloud platforms like AWS. This hybrid role involves 3 days in ...

    Senior Fullstack Engineer Next.js, TypeScript & AI

    Ocean Infinity in Greater London is seeking a Senior Fullstack Developer to design and maintain web applications using Next.js, React, and Node.js. The ideal candidate will have over 5 years of experience in software development, proficiency with TypeScript, and strong understanding of REST API design principles ...

    Hybrid C++/Rust Engineer — Low Latency HFT

    Client Server is seeking a C++ Software Engineer/Developer in London to join a profitable High Frequency Trading firm specializing in crypto markets. In this senior, hands-on role, you will design and develop high throughput backend services for real-time risk, pricing, and trading systems using C++ and Rust. Yo ...

    Senior Backend Engineer: Impactful Cloud & Autonomy Hybrid

    Zaizi is seeking a Senior Software Developer in Greater London to design and develop digital solutions with a focus on user experience and Agile methodologies. Candidates must demonstrate proficiency in Golang, web front end technologies, and work effectively in multi-disciplinary teams. The role offers a compet ...

    Frontend UI Engineer: Design, Performance & Systems

    Barclays is looking for a UI Developer to join their team in Knutsford, England. In this role, you will design, develop, and enhance software that supports business objectives. You should bring experience in modern frontend frameworks, responsive and accessible design, and performance optimization. Your work wil ...

    Senior C# .NET Engineer – FinTech, Hybrid, Up to £90k

    Client Server Ltd. is seeking a Senior C# Developer / Engineer in Reigate with expertise in C# .Net Core and strong technical leadership skills. You will join an Agile team, working on a flagship desktop application for a global Fintech, handling 4 billion requests monthly. The role offers a salary up to £90k, h ...

    On Site Full Stack Engineer — Java/C#, React

    NRG. in Newcastle upon Tyne is seeking a skilled software developer to contribute to digital product development. This fully office-based position requires solid commercial experience in object-oriented programming with languages like Java or C#, and familiarity with modern front-end frameworks such as React, An ...

    Frontend Developer – Next.js, Accessible UI, Production Apps

    London Business School is seeking a Software/Frontend Developer to join our team in Greater London. In this role, you will build and evolve modern, accessible, high-performance digital experiences. Collaborating closely with backend developers and designers, you will turn requirements into well-crafted user inte ...

    Real Time Full‑Stack Engineer (Golang/React) – Hybrid

    hackajob is seeking a Software Developer to work with Bet365 in Manchester, UK. Your role will involve contributing to real-time event-based systems and developing full-stack skills with technologies such as Golang, Typescript, and React. The position offers opportunities for both learning and professional growt ...

    Senior Full Stack Engineer (React/PHP) Lead & Build

    Isio is seeking a Senior Full-Stack Software Developer (React/PHP) based in Birmingham. This hybrid role involves supporting technical excellence, collaborating with teams across the UK and Europe, and overseeing product enhancements. The ideal candidate will have strong proficiency in Typescript, React, along w ...

    LLM/GenAI Full Stack Engineer (Hybrid, Security Cleared)

    A leading defence consultancy is seeking a Full Stack Software Developer for a long-term contract in Farnborough. The role involves developing applications with a focus on LLM and AI technologies. Candidates should have full stack experience along with proficiency in Python, React, and PostgreSQL. The position i ...

    Senior C# .NET Developer for FX Trading Systems

    Jas Gujral is seeking a C# .NET Software Developer in the City of London. The ideal candidate will have 3 to 5 years of experience with C# .NET, including knowledge of FX instruments and financial trading systems. Responsibilities include re-architecting platforms, developing pricing tools, and integrating APIs. ...

    Senior Front Office RAD Developer Rates Desk

    J.P. MORGAN is seeking a Senior RAD Developer in London to enhance trading tools and support front-office operations. Ideal candidates will have a minimum of 5 years' experience in VBA and XLLoop, along with Python skills. Strong understanding of software engineering principles is crucial. This hands-on role off ...

    Remote API Architect for Seamless Integrations

    Edmates International is seeking an API Developer to design, develop, and maintain APIs that enable seamless communication between software applications. The role requires a Bachelor’s degree in Computer Science and expertise in API design, testing, and security. With a growing demand for API Developers, this po ...

    Trading Systems Engineer Greenfield, Low Latency, Remote

    Durlston Partners is seeking a Trading System Developer in London to create a high-performance trading system from scratch. You will be involved in algorithmic development and low-latency coding, working closely with traders, software engineers, and researchers. The role offers flexibility for remote work and a ...

    Lead Software Engineer Hybrid, Azure/.NET Expert & Mentor

    A leading mutual insurance company is seeking a Lead Software Developer to join their Digital area in Edinburgh. The successful candidate will be responsible for designing and developing digital solutions, leading a squad in agile development practices. Expertise in Angular, .Net (C#), and SQL is essential, alon ...

    Lead Cloud Developer Azure SaaS & Full Stack

    Willis Towers Watson in Reigate seeks a Lead Cloud Developer to join its engineering organization focused on developing market-leading InsurTech solutions. The role involves working in agile squads to deliver core functionalities for various SaaS products. You will design new features, lead a scrum team, and ens ...

    Delphi Developer Office Based

    Exciting opportunity for a full-time Delphi Developer in Wigan! Join this established company to showcase your strong programming skills, Delphi expertise, and software development knowledge.Ensure all your application information is up to date and in order before applying for this opportunity.If you ...

    Lead Java Engineer — AI Powered, Data Intense Platform

    London Stock Exchange Group (LSEG) is seeking a Lead Java Developer to build the next generation FTSE Russell Index Platform. In this role, you will lead complex Java and Python projects, drive AI adoption, and enhance systems that underpin global financial market data. The ideal candidate has over 12 years of s ...

    Senior Backend Engineer Golang, Cloud & DevOps

    Zaizi is seeking a Senior Software Developer in Greater London. The role requires strong technology skills in Golang, front-end technologies, and Agile development. Candidates must have experience working in multi-disciplinary teams and be able to demonstrate leadership capabilities. A passion for improving user ...

    Remote Cloud AI API Integrations Expert

    Prolific is looking for a Cloud AI API Integrations Subject Matter Expert to join a remote team in Liverpool. As a software developer or system administrator, you will leverage your experience with AI APIs to participate in a research project, including going through a paid screener and engaging in AI-moderated ...

    Senior Java Full Stack Engineer | Hybrid, AWS & React

    Tcs London Office seeks a Senior Java Full Stack Developer in London. This hybrid role involves building and evolving applications on a Java-first stack, including Spring Boot, React/Next.js, and AWS. You'll execute full-stack features, ensure secure integrations, and enhance CI/CD. Candidates should have strong ...

    Senior C# .NET Core Backend Engineer — Newcastle

    Client Server is seeking a Senior C# Developer / Backend Software Engineer to join their new offices in Newcastle upon Tyne. The role offers a competitive salary of up to £130k and a supportive team atmosphere. Candidates should have a minimum 2.1 BSc in Computer Science, with expertise in modern C#.Net. This is ...

    Senior Python Backend Engineer AI Sports Analytics

    Explore Group is partnering with a scaling start-up to hire an experienced Python Developer in Greater London. This role involves designing and building innovative products, shaping architecture, and contributing to technical decisions. The ideal candidate has over 4 years of experience in software development, ...

    Backend Software Engineer Python & Data R&D

    Client Server is looking for a Backend Software Engineer / Developer in Cambridge to work on cutting-edge medical technology projects. The role involves solving complex problems like image processing and machine learning using Python. Candidates should have experience with Python and backend systems, as well as ...

    Senior Windows Desktop Architect & Lead Engineer

    Clutch Canada is seeking a skilled Windows Application Developer in Oxford to lead the design and development of native Windows desktop applications. The ideal candidate will have over 3 years of experience with Windows App SDK, a strong grasp of software engineering principles, and a commitment to building acce ...

    Azure & .NET Cloud Engineer – Build Scalable Solutions

    Proactive.IT Appointments Limited is searching for an experienced Software Developer specializing in Azure and .NET to build scalable cloud solutions. This role is based in Portsmouth with a hybrid model of 2 days on-site. The candidate should have 5+ years of experience in relevant technologies, including C#, a ...

    Risk Engine Developer Python, Data & Cloud

    A financial services company in Greater London is seeking a Software Developer to join its Risk Engines team. The role entails enhancing key Risk Engines and integrating applications while utilizing full-stack Python development and cloud technologies such as AWS. Candidates should possess strong skills in numer ...

    Platform Engineer (PHP) for Health Tech & APIs

    A public health technology company based in Melton is seeking a software developer (hybrid role) to solve complex problems in public health. You will design, develop, and maintain scalable applications, collaborate with various stakeholders, and ensure high code quality. The ideal candidate will have expertise i ...

    Remote C# .NET Engineer — Modernize a SaaS Platform & SQL

    Big Red Recruitment is looking for a Software Developer based in the UK to join a fully remote engineering team. This role involves modernizing a SaaS platform within the food and beverage industry, migrating legacy applications to .Net Core. The ideal candidate will have 3-5 years of C#.Net experience and stron ...

    Senior Software Engineer – Property Based Testing (London)

    Antithesis Operations LLC is seeking a developer based in London to help build ‘Hegel’, an innovative set of property-based testing libraries. The role requires experience with property-based testing and familiarity with Python and Rust. This in-office position values collaboration and high engineering standards ...

    Staff Platform Engineer

    Salary: £70,000 – £100,000 + equity Location: Hybrid, London — 2 days per week in the office Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application.Build the plat ...

    Staff Platform Engineer

    Salary: £70,000 – £100,000 + equity Location: Hybrid, London — 2 days per week in the office Build the platform behind nature intelligence. The world is facing a nature crisis. We have lost 85% of the world’s wetlands, 35% o ...

    Senior Software Architect .Net

    Software Architect - .NET Contract - 12 months Hybrid - Belfast Rate - Outside IR35 Are you ready to make a significant impact in the payments technology space? This contract role offers a unique opportunity to shape the future of ...

    Software Engineer Olo Network

    Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every guest ...

    Director of Software Engineering

    Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Hayward Hawk Tech Specialist | Principal Recruitment Consultant | | Director of Software Engineering Remote NI The Role </str ...

    Sr. Software Engineer, Frontend

    Who We Are At Firstup, our mission is to improve the employee experience at every moment that matters, large and small. As the communication pipeline for the world's workforce, we now serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily. Our ...

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      Software Developer Pythonfocused Jobs in United Kingdom Job Search Guide, Trends and Insights