301 to 325 of 428 Software Engineering Jobs in London

looking for an Infrastructure Software Engineer to help keep our clients' systems reliable, secure, and scalable. This is a hands-on role working across a broad stack - from Linux servers and networking to containers and big data platforms - with a strong focus on automation and problem-solving. The successful … data systems (e.g., Spark, HDFS, Airflow) Summary A great opportunity for someone who enjoys solving complex infrastructure challenges, automating systems, and working closely with engineering teams. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. ...

looking for an Infrastructure Software Engineer to help keep our clients' systems reliable, secure, and scalable. This is a hands-on role working across a broad stack - from Linux servers and networking to containers and big data platforms - with a strong focus on automation and problem-solving. The successful … data systems (e.g., Spark, HDFS, Airflow) Summary A great opportunity for someone who enjoys solving complex infrastructure challenges, automating systems, and working closely with engineering teams. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. ...

Principal Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will … migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with a focus on engineering best practice and continuous improvement of client systems; you will have lots of business and client exposure, leading projects and providing expertise. Location/ ...

Next, GraphQL, AWS Location: Central London (London Bridge/Bank) WFH/Hybrid: 2-3 days in office I’m hiring a full-stack Software Engineer for a small, high-velocity team building an AI-native platform used by major financial organisations. Think: complex data, real users, real impact … offs Refining architecture as the platform scales (multi-tenant + AI-heavy) Shipping to production fast and often Experimenting with AI tools to accelerate engineering Why This Team? You’ll build complex, high-value product used by serious customers Join a small, elite group that genuinely cares about craft ...

winning digital product studio known for building beautifully crafted, human-centred digital products for global clients. With a strong reputation across design, product and engineering, they deliver impactful work across the full product lifecycle — from early discovery through to large-scale builds. They’re now looking for a Lead … with AI-assisted development or building AI-enabled features Exposure to accessibility (WCAG) or system design at scale Interest in emerging technologies and evolving engineering practices Why This Role? Genuine ownership of technical delivery and direction Opportunity to work on complex, meaningful digital products Collaborative, cross-functional environment with ...

Software Engineer, C#, .NET, Azure, React, COR7545B We’re looking for a mid-senior level Software Engineer to join the newly-created team of a leading financial services company based in Reading. The Software Engineer will work in a fully cloud-based Azure environment, to deliver … products and capabilities to an Azure cloud-based platform. The Role Having brought development in-house that was previously outsourced, the Software Engineer will be responsible for developing high-quality applications using C#, .NET, React and SQL Server, ensuring clean architecture and maintainable code. The Software Engineer will ...

increased responsibility as you make a direct impact on our ambitious growth targets. Key Skills: Strong understanding of TypeScript and React Full-stack engineering skills, particularly with a front-end focus Comfortable working with SQL and data analysis tools Experience with experimentation, UX design, and product development Keen interest ...

ambitious, from zero to seven figures in recurring revenue within its first year and plus over £20million in funding already!! As a Senior Software Engineer, you’ll join a small, high calibre team where ownership is everything. You’ll work primarily on the backend, integrating with LLMs, and collaborating … next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, React or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working ...

Principal Software Engineer (Go/Systems) 🚀 Series B Scale Up 🔬 Life Sciences Salary : £170,000 plus package Location : Angel (3 days per week in office) Requirements : Backend engineering specialist, with expertise in Golang, Python, Rust, Kubernetes The Mission: Orchestrating Physical Reality 🤖 I am working with a Series … disrupting the Life Sciences sector by building a cloud-to-hardware "Operating System" that automates human health. They are looking to hire a Principal Software Engineer who will be the technical heavyweight that 5–6 Staff Engineers rally behind. ⚡ The Technical Core The ecosystem is built for high-concurrency ...

every 4 - 8 weeks) Salary: Up to £100,000 An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that … doing? Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer ...

Software Engineer (Mid–Senior) | Energy Tech | London, Hybrid We are building the software layer for a decarbonised grid... code that directly controls EV chargers, home batteries, heat pumps. The platform uses ML to predict energy demand in real time and shift load to when power is cheapest … 10M+, backed by investors with early stakes in Slack, Meta, and BeReal , and growing quickly! Backend-heavy Python, though spanning product, devops, and data engineering too. You'll write production code managing tens of thousands of physical assets, talk to clients, get feedback from users, and work directly with ...

Frontend Software Engineer (Contract) - £600 - £685 per day (Inside IR35)- Initial contract until 31st December - ASAP start We're currently partnering with a global technology organisation to hire an experienced Frontend Software Engineer to join a high-impact product team focused on building and evolving critical compliance … verification tooling. This is an excellent opportunity to work on complex, large-scale frontend systems within a modern engineering environment, contributing to the simplification and unification of multiple internal tools into a single, streamlined platform. You'll take ownership of frontend development across key products, working closely with compliance ...

Senior Software Engineer (Full Stack, TypeScript) £100k–£120k | London (Hybrid) I’m working with a high-growth consumer technology company building a platform used by thousands of customers across London every day. The business operates in the rapid-delivery/convenience commerce space, combining logistics, retail and technology into … company has consolidated around its core London market and is now entering a new growth phase with fresh funding and a long runway. Engineering plays a central role in the business. Teams operate with a startup mentality: high ownership, fast execution and minimal bureaucracy. Engineers work closely with product ...

Saturday once per month). Java Developer - IDAM/IDM experience - SC Cleared - £500 - £600 per day - remote with occasional travel As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing, building, and evolving high-performance, server-side applications. … applications that interact with at least one IDAM platform (e.g., ForgeRock, One Identity, Okta, Azure AD, AuthO) . Java development . Jenkins . Reverse engineering . Working collaboratively in a close-knit team and being able to work independently on Jira tickets 'Nice to haves' include: . Ansible . ...

Backend Software Engineer/Developer (Java Kafka) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What … Software Engineer/Developer you will earn a highly competitive package: Salary to £90k Hybrid working (x2 days WFH per week) Pension, Life Assurance, Income Protection Private medical care for you and your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

Senior Software Engineer Location: London (Hybrid/On-site) Salary: £100,000 – £150,000 + equity About the Company We’re working with an early-stage, venture-backed legal technology startup on a mission to transform one of the UK’s most broken consumer experiences: the legal process behind … earliest engineers in the business. You’ll be part of a small, high-calibre team of generalists who value product thinking, speed, and engineering craft. From day one, you’ll have significant ownership, shaping product direction, shipping to production quickly, and working directly with users to define what should ...

Staff Software Engineer | Golang & TypeScript/React | London (Hybrid) Salary: £100,000 - £115,000 (+/- 10% DOE) We're working with an early-stage product company building a platform that sits at the intersection of data, automation, and decision-making. The team is tackling a complex problem around … organisations operate and optimise processes at scale, using modern software and AI to improve speed, accuracy, and outcomes. It's a product-led environment with high ownership, where engineering plays a central role in shaping both the system and how it's used. The Opportunity Play ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains ...

Senior Software Engineer (Golang/Python) | Drug discovery Platform | Fully Remote, EU/UK| Base Salary Up to £110,000, plus early equity+benefits I am currently partnering with an elite engineering team building a world-class platform for decentralised and federated computing. They are solving … technical design and lifecycle of production services used by some of the world’s largest pharmaceutical and data-intensive enterprises. Responsibilities for the Senior Software Engineer (Golang/Python) | Drug discovery Platform | Fully Remote, EU/UK | Base Salary Up to £110,000, plus early equity+benefits Design and evolve ...

Level Machine Learning Engineer to design, build, and deploy machine learning models into production environments. You will work closely with data scientists and software engineers to develop scalable ML pipelines, optimise model performance, and integrate machine learning capabilities into production systems. The role involves working with large datasets, building … Work with large datasets to build predictive and analytical models • Collaborate with data scientists to transition models from research to scalable production systems ML Engineering and Deployment • Design and maintain machine learning pipelines and model deployment infrastructure • Implement automated model training, validation, and monitoring processes • Ensure models are scalable ...

optimization, ranking and recommendation. What You’ll Do Within the Sharechat AI team, we are looking for an experienced Staff engineer to lead the engineering efforts around serving personalization models efficiently at scale, leading efforts across 10+ MLEs, SDEs and decision scientists working on feed ranking and candidate generation … changing, and we’re making big progress at a rapid pace. Who are you? 8+ years of industry experience with a solid understanding of engineering, infrastructure and ML best practices. Strong coding skills with Go or JAVA Design and help develop systems that serve recommendations to over 300 million ...

Software Engineer - Axiom ControllerView Hybrid - 3 days per week onsite We are looking for a skilled Software Engineer with strong experience in Axiom ControllerView (AxiomSL), SQL, and Regulatory Technology to support the development and enhancement of regulatory reporting solutions. This role sits within a fast-paced, Agile delivery … Strong SQL skills with experience handling large and complex datasets Experience in Regulatory Technology or financial/regulatory reporting environments Solid understanding of data engineering principles, data quality frameworks, and data lineage Experience working within Agile delivery models Strong analytical and problem-solving skills with attention to detail Nice ...