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Software engineer United Kingdom, London Jobs (Hybrid work)

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Senior Software Supply Chain Security Engineer
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Join our London team as a Senior Software Supply Chain Security Engineer. You will design and implement secure, cloud-centric solutions using AWS, Kubernetes, and Terraform. Champion DevSecOps practices and integrate security into CI/CD pipelines within an inclusive, flexible culture. Drive engin...
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United Kingdom , London
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Citi
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Lead Golang Software Engineer
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Lead the development of cutting-edge AI products at Citi's innovation hub in London. This role requires deep Golang expertise and hands-on Kubernetes experience to build scalable, high-performance platforms. You will pioneer Generative AI solutions while mentoring a talented engineering team. Enj...
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United Kingdom , London
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Citi
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Senior Software Engineer
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Join our London team as a Senior Software Engineer. You will design technical architecture and lead complex projects in Scala/Python, shaping the SolstiCE platform. This role offers a bonus, private medical care, and 27 days' leave. Drive efficiency and automation for our Equity Derivatives busin...
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United Kingdom , London
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Citi
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Staff Software Engineer
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Join Ledger's Cloud Wallet team in London as a Staff Software Engineer. Build robust, scalable backend services in Scala/TypeScript for crypto wallet management. Leverage functional programming to power blockchain-based products in a hybrid work environment with equity and comprehensive benefits.
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United Kingdom , London
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Ledger
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Staff Software Engineer - Backend
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Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, scalable services in a polyglot environment using Scala and TypeScript. A passion for functional programming, blockchain technology, and teamwork is key. Enjoy equity, hybrid work, and comprehensive health benefits.
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United Kingdom , London
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Ledger
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Staff Software Engineer - Backend
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Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, high-performance Scala services for crypto wallet management in a hybrid work environment. Leverage functional programming, optimize with CI/CD, and dive into blockchain protocols. Equity, comprehensive health insuran...
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United Kingdom , London
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Ledger
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Software Engineer - Equities Tech
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Shape the future of global finance as a Software Engineer in London. Develop greenfield structured products using React, TypeScript, Kotlin, and Kafka within a microservices architecture. Embrace DevOps, CI/CD, and Agile practices while enjoying a hybrid model, bonus, and comprehensive benefits.
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United Kingdom , London
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Citi
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Senior Software Engineer
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Join a scaling B2B SaaS firm in London, building a global compensation intelligence platform. As a Senior Software Engineer, you'll own core features end-to-end with TypeScript across the stack. We seek a collaborative expert who designs scalable systems and mentors peers, offering a clear path t...
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United Kingdom , London
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110000.00 GBP / Year
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Oho Group Ltd
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Lead Software Engineer
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Lead Software Engineer role in London for a scaling B2B SaaS platform. Take ownership of core systems, driving technical direction in TypeScript (Node.js/frontend). Lead complex projects, mentor engineers, and shape architecture in a fast-paced environment. Competitive salary, equity, and benefit...
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United Kingdom , London
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135000.00 GBP / Year
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Oho Group Ltd
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Senior Software Engineer
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Join Citi's XiP team in London as a Senior Software Engineer. Design and optimize the core distributed Risk Calculation Engine for global trading desks. Leverage your deep Java, Spring, and large-scale system expertise in a pivotal role. Enjoy global benefits supporting your well-being and profes...
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United Kingdom , London
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Citi
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Senior Software Engineer
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Join our In-Car Payments Engineering team in London as a Senior Software Engineer. You will build secure, cloud-based transaction systems using TypeScript, Node.js, and AWS serverless services. Your expertise in PCI DSS, API security, and Terraform will be key to delivering cutting-edge in-car co...
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United Kingdom , London
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Arrive
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Senior/Principal Software Engineer
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Seeking a Senior/Principal Software Engineer in London to lead backend development on a PHP/MySQL/AWS platform. You will architect scalable RESTful APIs, optimize database performance, and guide the team with modern CI/CD practices. This role demands strong PHP expertise, a passion for Golang, an...
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United Kingdom , London
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Arrive
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Senior Software Engineer
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Join our London team as a Senior Software Engineer. You will develop scalable PHP/MySQL platforms and RESTful APIs on AWS, focusing on performance and security. We value expertise in modern CI/CD, software architecture, and mentoring. Enjoy a collaborative, supportive, and inclusive work environm...
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United Kingdom , London
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Arrive
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Software Engineer (Kotlin), Institutional
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Join our Institutional team in London as a Kotlin Software Engineer. Design and build scalable backend systems, APIs, and microservices for advanced financial platforms. We seek strong Kotlin expertise, a passion for fintech challenges, and a commitment to quality-driven engineering. Enjoy a high...
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United Kingdom , London
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Blockchain
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Senior Software Engineer
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Join Blockchain.com as a Senior Software Engineer in London. Build low-latency trading systems in RUST, focusing on OMS and exchange gateways. Leverage your Python, SQL, and trading systems expertise in a hybrid role with a "work from anywhere" policy, equity, and unlimited vacation.
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United Kingdom , London
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Blockchain
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Software Engineer, Fraud
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Join Blockchain.com in London as a Software Engineer, Fraud. Utilize your 7+ years in JVM languages to build secure, scalable backend systems for crypto brokerage. Enjoy a hybrid model, unlimited vacation, and equity in this industry-leading company shaping the future of finance.
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United Kingdom , London
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Blockchain
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Software Engineer, Market Making
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Join a leading cryptocurrency trading platform in London as a Software Engineer. Design and optimize low-latency trading systems in Rust/C++ for market-making and arbitrage strategies. Collaborate with traders and quants in a dynamic, innovative environment with a hybrid work model and global rem...
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United Kingdom , London
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Blockchain
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Lead Software Engineer
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Lead Software Engineer role in London, offering a hybrid model. Drive technical excellence and architecture using C#, .NET, React, and Azure in a cloud-first environment. Mentor teams, lead high-impact projects, and champion innovation with AI tools. Benefits include private healthcare, a sabbati...
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United Kingdom , London
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Capital on Tap
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Team Lead Software Engineer
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Lead a talented engineering team while staying hands-on with C#/.NET and React development in this London-based role. You'll drive project delivery, mentor engineers, and shape technical strategy using Azure and modern practices. Enjoy extensive benefits including private healthcare, a generous p...
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United Kingdom , London
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Capital on Tap
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Senior Software Engineer (Infrastructure)
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Join our London team as a Senior Infrastructure Software Engineer. Build and own scalable backend systems for massive AI training datasets using PostgreSQL, ClickHouse, and Python/Typescript. Enjoy a competitive package with equity while solving complex problems in a high-performance, in-person c...
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United Kingdom , London
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Encord
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Explore the dynamic and in-demand world of software engineering jobs, where professionals design, build, and maintain the digital infrastructure that powers modern life. Software engineers, often synonymous with developers, are the creative problem-solvers and architects behind websites, mobile apps, operating systems, and complex enterprise systems. This career path blends analytical thinking with creative design to translate user needs and business goals into functional, efficient, and scalable software solutions. The core responsibility of a software engineer is the full software development lifecycle. This typically begins with analyzing requirements and collaborating with product managers, designers, and other stakeholders. Engineers then design system architecture, write clean and maintainable code, and rigorously test their creations to ensure reliability and performance. A significant part of the role involves debugging issues, optimizing existing systems, and deploying updates. Many engineers also participate in code reviews to maintain quality standards and contribute to technical documentation. In today's agile environments, they often work in iterative cycles, continuously integrating and delivering new features. Software engineering jobs can be specialized, but common areas include front-end (client-side), back-end (server-side), and full-stack development. Front-end engineers focus on user interfaces and experiences using technologies like HTML, CSS, and JavaScript frameworks. Back-end engineers build the server logic, databases, and application programming interfaces (APIs) that power functionality behind the scenes. Full-stack engineers possess skills across both domains. Other specializations include DevOps, security, data engineering, and cloud-native development. Typical skills and requirements for these roles are both technical and soft-skills based. Fundamentally, proficiency in one or more programming languages such as Python, Java, JavaScript, C#, or Go is essential. Understanding data structures, algorithms, and system design principles is crucial. Experience with frameworks, databases (SQL and NoSQL), and version control systems like Git is commonly expected. As software is increasingly built for the cloud, familiarity with services from providers like AWS, Azure, or GCP is a valuable asset. Equally important are strong problem-solving abilities, attention to detail, and effective communication skills for teamwork. While many positions require a degree in computer science or a related field, a proven portfolio and relevant experience are also highly valued pathways into software engineering jobs. The profession offers immense variety, with opportunities to build everything from life-saving health applications and financial platforms to immersive games and cutting-edge AI tools. It is a career characterized by continuous learning, collaboration, and the tangible impact of creating products used by millions. For those with a logical mind and a passion for building, software engineering jobs present a rewarding and future-proof career path with endless possibilities for innovation and growth.

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