501 to 525 of 1,079 Software Engineer Jobs in London

leading investment management firm based in Greater London is seeking a Senior Software Engineer to design and build resilient systems. The ideal candidate will have 5+ years of experience in software development, particularly with cloud-distributed and event-driven architectures using C#/.NET. A background ...

Holdings, LLC. is seeking a Senior Software Engineer for their Unified Platform in London. The role involves building robust systems with an emphasis on testing and scalability, designing and programming in languages such as Java, Python, and Clojure. The ideal candidate has experience with micro-service architectures ...

Caxton Associates LP. is looking for an experienced Software Engineer to lead a team in London. This hands-on leadership role involves designing scalable systems, owning delivery across projects, and mentoring engineers. Candidates should have over 8 years of experience with C#, .NET, and other technologies. Strong communication … solid understanding of software development practices are essential. Knowledge in finance and market data APIs is highly beneficial. #J-18808-Ljbffr ...

Description We are seeking an experienced and motivated Lead Software Engineer – Athena to work on our Risk platform and Aggregation system. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functions across rates products. You will work … high-impact systems that enable critical risk management and profit & loss (P&L) analysis for our trading operations. Job Responsibilities Build and maintain robust software solutions supporting rates trading activities. Collaborate closely with quantitative analysts, traders, risk managers, product managers, and other technology teams. Develop scalable, high-performance Python ...

session and authorization infrastructure to support AI agents, MCP-based integrations, and machine-to-machine workflows across the company systems. We are hiring Senior Software Engineers for two closely related teams in London focused on session infrastructure and session lifecycle management. Where we sit We’re part of Login … manage the underlying datasets. Almost every business unit at the company depends on our platform to make authorization and access-control decisions. Our software is critical to maintaining the company’s reliability, compliance, and continued growth. Because of our position in the stack, we enforce security not only ...

Academy Education Network Ltd is looking for a Software Engineer to design, build, test, and operate software systems. You will mix coding with technical design and code review in a variety of areas including fintech, AI/ML, and consumer apps. The position offers a competitive salary ...

entrepreneurship. Sony Music Entertainment is a member of the Sony family of global companies. Sony Music Product Design & Engineering is looking for a Senior Software Engineer to join our development team. What you’ll do: Work with a cross-functional team to build products that empower artists … technical design of various systems Mentor more junior engineers and contribute to a culture of continuous learning Who you are: Seeking 8+ years of software engineering experience in the following areas: Experience implementing distributed systems Experience in a scripting language (we use Python and JavaScript) Experience building frontend applications ...

realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer - Applied AI ML Director at JPMorganChase within the Accelerator Business, you are the heart of this venture, focused on getting smart ideas into ...

realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer - Applied AI ML Director at JPMorganChase within the Accelerator Business, you are the heart of this venture, focused on getting smart ideas into ...

J.P. Morgan in London seeks a Lead Software Engineer to design and deliver secure, scalable technology for Markets Technology. You will work in an agile team across front office, operations and tech to shape architecture and drive continuous improvement. The role requires strong background in Python/Java ...

builders, sharp thinkers, and technical trailblazers who shape the future of commerce, this is the place for you. We are looking for a Senior Software Engineer who can own complex problems from discovery through production. This role is not narrowly frontend, backend, or data engineering. The right person … validate decisions. Take ownership of incidents and production issues when systems do not behave as expected. Who You Are You have 5+ years of software engineering experience, with strong backend skills in Java, Scala, Kotlin, Go, or a similar language Education: Preferred minimum Bachelor's degree ...

looking for a Senior Software Engineer to join our team building and operating the core data platform that powers our business. This platform sits at the heart of everything we do, delivering high-quality, real-time market data to systems and teams across the organisation. If you enjoy ...

White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Machine Learning About this role We're on a mission to transform the way we use data and AI to service our customers and drive efficiency across the business. Do you love shaping the technical landscape ...

TwinThread is looking for a Lead Software Engineer in Wholesale Payments, FX Payments Tech to shape the future of payments technology. Join an agile team to build secure and scalable technology products while collaborating with talented colleagues. Your role will include designing software solutions, developing production code ...

Software Engineer London, United Kingdom Posted 9 months ago Tech Stack Python JavaScript PHP Java Requirements Clear milestones, with relevant documentation and test plans. Experience with open‐source languages such as PHP, Python, Java, or JavaScript Frameworks. Experience with software design and architecture. Experience communicating technical concepts ...

Menlo Ventures is seeking a Senior Software Engineer II in Greater London to lead complex technical projects and simplify systems within our technology stack. With a focus on collaboration and mentorship, this role requires 8+ years of software engineering experience, particularly in Python, Django, React, and other ...

Fortinet is seeking a Senior Software Engineer to join our Cyber R&D team in the United Kingdom. You will work on the FortiDLP endpoint client software, focusing on feature development, code quality, and collaboration with cross-functional teams. We value engineers with strong programming skills ...

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 ...

DESCRIPTION Description We are seeking an experienced and motivated Lead Software Engineer – Athena to work on our Risk platform and Aggregation system. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functions across rates products. You will work … high-impact systems that enable critical risk management and profit & loss (P&L) analysis for our trading operations. Job Responsibilities Build and maintain robust software solutions supporting rates trading activities. Collaborate closely with quantitative analysts, traders, risk managers, product managers, and other technology teams. Develop scalable, high-performance Python ...

globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every … that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi’s Equities Technology organization is seeking a Software Engineer to join the Equities Electronic-Execution (Electronic Trading) technology team. The person in this role will be responsible for the design, development ...

looking for top-tier talent to join us on our journey and enable our next phase of success. Job Overview As a Senior Software Engineer, you'll build and maintain our core domain services. You'll write clean, well-tested code, deliver reliably, and hold a consistently high … C# and .NET. Solid experience working in event-driven (we use Kafka), service-based systems. Familiar with Domain-Driven Design and hexagonal architecture. Strong software engineering fundamentals (clean code, automated testing, CI/CD, observability). Hands-on experience with AWS. Actively use AI tooling (e.g. Copilot, Claude Code ...

Location: London (hybrid) Duration: 6 months (strong scope to extend) We're looking for a Java Software Engineer to join a high-performing front-office technology team, building the next generation of sales platforms for global financial markets. You'll develop modern, scalable applications used directly by revenue … also have opportunities to contribute to AI-enabled features where they add real business value. The Role: Design and build scalable, high-performance software using modern engineering practices. Develop distributed backend services in Java. Build intuitive, responsive front ends using React and TypeScript . Deliver data-driven features that ...

Wise is hiring a Senior Software Engineer in London to own large-scale backend projects for Global KYC and Onboarding. You will design robust microservices, deliver clean APIs, and build reliable systems that scale across borders, enabling faster, compliant financial services for customers worldwide. Join cross-functional teams ...

autonomy and support to make an impact as we build for the long term. About the role: the company is hiring a Senior Software Engineer II to join our Operational Excellence (OPX) team within the Developer Experience organization. DevEx is responsible for the engineering environment that a globally … with product engineering teams to strengthen their operational posture. You should apply if: You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact - helping to keep the lights on, get food into grocery stores, and most ...

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 in software ...