Cloudspirit

Cloudspirit is seeking an experienced Application Support Engineer to join a high-performing global team. You will support the eTrading environment for a leading investment banking client, ensuring the stability and performance of critical trading platforms. This role involves overseeing production support activities, managing incident resolutions, and enhancing electronic trading systems in a complex, low-latency environment. Applicants should have strong expertise in application support and scripting.

Cloudspirit is looking for a talented C# Developer to join a high-performing team in London. As part of a hybrid role, you will work on innovative financial systems within a global markets environment, contributing to a distributed P&L and risk analytics platform. Your responsibilities include developing .NET/C# services and implementing Agile best practices. The position offers collaboration with global teams and the chance to participate in the full software development lifecycle.

Location: London (Hybrid - 3 days in office) Type: Full time Are you ready to step into a high-performance environment at the heart of global markets? We're looking for a motivated and technically skilled eTrading Production Support Engineer to join our fast paced Application Support team based in London. You'll be part of a global organisation, supporting cutting edge eTrading platforms used across key financial hubs including New York, Tokyo, and Singapore. What You'll Do: Oversee the day to day production support for critical FX applications Monitor system health, perform capacity and performance management, and resolve incidents efficiently Lead change management activities, including planning, scheduling, and implementing upgrades Collaborate with developers, business analysts, and infrastructure teams to enhance platform performance, stability, and low latency capabilities Develop automation tools and scripts to support operational efficiency Take ownership of specific applications and tools, becoming the subject matter expert in those areas Participate in an on call rota and occasional weekend work to support production deployments What We're Looking For: Strong Python scripting skills for building tools and automation Solid understanding of Linux (Red Hat), with a focus on performance tuning Broad IT knowledge, preferably within a trading or financial services environment Hands on experience with: Scripting: Python, Shell, SQL DevOps tools: Jenkins, Ansible, Artifactory Monitoring: ITRS Geneos, Zabbix, or similar Networking: solid understanding of firewall infrastructure and multicast messaging Familiarity with electronic trading systems (FX or other asset classes) Exposure to low latency, high availability trading environments Project delivery experience in a production or infrastructure setting We Need Someone Who Is: Strong communicator and natural collaborator Analytical thinker with a hands on approach to problem solving Organised, detail oriented, and comfortable handling multiple priorities Self starter with the drive to learn new technologies and systems quickly

Talan is looking for a talented and driven C# Developer to join a high-performing team in London. This is a hybrid role, with 3 days per week on-site, offering the opportunity to work on cutting-edge financial systems within a global markets environment. You will play a key role in building and enhancing a distributed, real-time P&L and risk analytics platform used by Fixed Income Rates and FX trading desks globally. This system delivers predictive and live P&L insights, supporting critical trading decisions across international markets. Working closely with developers, traders, and quantitative teams, you'll contribute across the full development lifecycle from design and implementation to optimisation and deployment. What You'll Be Doing Developing and maintaining scalable .NET/C# services within a distributed streaming architecture Building and supporting real-time data processing systems for P&L and risk analytics Working on out-of-process services, system integrations, and data materialisation layers Driving Agile best practices, including test-driven development (TDD) and automation Collaborating with global teams across EMEA, NY, and APAC Taking ownership of features and proactively proposing improvements Troubleshooting issues and helping unblock cross-team dependencies Strong expertise in C# / .NET development Experience with Redis Cluster Solid understanding of TDD and automated testing Experience with CI/CD pipelines Strong communication and stakeholder engagement skills Ability to quickly learn and adapt to new technologies Passion for automation, simplicity, and continuous improvement Strong grounding in computer science fundamentals and design patterns Collaborative team player with a proactive mindset Experience with distributed systems, streaming, and messaging (e.g. Rx .NET) Knowledge of performance and memory profiling Experience optimising systems for speed and efficiency Familiarity with modern CI/CD tools and practices End-to-end experience across the full software development lifecycle If you're a passionate C# developer looking to work on complex, distributed systems in a fast-paced environment, we'd love to hear from you.

Role Overview Talan is seeking an experienced Application Support Engineer to join a high-performing global team supporting the eTrading environment for a leading investment banking client. Operating within a Production & Application Support function, this role sits at the heart of front-office trading technology, ensuring the stability, performance, and continuous improvement of critical electronic trading platforms. You will work in a complex, low-latency environment supporting high-volume trading flows, interacting closely with trading desks, development teams, and infrastructure specialists across a global follow-the-sun support model. Key Responsibilities Oversee day-to-day production support activities, including monitoring, incident management, and capacity planning Act as a key point of contact for issue resolution, liaising with traders, developers, infrastructure teams, and external vendors Take ownership of assigned applications and platforms, developing deep technical expertise Support and enhance electronic trading systems, including pricing engines, algorithmic trading components, and STP workflows Manage connectivity to external trading venues (e.g. exchanges, ECNs, market data providers) Contribute to system design improvements, focusing on resilience, scalability, and performance optimisation Coordinate release and change management activities, ensuring robust deployment processes Participate in a shift-based rota (7am-6pm coverage) and on-call support, including occasional weekend work Collaborate with global teams across Europe, North America, and Asia within a follow-the-sun support model Continuously improve documentation, monitoring, and operational processes Required Skills & Experience Strong experience in Application Support within electronic trading or capital markets environments Solid expertise across Linux and Windows server environments Experienced withinWintel Engineering Good understanding of market connectivity, networking, and infrastructure (firewalls, multicast, latency considerations) Ability to analyse system performance across CPU, memory, network, and messaging layers Proficiency in scripting and automation (e.g. Python, Shell, PowerShell, SQL) Experience with CI/CD and deployment tools (e.g. Jenkins, Ansible, Artifactory) Familiarity with application stacks involving Java, C++, or .NET Strong stakeholder engagement skills with the ability to operate in a front office facing role Proven ability to manage incidents and deliver improvements in high pressure environments Experience with ION trading platforms or similar vendor systems Knowledge of multicast messaging and low latency trading architectures Monitoring tools such as Geneos or Zabbix Experience with Splunk or similar log analytics platforms

Talan is recruiting for an IT Application Support Analyst to join the London-based CIT Business Support Team dedicated to the Commodities-Indexed Transactions Group (CIT). This is on-site 5 days a week. CIT provides liquidity and market-making services across commodity markets to a large and diversified base of clients worldwide. Products include Base and Precious Metals, Oil, European and North American Power and Natural Gas, Coal, Emissions and Agricultural Commodities. The CIT Business Support Team is one of two CIT IT sub-teams; the other team is the CIT Core Development Team. Both teams work on the trading floor in close partnership with CIT. The primary responsibility of the Business Support Team is to provide front-to-back production support for the CIT platform. Key Responsibilities As a member of the team, support the global commodities in-house platform, critical for front-to-back functionality including pricing, risk management, market data sharing, p&l reporting, settlements, physical scheduling, trade confirmations and regulatory reporting. Proactively monitoring the system Configuring the system Analysing and resolving production support technical and functional issues Fielding questions from all CIT personnel including traders, marketers, risk managers, and middle office and keeping them informed of system issues and changes affecting them Advising the core development team of necessary bug fixes and enhancements Participating in the first-line support rota, which includes an early shift for resolving overnight batch issues and an on-call system for overnight and weekend support. The rota allows those not engaging in first-line support to focus on more in-depth analysis. Release management Skills and Experience This role requires strong problem-solving and communication skills. The analyst will engage directly with many different teams within the bank including trading, sales, middle office, back office, confirmations, market risk and accounting. Therefore, the ability to pick up diverse product and process knowledge will be critical. Functional skills Front to back process. Knowledge on commodities/PNL/Pricing is a plus. Technical skills Intermediate level relational database and SQL skills are required. Python or other programming skills. Good knowledge of script languages (Powershell ) and Windows environment.

Cloudspirit is looking for an IT Application Support Analyst to join the London-based CIT Business Support Team. This role focuses on providing front-to-back production support for the CIT platform, critical to the operations of global commodities. The right candidate will need strong problem-solving skills, experience with relational databases, and the ability to communicate effectively with various teams. This position requires on-site presence five days a week and offers an engaging work environment at the heart of trading activities.

Role Overview As part of its ambition to become a Top 3 contributor in the European ETF market, our client is investing significantly in the evolution of its ETF Market Making platform, with a strong focus on advancing Automated Market Making (AMM) and client RFQ pricing capabilities. This role is centred on the design, development, and delivery of a next-generation electronic trading platform, supporting global trading activities across Europe, the US, and Emerging Markets. The objective is to build a scalable, high-performance platform, while developing long-term expertise to enable future trading and technology initiatives. Key Responsibilities You will act as a hands-on developer within the Front Office trading environment, driving the build and enhancement of critical ETF trading components: Platform Development & Engineering Design and develop core components of the ETF electronic trading platform, with a focus on performance, scalability, and low latency Contribute to the end-to-end build and deployment of features across EU, US, and Global/Emerging Markets Implement enhancements to AMM and RFQ pricing workflows, improving automation and client responsiveness Participate in the architecture and design of distributed systems, ensuring robustness and extensibility Trading Workflow & System Design Analyse existing ETF trading workflows (Blotter, booking, validation chain) and translate them into improved system designs. Lead the design and development of the new ETF Blotter within the Edge Board platform Build clean, efficient, and maintainable data flows between trading systems (ETF Portal, pricing engines, booking systems) Contribute to the modernisation of trading interfaces and tools used by the desk Agile Development & Delivery Work closely with traders and quants to capture requirements and rapidly deliver solutions Contribute to short development cycles, enabling fast iteration and continuous delivery of trading features Ensure high-quality code standards, testing, and deployment practices Drive automation and optimisation across the development lifecycle Platform Capability Build Develop reusable frameworks, libraries, and tools to support the ETF trading ecosystem Contribute to the scalability and industrialisation of the platform for future asset classes or regions Enhance monitoring, observability, and performance tooling from a development perspective (not pure support) Qualifications & Experience Mandatory Skills Strong experience in Front Office trading system development, ideally within electronic trading or market making environments Solid software engineering background with: Python (advanced) SQL / data handling Strong understanding of client-server and distributed architectures Experience working in Linux/Windows environments Proven ability to design and build production-grade systems, not just maintain them Desirable Exposure to C++ (performance-critical components) Knowledge of ETF products, RFQ workflows, or pricing systems Education & Personal Attributes Degree from a top university in Computer Science, Engineering, or related field Strong analytical and problem-solving skills, with the ability to operate in complex, fast-paced trading environments Self-starter with a strong engineering mindset and ownership culture

Cloudspirit is seeking a skilled developer for designing and enhancing an ETF trading platform aimed at European and global market activities. The role includes fast iteration and high-quality code standards alongside working with traders for agile development. Ideal candidates will have a strong background in Front Office trading system development and expertise in Python and SQL. A degree in Computer Science or Engineering is also required. The position presents an excellent opportunity to contribute to a scalable trading ecosystem.