Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered More ❯
are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Oliver Bernard
are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding More ❯
powering institutional trading. What You’ll Do: Build scalable, high-performance trading services using Python and SQL Develop and maintain OMS and exchange connectivity systems Apply best practices in multithreading, network programming, and performance tuning Collaborate across teams to improve system reliability and efficiency Contribute to architecture and system design in a fast-paced environment What You’ll Bring: Strong … Python and SQL experience Experience with low-latency, high-throughput systems (trading, fintech, or real-time applications) Familiarity with multithreading, network programming, and performance optimization Understanding of algorithms, data structures, and distributed systems Experience in trading systems or financial infrastructure is a plus, but blockchain/crypto experience is not required Passion for building high-quality, well-tested software Why More ❯
powering institutional trading. What You’ll Do: Build scalable, high-performance trading services using Python and SQL Develop and maintain OMS and exchange connectivity systems Apply best practices in multithreading, network programming, and performance tuning Collaborate across teams to improve system reliability and efficiency Contribute to architecture and system design in a fast-paced environment What You’ll Bring: Strong … Python and SQL experience Experience with low-latency, high-throughput systems (trading, fintech, or real-time applications) Familiarity with multithreading, network programming, and performance optimization Understanding of algorithms, data structures, and distributed systems Experience in trading systems or financial infrastructure is a plus, but blockchain/crypto experience is not required Passion for building high-quality, well-tested software Why More ❯
Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to More ❯
Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to More ❯
Rust Developer | Crypto/Blockchain Trading Technology Location: London, UK - 5 days a week in office required Package: Base + Profit Sharing Bonus + Equity We are working closely with a profitable, venture backed crypto tech company based in London More ❯
To be published on job boards from below onwards... If you need support in completing the application or if you require a different format of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office More ❯
Senior Java Software Engineer Watford/Hybrid Salary - £70,000 - £80,000 + Excellent benefits We’re looking for a talented Senior Java Engineer with a passion for clean code, elegant architecture, and efficient delivery. This is a hands-on More ❯
Duration of assignment: 1 year (potential prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading More ❯
HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all More ❯
HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all More ❯
Duration of assignment: 1 year (potential prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Hunter Bond
Job title: Software Engineer (C++, Python, Java or Rust) Client: Scientific Quant Fund Salary: £150,000 - £500,000 Base (+ Bonus) Location: London/Hybrid My client are seeking a talented Software Engineer who will play a critical role in More ❯
Greater London, England, United Kingdom Hybrid/Remote Options
Hunter Bond
Job Title: Java Software Engineer Client: Elite Systematic Trading Firm Salary: Up to £175,000 Base (+ Bonus) Location: London/Hybrid The role: My client is looking for an experienced Java Software Engineer to join their rapidly expanding technology More ❯
Job title: Software Engineer (C++, Python, Java or Rust) Client: Scientific Quant Fund Salary: £150,000 - £500,000 Base (+ Bonus) Location: London/Hybrid My client are seeking a talented Software Engineer who will play a critical role in More ❯
C++ Low Latency Developer | Buy-Side | Relocation to APAC - Singapore/HK A leading buy-side firm is seeking a C++ Low Latency Developer to join its fast-paced trading environment. The ideal candidate will have strong experience developing high More ❯
C++ Software Engineer London | Hybrid (2-3 days per week) | Competitive salary + bonus Ncounter is partnering with a leading trading technology group to hire an exceptional C++ Software Engineer to build and evolve high-performance order gateway systems used More ❯
show you the ropes. You should use SOLID design principles in your day-to-day work, and you should ideally be familiar with LINQ, design patterns, data access patterns, multithreaded applications, Web API's and advanced SQL amongst others. You will be responsible for developing high-quality applications. You will design and implement testable and scalable code. This is a … be considered then apply quoting reference (phone number removed) .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's, SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's … SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's, SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's, SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico More ❯
Bristol, Woodhouse Down, Gloucestershire, United Kingdom
Hunter Selection
show you the ropes. You should use SOLID design principles in your day-to-day work, and you should ideally be familiar with LINQ, design patterns, data access patterns, multithreaded applications, Web API's and advanced SQL amongst others. You will be responsible for developing high-quality applications. You will design and implement testable and scalable code. This is a … be considered then apply quoting reference (phone number removed) .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's, SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's … SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's, SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico, Sitecore, SOLID, DRY, Agile, API, SOAP, Restful, LINQ, design patterns, data access patterns, multithreaded applications, Web API's, SQL, .Net, dotnet, ASP.Net, MVC, CMS, Umbraco, Kentico More ❯
Bristol, Avon, England, United Kingdom Hybrid/Remote Options
ARCA Resourcing Ltd
performance software and modern infrastructure while working in a collaborative, fast-paced environment. Key Responsibilities Develop, enhance, and maintain robust software solutions for mission-critical systems. Design and implement multithreaded C++ applications for data processing. Script tools and automation in Python to improve system workflows. Integrate software with diverse hardware and networked systems. Troubleshoot and resolve issues in real-time … production environments. Collaborate across multidisciplinary teams to deliver high-quality, scalable solutions. Essential Experience 2+ years working with Linux and command-line interfaces. Strong C++ programming experience, including multithreading for data processing. Solid understanding of networking, including Ethernet protocols. Python proficiency for scripting and developing applications/tools. Experience with DevOps pipelines for building and deploying software. Familiarity with Kubernetes More ❯
Greater London, England, United Kingdom Hybrid/Remote Options
Hunter Bond
complex, mission-critical challenges , delivering robust, scalable solutions using Core Java . 🔧 What You’ll Be Doing 🧩 Develop high-performance systems in Java for real-time trading applications 🔄 Optimize multithreading, concurrency, and throughput for maximum efficiency 🧼 Write clean, maintainable, and well-tested code 🤝 Work closely with engineers and stakeholders in a collaborative, agile environment ✅ What You’ll Bring 🎓 Degree in … Computer Science, Software Engineering, Mathematics , or related STEM field 💻 Strong experience in Java development with a performance-first mindset ⚡ Solid understanding of multithreading, concurrency, and system optimization 🛠 Commitment to high-quality code and engineering best practices 🌟 Why This Role Stands Out 💻 Engineering-First Culture: Work with modern tools and open-source technologies 🚀 Fast-Paced Environment: Learn from industry leaders while More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer, .NET 9, C# - Break Into Banking - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Are you stuck in a catch 22 situation i.e. want to get into the financial services arena but your lack of experience within the industry is preventing you … that encompasses some or all of the following (full training will be provided to fill any gaps in your skill set): .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and Azure SQL. No previous banking experience is required. This is a once in a lifetime opportunity to get involved in one More ❯
Lincoln, Lincolnshire, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer - Global Phenomenon - Lincoln (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … of: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their More ❯