576 to 600 of 837 Permanent Performance Tuning Jobs

London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces for some of the most demanding users in finance. What You’ll Be Doing: Building high-performance, data-intensive … engineering excellence and code quality are non-negotiable Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real-time trading decisions Work in a flat-structured, engineering-led environment with rapid decision More ❯

London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces for some of the most demanding users in finance. What You’ll Be Doing: Building high-performance, data-intensive … engineering excellence and code quality are non-negotiable Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real-time trading decisions Work in a flat-structured, engineering-led environment with rapid decision More ❯

e.g., Git) · Knowledge of Linux operating systems · Familiarity with REST APIs and integration techniques · Familiarity with data visualization tools and libraries (e.g., Power BI) · Background in database administration or performance tuning · Familiarity with data orchestration tools, such as Apache Airflow · Previous exposure to big data technologies (e.g., Hadoop, Spark) for large data processing More ❯

manage various applications Collaborate with engineering team and product team to establish best products Follow outlined standards of quality related to code and systems Develop automated tests and conduct performance tuning Qualifications Bachelor's degree in Computer Science or relevant field 4+ years of experience working with .NET or relevant experiences Experience developing web-based applications in C# More ❯

e.g., Git) · Knowledge of Linux operating systems · Familiarity with REST APIs and integration techniques · Familiarity with data visualization tools and libraries (e.g., Power BI) · Background in database administration or performance tuning · Familiarity with data orchestration tools, such as Apache Airflow · Previous exposure to big data technologies (e.g., Hadoop, Spark) for large data processing More ❯

e.g., Git) · Knowledge of Linux operating systems · Familiarity with REST APIs and integration techniques · Familiarity with data visualization tools and libraries (e.g., Power BI) · Background in database administration or performance tuning · Familiarity with data orchestration tools, such as Apache Airflow · Previous exposure to big data technologies (e.g., Hadoop, Spark) for large data processing More ❯

manage various applications Collaborate with engineering team and product team to establish best products Follow outlined standards of quality related to code and systems Develop automated tests and conduct performance tuning Qualifications Bachelor's degree in Computer Science or relevant field 4+ years of experience working with .NET or relevant experiences Experience developing web-based applications in C# More ❯

manage various applications Collaborate with engineering team and product team to establish best products Follow outlined standards of quality related to code and systems Develop automated tests and conduct performance tuning Qualifications Bachelor's degree in Computer Science or relevant field 4+ years of experience working with .NET or relevant experiences Experience developing web-based applications in C# More ❯

management, and member enrollment. Development experience within Unix AIX environments and proficiency with DB2 databases. COBOL expertise for maintaining and optimizing legacy systems. Solid understanding of embedded SQL, query performance tuning, and reporting practices. Proficient in Unix shell scripting and SQL programming. Familiarity with Visual Studio, Azure environments, and SQL Server a plus. Experience working with EDI formats More ❯

Strong server-side Java development experience Solid understanding of Java architecture and design patterns Excellent debugging and unit testing skills Experience in front-office environments Knowledge of multi-threading, performance tuning, and memory management Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day , inside IR35 Contract: Initial 6 months More ❯

Strong server-side Java development experience Solid understanding of Java architecture and design patterns Excellent debugging and unit testing skills Experience in front-office environments Knowledge of multi-threading, performance tuning, and memory management Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day , inside IR35 Contract: Initial 6 months More ❯

Strong server-side Java development experience Solid understanding of Java architecture and design patterns Excellent debugging and unit testing skills Experience in front-office environments Knowledge of multi-threading, performance tuning, and memory management Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day , inside IR35 Contract: Initial 6 months More ❯

Strong server-side Java development experience Solid understanding of Java architecture and design patterns Excellent debugging and unit testing skills Experience in front-office environments Knowledge of multi-threading, performance tuning, and memory management Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day , inside IR35 Contract: Initial 6 months More ❯

of experience in Java/JEE development Solid understanding of OOP and the ability to apply design patterns Experience with Spring Batch, Hibernate or other ORM frameworks Experience with performance tuning, load testing or query optimization Experience with advanced programming techniques such as multithreading, concurrency, reflections, AOP etc Experience withfront-end development using HTML, CSS and Javascript libraries More ❯

Strong server-side Java development experience Solid understanding of Java architecture and design patterns Excellent debugging and unit testing skills Experience in front-office environments Knowledge of multi-threading, performance tuning, and memory management Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day , inside IR35 Contract: Initial 6 months More ❯

Strong server-side Java development experience Solid understanding of Java architecture and design patterns Excellent debugging and unit testing skills Experience in front-office environments Knowledge of multi-threading, performance tuning, and memory management Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day , inside IR35 Contract: Initial 6 months More ❯

Systems, or Platform Engineering Deep knowledge of Linux, Python, and shell scripting Proven experience with Kubernetes, observability tooling, and CI/CD frameworks Strong grasp of distributed systems and performance tuning Trading, Crypto or Hedge Fund Experience Experience working in low-latency, high-frequency trading environments Why join: Work on high-impact systems that directly influence trading outcomes More ❯

Systems, or Platform Engineering Deep knowledge of Linux, Python, and shell scripting Proven experience with Kubernetes, observability tooling, and CI/CD frameworks Strong grasp of distributed systems and performance tuning Trading, Crypto or Hedge Fund Experience Experience working in low-latency, high-frequency trading environments Why join: Work on high-impact systems that directly influence trading outcomes More ❯

Systems, or Platform Engineering Deep knowledge of Linux, Python, and shell scripting Proven experience with Kubernetes, observability tooling, and CI/CD frameworks Strong grasp of distributed systems and performance tuning Trading, Crypto or Hedge Fund Experience Experience working in low-latency, high-frequency trading environments Why join: Work on high-impact systems that directly influence trading outcomes More ❯

Systems, or Platform Engineering Deep knowledge of Linux, Python, and shell scripting Proven experience with Kubernetes, observability tooling, and CI/CD frameworks Strong grasp of distributed systems and performance tuning Trading, Crypto or Hedge Fund Experience Experience working in low-latency, high-frequency trading environments Why join: Work on high-impact systems that directly influence trading outcomes More ❯

Systems, or Platform Engineering Deep knowledge of Linux, Python, and shell scripting Proven experience with Kubernetes, observability tooling, and CI/CD frameworks Strong grasp of distributed systems and performance tuning Trading, Crypto or Hedge Fund Experience Experience working in low-latency, high-frequency trading environments Why join: Work on high-impact systems that directly influence trading outcomes More ❯

Systems, or Platform Engineering Deep knowledge of Linux, Python, and shell scripting Proven experience with Kubernetes, observability tooling, and CI/CD frameworks Strong grasp of distributed systems and performance tuning Trading, Crypto or Hedge Fund Experience Experience working in low-latency, high-frequency trading environments Why join: Work on high-impact systems that directly influence trading outcomes More ❯

desktop applications. Design and implement distributed systems for async processing, ML workflows, and asset pipelines. Own authentication, billing, and subscription systems — ensuring reliability and seamless user experience. Drive observability, performance tuning, and deployment automation across the stack. Collaborate closely with product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of More ❯

desktop applications. Design and implement distributed systems for async processing, ML workflows, and asset pipelines. Own authentication, billing, and subscription systems — ensuring reliability and seamless user experience. Drive observability, performance tuning, and deployment automation across the stack. Collaborate closely with product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of More ❯

desktop applications. Design and implement distributed systems for async processing, ML workflows, and asset pipelines. Own authentication, billing, and subscription systems — ensuring reliability and seamless user experience. Drive observability, performance tuning, and deployment automation across the stack. Collaborate closely with product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of More ❯