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Developer United Kingdom Jobs

461 Job Offers

Power BI Developer
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Join a finance-for-good investment institution in London as a Power BI Developer. You will drive data-driven decisions by designing Power BI solutions, collaborating with senior stakeholders and Front Office teams. Requires 5+ years in financial services, expert DAX, SQL, and data modelling skill...
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United Kingdom , London
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Not provided
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Orbis Consultants
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E-Learning Developer
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United Kingdom , London
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250.00 - 350.00 GBP / Hour
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Data Idols
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Fx Risk Lead Java Developer - Vice President
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Senior Java Developer role at Citi in London, UK, focused on FX Risk and high-throughput systems. You will design microservices, optimize Apache Ignite in-memory grids, and build real-time data pipelines with Kafka. Requires deep Core Java, JVM tuning, MongoDB, and cloud expertise. Benefits inclu...
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United Kingdom , London
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Citi
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F X Risk Lead Java Developer - Vice President
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United Kingdom , London
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Citi
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Full Stack Developer
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United Kingdom , London
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Barclays
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Mainframe Developer
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Join Barclays in Knutsford as a Mainframe Developer to drive digital innovation. Leverage expertise in COBOL, Hogan, JCL, DB2, and CICS to build secure, scalable infrastructure. Collaborate on high-quality software solutions while enjoying benefits like private medical care, life assurance, and a...
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United Kingdom , Knutsford
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Barclays
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Java/Kotlin Software Engineer – AVP - (Developer Enablement)
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United Kingdom , Belfast
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Citi
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Lead Developer
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United Kingdom , Manchester
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60000.00 - 75000.00 GBP / Year
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360 Resourcing Solutions
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Senior Kdb+ Developer
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United Kingdom , London
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Barclays
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Senior Front End Developer
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Senior Front End Developer sought to shape the future of betting and gaming at Betfred in Manchester. You will join a new team building on a proprietary platform, requiring expert ReactJS, ES2015, and Node.js skills. Key benefits include a £50k-£65k salary, generous bonuses, and enhanced parental...
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United Kingdom , Manchester
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50000.00 - 65000.00 GBP / Year
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360 Resourcing Solutions
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Senior .NET Developer
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Senior .NET Developer sought to shape the future of betting and gaming at Betfred in Manchester. You will leverage expertise in C#, N-Tier architecture, and WebAPI to integrate front ends with back-end services on a proprietary platform. Key requirements include significant commercial .NET experi...
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United Kingdom , Manchester
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50000.00 - 65000.00 GBP / Year
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360 Resourcing Solutions
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Software Integrations Developer - C# .NET
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We are seeking a skilled **Software Integrations Developer** with expertise in **C# .NET** to join our UK-based team. You will build and maintain robust integrations, APIs, and cloud solutions using **Azure**, **SQL Server**, and **RESTful services**. Ideal candidates possess strong problem-solvi...
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United Kingdom
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50000.00 - 55000.00 GBP / Year
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360 Resourcing Solutions
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Software Developer – AI Assisted
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United Kingdom , Chandlers Ford
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40000.00 - 55000.00 GBP / Year
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Pure Human Resources
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.Net Developer
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VodafoneThree seeks a **.Net Developer** to build the UK’s best network in **Newbury**. You’ll work full-stack with **C#, .Net Core, React, and MS SQL Server**, developing secure APIs and microservices. Enjoy an excellent salary, bonus, 28 days off, and strong parental leave policies. Join a miss...
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United Kingdom , Newbury
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Vodafone
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Lead Java Developer
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Lead Java Developer sought by a flagship tech firm in Manchester, UK, to drive scalable, secure systems. You'll leverage deep Java, Spring Boot, and cloud expertise (AWS/Azure/GCP) to shape architecture and mentor teams. This role offers real ownership, flexible hours, and a remote-friendly cultu...
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United Kingdom , Manchester
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95000.00 GBP / Year
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Morson Talent
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Java Developer for Trading (Securities Lending)
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Join Citi’s Equities Technology team in London as a **Java Developer for Securities Lending**. Leverage 6-10 years of experience in Java, Kafka, SQL, and Git to build high-impact trading systems. Thrive in a global, agile environment with hybrid work, 27 days leave, and private medical care. Engi...
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United Kingdom , London
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Citi
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Business Developer AFH
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Join us as a Business Developer AFH in Belfast, driving growth with iconic brands. You’ll manage a territory, build lasting customer relationships, and leverage digital tools to deliver results. We seek ambitious achievers with a clean driver’s license. Enjoy a company car, bonus incentives, coac...
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United Kingdom , Belfast
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Coca-Cola HBC
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Python Developer (Cyber Security)
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Join a Quant Trading firm as a **Python Developer** in their **Cyber Security** team. This hybrid role in London involves managing security tooling and integrating AI for automated threat detection. Ideal for a recent Computer Science graduate with 1-3 years of commercial Python experience and a ...
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United Kingdom , London
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60000.00 - 90000.00 GBP / Year
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Xcede
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Lead Power BI Developer
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United Kingdom
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360 Resourcing Solutions
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Visualfiles Developer
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United Kingdom , Liverpool
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360 Resourcing Solutions
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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.