Top Software Engineer Jobs in London

Lead technical direction for enterprise-scale data and account-control systems across the full stack. Drive architecture, engineering practices, and production features from design through deployment, collaborating with Product and Design to deliver reliable, user-facing web products.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

The role involves designing and maintaining a data platform, enhancing system efficiency, implementing data query solutions, and technical reviews within a data engineering team.

Design and build scalable, multi-tenant payment and embedded finance platform features. Own cross-domain product integrations, collaborate with Product/Design/Compliance/Sales, optimize performance and reliability, and drive multi-team technical initiatives that impact enterprise customers.

Build scalable automation to generate regulatory and financial reports from large warehouse data sets. Lead technical design, development, code review, reconciliations, and collaborate with Compliance, Finance, and Treasury to meet regulatory obligations.

Responsible for building applications and workflows based on customer data, solving critical problems, and automating processes while working closely with stakeholders.

The Forward Deployed Software Engineer develops impactful applications for clients, utilizing data-driven solutions to enhance business operations while collaborating closely with stakeholders.

The intern will work on developing high-performance research platforms, create tools for trading strategies, and collaborate with teams to innovate financial technology.

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

The Senior GenAI Software Engineer will architect AI systems for ad creatives, prototype solutions, and mentor teams while driving innovation in generative AI applications.

As a Full Stack Developer, you will build and deploy features, manage database policies, and collaborate with teams in an Agile environment.

Design and develop cross-platform mobile solutions using React Native, collaborating with teams to create integrated consumer experiences while ensuring app performance and reliability.

Build and ship agentic LLM systems for Treasury: cash monitoring, funding execution, narrative generation, and discovery-to-deployment pipelines. Create reusable agent infrastructure, governance, evaluation, and partner with engineering to ensure data accuracy while embedding with operators to scope and iterate solutions.

The Senior Software Engineer II will develop Akamai's object storage platform, focusing on building reliable, scalable, cost-effective solutions and defining next-gen cloud tooling.

11-week internship building high-performance research platforms and trading tools. Work in small teams on distributed systems, NLP/ML applications, and web frameworks while collaborating with senior engineers.

As a Software Engineer, you will design and maintain scalable systems for the embedded finance platform, ensuring high availability and optimal performance while collaborating with cross-functional teams.

Design and develop software solutions, analyze complex problems, and provide support for trading activities in a dynamic environment.

The role involves designing and developing backend services, maintaining RESTful APIs, and optimizing systems for financial transactions with a focus on automation and security best practices.

Build scalable, production-ready Python services and internal tools that surface engineering metrics and AI impact. Own end-to-end features, partner with leadership and data teams, define measurements, and drive cross-team technical direction and observability.

The Software Engineer develops solutions for complex projects, leads application architecture planning, collaborates with teams, and mentors junior members, ensuring quality and efficiency in software delivery.

Develop and maintain CWAN's cloud-based platform components, troubleshoot technical issues, and collaborate on deployments and architectural decisions.

The Senior Backend Software Engineer will design, develop, and maintain scalable backend services, optimize applications, build APIs, and collaborate across teams to improve user workflows and product efficiency.

The Senior Front End Software Engineer will architect and develop user interfaces for data-intensive applications, mentor peers, and engage directly with users to improve product features.

The Senior Backend Software Engineer collaborates in teams to design and build scalable infrastructure systems, optimizing data-driven applications across sectors.

As a Software Engineer on the Apollo platform, you'll build and maintain systems for software deployment, solve customer issues, debug complex problems, and collaborate across teams.