14 of 14 Senior Software Engineer Jobs in the City of London

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background … Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. ...

Senior Software Engineer/Developer (C# Python AI) London/WFH to £100k Are you a Senior Software Engineer with C# and/or Python coding skills combined with a strong knowledge of software engineering best practices and system design? You could … heavily focused on greenfield development, giving you the opportunity to have real influence over architecture, engineering practices and how AI is embedded into the software development lifecycle. As a Senior Software Engineer, you'll be an individual contributor working primarily on backend and cloud-native development. ...

Opportunity Join Attest at a pivotal moment: we're transforming how the world's leading brands discover and act on consumer insights. As a Senior Software Engineer on the Measure squad, you'll help grow and evolve Attest Measure, our quantitative survey platform that gives brands robust … within Measure. Attest powers insights for brands like Netflix, Unilever, Nestle, and Reddit, connecting them to 150+ million consumers across 59 countries. As a Senior Software Engineer on the Measure squad, you'll work on complex challenges spanning frontend engineering, backend services, and data visualisation, shaping ...

Senior Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture … Contributing to architectural and technical decisions Improving resilience, observability and overall system reliability Working closely with engineers and technical stakeholders to deliver high-quality software Supporting infrastructure, deployment and continuous improvement The Technology You'll be working across a modern, cloud-native engineering environment including: Python | Java | GCP | Docker ...

looking for a Senior Software Engineer to join a growing AI team and take ownership of the application and integration layer behind a new generation of AI-powered products. This is a genuinely full-stack engineering role, combining production-grade backend development, API design, AI integrations … advantageous, although deep ML expertise isn't required. This is an opportunity to have genuine ownership over how AI capabilities become usable, scalable software products. You'll be joining an AI-focused engineering environment where you can work at the intersection of software engineering, APIs, cloud infrastructure ...

Senior Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: Mesut Kosucu Description Overview of the role This role sits in the Banking and FX tribe, which owns payment processing, FX pricing and trading, the ledger, reconciliation, bank integrations, FIX engine connectivity, payment … accordingly. We use Grafana and Application Insights. We hold client money, so this is the job rather than a preference. Real experience building software with AI, not just an interest in it. We want someone with a feel for when it helps and when it's quietly making ...

Impact and Responsibilities We are seeking a Senior Software Engineer who thrives on untangling complex systems and modernising core infrastructure without breaking production. This is an exciting opportunity to modernise core C#/SQL systems! Extract legacy business logic, build clean services, and verify changes in shadow … Server stored procedures and backend logic with total precision ensuring client-money correctness is never compromised. What we're looking for in you Senior-level, hands-on experience in modern .NET (.NET 6+) paired with deep, comfortable familiarity with legacy .NET Framework 4.8 (ASP.NET MVC 5, WebAPI 2, Entity ...

Portfolio Credit Control is seeking a Senior Software Engineer to own the application and integration layer for a new generation of AI-powered products. The role spans backend, API design, MCP integration and frontend development with React and TypeScript. You will design scalable REST/GraphQL APIs ...

Attest is seeking a Senior Software Engineer to join the Measure squad and help evolve our quantitative survey platform. You will work across frontend and backend, building scalable features and shaping direction while mentoring teammates. The role emphasizes AI-native development, real-time data, and robust visualisations ...

Expedia Group Advertising is seeking a senior software engineer to design, build, and evolve backend and full-stack services powering our display and travel ads platforms in London. You will drive end-to-end delivery, collaborate with product and architecture, and improve observability and reliability across services. ...

JPMorgan Chase & Co. in London is seeking a Software Engineer III to join the Corporate & Investment Bank Payments tech team. You will act as a seasoned member of an agile team to design and deliver trusted, market-leading technology products in a secure, scalable manner. You will contribute ...

Maternity Leave Cover - Fixed Term Employee for 12 months Logistics: Hybrid - 2 days per week in our London HQ Alto Software Group is a B2B SaaS company that powers more than half of all UK housing transactions each year. We create software solutions that connect businesses and consumers … knowing when each is the right tool and keeping the whole system coherent as our product grows. If you are passionate about how software should be built and want to be in the room where those decisions get made, there's never been a better time to join us. ...

financial markets, especially in delta one, store of value, and/or FICC options trading Experience with Linux‐based, concurrent, high‐throughput, low‐latency software systems Experience with pipeline orchestration frameworks (e.g. Airflow, Dagster) Experience with streaming platforms (e.g. Kafka), data lake platforms (e.g. Delta Lake, Apache Iceberg ...

guidelines. Minimum Qualifications: Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience. 8+ years of relevant professional software development experience with a strong focus on backend development, using Java or Kotlin, building and operating high-performance, high-throughput, highly available, and scalable ...