951 to 975 of 1,790 Software Engineer Jobs in London

Hybrid Software Engineer - Integrations (Payroll & HR)

Location
Greater London, England, United Kingdom
Stream is seeking a Software Engineer - Integrations to join our London-based Global Client Integrations team. You’ll architect, develop and test code that connects with third‐party payroll, HR and WFM systems, helping onboarding of new clients and enhancing the integrations platform. You’ll work ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
entering an exciting period of growth. We're seeking a talented and ambitious Mid-Level Full Stack Developer to join us as Senior Software Engineer, with potential to move quickly into a Head of Technology role, pending performance. The ideal candidate will be hungry to be a part ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
building the engineering team that takes that foundation and turns it into a world-class product and platform. As a Founding Senior Engineer, you'll have an unusually broad mandate: building the product security teams work in, evolving the distributed platform our agents run on, and helping establish … agents run on. Build for long-running, concurrent offensive-security workloads, owning the reliability, capacity, latency and cost characteristics that come with them. Engineer for an unusual threat model. Our platform intentionally runs offensive tooling against customer environments. Authorisation, tenant isolation, secrets, controlled execution, threat modelling and auditability ...

Backend Software Engineer II - Scale Identity Systems

Location
Greater London, England, United Kingdom
Socure in London is seeking a Software Engineer II – Backend to design, build, and operate scalable backend services powering identity verification and fraud prevention products, collaborating with Engineering, Product, Infrastructure, and Data Science teams. You’ll own software from design to production, work on distributed systems, APIs ...

Staff Software Engineer - Customer Data Platform

Location
City of Westminster, England, United Kingdom
constantly, with millions of people benefiting from your work every single day. You’ll be joining the M&S Platform team as a Staff Software Engineer within our Customer Data Platform team. Our mission is to streamline development at M&S for 1000+ engineers and 30+ applications - covering … both our customer-facing and colleague-facing applications. What you’ll do Your key accountabilities will include: Build and maintain high-quality, reliable software in the cloud, embracing a 'you build it, you run it' mindset. Lead delivery of complex features and backlog items within your team, from design ...

Software Engineer London London

Location
Greater London, England, United Kingdom
This in-office expectation does not apply to contractor positions Full-time/London (Engineering) About Applied Intuition Defence Applied Intuition UK is a software and infrastructure supplier that accelerates the deployment of next-generation autonomous capabilities to the warfighter across air, land, sea, and space. A subsidiary … hails from Palantir, Anduril, SpaceX, Google, Lockheed Martin, and the UK and US Armed Services. Learn more at appliedintuitiondefense.com. About the role As a software engineer on the UK engineering team, your day-to-day activities will vary. Somedays you might find yourself in the field, working alongside ...

Lead Software Engineer, Markets Tech & AI Systems

Location
Greater London, England, United Kingdom
JPMorgan Chase & Co. in London seeks a Lead Software Engineer to design and deliver secure, scalable technology solutions in the Markets Technology team. You’ll drive architecture, collaborate across fronts, and mentor teams while focusing on high standards and continuous improvement. You’ll own production outcomes for critical ...

Senior Java Software Engineer for Secure FinTech Platforms

Location
Greater London, England, United Kingdom
JPMorganChase & Co. in Greater London is seeking a Software Engineer III to join its Payments tech team. You will design and deliver trusted, secure, scalable technology products as a seasoned team member within an agile environment. You will contribute across multiple technical areas, develop production-ready code ...

Lead Software Engineer - Autonomy, AI & Enterprise Platform

Location
Greater London, England, United Kingdom
Arondite is seeking a Lead Software Engineer to drive the success of our enterprise product, Cobalt. You will balance architecting, coding and mentoring across frontend, backend and full‐stack work, collaborating with product managers and designers to hit tight deadlines. You will guide a team of engineers, influence ...

Lead Software Engineer – Risk Platform & P&L

Location
Greater London, England, United Kingdom
慨正橡扯 is seeking a Lead Software Engineer – Athena to shape our Risk platform and Aggregation system. You will design and build high-performance Python solutions for rates trading, risk metrics, and P&L analysis across trading desks and back-office functions. You will collaborate with quantitative analysts, traders ...

Senior Software Engineer, Inference Platform (Kubernetes)

Location
Greater London, England, United Kingdom
CoreWeave in London seeks a Senior Software Engineer, Inference, to own architectural designs and raise engineering standards across multiple services. You will partner with product, orchestration, and hardware teams to evolve a Kubernetes-native inference platform while meeting strict P99 SLAs at scale. You will lead design reviews ...

Senior Software Engineer II — Reliability & Observability

Location
Greater London, England, United Kingdom
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 management ...

Senior Software Engineer - Product Owner, Remote UK

Location
Greater London, England, United Kingdom
CybSafe is seeking a senior software engineer to own product features end to end, from problem shaping to production. You'll work within a small autonomous squad alongside product, design, and science teams, guiding roadmap conversations in ambiguity. The ideal candidate has strong Python experience, relational database know ...

Lead Software Engineer – Fixed Income Tech (UK)

Location
Greater London, England, United Kingdom
JPMorganChase is seeking a Lead Software Engineer in the Commercial and Investment Bank – Post Trade Technology Group to lead the delivery of trusted, scalable technology products within an agile team. You will contribute across multiple technical areas, driving architectural decisions and elevating engineering practices. The role emphasizes secure ...

AI Software Engineer — Autonomous Security & PenTesting (Remote)

Location
Greater London, England, United Kingdom
Matchtech is seeking an AI Software Engineer for a permanent remote role in the UK. You will design and deploy AI agents that automate penetration testing, build sandboxed lab infrastructure with Docker/Kubernetes, and deliver AI features from design through production with guardrails. The role emphasizes security ...

Senior Software Engineer, Unified Platform - Digital Assets

Location
Greater London, England, United Kingdom
it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. DRW has an opening for a Senior Software Engineer focused on digital assets. The team builds and operates systems that move and safeguard cryptoassets across the firm — including treasury automation, wallet inventory … digital asset operations and related business partners. Partnering with those teams to turn ambiguous business problems into clear technical plans and shipped software. Owning software end-to-end after it ships — we run what we build (deploy, operate, on-call); we don’t hand systems off to a separate ...

Principal Software Engineer

Hiring Organisation
Vitality Corporate Services Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Enterprise Technology Leadership Recognised Java Engineering Expertise Advanced Architecture & Systems Integration Capability What this role is all about We're looking for a Principal Software Engineer to join Vitality's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This is a highly influential … role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver technology that ...

Lead Software Engineer - Backend Engineering - Java/Kotlin

Location
Greater London, England, United Kingdom
realize your potential. Our team is key to our success. We’re people‐first. We value collaboration, curiosity and commitment. As a Lead Software Engineer at JPMorgan Chase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into the hands … clients and business partners around the world. Job responsibilities: Use domain modeling techniques to allow us to build best in class business products. Structure software so that it is easy to understand, test and evolve. Build solutions that avoid single points of failure, using scalable architectural patterns. Develop secure ...

Hybrid Senior Software Engineer – Real-time Media (London)

Location
Greater London, England, United Kingdom
Cisco Webex Real-time Media Engineering Group in London is hiring a Senior Software Engineer to design, develop, test, and deliver new features for Webex products. The role emphasizes DevOps, microservices, and a data-driven approach to quality in a hybrid London office environment. You will work ...

Senior Software Engineer, Research Tech - HPC Pipelines

Location
Greater London, England, United Kingdom
seeking a Senior Software Engineer - Research Technology in London to design and operate compute-intensive analytics platforms. You will work on ingest, simulation, and research tooling in a fast-paced environment with onboarding support for trading contexts. Responsibilities include building scalable data systems, optimizing performance, and mentoring junior … teammates while delivering reliable software for researchers and trading teams. #J-18808-Ljbffr ...

Java Software Engineer- FinTech London

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Core Java Engineer Get into Trading/Finance80k Plus BonusQuant Capital is urgently looking for a Core Java Engineer to join our high profile client. Our client has recently been voted in the fintech 100 (best financial technology businesses). They provide a market leading Execution Management System … data. The bulk of the external connectivity uses FIX sessions; FAST/FIX, SBE, Swift and other propriety protocols make up the rest. Most software is developed in Java. The client trades across Equities, Fixed Income, and FXOn a day to Day basis the Java Engineer will: Support ...

AI-Driven Agentic Commerce Software Engineer

Location
Greater London, England, United Kingdom
Globalpayer in London is seeking a Software Engineer, Agentic Commerce to join our pioneering Engineering team and help shape the future of autonomous, AI-assisted payments. You'll design and secure checkout APIs, integrate agentic payment capabilities, and deliver merchant-facing APIs and SDKs while collaborating across product ...

Data Pipeline Software Engineer - Commodities (Python)

Location
Greater London, England, United Kingdom
seeking a Software Engineer to join the Commodities Data Team in London. You will help build data pipelines for ingestion and analysis of datasets, collaborating with senior data engineers and stakeholders on both greenfield and legacy projects. Initially you will focus on delivering data to analysts, with opportunities ...

Lead Software Engineer - Hybrid | Java/AWS, AI & Architecture

Location
Greater London, England, United Kingdom
business building a product that simulates what it’s actually like to work in trading, banking and quantitative finance. They’re seeking a Lead Software Engineer who still enjoys coding and will lead a small team in London two days a week. You will write Java/Spring ...

Software Engineer - Digital Assets

Location
Greater London, England, United Kingdom
Optiver is looking for a Senior Digital Assets Software Engineer to join our Digital Assets Tech Team in London. In this role, you’ll build and evolve trading systems for cryptocurrency markets, working closely with traders and researchers to deliver solutions in a fast-moving and constantly changing … help shape the digital assets platform Take ownership of production systems and drive continuous improvements Who you are 5+ years of experience in software engineering, ideally in trading, crypto, or other real-time systems Strong C++ development skills, with experience building reliable production systems Hands-on experience integrating with ...