7 of 7 Systems Developer Jobs in the City of London

her such an inspiration to her colleagues and the learners she works with. To find out more about the amazing work WAES does, visit waes.ac.uk The Role: As a systems developer at Westminster Adult Education Service (WAES), you can make your own powerful contribution. You will drive innovative projects and handle technical challenges to achieve the goal … ongoing Digital and IT strategy of WAES. Leading on the identification, development and implication of digital solutions. Working closely with curriculum and service wide colleagues, you'll ensure that systems are developed to best meet the needs of the administration and learners. You'll support with the maintenance and ongoing development of the WAES' learner records systems. Also with … the implementation of new systems and products, managing the development timeline and communicating this effectively; at times, this may require bespoke solutions. Another part of your role will be managing user training for data management systems, including the production of user documentation as required. Alongside our IT and Marketing teams, you will work on the continual development of More ❯

OneStream Finance Systems Developer Location: London (Hybrid) Type: Permanent SystemsAccountants is working with a leading international organisation to recruit a OneStream Finance Systems Developer . This is a key role within the Group Financial Control function, focusing on the ongoing development, maintenance, and enhancement of their enterprise-wide OneStream Corporate Performance Management (CPM) system. … The Opportunity As the OneStream Finance Systems Developer, you will be responsible for delivering enhancements and supporting the core functionality of the group’s consolidation and planning platform. You’ll play a vital role in driving automation, simplifying processes, and enabling faster, more insightful reporting across the business. You’ll work closely with finance stakeholders to gather … take technical ownership of a global finance system in a high-impact role. You’ll work with a progressive and forward-thinking team, helping shape the future of financial systems and decision-making across the business. Applicants need to hold right to work in the UK. Unfortunately, sponsorship cannot be offered for this position. More ❯

OneStream Finance Systems Developer Location: London (Hybrid) Type: Permanent SystemsAccountants is working with a leading international organisation to recruit a OneStream Finance Systems Developer . This is a key role within the Group Financial Control function, focusing on the ongoing development, maintenance, and enhancement of their enterprise-wide OneStream Corporate Performance Management (CPM) system. … The Opportunity As the OneStream Finance Systems Developer, you will be responsible for delivering enhancements and supporting the core functionality of the group’s consolidation and planning platform. You’ll play a vital role in driving automation, simplifying processes, and enabling faster, more insightful reporting across the business. You’ll work closely with finance stakeholders to gather … take technical ownership of a global finance system in a high-impact role. You’ll work with a progressive and forward-thinking team, helping shape the future of financial systems and decision-making across the business. Applicants need to hold right to work in the UK. Unfortunately, sponsorship cannot be offered for this position. More ❯

SYSTEMS DEVELOPER – High Performance Trading Infrastructure London - Hybrid £100,000-150,000 + bonus Quant Capital is recruiting on behalf of a leading global quant investment firm seeking a Systems Developer to join its high-impact technology group in London. This role is part of a core engineering team focused on building and maintaining … the backbone infrastructure supporting high-performance trading and large-scale research. In this hands-on role, you will gain significant exposure to distributed systems, high-throughput computing, and low-latency infrastructure. You’ll work on complex technical challenges that directly influence the firm’s ability to process data and execute strategies at scale. Role Responsibilities As a member of … the core systems engineering team, you will: Design, develop, and maintain large-scale compute and storage systems used across trading and research functions Work on the architecture and implementation of distributed workload scheduling, fleet orchestration, and performance tuning across a large server estate Build internal tools for managing system performance, reliability, and software lifecycles (SDLC) Tackle performance bottlenecks More ❯

SYSTEMS DEVELOPER – High Performance Trading Infrastructure London - Hybrid £100,000-150,000 + bonus Quant Capital is recruiting on behalf of a leading global quant investment firm seeking a Systems Developer to join its high-impact technology group in London. This role is part of a core engineering team focused on building and maintaining … the backbone infrastructure supporting high-performance trading and large-scale research. In this hands-on role, you will gain significant exposure to distributed systems, high-throughput computing, and low-latency infrastructure. You’ll work on complex technical challenges that directly influence the firm’s ability to process data and execute strategies at scale. Role Responsibilities As a member of … the core systems engineering team, you will: Design, develop, and maintain large-scale compute and storage systems used across trading and research functions Work on the architecture and implementation of distributed workload scheduling, fleet orchestration, and performance tuning across a large server estate Build internal tools for managing system performance, reliability, and software lifecycles (SDLC) Tackle performance bottlenecks More ❯

infrastructure to power high-frequency and algorithmic trading across digital asset markets worldwide. This company is motivated to hire top talent from around the globe. As a C++ Trading Systems Engineer, you’ll be part of an elite team writing low-latency, high-throughput code from day one. This is a high-impact front-office role, embedded with quant … traders and researchers, where your systems will drive execution across dozens of venues in real time. Responsibilities: Architect and deploy ultra-low latency crypto trading systems in modern C++ (20/23) Build high-performance backtesting, simulation, and market data pipelines Optimize direct exchange connectivity, order flow, and strategy execution Push production code live daily—what you build … gets used immediately Qualifications: 3+ years of expert-level C++ on Linux in trading, HFT, or real-time systems Proven track record of shipping mission-critical, latency-sensitive software Deep experience with FIX, binary protocols, and market data ingestion Obsession with performance, minimalism, and elegant code More ❯

infrastructure to power high-frequency and algorithmic trading across digital asset markets worldwide. This company is motivated to hire top talent from around the globe. As a C++ Trading Systems Engineer, you’ll be part of an elite team writing low-latency, high-throughput code from day one. This is a high-impact front-office role, embedded with quant … traders and researchers, where your systems will drive execution across dozens of venues in real time. Responsibilities: Architect and deploy ultra-low latency crypto trading systems in modern C++ (20/23) Build high-performance backtesting, simulation, and market data pipelines Optimize direct exchange connectivity, order flow, and strategy execution Push production code live daily—what you build … gets used immediately Qualifications: 3+ years of expert-level C++ on Linux in trading, HFT, or real-time systems Proven track record of shipping mission-critical, latency-sensitive software Deep experience with FIX, binary protocols, and market data ingestion Obsession with performance, minimalism, and elegant code More ❯