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Senior Developer United Kingdom Jobs

109 Job Offers

Senior Software Developer in Test
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United Kingdom , London
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Ten10
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Senior WordPress Developer
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United Kingdom
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Data Idols
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Senior Full Stack Developer
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Join AND Digital as a Senior Full Stack Developer in Leeds. Champion software quality using Node, React, and cloud platforms (Azure/AWS) on impactful client projects. Enjoy a superb benefits package, including a £1k flexifund, blended working, and dedicated career support. Help close the digital ...
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United Kingdom , Leeds
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AND Digital
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Senior Front-End Developer
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United Kingdom
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NEC Software Solutions
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Senior Front-End Developer
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United Kingdom
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NEC Software Solutions
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Senior Developer
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Lead full-stack development and project delivery for a multi-tenant SaaS platform at Opus 2 in Edinburgh. Leverage your expertise in TypeScript, AWS, and distributed systems to build scalable, API-first solutions. Mentor engineers and shape technical strategy while enjoying a comprehensive benefi...
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United Kingdom , Edinburgh
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Opus 2
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Senior Developer Relations Advocate
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Join ClickHouse as a Senior Developer Relations Advocate in London. Engage our global developer community through talks, content, and events, leveraging your technical data background. Enjoy high impact, equity, and a flexible work environment while shaping our Developer Relations function.
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United Kingdom , London
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ClickHouse
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Senior Python Developer
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Join our Glasgow team as a Senior Python Developer in Financial Crime Technology. You will design and optimize Python services, data pipelines, and infrastructure using Spark, NoSQL, and CI/CD tools. We offer private medical care, pension contributions, and a competitive holiday allowance for thi...
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United Kingdom , Glasgow
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Barclays
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Senior Software Developer
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Join Clue in Bristol as a Senior Software Developer. Leverage your expertise in C#, .NET, Azure, and modern frontend frameworks like React or Angular. You'll build scalable solutions in an agile team, actively using AI tools like GitHub Copilot to innovate. Enjoy benefits including share options,...
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United Kingdom , Bristol
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Clue Software
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Senior Agentic AI Developer
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Lead the development of next-generation Agentic AI systems for Finance in Leeds/Bradford. This senior role requires hands-on Python and experience with LangChain, Knowledge Graphs, and LLM orchestration. Design, build, and deploy autonomous AI products in a cloud-native environment with a competi...
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United Kingdom , Leeds / Bradford
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90000.00 - 110000.00 GBP / Year
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Lawrence Harvey
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Senior .NET Developer
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Join Solirius in London as a Senior .NET Developer. Develop cutting-edge solutions using .NET C#, ASP.NET Core, and cloud platforms (Azure/AWS/GCP). Enjoy a collaborative Agile environment with benefits like private healthcare, bonus schemes, and flexible working. Leverage your expertise in API d...
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United Kingdom , London
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Solirius Consulting
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Senior Software Developer
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Join our dynamic London team as a Senior Software Developer. You will design and deploy robust Java applications within a Linux/AWS environment, utilizing TDD/BDD and microservices. We seek an expert in scalable cloud solutions who thrives in collaborative innovation. Enjoy benefits like private ...
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United Kingdom , London
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58000.00 GBP / Year
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Spyrosoft
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Senior Developer Success Engineer - EMEA
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Join Temporal as a Senior Developer Success Engineer in London. Provide frontline technical expertise, helping developers deploy and scale our platform in cloud-native environments like AWS, GCP, and Kubernetes. Ideal candidates have 6+ years of development experience, proficiency in languages li...
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United Kingdom , London
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100000.00 - 112000.00 GBP / Year
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Temporal
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Senior AI Frontend Engineer (Developer Productivity)
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Join Citi in Belfast as a Senior AI Frontend Engineer. Leverage your deep React/TypeScript expertise to build the UI for a next-gen AI Developer Productivity platform. You'll transform cutting-edge Generative AI into intuitive experiences for 50,000+ global engineers. Enjoy top benefits including...
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United Kingdom , Belfast
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Citi
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Senior Python Developer
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Join a profitable, product-led B2C business scaling its successful platform. As a Staff/Principal-level Python Developer, you'll own architecture and key technical decisions with high autonomy. This fully remote UK role offers equity and the chance to impact a product with a large, paying user base.
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United Kingdom
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110000.00 GBP / Year
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Oho Group Ltd
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Senior Backend Software Developer - Python/Django
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Join Xelix, a fast-growing AI scale-up, as a Senior Backend Developer. You will build robust, scalable Python/Django solutions and REST APIs in a hybrid London role. Leverage your expertise in AWS, PostgreSQL, and CI/CD to shape the future of financial automation. Enjoy great benefits, including ...
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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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Senior eFX Algo Developer
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Join our London team as a Senior eFX Algo Developer. You will design and enhance low-latency Java pricing and trading systems for the FX desk. This front-office role requires strong Java, multithreading, and FIX protocol expertise within an Agile environment. Collaborate closely with traders to d...
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United Kingdom , London
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Crédit Agricole
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Senior Full Stack Developer
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Join our Manchester-based Tech team as a Senior Full Stack Developer. You will build and optimize Shopify e-commerce platforms using your expertise in Liquid, Node.js, JavaScript, and AWS Lambda. Enjoy a collaborative culture, flexible hours, a 40% staff discount, and comprehensive benefits. Leve...
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United Kingdom , Manchester
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Club L London
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Senior C# Developer
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Join a growing SaaS business in Kings Lynn as a Senior C# Developer. Focus on modernising platforms using .Net Core, C#, and Angular/React in a full-stack, front-end-leaning role. Enjoy a hybrid model (3 days onsite), private healthcare, and clear career progression. Shape architecture and influe...
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United Kingdom , Kings Lynn
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50000.00 - 60000.00 GBP / Year
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Cooper Lomaz
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Senior Elixir / Erlang Developer - Technical Lead
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Lead our development team as a hands-on Technical Lead, leveraging your deep Elixir/Erlang expertise. You'll set technical direction, mentor engineers, and drive high-quality project delivery in a remote-first environment. Enjoy a comprehensive benefits package including bonus, private health, an...
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United Kingdom , London
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Erlang Solutions
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About the Senior Developer role

Senior Developer Jobs represent the pinnacle of technical expertise and leadership within software engineering teams. Professionals in these roles are seasoned experts who not only write high-quality code but also architect complex systems, guide technical strategy, and mentor less experienced engineers. They are the crucial bridge between high-level business objectives and practical, robust technical implementation, ensuring that software solutions are scalable, secure, and aligned with long-term organizational goals.

Typically, a Senior Developer is responsible for the entire software development lifecycle of significant components or applications. This includes leading the design and architecture of new systems, often leveraging modern paradigms like microservices and event-driven architecture. They write, review, and debug complex code, setting standards for quality and maintainability. A key part of their role involves making pivotal technology stack decisions, selecting frameworks, databases, and tools that best fit project requirements. They collaborate closely with cross-functional teams, including product managers, business analysts, and other stakeholders, to translate business needs into technical specifications. Furthermore, Senior Developers are expected to drive best practices in coding, testing, and deployment, frequently overseeing CI/CD pipelines and advocating for DevOps and security principles (DevSecOps).

The common skill set for these jobs is both deep and broad. Mastery of one or more core programming languages (such as Java, Python, C#, or JavaScript) and their associated ecosystems is fundamental. Expertise in relevant frameworks (e.g., Spring Boot, .NET Core, React, Angular) is essential. Senior Developers possess a strong grasp of system design principles, database management (both SQL and NoSQL), and API design (REST, GraphQL). Experience with cloud platforms (AWS, Azure, GCP), containerization (Docker), and orchestration (Kubernetes) is increasingly standard. Beyond technical prowess, soft skills are critical: leadership, clear communication, effective mentorship, problem-solving, and the ability to manage time and priorities across multiple projects are what distinguish a senior professional.

Typical requirements for Senior Developer jobs often include a bachelor’s degree in computer science or a related field (or equivalent practical experience) and a substantial track record, usually between 5 to 10+ years of progressive software development experience. Demonstrated experience in leading development initiatives, making architectural decisions, and working within Agile/Scrum methodologies is commonly sought. The role demands a proactive, strategic thinker who stays abreast of emerging technologies and can drive innovation while ensuring system reliability and performance. For those seeking to advance their impact beyond pure coding into areas of design, strategy, and team leadership, exploring Senior Developer jobs is the definitive next step in a thriving tech career.