226 to 250 of 491 Senior Software Engineer Jobs in London

hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The Product In a rapidly evolving world, trust in AI depends on AI agents being grounded in fresh, verified real-world … search APIs that AI agents use to retrieve, filter, and reason over real-world information at scale. The role We are looking for a Senior Software Engineer to work on the content acquisition and crawling infrastructure of a novel search engine tailored for agentic AI consumption. ...

ATPCO, the world's primary source for air fare content, is seeking a Senior Software Engineer to design, implement, and maintain a wide range of applications and services. You will collaborate with cross-functional teams to deliver high-performance, scalable solutions that meet evolving business needs. Join ...

onboard their customers compliantly and seamlessly, setting the standard for what world-class embedded KYC looks like. We’re looking for a product-focused Senior Software Engineer to join our team in London, helping build seamless KYC and Onboarding products for our partners. You'll work ...

world's money. For everyone, everywhere. More about our mission and what we offer . About the role We are looking for a senior software engineer with a background in stream processing. Our Stream Processing team is part of the Data Squad. We provide the tooling … growth by continuously iterating on the services we run, with a focus on availability, security, and ease of use. We’re looking for an engineer with relevant experience who can analyse complex requirements and deliver simple solutions to help our teams achieve our mission with speed and confidence. What ...

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 ...

world's money. For everyone, everywhere. More about our mission and what we offer . 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 layer that powers how money enters Wise. ...

finally, being part of something bigger, through the impact that we make together in our marketplace and communities. What you'll do? As a Senior Software Engineer at Deliveroo, your individual work contributes to achieving goals in multiple teams. While you will work with your team … meet all of the below but would love you to have experience in some of these areas. Pride in readable, well‐designed, well‐tested software Experience writing web‐based applications in any language, and an interest in learning (Go, Ruby/Rails, Python, Scala, or Rust) Familiarity and practical ...

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. ...

world's money. For everyone, everywhere. More about our mission and what we offer . 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 … good shape, we are building customer-facing products that power the customer's send journey. 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 ...

Senior/Principal Software Engineer Application Deadline: 31 May 2026 Department: Software Engineering Employment Type: Permanent Location: London (Hybrid) Compensation: £70,000 - £100,000/year Description Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. This role also … impact systems, the kind that have to be secure, scalable, and actually usable by the people who rely on them. We’re looking for Senior and Principal Engineers who want to shape meaningful systems, influence technical direction, and work alongside capable people who care about doing the job properly. ...

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 ...

Lead innovative software projects on a global team, driving impactful solutions for our Strategic Index business. Join a team where your ideas and technical expertise shape the future of strategic index trading. At JPMorganChase, you’ll collaborate with passionate innovators and technologists to deliver solutions that drive business growth … develop your skills, and make a real impact. We value your drive to learn, grow, and contribute to a culture of excellence. As a Senior Software Engineer in the Strategic Index Technology team, you will lead key projects that support our cross-markets index platform. You will ...

Convergent Research Ecosystem, powered by the Advanced Research and Invention Agency (ARIA). About the role Meridial is seeking an entrepreneurial Software Engineer to take ownership of the software systems at the heart of our multi‐photon microscopy platform. This is a broad hands‐on role spanning … hardware control, data acquisition, user interfaces, and analysis pipelines. You will work at the intersection of software and science, collaborating closely with FPGA engineers, experimental neuroscientists, and a growing data team. The near‐term priority is maintaining, debugging, and extending our existing MATLAB‐based microscope control software. Immediate goals ...

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 ...

DESCRIPTION Lead innovative software projects on a global team, driving impactful solutions for our Strategic Index business. Join a team where your ideas and technical expertise shape the future of strategic index trading. At the company, you'll collaborate with passionate innovators and technologists to deliver solutions that drive … develop your skills, and make a real impact. We value your drive to learn, grow, and contribute to a culture of excellence. As a Senior Software Engineer in the Strategic Index Technology team, you will lead key projects that support our cross-markets index platform. You will ...

Convergent Research Ecosystem, powered by the Advanced Research and Invention Agency (ARIA). About the role Meridial is seeking an entrepreneurial Software Engineer to take ownership of the software systems at the heart of our multi-photon microscopy platform. This is a broad hands‐on role spanning … hardware control, data acquisition, user interfaces, and analysis pipelines. You will work at the intersection of software and science, collaborating closely with FPGA engineers, experimental neuroscientists, and a growing data team. The near-term priority is maintaining, debugging, and extending our existing MATLAB-based microscope control software. Immediate goals ...

humanoid platform now running in real industrial pilots - and we’re growing the team to take it even further. About the Role As a Senior Platform Software Engineer at Humanoid, you will be at the heart of developing the core OS, data networks and protocols, and fundamental … software subsystems for our next-generation humanoid robots. You will help develop the foundational software architectures that allow high fidelity robotic controls and AI development. You will be responsible for writing high-integrity software that runs on our robots, integrating sensors, safety systems, and computing platforms ...

Senior Software Engineer Day rate: £400 - £500 (inside IR35) – 6 month contract – London office, 5 days per week – Start: Now What You'll Be Doing Design and build scalable backend systems using Java and the JVM ecosystem Develop clean, maintainable code from product requirements using modern engineering ...

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 ...

United States Digital Space LLC is seeking a Senior Software Development Engineer to join their e-Wallets team in London. In this role, you will own software features across the full development lifecycle and work collaboratively in a modern environment enhanced by AI tools. ...

Morgan Stanley in London is seeking a Senior Software Engineer to join the Commodities Technology team. You will contribute to a global platform built in Scala or Java, collaborating with traders, quants and risk managers to evolve our trading and risk management capabilities. We value deep software ...

慨正橡扯 is seeking a Senior Software Engineer to drive innovation within the Electronic Trading Services Platforms in Greater London. You will lead multiple complex projects, mentor teams, and align technical strategies with business goals. The ideal candidate has over 10 years of experience in software engineering ...

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. ...

United States Digital Space LLC is seeking a Senior Software Engineer to drive complex projects within Electronic Trading Services Platforms. You will work closely with various business lines, addressing engineering challenges while providing guidance and mentorship. The ideal candidate will have over 10 years of experience … software engineering, expertise in IPv4 networking, and be familiar with Configuration Management. This role champions diversity and is an equal opportunity employer. #J-18808-Ljbffr ...

observability, monitoring, resilience, and supportability at their core. Utilise tools such as Dynatrace to improve platform visibility, monitoring, alerting, and service reliability. Requirements A senior backend software engineer with deep experience designing and delivering scalable, resilient systems in complex enterprise environments. Strong Java engineering expertise with experience … large customer populations while maintaining high availability, performance, and security. Work with ecommerce platforms, payment services, or highly transactional systems is advantageous. Passionate about software quality, testing, maintainability, and engineering best practices. Strong understanding of CI/CD, observability, production support, and operational excellence. Core Competencies Demonstrates expertise ...