1 to 25 of 74 Remote Permanent Performance Optimisation Jobs

Full Stack Developer

Hiring Organisation
Waracle
Location
Glasgow, Scotland, United Kingdom
high-quality features from conception to delivery. The ideal candidate will leverage their dual proficiency to integrate robust APIs and ensure excellent code quality, performance optimisation, and adherence to technical standards. If you are a motivated problem-solver looking to deepen your skills in a collaborative environment … through clean code practices, adherence to project structures, and managing changes via Git branching and well-crafted Pull Requests (PRs). Technical Problem Solving & Optimisation: Effectively debug issues, propose robust solutions, apply fundamental design patterns (with guidance), and focus on performance optimisation and basic security implementation. Agile ...

Shopify Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £65000/annum
development projects from design through to delivery Provide technical leadership via architecture decisions, code reviews, and mentoring Ensure best practices across CI/CD, performance optimisation, security, and accessibility Collaborate with clients, Product Managers, and Business Analysts to align technical solutions with business goals Support, inspire, and develop … Developer, or similar role delivering complex Shopify projects Familiarity with modern theme build tools such as Vite.js or Webpack Strong understanding of scalable architecture, performance optimisation, and accessibility standards Experience with DevOps workflows, GitHub, and modern CI/CD pipelines Excellent communication and leadership skills Perks & Benefits Fully ...

Shopify Developer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
development projects from design through to delivery Provide technical leadership via architecture decisions, code reviews, and mentoring Ensure best practices across CI/CD, performance optimisation, security, and accessibility Collaborate with clients, Product Managers, and Business Analysts to align technical solutions with business goals Support, inspire, and develop … Developer, or similar role delivering complex Shopify projects Familiarity with modern theme build tools such as Vite.js or Webpack Strong understanding of scalable architecture, performance optimisation, and accessibility standards Experience with DevOps workflows, GitHub, and modern CI/CD pipelines Excellent communication and leadership skills Perks & Benefits Fully ...

Senior Backend Developer

Hiring Organisation
Waracle
Location
Glasgow, UK
Employment Type
Full-time
utilising your deep proficiency in C# and .NET. We're looking for someone who is ready to shape tactical direction , ensure robust security and performance , and champion best practices across the team. If you're passionate about introducing new ideas , coaching your peers , and making a tangible impact … Automation: Own and execute DevOps/CI/CD tasks, including setting up and maintaining pipelines and automation to streamline build, test, and deployment Performance Optimisation: Optimise service performance, scalability, and resilience through application-level improvements (e.g., query tuning, caching, threading, memory management). Security & Testing Strategy ...

Senior Backend Developer

Hiring Organisation
Waracle
Location
Paisley, Renfrewshire, UK
Employment Type
Full-time
utilising your deep proficiency in C# and .NET. We're looking for someone who is ready to shape tactical direction , ensure robust security and performance , and champion best practices across the team. If you're passionate about introducing new ideas , coaching your peers , and making a tangible impact … Automation: Own and execute DevOps/CI/CD tasks, including setting up and maintaining pipelines and automation to streamline build, test, and deployment Performance Optimisation: Optimise service performance, scalability, and resilience through application-level improvements (e.g., query tuning, caching, threading, memory management). Security & Testing Strategy ...

Senior Backend Developer

Hiring Organisation
Waracle
Location
Milton, West Dunbartonshire, UK
Employment Type
Full-time
utilising your deep proficiency in C# and .NET. We're looking for someone who is ready to shape tactical direction , ensure robust security and performance , and champion best practices across the team. If you're passionate about introducing new ideas , coaching your peers , and making a tangible impact … Automation: Own and execute DevOps/CI/CD tasks, including setting up and maintaining pipelines and automation to streamline build, test, and deployment Performance Optimisation: Optimise service performance, scalability, and resilience through application-level improvements (e.g., query tuning, caching, threading, memory management). Security & Testing Strategy ...

Software Development Engineer in Test (SDET)

Hiring Organisation
4Square Recruitment Ltd
Location
Leatherhead, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Full-time The Role We’re hiring a Software Development Engineer in Test (SDET) to design, build and maintain automation frameworks that ensure the performance, reliability, and stability of our applications. You’ll combine strong software engineering skills with a quality-led mindset to advance our automation strategy … analysis and continuous refinement of processes. Testing & Validation Write and execute automated and occasional manual test cases. Validate functional and non-functional behaviour, including performance and regression areas. Participate in code reviews with a focus on quality, performance and maintainability. Collaboration & Continuous Improvement Partner with engineering and product ...

Application Reliability and Performance Engineer - Reigate

Hiring Organisation
esure Group
Location
Reigate, Surrey, UK
Application Reliability and Performance Engineer Job Tenure: Full-time, permanentSalary: CompetitiveCompany Description Ready to join a team that's leading the way in reshaping the future of insurance? Here at esure Group, we are on a mission to revolutionise insurance for good! Want to apply Read all the information … experiences that meet our customers ever-changing needs today and in the future. Job Description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure ...

Full Stack Developer - Python, Java or .Net

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
with TDD and writing automated tests before coding. Nice-to-Have Skills Experience in healthcare or public sector projects. Knowledge of monitoring tools and performance optimisation. Familiarity with microservices architecture. What you'll get in return Flexible working options available. What you need ...

Senior Software Engineer

Hiring Organisation
Beamost Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What Youll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput, and reliability ...

Senior Software Engineer

Hiring Organisation
Cathcart Technology
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
join. You'd be joining one of their core teams, working on foundational engineering and helping to improve the underlying frameworks, tooling, and performance that enable the company to deliver a world-class customer experience. This team has a big focus this year, with several major initiatives planned around … performance optimisation , scalability, and mobile innovation - so there's plenty of interesting and challenging work ahead. You'll be working closely with both React Native and native iOS codebases , building and optimising select iOS components while enhancing the overall mobile platform performance. There's a real opportunity here ...

Website Developer

Hiring Organisation
Office for Legal Complaints (OLC) / Legal Ombudsman
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£40,000
broader digital transformation strategy. In this position, you will ensure that the website is up-to-date, functional, and optimised for both performance and security, providing an excellent user experience. Beyond your primary responsibilities Leo will offer you training on Microsofts Power Platform, gaining the Skills and expertise … seasoned web developer eager to expand their skillset by working with cutting-edge Microsoft technologies while contributing to the ongoing growth and optimisation of LeOs digital infrastructure. Key Responsibilities Umbraco Website Development and Maintenance Maintain and enhance the Legal Ombudsmans Umbraco-powered website. Implement updates, troubleshoot issues, and optimise ...

Staff Software Engineer - Go, Typescript, Python, .NET, Cloud

Hiring Organisation
We Are Dcoded Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
standards across the business. What You'll Be Doing Acting as a technical leader within the engineering organisation, driving best practice across design, quality, performance, and security Playing a key role in the architecture and build of a new version of a complex B2B fintech platform Partnering closely with … .NET Frontend: React.js Cloud & Platform: Modern cloud-native technologies (AWS/Azure/GCP), microservices, APIs Engineering Practices: CI/CD, automated testing, observability, performance optimisation Architecture: Distributed systems, scalable SaaS platforms, fintech or regulated environments (beneficial) What We're Looking For Proven experience operating at Staff/ ...

Java Backend Developer with AWS (Onsite/Hybrid)

Hiring Organisation
Zibal Technologies
Location
Plano, Texas, United States
Employment Type
Any
Salary
USD Annual
Solid experience with CI/CD pipelines (Jenkins, GitLab, GitHub Actions, etc.). Knowledge of Docker and Kubernetes (preferred). Strong troubleshooting, debugging, and performance optimization skills. Enthusiastic about working with emerging technologies and AI-driven tools. ...

Senior Software Developer

Hiring Organisation
Oscar Technology
Location
Warwickshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
design, development, and enhancement of their core software products. You'll work across the full software development lifecycle, building robust, scalable, and high-performance systems using C#, .NET, SQL, and Azure. As a senior member of the team, you'll take technical ownership of key projects, contribute to architectural … decisions, and help shape best practices around clean code, performance optimisation, and CI/CD. While this is a hands-on coding role, you'll also act as a mentor to mid-level and junior developers/Including code reviews, encouraging modern development approaches and helping to upskill ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
resonsible for designing, building, and maintaining scalable applications. You'll work across the full Microsoft Technology stack, contributing to both new feature development and performance optimisation of existing systems. Key Responsibilities: Design, develop, and maintain robust software components for their EPOS platform using C#, .NET 6/… ASP.NET Core . Build and integrate RESTful APIs , microservices , and backend services that ensure high performance and scalability. Work closely with UI/UX designers , QA engineers , and product managers to deliver high-quality releases on schedule. Participate in code reviews , sprint planning , and architecture discussions . Optimise database ...

DevOps Team Lead

Hiring Organisation
Sky
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Cloud Engineering Lead

Hiring Organisation
Sky
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Lead Cloud Engineer

Hiring Organisation
Sky
Location
England, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Lead Cloud Systems Engineer

Hiring Organisation
Sky
Location
Southall, Middlesex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Lead Cloud Operations Engineer

Hiring Organisation
Sky
Location
Southall, Middlesex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Cloud Technology Lead

Hiring Organisation
Sky
Location
Purley, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Cloud Infrastructure Team Lead

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Cloud Engineering Team Lead

Hiring Organisation
Sky
Location
TW75QD, Syon, Greater London, United Kingdom
Employment Type
Permanent
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

React JavaScript Developer

Hiring Organisation
Proactive Appointments
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 80,000 Annual
Gateway, Lambda, SQS, RDS, and related services) Knowledge of CI/CD pipelines, Git, and Docker Strong grasp of secure coding practices and performance optimisation Excellent problem-solving and collaboration skills in a remote-first environment React JavaScript Developer - Remote Due to the volume of applications received ...