201 to 225 of 312 Software Engineering Jobs in Central London

Senior Backend Software Engineer A rapidly scaling, AI-driven health-tech organisation (Series A funded) is hiring an experienced Senior Backend Engineer to help build and scale the backend infrastructure powering cutting-edge clinical knowledge tools used by hundreds of thousands of clinicians globally. This is a role with … Work cross-functionally with product, frontend, and leadership Write clean, well-tested, maintainable code What You’ll Bring 5+ years’ experience in production backend engineering Strong AWS proficiency Experience designing scalable, cloud-native systems Pragmatic problem-solver with a high bar for quality Experience in smaller teams/startups ...

efficient, maintainable queries and manage data pipelines for analytics and modelling workflows. Model development & deployment: Familiarity with deploying models into production environments, collaborating with engineering teams, and using tools like MLflow or Weights & Biases for experiment tracking and reproducibility. Proof of work in cloud environments, especially MS Azure … needs into technical solutions and ensure successful delivery and adoption. About Us: We are a new, but growing team of AI specialists- data scientists, software engineers, and technology strategists - working to transform how an alternative investment firm with $65B in assets under management leverages technology and data. Our remit ...

Software Engineer | Building Intelligent Systems That Make an Impact Central London 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful, mission-driven … contribute to projects such as AI-powered tools for analysts and operators, secure data pipelines, and innovative prototypes that explore new frontiers in software capability. You’ll become part of a tight-knit, highly capable engineering group that values independence, precision, and tangible outcomes. This is a place ...

Senior Software Engineer (Full-stack) - Permanent | On-Site | London Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early team members. As a Senior Software Engineer ...

Senior Software Engineer (Kotlin) ?? £85,000 - £95,000 + bonus + excellent Benefits ?? Hybrid - 2 days onsite in Central London (Zone 1) Are you a JVM engineer curious about Kotlin - or already loving it? Want to solve complex problems that contribute to a greener, more sustainable world? ???? Join … high-calibre engineering team building modern, customer-facing and energy-focused systems in one of the UK's most exciting clean tech companies. You'll join one of their core teams, diving deep into production systems, identifying bottlenecks, and driving long-term architectural decisions that support scale, resilience ...

based in Hammersmith are building cutting-edge products that will transform how teams work with intelligent technology are looking for a talented Full Stack Software Engineer to join a small, high-impact team. What you’ll do Design, build, and ship features across their AI-powered product suite Work … What we’re looking for Strong commercial experience in Golang Solid knowledge of TypeScript and React for frontend development Experience working across the full software lifecycle Self-driven, curious, and excited by technical challenges Bonus points Experience with Kubernetes , containerisation, and cloud infrastructure Background in distributed systems, real-time ...

Software Engineer (Kotlin) ?? £65,000 - £80,000 + bonus + excellent Benefits ?? Hybrid - 2 days onsite in Central London (Zone 1) Are you a JVM engineer curious about Kotlin - or already loving it? Want to solve complex problems that contribute to a greener, more sustainable world? ???? Join a high … calibre engineering team building modern, customer-facing and energy-focused systems in one of the UK's most exciting clean tech companies. You'll join one of their core teams, diving deep into production systems, identifying bottlenecks and driving long-term architectural decisions that support scale, resilience and product ...

Senior C++ Software Engineer New C++ contract role working on a greenfield project for a client within the financial domain. Healthy rate for this one and 2 days a week in the office. What you will be doing: As a Senior C++ Software Engineer, you will be involved … features and feature enhancements Leading code reviews and enforcing best practice within a small, agile, focused team What you will need: Extensive commercial software development experience using C++ Unix/Linux experience Relevant degree in a numeric discipline, or equivalent work experience Excellent written and spoken English By applying ...

society’s toughest challenges. As a Senior Product Engineer, you’ll take ownership of one of their core AI products, leading a small, talented engineering team while staying hands-on with code. You’ll shape architecture, mentor engineers, and work closely with product and design teams to deliver meaningful … high-impact features used daily by people improving lives across the UK. What you’ll do Lead a product engineering team building AI-powered tools that make a measurable social impact. Spend around 60% of your time coding, across backend, frontend, and infrastructure. Design scalable systems and technical architecture ...

Role: Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. … applications. Being part of the Online team, you will be working closely with engineers, designers and the product team. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and who can contribute to the development of features ...

Senior Software Engineer – AI Startup – Up to 120k 🚀🧠 💰 Salary: £70,000 - £140,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering … world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: 🔧 Build and ship high-impact software 🧠 Work on AI/LLM-powered automation tools used in production 🏗️ Help shape scalable systems and infrastructure 🌍 Work collectively across teams to push ...

technology to empower learners across the UK? We are searching for a Senior Python Developer/Lead Python Developer who can guide a talented engineering team and push the boundaries of what cloud-native EdTech can be. Fancy taking ownership over building scalable Python applications, driving Agile delivery … designing robust AWS-based systems using modern Infrastructure-as-Code approaches? Role: Senior Python Developer, Python Software Engineer, Python Developer, Lead Python Developer Location: 100% work from home/Remote Salary: £55k - £62k base plus great benefits What you will bring to the role: You will champion engineering ...

looking for Software Engineers to join our partner company! You will play a key role in building next-generation infrastructure and AI systems that accelerate innovation across industries such as aerospace, healthcare, and energy — fields still limited by outdated, manual processes. This is not a traditional engineering role. … . Write clean, efficient, and maintainable code with a focus on performance, reliability, and scalability. Collaborate across technical and product teams to solve complex engineering challenges. Contribute to a culture of execution, ownership, and learning, where speed and quality go hand in hand. Who You Are Minimum 2 years ...

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology … highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers ...

title: C# Senior Software Engineer (VP) Client: Investment Firm Experience Level: 5+ years' Salary: - Up to £130k + Bonus Location: London (Hybrid) An elite investment client are searching for Senior C# Developers to join a group of the highest-regarded talent around! Role This is to build … development of several greenfield features and will involve the use of the latest frameworks within .Net Skills/Experience Proven experience working as a Software Engineer within the financial services domain Knowledge of C# .Net core Degree in Computer Science/Engineering is preferred! Experience with ...

Role: Lead Software Engineer, React Native Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our innovative application using React Native. Working with a modern JavaScript stack … mobile applications. In this role, you will collaborate closely with our Principal Engineer and the Mobile Apps team members. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and who can contribute to the development of features ...

partnered with a fast-growing technology company building world-class API products that simplify complex operational challenges for global businesses. They prioritise engineering excellence, lean teams, and a culture built on ownership, collaboration, and continuous improvement. As a Senior Product Engineer, you’ll work across the full product lifecycle … customer problems to designing, building, and operating scalable, reliable API products used by companies around the world. You’ll help shape technical direction, influence engineering culture, and work closely with product, design, and cross-functional partners to deliver high-impact solutions. What ...

About Euphoric Euphoric builds AI-first employee benefits administration software for the world’s largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger opportunity. Global employers spend … first platform and serve as our resident expert. You won't just be tuning hyperparameters in a notebook; you will be a core software engineer architecting the complex systems that make AI useful in production. In the immediate future, your time will be split between crafting complex AI processing ...

Senior Embedded Software Engineer Salary : Up to £100,000 Location : London - 3 days a week We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users … with seamless, intelligent technology solutions. We are looking for a modern, innovative and driven Senior Embedded Software Engineer to join their growing team. They are looking for someone who has commercial experience working with C software development in an IoT, hardware or embedded solutions environment , who is interested ...

primarily in Python or TypeScript) Build LLM systems, experiment, prompt, cutting-edge techniques What we’re looking for 🌟 2+ years of experience as a software developer Strong skills in Python or TypeScript Experience building and maintaining fault-tolerant systems Bonus points ➕ Startup experience Passion projects or personal projects where … little more scrappily. Collaboration 🤝 You work closely with founders and teammates. You’re comfortable jumping between product conversations, fast-moving experiments, and careful engineering reviews. Initiative ⚡ You spot opportunities to improve the product or platform and take action without needing to be asked. Curiosity and adaptability 🌱 You’re keen ...

clearance, we will support you to apply assuming you have lived and worked in the UK for a minimum of 5 years. As a Software Engineer, you will help lead the development of backend services for a government client leveraging the latest commercial and open-source technologies. This involves … coding. Experience with Kafka or a similar platform. Experience with Scala and Spark. Integrating with backing services, such as PostgreSQL, Redis or S3 Good engineering practices including continuous delivery, clean code, documentation, defensive programming, automated testing and code reviews Working in Agile development and/or DevOps teams Using ...

partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly influence trading performance. Key Benefits Competitive salary with ...

Product team, Infrastructure team, and QA team, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world, including ourselves. To be successful … this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should ...

Lead Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Lead Full Stack Engineer . This … still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you’ll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably as our user base grows. You’ll act as a role model for engineering ...

Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer ...