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Senior Engineer (Backend) United Kingdom Jobs

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Senior Backend Engineer
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Senior Backend Engineer – Fully Remote in UK & Europe – £115,000. Join a high-growth mobile platform to build and scale the monetisation engine behind subscriptions, payments, and pricing. You’ll own the performance and reliability of revenue-critical systems, collaborating closely with Product a...
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115000.00 GBP / Year
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Orbis Consultants
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Senior Backend Engineer
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Join John Lewis Partnership as a Senior Backend Engineer in London. Develop high-traffic e-commerce platforms using Kotlin/Java, Spring Boot, and microservices. Champion Agile practices, TDD, and CI/CD while mentoring engineers. Enjoy benefits like a partner discount, pension, and opportunities f...
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United Kingdom , London
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52000.00 - 74000.00 GBP / Year
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John Lewis Partnership
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Senior Backend Engineer
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Join a leading team building large-scale esports infrastructure as a Senior Backend Engineer. Utilize your strong Golang expertise to develop high-throughput, real-time backend systems and microservices. Work remotely from the UK on platforms powering global tournaments and fantasy products. Expe...
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United Kingdom , Remote
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Not provided
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Signify Technology
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Senior Java Software Engineer – Core Backend Platform
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Join a remote-first, global team as a Senior Java Software Engineer. You'll build and maintain the core backend platform, focusing on stability and reliability for complex systems. This role requires strong Java fundamentals and a proactive mindset. Enjoy high autonomy in a low-ego, quality-drive...
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United Kingdom , London
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Orbis Consultants
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Senior Backend Software Engineer
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Join a leading crypto company in London as a Senior Backend Engineer. Design and scale high-performance, event-driven systems for real-time blockchain transactions. Leverage your expertise in distributed systems and Python/C++/Java, with a move to Rust. Build impactful infrastructure in a fast-pa...
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United Kingdom , London
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150000.00 GBP / Year
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Oho Group Ltd
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Senior Software Engineer – Backend
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United Kingdom , London
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Orbis Consultants
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Senior Backend Engineer, Vendor Risk Management
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United Kingdom , London
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Vanta
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Senior Backend Engineer
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United Kingdom , London
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Socure
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Senior Software Engineer – Backend
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United Kingdom , London
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Orbis Consultants
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Senior Software Engineer | Backend
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Join Apron in London as a Senior Backend Engineer to build secure, high-speed financial systems. We seek an expert with 6+ years' backend experience, proficiency in Kotlin/JVM, and cloud platform knowledge. You'll develop core integrations in a product-led startup, enjoying a competitive salary, ...
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United Kingdom , London
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Apron
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Senior Backend Engineer
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United Kingdom , London
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Octopus Energy
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Senior Software Engineer (Backend - EMR/EHR Integrations)
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Join our London team as a Senior Backend Engineer specializing in EMR/EHR integrations. You will design and build critical healthcare API connections using standards like HL7 and FHIR, with Python/FastAPI. This hybrid role offers equity, wellness days, and a direct impact on AI-powered clinical w...
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United Kingdom , London
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Heidi
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Senior Software Engineer – Backend
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United Kingdom , London
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Orbis Consultants
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Senior Backend Engineer, DeFi Wallet
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Join Blockchain.com as a Senior Backend Engineer for our DeFi Wallet in London. Build scalable, secure systems using JVM languages and open-source tech like Docker and Kafka. Enjoy a hybrid model, unlimited vacation, and equity in a leading crypto company shaping the future of finance.
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United Kingdom , London
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Blockchain
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Senior Backend Engineer - Data Ingestion
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Join us as a Senior Backend Engineer to scale our petabyte-level ClickPipes data ingestion platform. You will own cloud-native infrastructure across AWS, GCP, and Azure using Golang, Kubernetes, and Terraform. This UK-based role offers autonomy, equity, and a flexible work environment for a high-...
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United Kingdom
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ClickHouse
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Senior Backend Engineer (Analytics)
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Join hyperexponential as a Senior Backend Engineer (Analytics) in London. Build scalable Kotlin backend systems and AWS cloud infrastructure to power real-time, data-driven decisions for global insurers. Leverage modern data tools (dbt, Airflow, Spark) to transform complex datasets into actionabl...
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United Kingdom , London
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hyperexponential
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Senior Backend Engineer
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Join a leading fintech as a Senior Backend Engineer, building scalable systems for millions of users. Leverage your expertise in Golang, Python, or Java within a cloud-native, microservices environment on AWS/GCP. Collaborate cross-functionally to deliver high-impact products with a focus on perf...
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United Kingdom
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Orbis Consultants
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Senior Backend Engineer
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Join a leading tech-first fintech as a Senior Backend Engineer. Develop scalable, high-performance systems using Golang, Python, or Java within a cloud-native AWS/GCP environment. Collaborate cross-functionally to build impactful products for millions of users, leveraging microservices and event-...
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United Kingdom
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Orbis Consultants
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Senior Product Engineer (Backend)
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Join Plain in London as a Senior Product Engineer (Backend) and redefine B2B customer support with AI. You will architect and ship high-impact features for a product-led SaaS platform, working with distributed systems. This role offers autonomy, stock options, and the chance to shape both the pro...
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United Kingdom , London
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90000.00 - 130000.00 GBP / Year
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Plain
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Senior Backend Engineer
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Join our London team as a Senior Backend Engineer. You'll design solutions and ship code using Kotlin, Ruby, and Postgres within a mature engineering team. Drive impact, mentor junior engineers, and grow with a dedicated L&D budget.
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United Kingdom , London
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AlphaSights
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About the Senior Engineer (Backend) role

Explore Senior Engineer (Backend) Jobs and discover a pivotal career at the heart of technology innovation. A Senior Backend Engineer is a seasoned professional responsible for designing, building, and maintaining the server-side logic, databases, and application programming interfaces (APIs) that power modern web and mobile applications. This role is critical for ensuring scalability, performance, reliability, and security for millions of users. Professionals in these jobs move beyond basic coding to tackle complex architectural challenges, making high-level decisions that shape the technological foundation of a product or service.

Typical responsibilities for senior backend engineers include architecting and developing robust distributed systems, designing efficient and scalable APIs, and managing data storage solutions. They are deeply involved in the entire software development lifecycle, from conceptualization and technical design to deployment and ongoing optimization. A key aspect of the role is leading major technical initiatives, breaking down large projects into manageable deliverables, and mentoring mid-level and junior engineers. Senior engineers also champion best practices, conducting thorough code reviews, advocating for clean and maintainable code, and implementing robust testing and monitoring strategies.

The common skill set and requirements for senior backend engineer jobs are extensive. Expertise in one or more backend programming languages such as Java, Python, Go, C#, or Ruby is fundamental. A deep understanding of system design principles, including microservices architecture, database management (both SQL and NoSQL), and cloud platforms (AWS, Azure, GCP), is essential. These roles demand strong problem-solving abilities, a data-driven mindset for decision-making, and a focus on creating secure systems. Seniority is characterized by autonomy, the ability to drive projects to completion, and a proactive approach to collaborating with product managers and other engineering teams to align technical execution with business goals. Success in these positions also requires excellent communication skills to explain complex technical concepts and a commitment to continuous learning in a rapidly evolving field.

If you are an experienced developer seeking to leverage your technical leadership and deep architectural knowledge, browsing senior backend engineer jobs is your next step. This career path offers the opportunity to build foundational technology that drives user experience and business success, providing a challenging and rewarding environment for top engineering talent.

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