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Senior Software BE Engineer United Kingdom Jobs

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Senior Software Engineer - Java Full Stack, Futures Engineering
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Lead the development of a Cleared Derivatives back-office system in London. This senior Java Full Stack role requires 7+ years of back-end expertise, financial industry experience, and skills in microservices, Kafka, and Kubernetes. Contribute to ReactJS front-end and enjoy competitive compensati...
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United Kingdom , London
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Clear Street
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Senior Software Engineer
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Join a growing Manchester tech startup as a Senior Software Engineer. Build cloud-native, serverless systems using TypeScript and AWS in a collaborative DevOps environment. Enjoy a hybrid model with 2 days in the office and a 2pm Friday finish. Champion best practices like TDD and pair programmin...
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United Kingdom , Manchester
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50000.00 - 70000.00 GBP / Year
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Morson Talent
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Senior Software Engineer
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Join a mission-driven team in Manchester as a Senior Software Engineer. Develop scalable, serverless systems using TypeScript, AWS, and Graph databases. Enjoy high autonomy, complex challenges, and benefits including a bonus and hybrid working.
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United Kingdom , Manchester
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70000.00 - 80000.00 GBP / Year
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Morson Talent
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Senior Software Engineer
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Join Barclays as a Senior Software Engineer in Knutsford/Manchester. Design and develop cutting-edge solutions using Java, Spring Boot, and REST APIs. You will re-architect key systems, lead feature teams, and ensure engineering excellence. We offer private medical care, pension contributions, an...
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United Kingdom , Knutsford; Manchester
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Barclays
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Senior Software Engineer - Python
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Join Admiral Money in Cardiff as a Senior Python Engineer. Champion technical excellence within Agile teams, leveraging AWS, CI/CD, and secure development practices. Enjoy substantial benefits including generous holiday, share schemes, and flexible working while building innovative lending soluti...
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United Kingdom , Cardiff
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Admiral Group Plc
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Senior Software Engineer in Test, Python
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Join our team in Cambridge as a Senior SDET. You will revolutionize testing by architecting intelligent, AI-driven solutions using Python. Leverage predictive analytics and LLMs to prevent regressions and enhance production reliability. Enjoy comprehensive global and local benefits, including hea...
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United Kingdom , Cambridge
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Roku
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Senior Software Engineer, Python (Tools Development)
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Join Roku's software automation team in Cambridge as a Senior Python Engineer. Develop and enhance E2E test automation frameworks and web-based tools for embedded devices. Leverage your expertise in Python, React, CI/CD, and cloud technologies. Enjoy comprehensive benefits and support in a dynami...
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United Kingdom , Cambridge
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Roku
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Senior Software Engineer
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Join Arqit, a leader in quantum-safe cybersecurity, as a Senior Software Engineer in Belfast. Develop mission-critical, scalable encryption software using Python, with opportunities in Rust and AngularJS. Enjoy a comprehensive benefits package including equity, bonus, and private medical insuranc...
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United Kingdom , Belfast
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Arqit
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Senior Software Engineer
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Join a leading UK software house as a Senior Software Engineer. Develop innovative, global greenfield solutions using Java, Spring, and cloud tech. Enjoy a hybrid role with a bonus, shares, and a strong wellbeing package. Lead on AI-driven projects in a collaborative R&D environment.
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United Kingdom
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100000.00 - 120000.00 GBP / Year
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SF Technology Solutions
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Senior Software Engineer
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Join a fast-growing scale-up in Leeds as a Senior Full Stack Engineer. Develop flagship and new AI-driven products using React, Python, and GCP. Own features end-to-end in a cloud-native environment, shaping architecture and best practices. Enjoy a collaborative culture with a 15% performance bonus.
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United Kingdom , Leeds
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70000.00 - 90000.00 GBP / Year
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Lawrence Harvey
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Senior Software Engineer – Enterprise Platform
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Join Pynea as a Senior Software Engineer in London. Design and build secure, scalable enterprise workflows using TypeScript, GraphQL, and PostgreSQL. Leverage your AWS/GCP expertise to develop high-concurrency systems and ensure reliability. This contract role requires a self-directed professiona...
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United Kingdom , London
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Salt
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Senior Software Engineer
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Join a London-based startup revolutionizing sports data with real-time platforms. As a Senior Software Engineer, you'll design high-performance Go APIs and data pipelines. This remote/hybrid role offers equity, professional growth, and a collaborative, innovative environment.
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United Kingdom , London
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80000.00 GBP / Year
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Formula Recruitment
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Senior Software Engineer
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Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, and a passion for building secure, scalable systems. Enjoy comp...
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United Kingdom , London
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60000.00 - 120000.00 GBP / Year
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Oho Group Ltd
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Senior Principal Software Engineer
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Lead architectural development for cybersecurity products as a Senior Principal Software Engineer at Rapid7 in Belfast. This role requires 12+ years of Java experience and expertise in designing complex, scalable enterprise software. You will drive technical strategy, foster innovation, and champ...
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United Kingdom , Belfast
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Rapid7
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Senior Software Engineer in Quality Engineering
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Lead quality engineering for microservices in London. Design and drive automation strategy for GraphQL/REST APIs using TypeScript/Go. Build CI/CD pipelines and shape quality culture in this greenfield role.
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United Kingdom , London
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Sotheby's
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Senior Software Engineer – Backend
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Join a global payments leader in London, building resilient, event-driven backend systems at scale. We seek a Senior Java Engineer with deep distributed systems and cloud-native expertise. You'll design critical services for real-time financial flows, ensuring high performance and reliability. En...
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United Kingdom , London
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Orbis Consultants
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Senior Software Engineer
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Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, building scalable systems. Enjoy real ownership, competitive pa...
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United Kingdom , London
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60000.00 - 120000.00 GBP / Year
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Oho Group Ltd
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Explore a world of opportunity in senior software backend engineering jobs, where experienced professionals architect the core logic and services that power modern applications. A Senior Backend Engineer is a pivotal technical leader responsible for designing, building, and maintaining the server-side components, databases, and APIs that form the foundation of software systems. This role goes beyond writing code; it involves making critical architectural decisions that ensure scalability, reliability, security, and performance as user bases grow and data volumes increase. Professionals in these jobs typically own the end-to-end development of robust backend services. Common responsibilities include designing and implementing efficient data models and database schemas, building well-documented and secure RESTful or GraphQL APIs, and developing the business logic that drives application functionality. They are deeply involved in integrating various third-party services, managing authentication and authorization systems, and ensuring data integrity and protection. A significant part of the role is optimizing system performance, diagnosing complex bottlenecks, and planning for scalability, often using cloud-native patterns like microservices, serverless functions, and event-driven architectures. Furthermore, senior engineers are expected to establish and champion best practices in code quality, testing, and deployment, frequently mentoring junior team members and collaborating closely with frontend engineers, DevOps specialists, and product managers. The typical skill set for these senior roles is extensive. Proficiency in one or more backend programming languages such as Python, Java, Go, C#, or Node.js is fundamental. A strong grasp of database technologies, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB), is essential. Candidates are expected to have hands-on experience with cloud platforms like AWS, Azure, or Google Cloud, and with infrastructure-as-code tools such as Docker and Kubernetes. Understanding CI/CD pipelines, version control with Git, and comprehensive testing strategies are standard requirements. Beyond technical prowess, successful senior backend engineers possess excellent problem-solving abilities, clear communication skills for articulating complex technical concepts, and a proven track record of taking ownership of projects from conception to deployment and iterative improvement. For those with the requisite experience and a passion for building resilient systems, senior software backend engineer jobs offer a challenging and rewarding career path at the heart of technological innovation.

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