City of London, Greater London, UK Hybrid / WFH Options
Techfellow Limited
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 ❯
City of London, Greater London, UK Hybrid / WFH Options
Krebar International
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 ❯
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 ❯
City of London, Greater London, UK Hybrid / WFH Options
Pinepeak
impacted stakeholders in the financial sector and other industries with reliable data and actionable intelligence. The role: We are looking for a versatile Software Engineer to lead the build-out of our customer-facing products and technology stack. This role focuses on developing, integrating, and deploying core SaaS and … iterating on features based on user feedback, performance metrics, and strategic priorities This role is for you if you are a mission-driven software engineer with a track record of developing software products in fast-paced environments and are eager to make a lasting impact on society by shaping More ❯
City of London, Greater London, UK Hybrid / WFH Options
Mondrian Alpha
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 ❯
City of London, Greater London, UK 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 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 ❯
Application Support Engineer – Data, Cloud & Customer Operations Location: London – 4 days per week Type: Full-Time I'm currently working with a fast-scaling SaaS business that works in the marketing analytics industry. They’ve won multiple industry awards and are now expanding globally. If you are an Application More ❯
My client, a leading electronic trading firm, is seeking an elite application support engineer 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 applications within a More ❯
Distributed Computing Application Engineer - Systematic Hedge Fund - London Our client, a leading systematic hedge fund, is seeking a Distributed Computing Application Engineer to join their London-based team. This role involves collaborating across multiple business units to architect and optimise large-scale, compute-intensive work flows spanning global … computing solutions to enhance performance and scalability in complex environments. Key Responsibilities: Partner with business teams to embed distributed computing into core workflows. Optimise applications for high performance on distributed platforms. Provide architectural and technical leadership in the design and development of distributed systems. Design, implement, and manage distributed More ❯
City of London, Greater London, UK Hybrid / WFH Options
Hawksworth
Position: Technical Support Engineer (PHP-based application) Company: Global Software company - DevOps/version control/Security Salary: 50k-55k GBP Fully remote Do you have experience supporting and troubleshooting PHP-based applications, such as Zend Framework, across Linux and Windows environments Our client are the most impressive … company.....that you may never have heard of....even NASA use some of their software, the list goes on! We are seeking a Senior Technical Support Engineer with expertise supporting the PHP-based application, Zend Framework. In this role you will provide technical support for our client's environment, working on More ❯
Position: Technical Support Engineer (PHP-based application) Company: Global Software company - DevOps/version control/Security Salary: 50k-55k GBP Fully remote Do you have experience supporting and troubleshooting PHP-based applications, such as Zend Framework, across Linux and Windows environments Our client are the most impressive … company.....that you may never have heard of....even NASA use some of their software, the list goes on! We are seeking a Senior Technical Support Engineer with expertise supporting the PHP-based application, Zend Framework. In this role you will provide technical support for our client's environment, working on More ❯
My client, a leading multi-strategy hedge fund, is seeking an elite application support engineer 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 applications within a financial More ❯
Senior Application Security Engineer Salary: up to £100,000 + bonus + benefits Location: UK – Remote This company is scaling its security function and is hiring Senior Application Security Engineers to help embed secure development practices across its engineering teams. You’ll play a hands-on role in identifying … individuals who thrive in varied, fast-paced environments and enjoys taking ownership of deep technical security challenges. Responsibilities: Proactively identify and fix vulnerabilities across applications, including submitting secure code changes via pull requests. Conduct secure code reviews and provide clear remediation guidance to engineering teams. Embed automated security checks More ❯
ASIC Design Engineer Can hire in most UK locations!! I am looking for an experienced ASIC Design Engineer with a strong passion for mathematical rigor to join a dynamic team. As an ASIC Design Engineer, you will have a pivotal role in developing digital hardware, leveraging expertise More ❯
