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Software Engineer United Kingdom, London Jobs

236 Job Offers

Principal Software Engineer
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Principal Software Engineer sought by Microsoft’s ISE team in London to co-engineer high-scale solutions with customers. You will lead technical strategy, containerize workloads, and leverage AI to solve complex challenges. Requires deep coding expertise (C++, Python, etc.) and customer-facing ex...
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Microsoft Corporation
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Senior Software Engineer
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Senior Software Engineer sought by SourceWhale, the Financial Times’ fastest-growing software company in Europe 2025. You will lead complex technical delivery, drive architectural excellence, and mentor engineers in a remote/hybrid UK-based role. Key requirements include strong Python backend ski...
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SourceWhale
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Principal Software Engineer
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Principal Software Engineer sought by Mastercard to lead DevOps automation across on-prem and cloud infrastructure. Leverage Terraform, Ansible, Chef, and Kubernetes to build CI/CD pipelines and drive Infrastructure as Code. Requires 10+ years’ experience, strong Linux skills, and cloud expertise...
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Mastercard
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Senior Software Platform Engineer
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Senior Software Platform Engineer sought by a top growth investment firm in London. You'll build a modern, AI-first internal platform, working across software and infrastructure with Python and GCP. This role offers high ownership, mentoring junior engineers, and contributing to agentic AI workfl...
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120000.00 - 140000.00 GBP / Year
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Arrows Groupe
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Low Latency E-Trading Software Engineer
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Join Citi’s Equities Technology team in London as a Low Latency E-Trading Software Engineer. You will design and deliver next-gen electronic execution platforms, including Algorithmic Trading and Smart Order Routing. We seek expertise in Java, C++, or Rust with strong low-latency system design sk...
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Citi
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Principal AI Software Engineer, Senior Vice President
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Principal AI Software Engineer, SVP role in London. Architect scalable backend systems for advanced AI tools, leveraging expert Python, FastAPI, and Generative AI frameworks like LangChain. Requires deep ML knowledge and full lifecycle ownership. C++ expertise is a bonus. Benefits include 27+ day...
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Citi
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Lead Software Engineer - AI Products
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Lead Software Engineer - AI Products at hyperexponential. Architect and ship AI-driven systems in Python, Rust, or Kotlin, solving complex data and reliability challenges. Based in London, you'll lead cross-functional teams, build domain-specific copilots, and scale production AI. Benefits includ...
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hyperexponential
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Software Engineer (Rust)
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Join hyperexponential as a **Software Engineer (Rust)** in London to build the AI-powered platform transforming a $7 trillion insurance industry. You’ll design high-performance backend systems, focusing on correctness, concurrency, and resource efficiency. Backed by a16z, we offer £5,000 training...
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hyperexponential
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Staff Software Engineer
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Staff Software Engineer role in London, offering £130K–£140K plus equity. You will design and evolve backend services for AI systems, focusing on large-scale data processing and secure enterprise workflows. Requires deep expertise in Python, PostgreSQL, RESTful APIs, and containerised environment...
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130000.00 - 140000.00 GBP / Year
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Data Idols
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Software Engineer
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Join MI5 as a Senior Software Engineer in London or Manchester. Develop secure applications using Java, Python, or C# with cloud technologies like AWS and Azure. Mentor teams, drive agile delivery, and solve complex challenges. Enjoy 25 days leave, excellent pension, and dedicated development bud...
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Location
United Kingdom, London, Manchester
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Salary
64005.00 - 70791.00 GBP / Year
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Social Value Portal Ltd
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Shopify Software Engineer
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Join our London team as a Shopify Software Engineer to own front-end development across multi-store setups. You’ll leverage Liquid, Shopify CLI, and CI/CD pipelines to craft high-performance shopping experiences. We seek expertise in Git, modern build tools (Vite/Webpack), and testing. Enjoy 50% ...
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50000.00 - 70000.00 GBP / Year
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Oh Polly
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Software Engineer
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Join Zuora as a Software Engineer in London to build and scale Zephr, an AI-powered subscription platform for top media companies. You’ll work with Java/Kotlin, React, and modern APIs, focusing on high-quality, testable code and webscale traffic. Enjoy competitive compensation, flexible time off,...
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Zuora
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Software Asset Management Engineer
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Senior Software Asset Management Engineer needed to rebuild SAM capability for a tier-one financial services firm in London. This senior role demands expertise in licensing models (SaaS, cloud, perpetual), ServiceNow SAM Pro, and audit leadership. You will shape governance, drive cost optimisatio...
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650.00 GBP / Hour
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Harrington Starr
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C++ Software Engineer
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Join a top-tier financial tech firm in London as a C++ Software Engineer. You’ll build high-performance, large-scale systems with a focus on low latency and scalability, using C++ and Python. This role offers real ownership in a microservice architecture, collaborating with elite engineers on nex...
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Hunter Bond
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Python Software Engineer
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Join a top-tier finance firm in London as a Python Software Engineer. You’ll build high-performance, scalable data platforms using Python, RESTful services, SQL, and big data tools like Spark and Kafka. Collaborate with elite technologists on advanced financial systems, influencing design and the...
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150000.00 GBP / Year
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Hunter Bond
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Mid Level Java Software Engineer
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Mid-Level Java Software Engineer sought by a leading fintech firm to join their London team. You will build and scale production-grade systems that directly impact revenue, collaborating with front-office and trading teams. Ideal candidates have 2–5 years of Java experience and a Computer Science...
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Salary
120000.00 GBP / Year
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Hunter Bond
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About the Software Engineer role

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.