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Developer United Kingdom Jobs

453 Job Offers

Senior Developer
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Join Fourth's HRUK team in London as a Senior Developer. Leverage your 5+ years with C#, .NET, SQL, and React to build REST APIs and modernize legacy systems. Enjoy a hybrid model, 25+ days holiday, healthcare, and pension while mentoring juniors in an Agile environment.
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United Kingdom , London
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Not provided
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HotSchedules Corporate
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Until further notice
Python Developer - FX Options Data Engineer
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Join our London team as a Python Developer to modernize the FX Options Data Platform. You will design scalable data pipelines and analytics infrastructure using Python, FastAPI, and cloud technologies. Collaborate with quants and traders to deliver robust solutions in a dynamic front-office envir...
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United Kingdom , London
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Not provided
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Citi
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FX Technology – Cross Border Payments, Senior Developer
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Join Citi's FX Technology team in London as a Senior Developer. You will design and build low-latency cross-border payment and trading systems, replacing legacy platforms. This hands-on role requires deep FX knowledge and collaboration with trading teams. We offer a competitive bonus, private med...
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United Kingdom , London
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Citi
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Until further notice
Java Full-Stack Developer
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Join our Core Risk team in London as a Java Full-Stack Developer. You will rebuild and migrate legacy systems using modern Java, Angular, and Cloud tools like Kubernetes. This impactful role requires financial services experience and offers excellent benefits including private medical care and pe...
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United Kingdom , London
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Not provided
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Barclays
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Business Developer Convenience
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Join our Sales team in Belfast as a Business Developer for Convenience. You will manage a territory, build strong partner relationships, and drive growth for iconic brands. Utilize digital tools to analyze markets and negotiate contracts. Enjoy a company car, bonus incentives, and development opp...
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United Kingdom , Belfast
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Not provided
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Coca-Cola HBC
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iOS Developer
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Join Veygo, part of the award-winning Admiral Group, as an iOS Developer in Cardiff. You will build and scale our popular pay-as-you-go insurance app using Swift and SwiftUI. We seek a proactive engineer with 3+ years' experience, a strong App Store portfolio, and expertise in CI/CD. Enjoy flexib...
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United Kingdom , Cardiff
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Not provided
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Admiral Group Plc
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Efx It Developer
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Join our London team as an EFX IT Developer. Work directly with traders and front-office staff on critical FX trading systems. Utilize your C#/Java and SQL skills in a dynamic, agile environment. This role is ideal for a recent graduate passionate about financial markets and continuous learning.
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United Kingdom , London
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Crédit Agricole
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Lead Frontend Developer (ReactJS)
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Lead Frontend Developer role in Belfast, using ReactJS to build global finance systems at Citi. Provide technical leadership, enforce best practices, and mentor a team. Requires 3+ years of lead React experience and offers strong benefits including bonus, private healthcare, and hybrid work.
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United Kingdom , Belfast
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Citi
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Salesforce Developer
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Join Gigaclear as a Salesforce Developer in Abingdon. Utilize your expertise in Service Cloud, Field Service, and Experience Cloud to build our in-house capability. You'll set engineering standards and mentor a team, delivering fibre broadband solutions across the UK.
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United Kingdom , Abingdon
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360 Resourcing Solutions
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Senior Developer
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Join our agile team in Stockport as a Senior .NET Developer. You will build modern .NET Core applications, shape service-driven architecture, and deploy to Azure. Mentor the team, drive technical improvements, and enjoy benefits like 33 days holiday and a wellbeing package.
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United Kingdom , Stockport
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Not provided
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AO
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Full Stack Developer
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Join our Tech team in Manchester as a Full Stack Developer. You will build scalable backend services and APIs with Node.js, working on e-commerce and high-traffic platforms. The role requires 3+ years' experience with serverless architectures, databases, and CI/CD pipelines. Enjoy flexible hours,...
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United Kingdom , Manchester
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Club L London
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Senior .Net Software Developer
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Join a leading FinTech in Birmingham as a Senior .Net Developer. Work on greenfield or brownfield projects using C#, .NET, and Azure cloud services. You will build secure APIs, apply SOLID principles, and collaborate in an Agile environment. Enjoy benefits like 25 days leave, life assurance, and ...
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United Kingdom , Birmingham
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50000.00 - 65000.00 GBP / Year
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Hunter Selection | B Corp™
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Umbraco Full Stack Web Developer
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Join KellyDeli in London for an ad hoc maternity cover role as an Umbraco Full Stack Web Developer. You will design, develop, and maintain customer-facing web platforms, working with both front-end and back-end technologies. The ideal candidate has proven Umbraco experience, UI/UX skills, and pro...
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United Kingdom , London
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KellyDeli
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Senior Full Stack Salesforce Developer
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Join our London team as a Senior Full Stack Salesforce Developer. Leverage your 5+ years of experience with C#, .NET, ASP.NET MVC, and modern JavaScript frameworks. You will design integrations and build robust e-commerce solutions on Salesforce Commerce Cloud. This role offers a chance to lead i...
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United Kingdom , London
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Wolverine Worldwide
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C# Developer
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Join an elite London fintech firm as a C# Developer. Work on high-performance, greenfield projects using cutting-edge technology and the latest C# frameworks. Enjoy a great culture, unlimited tech budget, and a competitive package with bonus.
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United Kingdom , London
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100000.00 GBP / Year
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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. Build high-performance backend systems with Python and FastAPI, handling real-time data at scale. We seek a proactive problem-solver passionate about clean code, scalable architecture, and AI innovation. Enjoy full ownership in a dynamic, ...
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United Kingdom , London
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100000.00 GBP / Year
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Hunter Bond
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Full Stack Developer
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Join a growing wealth management firm in St Albans as a Full Stack Developer. You will build modern applications using JavaScript, TypeScript, and React within an AWS cloud environment. This hybrid role offers a £60k salary, bonus, and the chance to shape technology in a collaborative, agile team.
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United Kingdom , St Albans
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60000.00 GBP / Year
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Dynamic Search Solutions
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Senior .Net Developer
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Seeking a Senior .Net Developer for a long-term contract in Skipton, UK. This inside IR35 role requires deep expertise in .Net and CI/CD pipelines. Join a dynamic team to build and deploy robust software solutions.
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United Kingdom , Skipton
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Not provided
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Morson Talent
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FX eTrading Java Developer - VP
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United Kingdom , London
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Not provided
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Citi
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Product Developer
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United Kingdom , Berkshire
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Salary
32000.00 - 42000.00 GBP / Year
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Zest Food Jobs
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Until further notice

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.