101 to 125 of 218 Senior Software Engineer Jobs in London

Description About the role: We are looking for a Senior Software Engineer to join our Send Core team. We provide the critical infrastructure that every sending transaction flows through - from 10 pounds sent to a friend to a multi-million dollar business payment. … mission to make sending money as easy and fast as paying for groceries with your card. How we work: We believe that an engineer is more than just a coder. Our engineers are focused on improving our customers’ experience - and they see the impact of their work on millions ...

Cisco's Webex Real-time Media Engineering Group in London is seeking a Senior Software Engineer to contribute to end-to-end development, testing, and delivery of new features for Webex products. You will work in a hybrid office setup, collaborating across DevOps, microservices, and AI-enabled ...

UNITED in London is seeking a Senior Software Engineer to help build and evolve our real-time liability and risk platform for sports betting. You will work on our Core Liability engine — a modular, event-driven system — delivering fast, accurate live insight into positions and risk. ...

Funding Circle, a leading UK fintech, is hiring a Senior Software Engineer for the Accounts & Card team in London. You will lead technical delivery for a high‐frequency revolving credit product, Cashback Card, and collaborate across teams to drive innovative, scalable solutions. You’ll contribute to architecture ...

United States Digital Space LLC in London is seeking a Senior Software Engineer to join the hybrid engineering team. You will build, run and improve real-time data systems powering betting solutions, with a focus on reliability, performance and maintainability. The role is hands-on and involves ...

TxODDS, a London-based tech company, is seeking a Senior Software Engineer to join our hybrid London team. You will own the design, development and operation of real-time data systems, primarily in Scala, focusing on reliability and performance for betting operators worldwide. You will work ...

currently working with a London-based investment bank who are actively seeking a Senior Software Engineer to assist in the development of a business-critical data ingestion and search interface to simplify the onboarding of future applications. What you'll need to succeed : Proficiency in UI development ...

create an entirely new network for the world's money. For everyone, everywhere. Job Description About the role: We are looking for a talented Senior Software Engineer to join our Payin Platform team in the London office. This team owns a layer that powers how money enters ...

future of gaming. Are you ready to level‐up the game? The Role Focusing on our Sportsbook product, we’re looking for a Senior Software Engineer to help build and evolve our next‐generation trading risk platform, powering real‐time liability and exposure management across multiple brands … consistency guarantees. Outcome‐level alerting that enables faster and more informed trading decisions. Integration with downstream systems, including trader‐facing tools. Experience 5+ years software engineering experience in building distributed systems. Excellent Java skills. Experience with streaming technologies (Apache Flink preferred; Kafka Streams, Spark Streaming, etc.). Solid understanding ...

it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a Senior Software Engineer to design, build, and operate research and production infrastructure for mid-frequency equity statistical arbitrage strategies. This is a hands-on engineering role with … experience building end-to-end systematic trading systems in a hedge fund or proprietary trading environment. We are also highly interested in strong software engineers from technology companies or adjacent domains who have built complex, data-intensive systems with high standards for correctness, reliability, scalability, and long-term maintainability. ...

looking for a Senior Embedded Software Engineer to develop advanced, real-time software solutions for complex systems. You will be responsible for delivering software from initial concept through to fully verified solutions, working across the full development lifecycle. Key Responsibilities Design, develop, and maintain high … quality software using best engineering practices Take ownership of software development from requirements through to verification and validation Support and enhance existing software in line with evolving project and customer needs Contribute to system architecture, design reviews, and technical decision-making Collaborate with multidisciplinary teams including systems ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software ...

Senior Full-Stack Software Engineer, (Forward Deployed), GPS London, UK Ready to Apply? Join the team shaping the future of AI at Scale. Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. … citizens Generating high-quality training data for custom LLMs Upskilling and advisory services to spread the impact of AI As a Full Stack Software Engineer (Forward Deployed), you’ll collaborate directly with public sector counterparts to quickly build full-stack, AI applications, to solve their most pressing challenges ...

posting. Hi 👋🏾 I’m Abhik, Ashby's Co-Founder and VP of Engineering. We’re looking for an ambitious full-stack engineer who is laser-focused on solving customer problems and making the right long-term investments to solve them not only today but in our future features … culture. While also the product‐market fit and scale of a growth‐stage startup: tens of thousands of daily users who depend on your software and eagerly await your next feature. We have notable customers like Notion, Linear, Shopify, and Snowflake. Our growth and retention metrics are best ...

Google London is seeking a Senior Software Engineer for the Search, Mobile (Android) team. You will work on Android Search App features, collaborate with cross-functional partners, and contribute to scalable mobile infrastructure used by billions. You bring a Bachelor's degree (or equivalent) with 5+ years … software development, 3+ years on Android, and experience with large-scale design. Google values leadership potential and the ability to innovate across the full stack. #J-18808-Ljbffr ...

Perk is seeking a Senior Software Engineer to join our Billing team, owning the lifecycle of complex features from design to deployment. You will collaborate with Product, Design and Engineering to deliver reliable, scalable solutions for tax determination, invoice issuance, and end‐to‐end billing experiences. ...

## Senior Software EngineerApplylocations: Londontime type: Full timeposted on: Posted Todaytime left to apply: End Date: July 31, 2026 (15 days left to apply)job requisition id: R8159# Excited to grow your career?## **Our purpose is to make it easy for people to save and invest … skills or experience we're looking for, please go ahead and apply. We’d love to hear from you!About the role# As a Senior React Native Developer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. ...

Software Engineer Mid-Level or Senior A fantastic opportunity for experienced Software Engineers to join a highly innovative technology company at the forefront of advanced AI research and development. Working as part of a world-class engineering team, you will help design and develop cutting-edge … software solutions that tackle complex real-world challenges click apply for full job details ...

## Senior GenAI Software Engineer - Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26979306**Help shape the next generation of AI-powered products in Markets!****Technology.**Join a small, high-impact engineering team in Citi Markets Technology building greenfield Generative … practical and valuable with LLMs - exploring agentic patterns, orchestration approaches, retrieval techniques, and emerging design ideas — while staying grounded in the fundamentals of robust software engineering. That balance matters to us.This is an opportunity to join a team that is still small enough for every engineer to have ...

HealthTech is on a mission to transform the NHS with groundbreaking technology. We are looking for a senior full stack software engineer to build and scale our innovative products. The ideal candidate has over 5 years of experience in software engineering, particularly with React and TypeScript ...

Fortune 500 automakers use our open-source runtimes to build once and ship everywhere — websites, apps, games, and vehicles. We’re looking for a Senior Software Engineer to join our team. As part of a lean, agile team, you’ll have a high degree of autonomy, ownership … Node.js (TypeScript & JavaScript), Dart/Flutter, C++, MySQL (Aurora), Redis, OpenSearch, AWS (Fargate, Lambda, CloudWatch), Docker, Terraform, GitHub Actions Requirements 8+ years of professional software engineering experience, specifically in backend and infrastructure. Proven track record of owning and delivering backend services for scaling SaaS‐based products that are widely ...

Lead Software Engineer - KDB/Q LONDON, LONDON, United Kingdom Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment … access. This is an exciting time as we migrate to AWS, re‐architect our applications, and build‐out greenfield projects. Job Responsibilities Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops ...

Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software … partners, and industries to design, develop, and deliver solutions that power digital transformation. With a culture that values innovation, growth, and continuous learning, IBM Software places you at the heart of IBM’s product and technology landscape. Here, you’ll have the tools and opportunities to advance your career ...

create the next-generation of technology tools for the global, corporate financial office. Our Liquidity team is seeking an innovative and forward-thinking Senior Software Developer passionate about building a world-class platform through a world-class team. Creating technical software excellence and spearheading application development … they fund operations, manage intercompany liquidity structures, and deploy idle cash. The team works at the intersection of complex financial workflows and modern software engineering, delivering scalable, reliable systems that process critical financial data for customers operating across 40+ countries. The Vision The Liquidity Management team ...

have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile … technical hands‐on Engineering role. Experience with data science/ML modeling is advantageous but not essential to this role. Job responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Creates secure ...