exclusive features. Direct message the job poster from Selby Jennings Consultant - Technology Infrastructure Recruitment Selby Jennings We're looking for a technically curious ApplicationSupportEngineer to join the Unified Platform Support team at a leading proprietary trading firm. You'll work closely with … gives you the freedom to dig into issues - sometimes right down to the code. Key Responsibilities We're looking for a technically curious ApplicationSupportEngineer to join the Unified Platform Support team at a leading proprietary trading firm. You'll work closely with … Finance Industries Funds and Trusts Referrals increase your chances of interviewing at Selby Jennings by 2x Sign in to set job alerts for “ApplicationSupportEngineer” roles. London, England, United Kingdom 2 days ago London, England, United Kingdom 1 week ago Greater London, England, United Kingdom More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Technical SupportEngineer (PHP-based application) - Global Tech Firm - Remote, London (City of London) Client: Hawksworth Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Position: Technical Support … application) Company: Global Software company specializing in DevOps, version control, and security Fully remote role Do you have experience supporting and troubleshooting PHP-based applications, such as Zend Framework, across Linux and Windows environments? Our client is a highly reputable software company, with clients including NASA. The list of … their clients and projects is impressive! We are seeking a Senior Technical SupportEngineer with expertise in supporting PHP-based applications, particularly Zend Framework. In this role, you will provide technical support for our client's environment, working on both Linux and Windows More ❯
City of London, England, United Kingdom Hybrid / WFH Options
TieTalent
TieTalent City Of London, England, United Kingdom Join or sign in to find your next job Join to apply for the Junior ApplicationSupportEngineer role at TieTalent About Financial Services Firm is hiring for a Junior ApplicationSupportEngineer for their … employer and welcome applicants from all backgrounds. Nice-to-have skills Linux SQL AWS and Lambda Python Docker Git Elastic Stack components Work Experience Applications Languages English Seniority Level Entry level Employment Type Temporary Job … Function Information Technology Industries Technology, Information and Internet Referrals can double your chances of interview success at TieTalent. Set up job alerts for “ApplicationSupportEngineer” roles by signing in. We’re innovating community knowledge sharing with insights contributed directly into articles, supported by AI. #J More ❯
Platform SupportEngineer - App Support - £60K Our client is a growing Financial Technology (FinTech) company - They build innovative software for risk management, investment analytics and even trading market data. They’re growing their Platform Operations and Support team and are looking for … engineers to join them. In a varied role you’ll be involved in customer-facing support across the business, monitoring automation, SQL scripting and database development, application and code (Java, Python etc) support and improvements, infrastructure engineering and support and even the building out … of DevOps methods and tools. Requirements: Experience in a similar ApplicationSupport position Good SQL and database knowledge Experience of supporting complex applications Solid infrastructure (Linux, Windows, networking) understanding Experience of monitoring and automation (Python, PowerShell, Bash etc) Cloud, DevOps and automation skills Excellent communication and interpersonal More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
ApplicationSupportEngineer - £50K - SaaS Our client is a growing Software as a Service (SaaS) company, building cutting edge platforms and data solutions for the advertising and marketing industry. Based in central London, with flexible, hybrid working, they’re looking to hire an engineer to support multiple their bespoke applications and production platforms. If you enjoy working with users and, have great SaaS/app support knowledge and want to learn more about IT systems and technology infrastructure - This is the opportunity for you! Requirements: Experience of … application administration and support Production Support background DevOps and Automation knowledge - AWS, Terraform, CI/CD etc Strong analytical and problem-solving skills, SQL skills Excellent communication and interpersonal skills A proactive, motivated approach – The desire to learn new things and do more More ❯
nd Level ApplicationSupportEngineer We are looking for a experienced technical engineer to join our growing Equities business. The platform you will be looking after is used by multiple trading desks servicing a diverse set of clients and instruments. As part of the … growth area, with current investments taking place in all of the technology, business and middle office areas. Primary Responsibilities: Monitor application components. Global support and includes weekend availability to troubleshoot production related issues and perform checkouts. Expertise in operating windows and Linux environment with good command over any … Devops tools such Bamboo or Jenkins. Hands-on experience in support of a real-time trading environment. Knowledge of supportapplications that use high-performance messaging/middleware. Strong analytical, and verbal and written communication skills. Strong Knowledge of FIX protocol. Java, C#, C++ development More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Mondrian Alpha
ApplicationSupportEngineer – Elite Systematic Trading Firm - Prop Trading - Up to £300k TC - WFH My client, an elite and fast-growing systematic trading firm, is looking for an ApplicationSupportEngineer to join a high-impact, London-based team at the cutting … is a career-defining opportunity to join an engineering-driven firm where technology is core to every decision. You will provide mission-critical support for low-latency trading systems, automate infrastructure and application processes, and collaborate directly with trading, development, and infrastructure teams. You will operate in a … performance environment that values precision, initiative, and continuous innovation. Key Responsibilities Deliver L1/L2 support for proprietary and third-party trading applications across global markets. Ensure maximum uptime of latency-sensitive trading platforms, proactively identifying and resolving production issues. Automate and enhance support functions More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Mondrian Alpha
ApplicationSupportEngineer – Elite Systematic Trading Firm - Prop Trading - Up to £300k TC - WFH My client, an elite and fast-growing systematic trading firm, is looking for an ApplicationSupportEngineer to join a high-impact, London-based team at the cutting … is a career-defining opportunity to join an engineering-driven firm where technology is core to every decision. You will provide mission-critical support for low-latency trading systems, automate infrastructure and application processes, and collaborate directly with trading, development, and infrastructure teams. You will operate in a … performance environment that values precision, initiative, and continuous innovation. Key Responsibilities Deliver L1/L2 support for proprietary and third-party trading applications across global markets. Ensure maximum uptime of latency-sensitive trading platforms, proactively identifying and resolving production issues. Automate and enhance support functions More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Mondrian Alpha
Senior ApplicationSupportEngineer – Elite Systematic Trading Firm - Prop Trading - Up to £450k TC - WFH My client, an elite and fast-growing systematic trading firm, is looking for an ApplicationSupportEngineer to join a high-impact, London-based team at the … is a career-defining opportunity to join an engineering-driven firm where technology is core to every decision. You will provide mission-critical support for low-latency trading systems, automate infrastructure and application processes, and collaborate directly with trading, development, and infrastructure teams. You will operate in a … performance environment that values precision, initiative, and continuous innovation. Key Responsibilities Deliver L1/L2 support for proprietary and third-party trading applications across global markets. Ensure maximum uptime of latency-sensitive trading platforms, proactively identifying and resolving production issues. Automate and enhance support functions More ❯
Web ApplicationSupportEngineer - SaaS - £60K Our client is a growing Financial Technology (FinTech) company - They build innovative software for investment managers, hedge funds and private equity markets. They’re growing their Software Engineering and Support teams and are looking for engineers to join … them. In a varied role you’ll be involved in client-facing support engineering of cutting-edge (Cloud-based) applications and SaaS platforms. You’ll need great knowledge of supporting an application stack, APIs and Cloud and have the chance to be involved in driving the use … team around you. Requirements: Experience in a similar ApplicationSupport/Support Engineering position Experience supporting Cloud-based applications, APIs and SaaS software Software coding skills Excellent communication and interpersonal skills Great SQL and data knowledge Experience of supporting complex applications Infrastructure More ❯
Insight Global is hiring an ApplicationSupportEngineer for a financial services client based in London. This is an Inside IR35 contract to hire and is onsite 2x a week in London. Must Haves: Technical Skills: Hands on experience in Production/ApplicationSupport … root cause analysis and implement fixes to resolve incidents promptly. Document incidents and resolutions for future reference. System Maintenance: Apply patches and updates to applications and databases to ensure security and stability. Monitor performance metrics and optimize system performance as needed. User Support: Assist users with technical … security best practices. Project Participation: Participate in project meetings to provide insights from a support perspective. Assist in the deployment of new applications and features. End-of-Day Review: Summarize daily activities and report any unresolved issues to the team. Plan for the next day's tasks More ❯
london (city of london), south east england, united kingdom
Insight Global
Insight Global is hiring an ApplicationSupportEngineer for a financial services client based in London. This is an Inside IR35 contract to hire and is onsite 2x a week in London. Must Haves: Technical Skills: Hands on experience in Production/ApplicationSupport … root cause analysis and implement fixes to resolve incidents promptly. Document incidents and resolutions for future reference. System Maintenance: Apply patches and updates to applications and databases to ensure security and stability. Monitor performance metrics and optimize system performance as needed. User Support: Assist users with technical … security best practices. Project Participation: Participate in project meetings to provide insights from a support perspective. Assist in the deployment of new applications and features. End-of-Day Review: Summarize daily activities and report any unresolved issues to the team. Plan for the next day's tasks More ❯
We're looking for a technically curious ApplicationSupportEngineer to join the Unified Platform Support team at a leading proprietary trading firm. You'll work closely with developers to support complex, high-performance systems used for market data processing, regulatory reporting … to users across the firm (typically 2-10 issues per day), escalating to L3 when required Assist in onboarding new teams and applications to the platform support model Continuously refine monitoring processes and documentation as the platform evolves What We're Looking For Experience supporting … and troubleshooting high-performance applications in a financial services environment Strong Linux skills and comfort working in command-line environments Understanding of market data and/or order data systems, including protocols like FIX or exchange-native formats Strong analytical and problem-solving mindset Ability to navigate or debug More ❯
london (city of london), south east england, united kingdom
Selby Jennings
We're looking for a technically curious ApplicationSupportEngineer to join the Unified Platform Support team at a leading proprietary trading firm. You'll work closely with developers to support complex, high-performance systems used for market data processing, regulatory reporting … to users across the firm (typically 2-10 issues per day), escalating to L3 when required Assist in onboarding new teams and applications to the platform support model Continuously refine monitoring processes and documentation as the platform evolves What We're Looking For Experience supporting … and troubleshooting high-performance applications in a financial services environment Strong Linux skills and comfort working in command-line environments Understanding of market data and/or order data systems, including protocols like FIX or exchange-native formats Strong analytical and problem-solving mindset Ability to navigate or debug More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Recognise Bank
Hello, We are Recognise Bank; a modern business bank built to support the UK’s SMEs with tailored lending and savings solutions. Founded in 2017 by experienced business owners, we set out to challenge traditional banking by offering more flexibility, understanding, and practical support to help … in everything we do. 💡 Make a difference: We focus on impact, helping our customers, colleagues, and communities succeed. About the role As an ApplicationSupportEngineer , you will play a vital role in maintaining and optimising Recognise Bank’s core technology platforms, including nCino (Salesforce) , Mambu … contribute to documentation and process improvements to help scale and evolve our platforms. This hands-on role requires strong technical expertise in SaaS applicationsupport, Salesforce development, and systems integration, with a focus on delivering seamless, reliable solutions in a fast-paced environment. Key Responsibilities Provide BAU supportMore ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Recognise Bank
Hello, We are Recognise Bank; a modern business bank built to support the UK’s SMEs with tailored lending and savings solutions. Founded in 2017 by experienced business owners, we set out to challenge traditional banking by offering more flexibility, understanding, and practical support to help … in everything we do. 💡 Make a difference: We focus on impact, helping our customers, colleagues, and communities succeed. About the role As an ApplicationSupportEngineer , you will play a vital role in maintaining and optimising Recognise Bank’s core technology platforms, including nCino (Salesforce) , Mambu … contribute to documentation and process improvements to help scale and evolve our platforms. This hands-on role requires strong technical expertise in SaaS applicationsupport, Salesforce development, and systems integration, with a focus on delivering seamless, reliable solutions in a fast-paced environment. Key Responsibilities Provide BAU supportMore ❯
City of London, London, United Kingdom Hybrid / WFH Options
Paragon Alpha - Hedge Fund Talent Business
outperformed the entire European market this year, and being a systematic trading firm they've placed a huge impetus on their suite of software applications; and need an engineer to augment these. The systematic … tech teams work on the cutting edge of electronic trading, and the technologies and infrastructure is vital to their success. They need an ApplicationSupportEngineer to come in and aid their trading tech divisions, working with supporting traders and engineers get the most out of More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Paragon Alpha - Hedge Fund Talent Business
outperformed the entire European market this year, and being a systematic trading firm they've placed a huge impetus on their suite of software applications; and need an engineer to augment these. The systematic … tech teams work on the cutting edge of electronic trading, and the technologies and infrastructure is vital to their success. They need an ApplicationSupportEngineer to come in and aid their trading tech divisions, working with supporting traders and engineers get the most out of More ❯
My client, a leading electronic trading firm, is seeking an elite applicationsupportengineer with very strong coding skills to join their team in London. The successful individual will have strong C++ or Java coding skills with 5+ years of hands-on experience supporting trading applicationsMore ❯
london (city of london), south east england, united kingdom
Mondrian Alpha
My client, a leading electronic trading firm, is seeking an elite applicationsupportengineer with very strong coding skills to join their team in London. The successful individual will have strong C++ or Java coding skills with 5+ years of hands-on experience supporting trading applicationsMore ❯
My client, a leading multi-strategy hedge fund, is seeking an elite applicationsupportengineer with very strong coding skills to join their team in London. The successful individual will have strong Python coding skills with 3+ years of hands-on experience supporting trading applicationsMore ❯
london (city of london), south east england, united kingdom
Mondrian Alpha
My client, a leading multi-strategy hedge fund, is seeking an elite applicationsupportengineer with very strong coding skills to join their team in London. The successful individual will have strong Python coding skills with 3+ years of hands-on experience supporting trading applicationsMore ❯
You will be working very closely with the trading, quantitative, business, and software engineering teams to support and enhance their trading applications with cutting edge technology. Skills and Experience: Required: • Production/Applicationsupport experience within a financial services company • Strong investigative skills, partnered with … deep technical skills • Client service orientation, including a helpful and collaborative approach to support • Experience with Python or another programming language • Strong SQL skills Preferred: • Experience deploying monitoring tools such as Kibana, Logstash … or equivalent, and integrating them with existing systems. • Experience with the Atlassian stack (JIRA/Confluence) • Experience using and maintaining AWS based infrastructure and applications • Experience using and maintaining the ELK stack (Elastic Search) • Strong Unix skills, including reading and understanding the Unix file system More ❯
london (city of london), south east england, united kingdom
Woolf Connection
You will be working very closely with the trading, quantitative, business, and software engineering teams to support and enhance their trading applications with cutting edge technology. Skills and Experience: Required: • Production/Applicationsupport experience within a financial services company • Strong investigative skills, partnered with … deep technical skills • Client service orientation, including a helpful and collaborative approach to support • Experience with Python or another programming language • Strong SQL skills Preferred: • Experience deploying monitoring tools such as Kibana, Logstash … or equivalent, and integrating them with existing systems. • Experience with the Atlassian stack (JIRA/Confluence) • Experience using and maintaining AWS based infrastructure and applications • Experience using and maintaining the ELK stack (Elastic Search) • Strong Unix skills, including reading and understanding the Unix file system More ❯
City of London, England, United Kingdom Hybrid / WFH Options
Hunter Bond
Job title: Production Support & Platform Engineer/Application SRE – Integration & Project Management Client: FinTech Salary: £90,000-£170,000 Location: London/Hybrid Skills: Linux, SQL, Python, FIX, SRE, Infrastructure, Project Management, Coordination, Trading The role: My client are looking for a talented individual with a … in the integration space, in a fast paced dynamic Trading environment. Responsibilities: Coordinate and Project Manage enterprise level rollouts/migrations of Infrastructure and Applications Act as key liaison between various teams for cross-team integration projects Managing stakeholders and their expectations Scripting and automation for project tracking dashboards … This role could suit an individual from a number of backgrounds: Production/Integration Engineer with some Project Management experience Infrastructure/Application SRE with a good understanding of Trade Flow and some Project Management experience An individual who has worked their way up to Management within Production More ❯