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Developer United Kingdom Jobs (Hybrid work)

287 Job Offers

Quantitative Developer
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Join Barclays in London as a Quantitative Developer. You will design and maintain high-performance analytics and trading platforms using Python and C++. This role focuses on the innovative Analytics Service, enhancing library APIs within financial risk and pricing systems. Strong communication an...
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United Kingdom , London
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Not provided
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Barclays
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Frontend Developer - React
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Join Xelix, a fast-growing AI fintech, as a Frontend Developer in London. You'll build scalable React applications using TypeScript and modern CSS, collaborating closely with designers. Enjoy a hybrid role with great benefits like private healthcare, a learning budget, and a dog-friendly office. ...
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United Kingdom , London
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60000.00 - 75000.00 GBP / Year
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Xelix
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Senior Python Backend Software Developer
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Join Xelix, a fast-growing AI scale-up, as a Senior Python Backend Developer. You will build robust, scalable solutions using Python, Django/Flask, and AWS in our London office (hybrid). We offer private medical cover, enhanced leave, and a dynamic environment focused on impact and growth.
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United Kingdom , London
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70000.00 - 95000.00 GBP / Year
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Xelix
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CRM Functional Developer
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Join Dental Directory as a CRM Functional Developer in Witham. You will lead the design and optimisation of our Dynamics 365 CRM & Field Service platform, translating business needs into scalable solutions. We seek strong expertise in D365, Power Platform, and excellent communication skills. Enjo...
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United Kingdom , Witham
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40000.00 - 50000.00 GBP / Year
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360 Resourcing Solutions
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Fx Risk Java Developer
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Join Citi's Markets Technology as an FX Risk Java Developer (VP) in London. You will design and implement core Java solutions using JDK11+, multithreading, and data structures for front-office systems. The role requires experience with SQL/NoSQL databases, messaging queues, and TDD. We offer a co...
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United Kingdom , London
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Citi
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Systematic & Credit Portfolio Trading Tool Developer
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Join Citi in London to engineer the future of global finance as a Trading Tool Developer. Develop critical Python/React applications for systematic and credit portfolio trading, embedded directly with traders. Leverage Kubernetes and CI/CD to build stable, innovative tools in a hybrid environment...
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United Kingdom , London
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Citi
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Quant Platform Developer
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Join a prestigious multi-strategy Hedge Fund in London to build its Systematic Trading platform. Utilize your exceptional Python and C# skills to design tools directly impacting PnL. This role requires a background in high-performance trading environments and expertise in quant libraries and Kube...
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United Kingdom , London
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Orbis Consultants
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Python Software Developer - Backend
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Join our London team as a Python Backend Developer. You'll build robust, scalable solutions using Python, Django, and AWS, while collaborating on innovative features. We offer hybrid work, a dog-friendly office, and strong professional development support. Ideal for developers passionate about cl...
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United Kingdom , London
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60000.00 - 80000.00 GBP / Year
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Xelix
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Lead Front-End Developer
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Lead Front-End Developer role at Citi in London. Design and build high-performance UI for global Fixed Income eTrading platforms using Angular, React, and TypeScript. Requires 7+ years' experience with large-scale applications and real-time systems. Enjoy a competitive package with bonus, private...
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United Kingdom , London
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Citi
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.NET Developer
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Join a collaborative team in Stevenage as a .NET Developer. Utilize your C#, XML, and SQL Server skills in a broad, varied role encompassing development, support, and testing. Enjoy a hybrid model, comprehensive training, and benefits including bonus and healthcare. Shape digital solutions in a c...
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United Kingdom , Stevenage
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35000.00 - 50000.00 GBP / Year
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Eutopia
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Senior Power Platform Developer / Consultant
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Shape automation strategy as a Senior Power Platform Developer in Essex. Lead RPA solutions with Power Automate and Power Apps, while establishing a Centre of Excellence. This consultative role blends hands-on development with stakeholder engagement in the public sector. Drive governance and inte...
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United Kingdom , Essex
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Morson Talent
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Fixed Income eTrading Connectivity – Senior Developer
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Join Citi in London as a Senior Developer for Fixed Income eTrading Connectivity. Design and develop high-performance, low-latency front-office applications using C++ and Core Java. This role offers a chance to transform the connectivity landscape with a competitive package including bonus, priva...
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United Kingdom , London
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Citi
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FX Client Platforms - Developer VP
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Join Citi's FX Technology team in London as a VP Developer. Engineer low-latency FX trading platforms, replacing legacy systems and driving architectural design. This hands-on role requires deep FX knowledge and collaboration with trading teams. Enjoy a competitive package including bonus, privat...
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United Kingdom , London
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Citi
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.NET Windows Developer
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Join our client as a .NET Windows Developer in a hybrid role based in Essex, UK. You will develop robust Windows applications using C#, .NET Core, WinForms/WPF, and MS SQL Server. The ideal candidate has 3+ years of commercial experience and a strong background in system integration and secure co...
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United Kingdom , Essex
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45000.00 - 50000.00 GBP / Year
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Lawrence Harvey
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Delphi/SQL Developer
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Seeking an experienced Delphi/SQL Developer for a hybrid role in Essex. Maintain and enhance a large-scale enterprise application using Delphi XE2/XE10+, T-SQL, and .NET C#. Requires 10+ years of commercial Delphi and SQL Server experience. Join a team with mature SDLC processes.
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United Kingdom , Essex
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60000.00 - 70000.00 GBP / Year
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Lawrence Harvey
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Web Developer - Full Stack
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Join a dynamic team in Essex as a Full Stack Web Developer. This role requires 3-8 years of experience with .NET, C#, ASP.NET Core, and JavaScript. A degree from a British university and strong REST API skills are essential. Enjoy a competitive package with benefits in this hybrid position.
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United Kingdom , Essex
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45000.00 - 55000.00 GBP / Year
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Lawrence Harvey
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Junior Software Developer
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Join a leader in Geospatial innovation as a Junior Software Developer. You will enhance operational performance by developing automation tools, applications, and Power BI dashboards using Python, JavaScript, and AI/ML. This UK-based hybrid role offers career development, mentorship, and a competi...
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United Kingdom
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Murphy Geospatial
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C# Developer
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Join a London-based project as a C# Developer for an initial 6-month contract. This hybrid role requires strong .NET Core and AWS expertise to build scalable backend systems and APIs. You will design robust solutions within distributed architectures, optimizing database performance. Apply your sk...
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United Kingdom , London
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RED Commerce - The Global SAP Solutions Provider
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Software Developer
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Join a leading London fintech as a Software Developer. Build and enhance high-impact, revenue-facing systems using Java. Collaborate with traders and engineers on complex, performance-sensitive applications. This role offers ownership and growth in a fast-paced environment.
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United Kingdom , London
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Hunter Bond
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Software Developer
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Join a leading London AI startup as a Software Developer. Utilize your expert Python and FastAPI skills to build scalable backend systems for real-world AI innovation. Thrive in a dynamic role focused on high-performance architecture and real-time data. Enjoy a competitive compensation package in...
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United Kingdom , London
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Salary
120000.00 GBP / Year
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Hunter Bond
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About the Developer role

Discover the dynamic world of developer jobs, a cornerstone of the modern digital economy. Developers are the creative and technical masterminds behind the software, applications, and systems that power our daily lives. From the websites we browse to the mobile apps we use and the complex enterprise software running global businesses, developers are the architects of our digital future. This profession involves designing, coding, testing, and maintaining the software that drives innovation across every industry.

A developer's primary responsibility is the entire software development lifecycle. This begins with analyzing user needs and then designing robust software solutions to meet those requirements. The core of the role involves writing clean, efficient, and well-documented code in various programming languages. Developers build and maintain the backbone of applications, which includes creating and managing Application Programming Interfaces (APIs), backend services, and database structures. They are responsible for implementing key architectural patterns like microservices to ensure systems are scalable, reliable, and performant. A significant part of their work involves integrating different systems, such as connecting applications to databases, message queues, and third-party services.

Beyond initial creation, developers are tasked with continuous improvement and maintenance. This includes identifying and fixing bugs, optimizing applications for speed and stability, and implementing security best practices to protect against vulnerabilities. They conduct rigorous testing, including unit and integration tests, to ensure software quality. Furthermore, developers collaborate closely with other teams, such as frontend engineers, quality assurance (QA) specialists, and DevOps teams, to enable seamless continuous integration and deployment (CI/CD) pipelines. In many modern environments, developers also work on containerizing applications using tools like Docker and orchestrating them with platforms like Kubernetes. For senior and leadership roles, responsibilities expand to include mentoring junior team members, managing project timelines, making strategic technology decisions, and overseeing a team's output and professional development.

Typical skills and requirements for developer jobs are diverse. A strong foundation in computer science principles is essential. Proficiency in one or more programming languages (such as Go, Java, Python, JavaScript, or C#) is a fundamental requirement. Developers must understand software architecture, including concepts like RESTful APIs, microservices, and event-driven systems. Experience with databases (SQL and NoSQL), version control systems like Git, and operating systems is standard. As the field evolves, knowledge of cloud platforms (AWS, Azure, GCP), containerization, and infrastructure-as-code is increasingly valuable. Crucially, soft skills are just as important; problem-solving abilities, analytical thinking, clear communication, and the capacity to work collaboratively in a team are highly sought after. Most positions require a bachelor's degree in computer science or a related field, or equivalent practical experience. Whether you are an entry-level programmer or an experienced applications development manager, developer jobs offer a challenging and rewarding career path for those passionate about building the technology of tomorrow.