1 to 25 of 44 Part-Time Performance Optimisation Jobs in the UK

Collaborate with Authoritys testing team to perform functional and user acceptance testing before deployment to live environments. Ensure data accuracy and consistency across multiple frameworks and reporting layers. Apply performance optimisation techniques such as query tuning, model restructuring, and indexing for faster report generation. Implement security and access controls aligned with MoDs OFFICIALSENSITIVE classification standards. Support root cause … Framework Manager, Report Studio, Query Studio, and Transformer. Strong SQL proficiency (Oracle or SQL Server). Understanding of data warehousing, ETL processes, and relational modelling. Demonstrated experience in report optimisation and performance tuning. Experience delivering secure reporting solutions within government or regulated sectors. Strong communication skills with the ability to liaise with both technical and non-technical stakeholders. More ❯

health visualization, config UIs). Integrate AI/ML-driven features into the UI to enable predictive or contextual automation suggestions. Own front-end CI/CD best practices, performance optimization, and automated testing. Provide technical leadership and mentorship to UI developers working on LCP modules. Qualifications Required: 5+ years experience in modern front-end engineering with expert-level More ❯

AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes). Familiarity with DevOps practices and tools for continuous integration and deployment. Solid understanding of system design principles, scalability, and performance optimization. Acxiom is a customer intelligence company that provides data-driven solutions to enable the worlds best marketers to better understand their customers to create better experiences and business More ❯

AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes). Familiarity with DevOps practices and tools for continuous integration and deployment. Solid understanding of system design principles, scalability, and performance optimization. Acxiom is a customer intelligence company that provides data-driven solutions to enable the worlds best marketers to better understand their customers to create better experiences and business More ❯

client is a forward-thinking global firm thats redefining the future of finance through technology. They are looking for a Front-End React Engineer whos passionate about clean design, performance, and scalability, someone who thrives on combining creativity with technical precision. The Opportunity Youll join a dynamic development team, responsible for building the tools, platforms, and applications that empower … Apollo Client , and GraphQL/REST APIs . Experience working in a cloud-native environment ( AWS or Azure ). Familiarity with data streaming (WebSockets, chunked responses) and front-end performance optimisation . Strong understanding of testing frameworks (unit, integration, E2E) - Playwright experience a plus. Bonus points for knowledge of Material UI or other design systems, and data visualisation More ❯

. Collaborate with designers and stakeholders to deliver clean, responsive, and user-friendly interfaces. Implement new functionality, integrations, and plugins to improve system capabilities. Contribute to backend improvements and performance optimisation. Participate in code reviews, testing, and documentation. Learn and contribute to projects involving mobile and modern web technologies (training and mentoring provided). Requirements Proven experience in PHP More ❯

CloudWatch AWS SDKs, Boto3, and serverless architecture patterns Strong programming skills in Python and Apache Spark Proven experience in Snowflake data engineering, including: Snowflake SQL, Snowpipe, Streams & Tasks, and performance optimization Integration with AWS services and orchestration tools Expertise in data integration patterns, ETL/ELT, and data pipeline orchestration Experience with data quality frameworks, metadata management, and data More ❯

JavaScript) and ability to work full-stack when required. Ability to write clear, maintainable and well-documented code. Desired skills: Experience managing hosting environments and deployment workflows. Knowledge of performance optimisation and caching strategies. Familiarity with Composer and modern PHP development practices. Experience with e-commerce functionality within Craft Commerce. What youll be expected to do: Develop and … custom plugins and integrations with external APIs and services. Collaborate with project managers, designers, and front-end developers to deliver technically sound solutions. Support and troubleshoot existing sites, identifying performance, security or architectural improvements. Contribute to the evolution of our development processes and best practices. Participate in internal reviews, team discussions and (virtual) social events. More ❯

internal stakeholders, engineering teams, and external technology partners to align designs with business objectives and industry standards. Delivery Deliver scalable and secure 5G/Open RAN solutions that meet performance, reliability, and compliance standards. Provide architecture documentation, design specifications, and technical recommendations to support deployment and operational teams. Ensure integration of multi-vendor components is robust, optimised, and interoperable … across the full RAN stack. Conduct RF planning, system modelling, and performance analysis to optimise coverage, capacity, and quality of service. Translate complex technical designs into practical solutions that enable efficient deployment and long-term maintainability. Role Expertise In-depth knowledge of wireless network architecture, particularly 5G SA, Open RAN, and vRAN/xRAN technologies. Strong expertise in cloud … standardised frameworks. Proficiency in evaluating fronthaul/midhaul/backhaul interfaces, with practical experience in O-RAN Split 7.2x. Hands-on skills in RF planning, propagation modelling, and system performance optimisation using industry-standard tools. Strong problem-solving, stakeholder management, and communication skills, with the ability to lead technical discussions and influence design decisions. Prior experience in advanced More ❯

of software engineering experience, including 2+ years in a technical leadership or management role Strong knowledge of modern frontend technologies (React, TypeScript, Next.js, etc.) Solid understanding of frontend architecture, performance optimisation, and clean code principles Experience with CI/CD pipelines and cloud environments (AWS/Kubernetes) Background in mentoring and developing engineers, fostering a culture of quality More ❯

Tools: Visual Studio 2019 VxWorks IBM DOORS Azure DevOps Git Essential Skills and Qualifications: Strong programming expertise in C++14, with extensive experience using Visual Studio for development, debugging, and performance optimisation. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. More ❯

mobile applications using Flutter . Build responsive, intuitive features for Android and/or iOS platforms. Collaborate with designers, product managers, and stakeholders to deliver user-centric solutions. Troubleshoot performance issues and ensure app stability. Participate in code reviews and contribute to testing strategies. Stay current with mobile development trends and share insights with the team. What Were Looking … Flutter experience is essential Hands-on experience with Android or iOS Familiarity with Azure and .NET is a nice to have Strong understanding of mobile UI/UX and performance optimisation Proficiency in Git/TFS and DevOps tools Excellent communication and problem-solving skills Agile experience preferred Must be eligible for UK Security Clearance (SC More ❯

the following technical areas: -Python (incl. FastAPI and/or Django) and other backend languages (Rust, Ruby, Go etc.) -Frontend (React, Typescript) -APIs (design, development and standards) -Database (design, performance optimisation and for scale) -Infrastructure (CI/CD pipelines, cloud) The company requires you to work in their office 3-days a week and cannot offer sponsorship. This More ❯

the following technical areas: -Python (incl. FastAPI and/or Django) and other backend languages (Rust, Ruby, Go etc.) -Frontend (React, Typescript) -APIs (design, development and standards) -Database (design, performance optimisation and for scale) -Infrastructure (CI/CD pipelines, cloud) The company requires you to work in their office 3-days a week and cannot offer sponsorship. This More ❯

maintain data pipelines for various teams. Produce automated dashboards for Senior Management and teams including Marketing, Business Development, Commercial, and Delivery. Maintain and optimise existing internal data products, including: Performance optimisation of DAX formulas Improved cloud compute usage Addition of actionable insights Conduct independent research and translate technical documentation into practical solutions. Present insights and solutions clearly to More ❯

AWS Bedrock, SageMaker, or GCP Vertex AI to deliver scalable cloud-based systems. Implementing strong MLOps and LLMOps practices - from CI/CD and model monitoring to cost and performance optimisation. Partnering with Data Engineers to ensure the pipelines and data structures feeding the models are robust and scalable. Keeping an eye on what's next - new GenAI frameworks More ❯

AWS Bedrock, SageMaker, or GCP Vertex AI to deliver scalable cloud-based systems. Implementing strong MLOps and LLMOps practices - from CI/CD and model monitoring to cost and performance optimisation. Partnering with Data Engineers to ensure the pipelines and data structures feeding the models are robust and scalable. Keeping an eye on what's next - new GenAI frameworks More ❯

processes, including data warehouse and cloud infrastructure. Experience with multi-dimensional design, star schemas, facts and dimensions. Experience and demonstrated competencies in ETL development techniques. Experience in data warehouse performance optimization. Experience on projects across a variety of industry sectors an advantage, Comprehensive understanding of data management best practices including demonstrated experience with data profiling, sourcing, and cleansing routines More ❯

Strong commercial experience with Node.js and TypeScript Proven background in refactoring and rebuilding existing applications Experience designing and implementing GraphQL APIs Solid understanding of backend architecture, modular design, and performance optimisation Hands-on experience with data integration and API-driven systems Ability to work autonomously within a small, fast-paced engineering team Excellent communication and problem-solving skills … Key Responsibilities Refactor and rebuild core parts of the existing portal to improve maintainability and performance Implement a new GraphQL data layer to support the onboarding of new customers Integrate and render data for fleets of varying sizes, from small businesses to larger operators Collaborate with internal teams to ensure smooth data flow and system reliability Support potential related More ❯

environment setup) What youll bring: 3 years experience developing on Shopify/Shopify Plus Strong skills in Liquid, HTML, JavaScript Experience integrating APIs and third-party services Understanding of performance optimisation, accessibility (WCAG), and cross-browser testing Familiarity with CI/CD pipelines, GitHub, and modern theme build tools (Vite.js, Webpack) A collaborative mindset and confidence to guide More ❯

Translate business requirements into high-quality technical solutions following governance and best practice standards Lead integrations with other enterprise systems via APIs and middleware Ensure data integrity, security, and performance optimisation across Salesforce environments Support and mentor junior engineers, sharing knowledge and best practices Stay ahead of Salesforce innovations, driving continuous improvement and scalability What Youll Bring 5+ More ❯

technical excellence What Were Looking For 5+ years of commercial PHP experience Solid understanding of cloud infrastructure (preferably GCP) Experience with MySQL, NoSQL (Cassandra) Skilled in TDD , debugging, and performance optimisation Bonus points for Kubernetes experience Tech stack: PHP, nginx, RabbitMQ, Google Cloud Platform (GCP), custom frameworks (full training provided) Whats in It for You Alongside a fantastic … culture, modern office and regular company events, our partner offers: Up to 60,000 DOE + 10% personal performance bonus 28 days holiday (plus birthday off + length of service accrual) Free breakfast, lunch, drinks & snacks every day Gym, golf membership & onsite gym Onsite hairdresser, barista & cocktail bar Netflix & Spotify subscriptions BUPA Health & Dental care BUPA Peak Assessments Food More ❯

RAN systems across diverse deployment scenarios, working with multi-vendor components and cutting-edge frameworks like O-RAN Split 7.2x. From RF planning and system modelling to integration and performance optimisation, youll drive technical excellence across the full RAN stack. What you'll be doing: Architecting advanced wireless solutions (RU/DU/CU) for public and private … and integration of vRAN/xRAN technologies Collaborating with engineering teams and technology partners to align designs with business goals Delivering secure, scalable, and interoperable network solutions that meet performance and compliance standards What you'll bring: Deep expertise in 5G SA, Open RAN, and cloud-native RAN architecture Hands-on experience with Kubernetes, Docker, CNFs, and orchestration tools More ❯

You will design and optimise internal database structures, develop ETL processes, and integrate data from multiple internal and external sources. Working closely with analysts, you will ensure data quality, performance, and accessibility, enabling the business to leverage analytics effectively. This role will suit someone with strong technical and interpersonal skills who enjoys collaboration and problem-solving. You will work … directly to the companys mission to build intelligent financial infrastructure. What you will bring: Proven experience managing MySQL databases within analytical or production environments Strong data modelling, ETL, and performance optimisation expertise Experience integrating diverse data sources and supporting analytics or BI teams Familiarity with Power BI or similar tools A collaborative, communicative, and proactive mindset Whats on More ❯

secure, and scalable. Working closely with the wider Data and Systems team you will ensure our systems enable success for our employees and customers. Oversee the architecture, integration, and performance optimisation of all core business systems including CRM, Finance, ITSM, Billing Engine(s) and HR Working with the Internal IT team to ensure business systems are supported, including More ❯