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Developer United Kingdom Jobs

460 Job Offers

Senior Android Developer
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Lead the development of a new enterprise-grade Android app in London. We seek a Senior Android Developer with 5+ years of Kotlin experience and a background in scalable, secure mobile solutions. You will architect the app, establish best practices, and have the opportunity to build and lead a ded...
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United Kingdom , London
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Not provided
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Salt
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Senior Scala Developer / Tech Lead
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Lead the technical direction for a core platform team at a privacy-first, high-scale tech company. Architect and build distributed, data-intensive systems using Scala, Cats Effect, and cloud technologies (AWS/GCP). Enjoy equity, flexible hybrid work in London, and a strong focus on developer auto...
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United Kingdom , London
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100000.00 - 130000.00 GBP / Year
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Signify Technology
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Senior Python Developer
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Seeking a Senior Python Developer in the UK to own core backend systems using Python, Django, and DRF. You will design APIs, ensure scalability, and improve operational reliability with Docker and Celery. This hands-on role offers real technical influence over architecture and production stabilit...
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United Kingdom
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70000.00 - 80000.00 GBP / Year
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Fynity
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RPA Developer (Blue Prism)
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Seeking an SC Cleared RPA Developer proficient in Blue Prism for a hybrid role in Hampshire (2 days onsite). You will design, build, and test complex automations, adhering to Agile methodology and change control. This initial 6-month contract involves maintaining documentation and supporting the ...
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United Kingdom , Hampshire
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Not provided
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Whitehall Resources Ltd
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Salesforce Developer
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Join a major public sector digital transformation programme as a Salesforce Developer in London. This inside IR35 role requires active SC Clearance. You will deliver and enhance solutions within a secure government Salesforce environment.
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United Kingdom , London
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Not provided
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TRIA
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Senior React Developer
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Join a growing agile team as a Senior React Developer in a fully remote role based from Norwich. This contract-to-permanent position involves developing new web and mobile services using React, JavaScript, and Tailwind. You will collaborate with overseas teams, deploying solutions and contributin...
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United Kingdom , Norwich
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Not provided
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Cooper Lomaz
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Junior Developer
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Join a forward-thinking Norwich team as a Junior Developer. You'll build high-quality software using C#, .NET Core, and modern front-end frameworks like React. This hybrid role offers a profit share, 25 days holiday, and significant professional development in an agile environment.
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United Kingdom , Norwich
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Cooper Lomaz
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Software Developer
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Join a supportive team in London or Macclesfield as a Senior .NET/Angular Developer. You will design cloud-native solutions on Azure, utilizing your expertise in SQL, DDD, and DevOps. Enjoy fantastic benefits including flexible working, free meals, and 33 days holiday while building scalable soft...
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United Kingdom , London and Macclesfield
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60000.00 GBP / Year
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Elior UK
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Software Developer
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Join our team in Macclesfield as a Software Developer. You will design and deploy scalable, cloud-native solutions using .NET and Azure. We seek a proactive developer with 3+ years' experience and skills in SQL, containers, and clean code. Enjoy flexible working, generous holiday, career developm...
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United Kingdom , Macclesfield
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54000.00 GBP / Year
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Elior UK
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Senior Software Developer
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Join a leading UK tech firm as a Senior Software Developer, enhancing a large-scale SIP/VoIP platform. Leverage your 5+ years of Python and SIP protocol expertise to build secure, real-time communications systems. Enjoy a hybrid role with private medical insurance, pension, and 24 days' leave.
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United Kingdom
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65000.00 GBP / Year
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Dynamic Search Solutions
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PowerApps Developer
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Seeking a skilled PowerApps Developer to design and deliver full-stack, enterprise-grade solutions using the Microsoft Power Platform and Azure. You will extend low-code applications with custom code, .Net/C#, and integrations, ensuring scalability and security. This role offers private healthcar...
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United Kingdom , London; Glasgow; Manchester
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HSO
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C# Developer
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Join Barclays in London as a C# Developer. You will design and support low-latency pricing platforms for front-office trading teams. The role requires .NET 8, Kubernetes, and GitLab expertise. We offer private medical care, pension contributions, and a competitive holiday allowance.
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United Kingdom , London
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Barclays
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Senior C# Developer
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Lead the development of low-latency trading platforms at Barclays in London. Utilize your expertise in .Net 8 and Kubernetes to build high-performance, scalable systems. Collaborate directly with quant teams and traders. Enjoy top benefits including private medical care and a competitive pension.
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United Kingdom , London
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Barclays
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AI/ML Developer
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Join a high-growth tech leader on its path to an IPO as their foundational AI/ML Developer in London. You will set technical direction, build scalable Python systems, and embed AI for real business impact. This role blends startup autonomy with the scale of an established company, requiring stron...
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United Kingdom , London
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100000.00 - 130000.00 GBP / Year
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Linux Recruit
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Senior Backend Software Developer - Python/Django
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Join Xelix, a fast-growing AI fintech scale-up, as a Senior Backend Developer. You will build robust, scalable Python/Django solutions and REST APIs in a hybrid London role. We seek 4+ years of Python/Django experience with AWS and CI/CD tools. Enjoy great benefits, a dog-friendly office, and a h...
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United Kingdom , London
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70000.00 - 80000.00 GBP / Year
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Xelix
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E-Trading Developer
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Join Barclays in London as an E-Trading Developer. You will enhance the Cash Equities Order Management Platform, focusing on low-latency Java development and electronic trading. Utilize your skills in performance tuning, C++, and Kubernetes to build scalable, high-availability solutions. This rol...
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United Kingdom , London
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Barclays
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PHP Developer
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Join a product-led UK business as a PHP Developer contractor. You will design and build clean, integration-heavy middleware services and BFF APIs. The role focuses on stitching together platforms using REST APIs, webhooks, and contributing to AI integrations. Experience with PHP backend systems a...
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United Kingdom
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Formula Recruitment
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SQL DBA and PowerBI Developer
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Join our team in Guildford as a SQL DBA and PowerBI Developer. You will manage and optimize our SQL Server data platforms and Data Warehouse, while developing insightful Power BI reports using SAP Datasphere. This hands-on role requires strong expertise in database administration, ETL/ELT pipelin...
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United Kingdom , Guildford
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Surrey Satellite Technology Limited
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.NET Developer
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Join our team as a Mid-level .NET Developer in Warrington. You will develop cloud-based SAAS solutions using .NET 8, C#, and Azure, focusing on a scalable ATS platform. This role involves client collaboration, mentoring junior developers, and working with modern tech like Angular 18. We seek a de...
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United Kingdom , Warrington
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45000.00 - 55000.00 GBP / Year
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360 Resourcing Solutions
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Senior Frontend Developer
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Join our team as a Senior Frontend Developer in Warrington, UK. You will build a scalable SaaS applicant tracking system using Angular 18 and .NET 8. We require 4+ years of commercial experience with Angular 17+, TypeScript, and modern CSS. Collaborate with designers and developers to translate U...
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United Kingdom , Warrington
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55000.00 - 65000.00 GBP / Year
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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.