176 to 200 of 491 Senior Software Engineer Jobs in London

Everfox is hiring a Senior Software Engineer to help shape and deliver end-to-end cross-platform desktop and mobile applications. You will split time between hands-on development in C++ and coordinating delivery across the Hardsec product line for secure browsing and VDI. You will lead ...

company is hiring a Senior Software Engineer II to join the OPX team within the Developer Experience organization. You will design and build automated reliability and self-healing systems at scale, delivering platform tooling that engineers across the company adopt for their services. You will own incident ...

United States Digital Space LLC is looking for a Senior Software Engineer to join the FX Routing and Aggregation team. In this role, you will be responsible for building and maintaining essential FX trading services that support clients globally. You will utilize a modern technology stack including ...

London Stock Exchange Group (LSEG) is seeking a Senior Software Engineer to join the Page Express team in Workspace Engineering. You will contribute to front-end and back-end development, delivering scalable, secure web and desktop solutions. Collaborating with Product, Design and DevOps, you’ll design REST ...

financial cartels of the past decade, contributing expert opinions, and advising global law firms, institutional investors and regulators. About this Role As a Senior Software Engineer, you will apply experienced hands‐on technical knowledge, vision and an innovative mindset to help us expand, build and maintain … data infrastructure and software libraries needed to support the quantitative research of our economists. You will have experience gathering requirements and contributing to sprint planning. We make use of kanban and sprint cycles to plan and stay on top of output. Our target stack relies heavily on Python, containerisation ...

Everfox in London is seeking a Senior Software Engineer to deliver cross-platform desktop and mobile apps. You will split time between hands-on development in C++ and delivering end-to-end software across the Hardsec product line. The role requires design/architecture strength, delivery ...

Cisco is seeking a Senior Software Engineer to join the Webex Real-time Media Engineering Group in Central London. You will contribute to core video and audio workflows, shaping Webex Meetings, Webex Calling, and Webex Contact Center in a hybrid environment. You will own features from design ...

Wellington Management Company is seeking a Senior Software Engineer to join their Research Technology team in London. In this role, you will design and develop high-quality investment research solutions, collaborating with business analysts and engineers. Ideal candidates have over 7 years of experience in web application ...

have the 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 … 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 ...

BigCommerce Pty is seeking a Senior Software Engineer in London, offering a hybrid work model. This role involves designing reliable services and APIs, working across backend systems, and tackling ambiguous problems effectively. The ideal candidate will have strong backend engineering experience, production debugging skills, and a solid ...

Perk is seeking a Senior Software Engineer to own features end‐to‐end, from understanding customer pains with product and design docs to coding, testing and deployment. You will influence the architectural direction and measurable impact on our global platform. You’ll work in small cross‐functional ...

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 … 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 ...

Perk is seeking a Senior Software Engineer who thrives on ownership and end-to-end delivery. You will drive the lifecycle of key features from conception through deployment and impact measurement, partnering with product, design, and QA to ship reliable software. You will mentor colleagues, raise ...

leading governing body is seeking an experienced Senior Software Engineer for a 6-month contract. You will join an agile environment, contributing to the development and delivery of business-critical applications. Key responsibilities include supporting applications and improving development processes such as CI/CD. Essential skills ...

United States Digital Space LLC in London is seeking a Senior Software Engineer to help lead a technology transition and build skills at an internationally recognized tech company. You will work on the web application that powers Insights for admins and MSPs. The role emphasizes breaking down … problems, delivering end-to-end features, and collaborating with stakeholders across teams. We're looking for 5+ years of enterprise software experience and strong communication in a fast-paced environment. #J-18808-Ljbffr ...

accept applications from those based in the UK or who have sponsorship to live and work in the UK. #LI-Hybrid Role Summary Senior Software Engineer on our team will help lead a technological transition while building skills at an internationally recognized tech company. The role involves … legal standards. Support and promote an inclusive workplace welcoming diverse talents. Required Skills and Experience Minimum of 5 years of experience developing enterprise‐grade software with an understanding of testing and quality assurance processes. Minimum of 5 years of demonstrated experience in the current programming language and tools required ...

Jamf in London is seeking a Senior Software Engineer to contribute to the Jamf Insights web application, with a hybrid work model in London, United Kingdom. You will lead the technology transition, develop features for admins and MSPs, and help create a streamlined Jamf Pro experience ...

Citi in London is seeking a Senior Software Engineer for Margin Technology in an Assistant Vice President role. You will design and implement scalable services, collaborate with product teams and users, and contribute to a high-performance engineering culture in a hybrid work model. The role requires ...

John Sculley and is headquartered in New York City with offices around the world. To learn more, go to www.zetaglobal.com. THE ROLE As a Senior Software Engineer on the LiveIntent Real-Time Ad Serving team, you will design, develop, and own the business logic that powers programmatic … integration Participate in architecture discussions and influence the technical roadmap Participate in on‐call rotation to support production systems DESIRED CHARACTERISTICS 5+ years of software engineering experience in backend development Deep understanding of computer science fundamentals: data structures, algorithms, performance optimization Experience building and operating distributed systems in production ...

Novatus is a RegTech SaaS provider delivering transformative regulatory and data solutions for financial services. As a Senior Software Engineer, you will build core domain services within a modern, event-driven architecture, migrating from Django to a service-based .NET platform on AWS. You’ll work with … cross-functional teams to deliver reliable, auditable software for regulatory reporting and data management. #J-18808-Ljbffr ...

Consortia Group in London (Hybrid) is seeking a Senior Software Engineer to drive hands-on development while shaping technical strategy. You will work on high-impact projects, collaborating across teams to ensure a scalable, high-performing platform. The role emphasizes cloud-native expertise, designing and building solutions ...

Story Terrace Inc. is seeking a mid-senior software engineer to join our innovative engineering team. You will work on the HelloSelf Companion, an AI-powered mental health product, improving its effectiveness and interactions. With a competitive salary range of £75-85k plus equity, the role ...

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 ...

world's money. For everyone, everywhere. More about our mission and what we offer . About the role: Join us as a Senior Software Engineer in our critical Account Integrity team. This is a high-impact engineering role with a strong product focus, dedicated to solving complex … frontend You will be delivering a tangible, real-world impact by securing customers' money, accelerating product growth by raising automation levels, and helping us engineer a world-class money transfer product. What do you need? Engineering Expertise: Professional experience with Java or other JVM-based languages, including the Spring ...

bold 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. … 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 ...