7 of 7 Senior Systems Developer Jobs in London

Senior Developer - Real Time Investment Data Location: London (Hybrid - 3 days onsite Salary: Up to £110,000 + 25% Performance Bonus + 13.5k Partnership Bonus + Excellent Benefits About the role I'm currently supporting a leading global investment firm in hiring a Senior … market data platforms within Financial Services AWS cloud experience (Lambda, S3, serverless, integrations) Knowledge of real-time data, time-series data, and event-driven systems Experience integrating vendor platforms such as Bloomberg, Refinitiv, MarketAxess or similar Strong understanding of Front Office investment data, including market data, pricing, orders, positions ...

Senior Developer - Real Time Investment Data Location: London (Hybrid - 3 days onsite Salary: Up to £110,000 + 25% Performance Bonus + 13.5k Partnership Bonus + Excellent Benefits About the role: I'm currently supporting a leading global investment firm in hiring a Senior … market data platforms within Financial Services AWS cloud experience (Lambda, S3, serverless, integrations) Knowledge of real-time data, time-series data, and event-driven systems Experience integrating vendor platforms such as Bloomberg, Refinitiv, MarketAxess or similar Strong understanding of Front Office investment data, including market data, pricing, orders, positions ...

time and time‐series data platforms within our investment management technology team. This role combines hands‐on engineering with domain expertise, setting direction for systems that underpin market data, trading, portfolio, and analytics workflows used by Portfolio Managers, Traders, and Quant teams. In this role you will … performance, and operational readiness. Lead integrations with vendor platforms and ensure consistent, reliable data across internal consumers. Own production stability for business‐critical data systems, particularly during trading hours. Define and enforce best practices for monitoring, alerting, incident response, and root cause analysis. Proactively identify performance bottlenecks, scalability risks ...

/IBM Planning Analytics Developer (Senior) – 12 Month FTC Location: Hybrid Client: Financial Services … Salary: up to £80,000 This role is a 12-month fixed-term contract. The Role This role sits within a high impact finance systems team and will focus on developing and enhancing IBM Planning Analytics (TM1) solutions supporting FP&A, reporting, and regulatory requirements. Key Responsibilities Develop ...

Gujral is seeking a Senior Lead … C# Software Developer to join close to London Bridge. The role requires 5 to 10 years of solid expertise in developing financial systems, with a focus on robust back-end delivery. The ideal candidate will have extensive experience in C# development for banking or financial platforms ...

agent experience. The contact center is the domain, but the core need is strong development capability. The right person is comfortable building production systems, integrating complex platforms, and using AI-assisted engineering tools to move quickly without sacrificing quality. What You'll Do: Production-grade Node.js services … Lambda, API Gateway, and event-driven serverless patterns. Secure APIs and integrations across internal systems, customer data, and third-party platforms. Technical patterns, implementation standards, and reusable services for the broader contact center systems roadmap. Observability pipelines using OpenSearch, CloudWatch, Kibana, Snowflake, and structured logging. Automation ...

Citi FX Tech in London is seeking a hands-on engineer to implement FX trading systems and drive architecture across teams. You will partner with trading and quant groups to deliver low-latency solutions and robust, well-documented platforms across the FX business. The role emphasizes engineering excellence, deep ...