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    Front Office Proximity Developer C#/.NET (Commodities)

    United States Digital Space LLC in the Greater London area is seeking a skilled C#/.NET developer to design and support user software applications tailored to the commodities markets. This role requires a strong background in financial markets, effective communication skills, and the ability to work in a fast ...

    High Performance I/O & Storage Backend Engineer

    Dormont Manufacturing Co in Crawley is hiring a Software Developer specializing in High-Performance I/O & Storage Systems. This role focuses on designing, building, and improving services for efficient data access and storage in distributed environments. The ideal candidate will work on backend service ...

    FX Options Quant Dev (Hybrid) — Real Time Pricing & Risk

    United States Digital Space LLC in London is seeking a Quantitative Developer to join the FX options team. The role involves building and maintaining pricing and risk infrastructure for FX Options trading. The ideal candidate will design quantitative models and develop software in C++ and Python, worki ...

    Senior Software Architect — Cloud & Integrations

    Thirdsound ICT is seeking a Senior Developer in Glasgow to build a next-generation digital operations platform for major UK food producers. This full-time role involves designing and delivering systems, working closely with clients, and ensuring scalable software solutions. Candidates should possess strong probl ...

    Cloud Native Full Stack Tech Lead – AWS

    IBM Computing in Greater London is seeking a Managing Application Developer to support its Public Sector and Defence projects. This role involves overseeing cloud application development, mentoring junior developers, and managing the full software development lifecycle. Candidates should have strong full-stac ...

    DevOps & Programmer | CI/CD, Cloud & Automation

    Computewell in Slough is seeking an IoT Software Developer to create IoT integrations and data streaming services. The role requires working closely with cross-functional teams to deliver effective solutions using a variety of programming and data tools. Applicants should ideally possess a Bachelor's d ...

    Platform Engineer: Azure DevOps, Cloud & Security Lead

    Clue Software is seeking a Platform Engineer to enhance their internal engineering services. In this role, you will have the opportunity to suggest technologies and influence the technical direction of the Platform Engineering team. The role requires a hands-on engineer specializing in DevOps, with str ...

    Real Time AI Engineer Ground Ops, First Engineering Hire

    A pioneering AI startup in London is seeking a Junior Software Developer to be the first engineering hire. You will design and implement real-time AI systems to improve airport ground operations. The role offers significant ownership in developing a platform that generates high-accuracy predictions for flight de ...

    Senior Go Microservices Engineer | Kafka & FinTech, Remote

    ZILO™ is seeking an experienced Senior GO Developer to join their team in London, specializing in financial technology. This role involves designing and maintaining scalable microservices integrated with Kafka. Successful candidates will have over 5 years of software development experience and strong skills i ...

    Frontend JavaScript Developer – Web Apps & Data Tools

    Expert Employment is seeking a JavaScript Developer to join a growing product team focused on modern web applications. The ideal candidate will design, develop, and maintain web applications while working closely with APIs and cloud-based systems. Key skills include proficiency in JavaScript, understan ...

    Hybrid C# Developer Real Time P&L & Risk Systems

    Cloudspirit is looking for a talented C# Developer to join a high-performing team in London. As part of a hybrid role, you will work on innovative financial systems within a global markets environment, contributing to a distributed P&L and risk analytics platform. Your responsibilities include developi ...

    Senior C# Engineer Remote, Scale & Technical Leadership

    Oxbow Talent is seeking a Senior C# Developer for a fully remote role based in the UK. This position involves working on scalable software for a global consultancy, contributing to technical direction, and engaging with complex projects. The ideal candidate has strong experience with C# and .NET, enjoy ...

    Java Backend Engineer Secure, DV Cleared & Microservices

    Forwardrole is looking for a Java Developer to join a small engineering-led team dedicated to delivering secure software and data capabilities in sensitive National Security environments. The ideal candidate will have strong Java backend development experience and work across modern microservices archi ...

    SC Cleared Power Platform Developer (Hybrid)

    Sanderson Government & Defence is seeking an SC Cleared Software Developer with strong Power Platform skills for a contract position in London. The role involves developing critical digital services to meet government standards, with on-site work in Westminster 2 days a week. A competitive rate of £650 ...

    Senior .NET Developer — Payments Platform (Remote)

    慨正橡扯 in Greater London is seeking a Senior Software Developer to join their payments service team, responsible for developing scalable frontend systems and leading design discussions. You will utilize technologies like .NET/C#, Cassandra, and Docker in an agile environment. Successful candidates will h ...

    Lead SDET Architect — Test Automation & CI/CD

    A leading financial technology firm in the UK seeks a Principal Software Developer in Test (SDET) to drive innovation in automation testing. This role involves leading the implementation of testing frameworks across financial projects, mentoring engineers, and collaborating with cross-functional teams. Candidate ...

    Senior Endur Developer for Trading & Risk

    Infosys Consulting in Greater London is seeking an experienced developer specializing in Endur to drive software solutions for the energy sector. You will join a dynamic team dedicated to delivering value through innovative trading and risk management systems. Your role involves developing Endur soluti ...

    Java Developer – Microservices & Kubernetes (Contract)

    A leading IT services provider is seeking a Java Developer to join their team on a 12-month contract in Glasgow. This role involves collaborating with stakeholders to deliver innovative solutions utilizing Java 17 and microservices. Developers will apply expertise across the software development lifecycle in a d ...

    Remote SDET Engineer: Test Automation & QA Impact

    Dataiku is seeking a Software Developer Engineer in Test (SDET) to ensure the delivery of high-quality products. This role involves coding automated test suites, defining testing strategies, and collaborating with developers to enhance product quality. As part of the dynamic technology team, you will w ...

    Senior C# Engineer Platform Reliability & Performance

    Sivara GmbH is seeking a Senior C# Developer for a full-time, onsite role in Birmingham. This permanent position offers a salary ranging from £50,000 to £80,000 based on experience. The ideal candidate will have proven experience in software development, focusing on platform stability and performance. ...

    Oracle DB Developer — Hybrid London | PL/SQL & HA

    Lorien's banking client is seeking an Oracle Database Developer in London to integrate local Settlement activity into the Global Settlement platform. The ideal candidate will have strong software-development and analytical abilities, and be familiar with C/Pro-C, SQL, Oracle PL/SQL, and C#/.NET. This r ...

    SC Cleared C# Developer | Agile, FinTech & SQL

    Sivara GmbH is seeking an experienced C# developer to join our forward-thinking team in Bishopsgate, England. The role spans design, development, testing, integration, and support, working in a dynamic Agile environment focused on high-quality outcomes. The ideal candidate will possess proven experienc ...

    Senior Full Stack Dev (C#/.NET) — AI‑First Finance

    Marex in Greater London is looking for a Senior Full Stack Developer specializing in C# .NET to drive secure, AI-first web-based platform development. This pivotal role requires delivering robust applications while ensuring compliance with financial systems’ standards. The ideal candidate will leverage ...

    Senior C# Engineer for Front Office Risk & PnL Data Platform

    Lorien is seeking a Senior C# Developer to enhance a Risk & PnL data warehouse platform in London. You will work within a high-performing team in a leading investment bank, focusing on developing business-critical systems with a hybrid working model. The ideal candidate has extensive software engineeri ...

    C# WinForms Desktop Apps Developer (On Site)

    Bhc ltd is seeking a skilled developer for a full-time role in Carnwath, Scotland. The successful candidate will be responsible for maintaining and enhancing C# WinForms applications, developing SQL queries, and managing projects through the entire software development lifecycle. The role requires stro ...

    Senior Integration Designer ACE & MQ Expert

    Sivara GmbH, a leading financial services organization in the UK, is seeking a skilled software developer to join their high-performing technology team. The role involves designing, developing, and supporting integration and messaging solutions using IBM technologies. The ideal candidate will have expe ...

    Product Security Engineer: Secure by Design & Shift Left

    Revoco is seeking a Product Security Engineer based in Bristol, focusing on embedding security in products from day one. You will partner with engineering teams to identify risks and improve code quality throughout the product lifecycle. This role involves reviewing code for vulnerabilities, conducting ...

    C# .NET Engineer – Finance Platform, Newcastle (Onsite)

    Client Server is looking for a Software Developer / Engineer (C# .Net) in Newcastle, offering a salary up to £120k. You'll design and develop applications for investment banks and hedge funds, leveraging your advanced C# and SQL skills. This opportunity promises a dynamic work environment with a flexib ...

    Azure Systems Developer — API Integrations & DevOps

    Sivara GmbH is looking for a permanent, full-time Systems Developer to join our team based in Hertford Heath, United Kingdom. The successful candidate will work with Azure technologies and be involved in developing and supporting various software solutions. We offer competitive rewards including a sala ...

    Hybrid C# .NET Developer — Azure & SQL

    Sivara GmbH is seeking a skilled C# .NET Developer based in Newcastle upon Tyne. You will develop and maintain custom web applications, working with technologies like ASP.NET, SQL Server, and Microsoft Azure. The ideal candidate will have over 3 years of experience and proficiency in C# and .NET Core. ...

    Senior AI Software Engineer Foundry (Newcastle)

    Tenth Revolution Group is seeking an AI Foundry Software Developer in Newcastle for a full-time office role. This position is pivotal in designing and managing AI-augmented business applications. The ideal candidate will have modern programming skills, UI experience with Typescript and React, and a degree in ...

    Backend Engineer: High Performance Storage & I/O

    CGG Services (UK) Limited is seeking a skilled Software Developer focused on High-Performance I/O & Storage Systems. The role involves designing and developing high-performance backend services and APIs to ensure efficient data handling across distributed environments. Ideal candidates will possess str ...

    Senior Ruby on Rails & React Developer – Hybrid Govt Digital

    Scrumconnect Limited in Swansea seeks a Senior Software Developer proficient in Ruby on Rails and React to join a collaborative, agile environment. You will design and build high-volume digital services, contributing to important government projects. This position offers a hybrid work model, requiring ...

    Senior HTML/CSS Frontend Engineer for AI Training

    Prolific is seeking a Senior HTML/CSS Developer to join their Expert Network in the UK. In this role, you'll evaluate and review AI-generated frontend code while bringing forth your real-world experience in Software Engineering. Responsibilities include ensuring functional correctness, conducting execution testi ...

    Fullstack UI (Java) Developer in London Luxoft

    Objected-Oriented User-Facing Software Developer Profile Proficient in Java (1.8+) Strong development experience in React and React Hooks Experience developing finance models (e.g. forecasting models) a plus Locations: Krakow, Wroclaw, and London Responsibilities ...

    Senior Python Engineer — AI‑Augmented Cloud Backend

    A leading European cloud service provider is seeking a Senior Python Developer to drive innovations in AI-augmented coding. The candidate will design and maintain backend services using Django or FastAPI, leverage AI tools for code improvements, and promote best practices in software development. Ideal applicant ...

    Senior Front End Developer Remote, Training & Bonus

    慨正橡扯 is seeking a talented Front End Developer to join their Software Engineering Practice in Greater London. This role involves collaborating closely with teams on projects across the full lifecycle, from design to deployment. The ideal candidate will have substantial experience in front end developme ...

    ML Infrastructure Engineer — Python & ML Pipelines

    A technology recruitment agency is seeking a Software Engineer/Developer (ML Infrastructure) for a 12-month contract in Cambridge, UK. The role involves designing and maintaining machine learning tooling in Python, supporting research teams, and improving infrastructure systems. Ideal candidates will possess 4+ ...

    .NET Developer Remote, AI Driven Modern Stack

    A leading technology company, located in Worcester, UK, is seeking a .NET Developer to develop revolutionary software solutions. The role requires strong skills in .NET, .NET Core, C#, and Azure SQL, with training available for the latest frameworks like .NET 10.0 and Azure AI. This position supports remote work ...

    Senior Backend Squad Lead | Cloud, APIs & Data (6p)

    T2M Resourcing is looking for an experienced software developer to lead a pod of talented developers in Newcastle. This role focuses on back-end development and requires expertise in C#, Java, and Python, as well as strong leadership skills. Ideal candidates will have a passion for solving complex engi ...

    Junior Developer — Crypto, Rust & .NET, 24/7 Operations

    A leading technology company in Greater London is seeking a Junior Developer to maintain and improve applications using Rust and .NET technologies. You will work in a collaborative, agile environment with a focus on production support and system enhancements. Ideal candidates have 1-3 years of experience, a univ ...

    Full Stack .NET Developer | Blazor, Azure & CI/CD

    A well-established UK-based SaaS company is seeking a Full Stack .NET Developer to join their growing team. In this role, you will collaborate with others to develop and maintain cloud-based software platforms. Necessary qualifications include at least 3 years of experience with .NET, strong skills in C#, HTML, ...

    Hybrid Backend Engineer: B2B APIs & Cloud (C#, AWS)

    Join tombola in Sunderland as a Software Developer! You will contribute to backend development for our B2B platform, building reliable systems for external integrations. This role involves working with technologies like C#, .NET, AWS, and more. You will design APIs and maintain backend services, ensuri ...

    Backend Platform Engineer – Real Time Analytics

    TMX Group in the City Of London is seeking a Software Developer to work on its flagship data analytics platform. You will be involved in system architecture, project coordination, and peer code review, contributing to applications that handle extensive data for real-time trading insights. The ideal can ...

    Hybrid VP Full Stack Engineer — Equities Tech Innovator

    Citi is seeking a Vice President (VP) level developer to join the Strategic Equity Solutions team in Greater London. You'll design and develop high-performance software solutions that enhance trader workflow. With a focus on collaboration, you'll work closely with business stakeholders and contribute to innov ...

    Java Backend Engineer – Spring Boot, REST & Kafka

    Rockstar in Dundee, Scotland is seeking a Java Backend Developer to design and implement solutions for game development challenges. The ideal candidate has over 3 years of experience in Java backend development, strong command of the Spring Boot ecosystem, and a solid understanding of MySQL. You will contribute ...

    Full Stack Software Intern — Real Projects & Mentorship

    A forward-thinking digital company in Chester is seeking a Software Developer Intern to work on real projects alongside experienced developers. This hands-on position will provide valuable experience across the full stack, involving both client-facing applications and backend systems. Ideal candidates are profic ...

    Senior Platform Security Engineer Core Services

    PhysicsX Ltd is seeking a Senior Software Security Developer for their Core Platform Services team in London. This role involves writing secure code components crucial for various teams across the company. The ideal candidate has over 8 years of experience and a strong focus on security feature design, ...

    Backend API Engineer — Python, AWS & Data Pipelines

    A leading advertising and communication agency in Greater London is seeking a Software Developer Back End. The role involves designing and operating scalable APIs and data systems on AWS, while leading a team. Ideal candidates should have strong Python and FastAPI skills, along with experience in CI/CD and AWS s ...

    Senior Laravel Backend Engineer | Hybrid (London)

    A dynamic software startup in Greater London is looking for a Senior Backend Developer with strong Laravel experience. You will build APIs and collaborate with cross-functional teams while ensuring high-quality code is delivered. The role offers competitive benefits, including a salary of £70k - £90k, a hybrid w ...

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