performance tuning, code reviews, and troubleshooting production issues Document system architecture, design decisions, and development processes What we want from you Strong hands-on experience with Core Java and multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributed systems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
earning potential. Location/WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python) You have commercial Rust development experience You have experience of working on high throughput, low latency trading systems You achieved a 2.1 or More ❯
outside regular working hours. Ensure compliance with internal policies and regulatory requirements, including financial crime prevention and mandatory training. Required Skills & Experience Technical Expertise Strong proficiency in Java , including: Multithreading Low latency techniques Garbage collection optimization Performance monitoring and metrics design Solid understanding of Linux/UNIX operating systems Experience with real-time, mission-critical systems Familiarity with networking tools More ❯
FinTech, capital markets, or trading/risk platforms. Familiarity with Git, Azure DevOps, and CI/CD pipelines. Experience optimizing performance in large, complex codebases. Exposure to distributed systems, multithreading, or high-frequency data processing. Compensation & Benefits Competitive compensation, bonus, and benefits package. Hybrid work model with flexible arrangements and work-life balance What we offer Work on cutting-edge More ❯
and code reviews Strong programming knowledge of C++ (and C#, Java or Ada) Previous experience within product design and development with hopefully experience in one of the following: HMI, multithreaded, distributed systems, C2 or simulation & modelling Configuration Control & CI/CD Agile development TD & Automated Testing Software, Aerospace and Defence standards knowledge is desirable - e.g. DO178C, DefStan, MISRA If you More ❯
Senior & Lead) to design and implement ultra-low-latency trading systems within a fast-paced equities technology environment. Key Skills & Experience: Strong C++ (11/17/20+) with Multithreading & asynchronous programming. Deep knowledge of Linux internals & networking . Experience with low-latency, Real Time trading systems . Background in equities trading/execution algorithms . Familiarity with Python for More ❯
trading team on all matters C++ and will have autonomy to shape tech architecture with modern tools. Requirements: - Excellent C++ programming skills, ideally using a modern version - Expertise with multithreaded systems - Some level of experience with Python - Experience working with systems processing high volumes of data (terra or petabyte-scale) - Extensive expertise with at least ONE of: HFT, prop trading More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
IT Search & Select
WinForms in a commercial or enterprise setting Bonus points for exposure to C++ , Rust , or Python in high-performance environments A strong grasp of software engineering fundamentals: design patterns, multithreading, memory management Ability to thrive in fast-paced, high-stakes environments with minimal supervision Why Join Us Work at the cutting edge of financial technology Engage with global investment banks More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
WFH: You'll be based in the London office and have flexibility to work from home once a week. About you: You have a deep knowledge of Java including multithreading You have team leadership experience, including technical project leadership, code reviews, 1-2-1s, developing others You have experience in a Capital Markets environment, FX preferred You have a More ❯
Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products More ❯
degree (Masters or PhD) in Science, Maths, Engineering, Geology or Computing to apply.We're looking for 5+ years hands-on experience using C++, ideally with the Qt framework and Multithreading, extending to Data Structures, Algorithms and alike.The key desirable skill is C#/WPF/MVVM development working with GUI's, along with Continuous Integration experience.GPU Development would be beneficial More ❯
Masters or PhD) in Science, Maths, Engineering, Geology or Computing to apply.We're looking for 5+ years hands-on experience using C++ and GUI Development using Qt framework and Multithreading/Parallel Programming.You should have worked with 3D graphics and GIS development toolkits, 2D/3D Geometrical modelling experience and scripting of mathematical or geological problems.Experience in seismic processing, fracture More ❯
will be looking at PnL reporting tool OR API's across the bank Banking not necessary but an advantage. If not banking then massive organisations. Anyone with PnL explain, multithreading, large data models will be good Tech Skills C# Angular AG Grid Jenkins (Devops of some sort) SQL Server Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as More ❯
include: Bonus scheme to 12% Enhanced pension Health insurance Death in service What Experience do I need? Solid experience with both C++ and Rust Experience with web sockets and multithreaded applications would be preferred Experience of, or the ability to work closely with users Experience of working within smaller teams/companies requiring flexibility and agility is preferred Any experience More ❯
C++ (and ideally C or Fortran). - Further experience with C# (including WinForms, WPF, QML Frameworks) would be desirable. - Strong numeracy and understanding of mathematical modelling. - Experience with CUDA, multithreading, AI/ML would be advantageous. - Any exposure to 3D/2D graphics development (OpenGL, Vulkan) would be beneficial. The company offers an excellent remunerations package including annual bonus and More ❯
Engineering Workflow Management (RTC/EWM) is advantageous, particularly in configuration and change control environments. Exposure to CUDA for parallel computing and GPU acceleration would be beneficial. Desirable Skills: Multithreaded Architecture: Proven ability to design and optimise concurrent systems for performance and reliability. Defence Domain Familiarity: Prior exposure to missile systems, avionics, or military-grade software environments. Security-Centric Development More ❯
Engineering Workflow Management (RTC/EWM) is advantageous, particularly in configuration and change control environments. Exposure to CUDA for parallel computing and GPU acceleration would be beneficial. Desirable Skills: Multithreaded Architecture: Proven ability to design and optimise concurrent systems for performance and reliability. Defence Domain Familiarity: Prior exposure to missile systems, avionics, or military-grade software environments. Security-Centric Development More ❯
Engineering Workflow Management (RTC/EWM) is advantageous, particularly in configuration and change control environments. Exposure to CUDA for parallel computing and GPU acceleration would be beneficial. Desirable Skills: Multithreaded Architecture: Proven ability to design and optimise concurrent systems for performance and reliability. Defence Domain Familiarity: Prior exposure to missile systems, avionics, or military-grade software environments. Security-Centric Development More ❯
Engineering Workflow Management (RTC/EWM) is advantageous, particularly in configuration and change control environments. Exposure to CUDA for parallel computing and GPU acceleration would be beneficial. Desirable Skills: Multithreaded Architecture: Proven ability to design and optimise concurrent systems for performance and reliability. Defence Domain Familiarity: Prior exposure to missile systems, avionics, or military-grade software environments. Security-Centric Development More ❯
MongoDB's mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Run-Time Group Ltd
Job Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a More ❯
london, south east england, united kingdom Hybrid / WFH Options
Run-Time Group Ltd
Job Title: Mid-Senior Java Engineer Location:London (Hybrid - 2-3 days in-office) Salary:Up to £85,000 per annum + Benefits Sector:Financial Services About the Role: We are seeking aSenior-Level Java Engineerto join a dynamic financial More ❯
south west london, south east england, united kingdom Hybrid / WFH Options
Run-Time Group Ltd
Job Title: Mid-Senior Java Engineer Location:London (Hybrid - 2-3 days in-office) Salary:Up to £85,000 per annum + Benefits Sector:Financial Services About the Role: We are seeking aSenior-Level Java Engineerto join a dynamic financial More ❯
guildford, south east england, united kingdom Hybrid / WFH Options
Propel
contractors, M&E specialists, and large subcontractors across the UK. What You’ll Do Build and run targeted outbound campaigns into priority accounts (territory/account mapping, sequencing, multithreading). Create compelling, value-led messaging that ties the platform to compliance, productivity, and profitability outcomes. Qualify inbound interest, run discovery, and book high-quality meetings/demos for AEs. Collaborate More ❯
Staines-Upon-Thames, England, United Kingdom Hybrid / WFH Options
Propel
contractors, M&E specialists, and large subcontractors across the UK. What You’ll Do Build and run targeted outbound campaigns into priority accounts (territory/account mapping, sequencing, multithreading). Create compelling, value-led messaging that ties the platform to compliance, productivity, and profitability outcomes. Qualify inbound interest, run discovery, and book high-quality meetings/demos for AEs. Collaborate More ❯