1 to 25 of 42 Applications Engineer Jobs in the City of London

scripting, and enterprise platforms - and want to drive smart automation across a global tech estate? A leading quantitative trading firm is expanding its Enterprise Applications team and looking for an adaptable engineer to help optimise, integrate, and extend key third-party tools. This hands-on role blends systems … and configuration changes using version control and infrastructure-as-code principles Develop reusable patterns for managing user access, automation, and data pipelines across SaaS applications Own documentation for integration, data handling, and process automation across the application landscape Ensure secure management of sensitive data within cloud-based and hybrid More ❯

scripting, and enterprise platforms - and want to drive smart automation across a global tech estate? A leading quantitative trading firm is expanding its Enterprise Applications team and looking for an adaptable engineer to help optimise, integrate, and extend key third-party tools. This hands-on role blends systems … and configuration changes using version control and infrastructure-as-code principles Develop reusable patterns for managing user access, automation, and data pipelines across SaaS applications Own documentation for integration, data handling, and process automation across the application landscape Ensure secure management of sensitive data within cloud-based and hybrid More ❯

Our firm is partnering with a global, product-led SaaS company to find an experienced Engineering Lead with deep expertise in Ruby on Rails . This company offers a remote-first environment and builds a visual content creation platform used More ❯

Our firm is partnering with a global, product-led SaaS company to find an experienced Engineering Lead with deep expertise in Ruby on Rails . This company offers a remote-first environment and builds a visual content creation platform used More ❯

nd Level Application Support Engineer 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 wider platform team you … concepts. Nice to understand Devops tools such Bamboo or Jenkins. Hands-on experience in support of a real-time trading environment. Knowledge of support applications that use high-performance messaging/middleware. Strong analytical, and verbal and written communication skills. Strong Knowledge of FIX protocol. Java, C#, C++ development More ❯

for reviewing, planning and monitoring incoming special design requirements and providing technical support and assistance both internally and externally. RESPONSIBILITIES Review all new customer applications for integration into our manufacturing process and create new custom designs that meet customer requirements Provide cost model to management and executive teams for … manufacturing Provide technical support to the sales force in the areas of product design, design improvements, customer support, production support and review of new applications Work with customers to resolve technical problems and make technical presentations with the Sales Engineers at target accounts Assist in the technical education of More ❯

Application Support Engineer - £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 More ❯

Platform Support Engineer - 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 … building out of DevOps methods and tools. Requirements: Experience in a similar Application Support 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 ❯

We're looking for a technically curious Application Support Engineer 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, and compliance analytics. This is a hands … L2 support 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 object-oriented More ❯

Cloud Application Security Engineer/Cloud Security Engineer - AWS/AppSec/IAM (Okta) Application Security Engineer/AWS Security Engineer/CloudSec Location: Hybrid London (2 days per week onsite) Ready to drive secure engineering at scale in a leading fintech? Were looking for a … Cloud Application Security Engineer to help shape and secure cutting-edge platforms. Youll work with DevOps and engineering teams to build secure-by-design solutions in AWS using tools like IAM, Okta, AWS Shield, and SAST/DAST. This is a high-impact role with a focus on AppSec More ❯

features. Direct message the job poster from Selby Jennings Consultant - Technology Infrastructure Recruitment Selby Jennings We're looking for a technically curious Application Support Engineer to join the Unified Platform Support team at a leading proprietary trading firm. You'll work closely with developers to support complex, high-performance … you the freedom to dig into issues - sometimes right down to the code. Key Responsibilities We're looking for a technically curious Application Support Engineer to join the Unified Platform Support team at a leading proprietary trading firm. You'll work closely with developers to support complex, high-performance … L2 support 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 More ❯

Web Application Support Engineer - 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 of automation and DevOps methods, client integration … and growing a technical support team around you. Requirements: Experience in a similar Application Support/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 (Linux More ❯

TieTalent City Of London, England, United Kingdom Join or sign in to find your next job Join to apply for the Junior Application Support Engineer role at TieTalent About Financial Services Firm is hiring for a Junior Application Support Engineer for their team based in London. This is … 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 “Application Support Engineer” roles by signing in. We’re innovating community knowledge sharing with insights contributed directly into articles, supported by AI. #J-18808-Ljbffr More ❯

Insight Global is hiring an Application Support Engineer 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/Application Support Full Stack Support experience - C#.net … 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 issues related … maintain AWS 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 ❯

Insight Global is hiring an Application Support Engineer 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/Application Support Full Stack Support experience - C#.net … 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 issues related … maintain AWS 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 ❯

Senior Application Support Engineer – 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 Application Support Engineer to join a high-impact, London-based team at the cutting edge of global markets. This … a high-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 using Python More ❯

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/Application support experience within a financial services company • Strong investigative skills, partnered with deep technical skills • Client … 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 ❯

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/Application support experience within a financial services company • Strong investigative skills, partnered with deep technical skills • Client … 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 ❯

Toucans based between London, Lisbon, Washington DC, and Sydney. Role Overview: We are seeking a highly experienced and motivated Lead Back-end Application Engineer to join our growing Engineering team. In this pivotal role, you will be responsible for designing, developing, and maintaining robust and scalable backend systems using … significant impact on our product and technical direction. Role Responsibilities: Lead the design, development, testing, and deployment of high-performance, scalable, and secure backend applications using PHP. Architect and optimize SQL databases (e.g., MySQL, Aurora) for performance, scalability, and data integrity. Mentor and guide a team of backend application … engineers, fostering their professional growth and ensuring adherence to coding standards and best practices. Collaborate closely with product managers, front-end applications engineers, and other stakeholders to translate business requirements into technical solutions. Conduct code reviews, ensuring code quality, maintainability, and adherence to architectural guidelines. Identify and resolve complex More ❯

Toucans based between London, Lisbon, Washington DC, and Sydney. Role Overview: We are seeking a highly experienced and motivated Lead Back-end Application Engineer to join our growing Engineering team. In this pivotal role, you will be responsible for designing, developing, and maintaining robust and scalable backend systems using … significant impact on our product and technical direction. Role Responsibilities: Lead the design, development, testing, and deployment of high-performance, scalable, and secure backend applications using PHP. Architect and optimize SQL databases (e.g., MySQL, Aurora) for performance, scalability, and data integrity. Mentor and guide a team of backend application … engineers, fostering their professional growth and ensuring adherence to coding standards and best practices. Collaborate closely with product managers, front-end applications engineers, and other stakeholders to translate business requirements into technical solutions. Conduct code reviews, ensuring code quality, maintainability, and adherence to architectural guidelines. Identify and resolve complex More ❯

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 Application Support Engineer to come in and aid their trading tech divisions, working with supporting traders and engineers get the most out of the apps and the platform, and work on improving and automating current applications. Stack: Python, Linux, AWS More ❯

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 Application Support Engineer to come in and aid their trading tech divisions, working with supporting traders and engineers get the most out of the apps and the platform, and work on improving and automating current applications. Stack: Python, Linux, AWS More ❯

who have an emphasis on technology, and hire the best engineers from big tech, start-ups and finance equally. The firm have a real engineer first culture, which makes this company a haven for talent. They are currently seeking to hire an Application Support/DevOps Engineer to … help onboard new applications, enhance and maintain existing apps, and to work closely with senior traders, researchers, and devs to buildout bespoke platforms and environments. Tech Stack: Python, PowerShell, AWS, Splunk Our client provides an exciting opportunity to not only harness a range of state-of-the-art technologies More ❯

who have an emphasis on technology, and hire the best engineers from big tech, start-ups and finance equally. The firm have a real engineer first culture, which makes this company a haven for talent. They are currently seeking to hire an Application Support/DevOps Engineer to … help onboard new applications, enhance and maintain existing apps, and to work closely with senior traders, researchers, and devs to buildout bespoke platforms and environments. Tech Stack: Python, PowerShell, AWS, Splunk Our client provides an exciting opportunity to not only harness a range of state-of-the-art technologies More ❯

Application Support Engineer – 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 Application Support Engineer to join a high-impact, London-based team at the cutting edge of global markets. This is … a high-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 using Python More ❯