energy security, boasting sub-50ms P95 and intra-system transit times with a P99 of under 6 milliseconds. Its core is deeply rooted in performanceengineering: every thread, every byte allocated, and every shred of memory not garbage collected on time is accounted for. This unique programming experience … cost and performance. Requirements Extensive Experience & Technical Mastery: 10+ years of professional software development experience, with a strong focus on architecting, optimizing, and delivering performance-critical systems. Deep expertise in Java, Scala and the JDK, leveraging the Java ecosystem for high-performance applications. Proficiency in Rust is a … bonus. Experience with NixOS is considered a huge plus. PerformanceEngineering Excellence: Proven ability to diagnose, profile, and optimize complex systems using advanced performance analysis tools and methodologies. Demonstrated experience in tuning multi-threaded and parallel computing environments, managing concurrency, and applying lock-free designs for efficient More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Arm Limited
Director of PerformanceEngineering Location: Cambridge or Manchester (Hybrid, 2 days/week in-office) Job Overview Arm seeks an experienced Director of PerformanceEngineering to lead technical strategy and execution for our Userspace, Java Enterprise, Android, and Optimization teams. Reporting to senior leadership, you'll … drive key initiatives focused on software performance, optimization, and architectural enhancements across Java-based enterprise applications, Android platforms and userspace environments. Key Responsibilities Provide clear technical leadership for a team of 60+ engineers with 4-5 direct technical leads, across multiple geographical locations. Define and drive architectural strategies, performance … with product management, quality assurance, and operational teams to ensure software aligns with business and technical objectives. Establish clear technical roadmaps and deliver measurable performance improvements. Essential Skills & Experience Proven experience leading large-scale Java Enterprise, Android and userspace software development and optimization. Strong recent coding background, specifically within More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
Brighton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
Woking, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
Reading, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
Bath, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
Bournemouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
Southampton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity … a proven track record of delivering enterprise-grade applications and services, with deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development More ❯
High Wycombe, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands … on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … will be responsible for setting the technical direction, improving engineering velocity and quality, establishing modern practices across the SDLC, and growing a high-performing team capable of building and maintaining complex, scalable systems. You must have a proven track record of delivering enterprise-grade applications and services, with deep More ❯
Portsmouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands … on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … will be responsible for setting the technical direction, improving engineering velocity and quality, establishing modern practices across the SDLC, and growing a high-performing team capable of building and maintaining complex, scalable systems. You must have a proven track record of delivering enterprise-grade applications and services, with deep More ❯
Watford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Category: Other - EU work permit required: Yes col-narrow-right Job Views: 17 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands … on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … will be responsible for setting the technical direction, improving engineering velocity and quality, establishing modern practices across the SDLC, and growing a high-performing team capable of building and maintaining complex, scalable systems. You must have a proven track record of delivering enterprise-grade applications and services, with deep More ❯
Hemel Hempstead, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands … on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … will be responsible for setting the technical direction, improving engineering velocity and quality, establishing modern practices across the SDLC, and growing a high-performing team capable of building and maintaining complex, scalable systems. You must have a proven track record of delivering enterprise-grade applications and services, with deep More ❯
Crawley, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Category: Other - EU work permit required: Yes col-narrow-right Job Views: 17 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands … on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … will be responsible for setting the technical direction, improving engineering velocity and quality, establishing modern practices across the SDLC, and growing a high-performing team capable of building and maintaining complex, scalable systems. You must have a proven track record of delivering enterprise-grade applications and services, with deep More ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Head of Engineering/System Development Manager - up to £70k base with great benefits Remote working with an office Glasgow We are looking for a strategic, hands … on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … will be responsible for setting the technical direction, improving engineering velocity and quality, establishing modern practices across the SDLC, and growing a high-performing team capable of building and maintaining complex, scalable systems. You must have a proven track record of delivering enterprise-grade applications and services, with deep More ❯
London, England, United Kingdom Hybrid / WFH Options
First State Bank - Michigan
Join Ten10 as a Senior Performance Test Consultant Day Rate: £500 (inside IR35) Location: London - Hybrid working + client travel Start Date: January 2025 At Ten10, we’re not just testing software—we’re redefining how businesses deliver it. As one of the UK’s leading independent consultancies in … Quality Engineering and Software Testing , we help companies release high-quality software faster and smarter. Now, we’re looking for a Senior Performance Test Consultant to join our team on an interim basis. If you love solving complex problems, collaborating with brilliant people, and staying ahead of the … curve in performanceengineering, we’d love to hear from you. Why Ten10? We’re proud to offer a vibrant and inclusive work environment, where your expertise is celebrated and your career goals are supported. Here’s why you’ll love working with us: Exciting Projects: Collaborate on More ❯
Bristol, England, United Kingdom Hybrid / WFH Options
So Energy
Full Stack Engineer at SO ENERGY Reporting into our Senior Development Manager, Sam Patmore , We are seeking Senior Fullstack Engineers to join our high-performance team led by our Director of Technology Muhammad Khan . who has a clear understanding of software engineering practices and agile development. Someone … can help in technical decisions, genuinely enjoys constructive technical debates, and can influence others to continuously improve. Our multi-disciplinary and culturally diverse, high-performanceengineering team cover the full stack from Kotlin backend microservices to frontend Vue.js and Typescript. As a senior engineer you will leverage your … Software Development Lifecycle to deliver value to SO Energy customers using agile processes supported by our in-house Data Analytics team. Join a High-performanceEngineering Team We are building a robust, performant, and scalable platform utilising a microservices architecture on Google Cloud. Our diverse tech stack features More ❯
Welwyn Garden City, England, United Kingdom Hybrid / WFH Options
Tesco Technology
on this job and more exclusive features. About the role We have an exciting opportunity for an experienced Database Engineer to join our systems engineering teams here at Tesco UK. As a Mainframe Systems Engineer you will be focused on DB2 Database Engineering your mission is to help … our team in creating next-level solutions that will improve the way our business and customer products performance and management. As an experienced Database Engineer you will have deep knowledge of database design, development will help meeting application teams standards and satisfying both business and functional requirements. Your expertise … and mission critical problems internally This position is for a DB2 Mainframe Database Engineer (MF zOS DB2 DBA ) is a member of the Database Engineering team in Infrastructure Engineering at Tesco PLC Ltd. You will be responsible for You will be responsible for mainframe DB2 database design, system More ❯
currency. If you're ready to shape the future of data security, Protegrity is the place for you. Join Our Team as a Principal Performance Engineer! Are you passionate about technology and eager to make a significant impact? We are looking for a talented Principal Performance Engineer to … join our dynamic team. In this role, you will play a crucial part in enhancing the performance of our Protegrity products and ensuring they meet the highest standards. Responsibilities: Collaborate closely with the Manager/Director of Product PerformanceEngineering and other team members to understand and … evaluate the performance of our products. Develop and enhance performance evaluation scopes, execute tests, and troubleshoot performance issues. Provide technical leadership and guidance to team members, fostering a supportive and inclusive environment. Engage with customers to understand and resolve performance issues, ensuring their satisfaction. Stay current More ❯
that that helps organisations get the most out of their software - we do this by providing our clients with pioneering and cutting-edge Quality Engineering and Agile/DevOps transformation services. We have been established since 2002, are headquartered in London and are fast-growing with great career opportunities … in the UK and India (Goa), Our projects range from digital transformation, DevOps implementation, test automation and performanceengineering for global clearing houses, healthcare trusts, Russell Group universities, global telco providers, retailers, finance houses, leading system integrators and Fintech companies. If you join Infuse, you will work across … to join our team. So, if you're a talented Test Environment Engineer who is excited by the opportunity to broaden and leverage your engineering skills to support the development of high-quality products, we want to hear from you! Position Overview We are seeking a highly skilled and More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Canonical
for global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is … company is founder led, profitable and growing. We are hiring a Lead Golang Software Engineer at any seniority level, who strives for the highest engineering quality, seeks improvements, continuously develops their skills, and applies them at work. This is an exciting opportunity to work with many popular software systems … integrations technologies, and exciting open-source solutions. The Commercial Systems unit is conceived as seven engineering teams that closely collaborate with other engineering and business teams at Canonical. Services designed, developed, and operated by the Commercial Systems unit are at the heart of Canonical business and Golang plays More ❯
London, England, United Kingdom Hybrid / WFH Options
Canonical
for global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is … company is founder led, profitable and growing. We are hiring a Lead Golang Software Engineer at any seniority level, who strives for the highest engineering quality, seeks improvements, continuously develops their skills, and applies them at work. This is an exciting opportunity to work with many popular software systems … integrations technologies, and exciting open-source solutions. The Commercial Systems unit is conceived as seven engineering teams that closely collaborate with other engineering and business teams at Canonical. Services designed, developed, and operated by the Commercial Systems unit are at the heart of Canonical business and Golang plays More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
EMBS Technology
Software Engineering Manager We’re working with a well-established SaaS business investing heavily in tech and product. They are seeking an experienced Engineering Manager to lead agile squads and help cultivate a high-performanceengineering culture. The Role: You will lead 1–5 squads, streamline … across squads. Tech Environment: The stack is mainly Microsoft-focused, including C# .NET, Azure , with some services on AWS . The teams follow modern engineering practices like CI/CD, automated testing, and cloud-native development. Responsibilities: Manage UK-based developers. Lead agile squads as a servant leader. Coach … on agile methods and engineering best practices. Own delivery outcomes, performance, and engagement. Improve workflows, speed, and software quality. Act as Release Train Engineer to align delivery. Collaborate with Product, QA, DevOps, and Architecture teams. Track KPIs related to deployment, quality, and cycle time. Promote SaaS security and More ❯