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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Support Engineer - **Company:** Talan - **Location:** Greater London, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Algorithmic Trading, Bash Shell, C++ (Programming Language), Continuous Integration, Linux, Monitoring of Systems, Python (Programming Language), Windows Servers, Multicasting, Performance Tuning, Windows PowerShell, Ansible, SQL Databases, Zabbix, Firewalls (Computer Science), Low Latency, Deployment Automation, Splunk, Jenkins, Artifactory - **Published:** August 30, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815446628-application-support-engineer ## About the Role * 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 ## Description 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., * 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 ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)