376 to 400 of 530 Software Engineering Jobs in London

Graduate Quant Software Engineer (C++/Java – Trading Systems) | £55,000–£77,000 | Hybrid (London/Remote) Build technology that powers real trading. Join a high-performance engineering team developing low-latency, resilient backend systems used in live trading environments. You’ll work on complex technical challenges from … building software that genuinely impacts how markets operate — not just writing code in the background. This is a fast-growing fintech where strong engineers progress quickly into Senior, Low-Latency, or Quant-Engineering tracks within 12–24 months. What You’ll Do Design, build, and optimise backend components ...

c. £300k Comp Package | Hybrid Working] Role Overview We're working with a high-growth trading and digital-assets firm seeking a seasoned engineering leader to take ownership of their client-facing technology ecosystem. As the organisation expands into new markets and contends with evolving regulatory demands, this role … will spearhead the architecture and delivery of platforms that underpin client onboarding, reporting, data exchange, and compliance workflows. You'll guide the engineering strategy for a suite of internal and external systems - including CRM tooling, realtime reporting pipelines, API integrations, client portals, and surveillance utilities - while coaching a small ...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer who is a good ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title … Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This ...

seeking a highly skilled Quantitative Software Developer to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly … Write clean, testable, and well-documented code; contribute to CI/CD practices. Required Qualifications Bachelor's or Master’s degree in Computer Science, Engineering, Mathematics, or a related quantitative field. 3+ years of experience in Java software development, ideally within financial services or a trading environment. Proven ...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development … global, real-time payments platform. Key responsibilities: Define and maintain the company's technical and architectural direction. Provide leadership and mentorship across multiple engineering teams. Drive enterprise-level design decisions, ensuring scalability and resilience. Contribute directly to coding activities in support of key deliverables. Monitor emerging technologies, influencing long ...

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about … enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with ...

looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript ...

This early-stage EdTech business is building a SaaS platform at the intersection of education, AI and machine learning. Backed by a highly academic engineering team, they're setting the bar high while actively looking to broaden their talent pool and bring in new ways of thinking. Role overview … This is a hands-on graduate engineering role where you'll be trusted early and expected to contribute. You'll work closely with experienced engineers to build, test and improve AI-driven features, taking ideas from concept through to production. It's a great fit for someone who enjoys ...

enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build … team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. ...

enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build … team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. ...

enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build … team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. ...

enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build … team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. ...

enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build … team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. ...

wide variety of financial services, including cross-border payments, institutional crypto liquidity, digital asset custody, and our enterprise-grade stablecoin RLUSD. As a Software Engineer at Ripple, you'll work on payment technologies, building scalable solutions that power the future of finance. Your primary responsibilities will … observability, ensuring Ripple products interact seamlessly with global banks and payment providers in a consistent and trustworthy way. We are looking for a software engineer passionate about learning and understanding the way a complex fintech system works end-to-end and can help drive forward the development. A passion ...

next generation of AI models to assist artist workflows. See the result yourself Passcode: scaneverything About the role ✨ We are looking for a Senior Software Engineer to own the 3D asset processing and rendering infrastructure in Marso Measure, our desktop material capture application for Windows. You'll work across … that will enable new ways to create physically realistic content - at high fidelity and scale. You will be a central part of the core engineering team at a scaling start-up that is re-imagining how content is created for photo-real AAA games and real-time experiences. This ...

expertise in Linux networking data path and kernel-level networking (such as XDP, eBPF, DPDK, iptables, nftables), in addition to strong systems and DevOps engineering experience. Basic qualifications 7–10 years building production backend systems, including 3–5 years in high-scale and/or low-latency environments. Deep … hardware mitigation platforms. Building high-rate telemetry/streaming pipelines for near-real-time detection (packet/flow analytics). Background in resilience engineering, chaos testing, disaster recovery, and capacity planning at hyperscale. Containerization/orchestration (e.g., Kubernetes) and secure service-to-service communication (mTLS, policy enforcement). Familiarity ...

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

elevate your career and be part of something truly special, apply now! Your DV Clearance opens doors to endless possibilities with us. Roles Available: Software Engineers (Java/C++/JavaScript/Python) Infrastructure Engineers (Windows/Linux) DevOps/Platform Engineers Project Managers Solutions Architects Automated Testers ...

alliance with Palantir. Influence clients at executive levels, ensuring adoption of solutions and alignment with strategic goals. Ideal candidate: Extensive experience in data, analytics, engineering, or consulting, with a track record of delivering scalable, complex data solutions. Hands-on knowledge of Palantir Foundry (Ontology, pipelines, apps, AIP); Palantir certifications … desirable. Proficiency in at least one coding language (e.g., Python/PySpark, R, Java, SQL, Typescript) and experience with object-oriented design or software engineering. Strong understanding of data engineering, modelling, platform integration, UX design, and data visualisation. Excellent communication, stakeholder management, and team leadership skills. Experience across ...

Software Engineer – AI Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team … 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 ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title … Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This ...

Software Engineer (Cloud Security) - Investment Management - Permanent - London OR Manchester - Hybrid About the role : As a Cloud Security Engineer, you'll help design and build secure, cloud-native platforms that protect client identities and access at scale. Working within the Enterprise Security & Fraud team, you'll contribute to modern … Europe. This role sits in a newly formed cybersecurity team, offering real ownership and impact on security architecture and standards. Required Skills : AWS cloud engineering with IaC (CloudFormation, CDK, Terraform) Building and consuming services using TypeScript/JavaScript with Node.js (exposure to Nest JS and microservices is a plus ...

secure hiring platform used by employers to review candidates. Your profile stays anonymous until you match. Click Apply to continue. It takes 2 minutes. Engineering Manager £90,000 to £120,000 Hybrid working/London based The Opportunity This is a senior engineering leadership role within a fast … growing, tech-led consumer platform in a regulated, mission-driven space. You will lead a high-performing engineering team building core web products used by a rapidly expanding customer base. This is a hands-on role combining people leadership, technical decision-making, and close partnership with Product to deliver ...

Contract Senior Full Stack Software Engineer (Backend Heavy) : Up to £550 Outside IR35 : Fully Remote (UK) : 3 months (rolling) We're looking for a Contract Senior Full Stack Software Engineer to join a well-known consumer brand on a high-impact mobile and digital product initiative. … Contract Senior Full Stack Software Engineer, you'll support the delivery of new customer engagement features within an existing mobile application. This role is backend-leaning but requires strong full stack capability, with exposure to both web and mobile app environments. Key Skills: Node.js, TypeScript, BFF experience essential React.js ...