155 design systems designer jobs found

This is an exciting contract opportunity for an experienced UI Designer to join a leading team within the telecommunications industry. The role is based remotely within the UK or EU, allowing you the flexibility to work from anywhere within these regions. The initial contract duration is 6 months, and the position is offered outside IR35 at a competitive daily rate of £500-£525, depending on experience. As a UI Designer, you will play a key role in designing accessible, user-centred digital interfaces across web and mobile platforms. You will be responsible for developing and implementing inclusive UI components that align with accessibility standards such as WCAG 2.1/2.2 and the European Accessibility Act (EAA). Your day-to-day tasks will include refining typography, improving colour contrast, establishing clear visual hierarchies, and ensuring that design output meets high usability and accessibility requirements. This role requires a seasoned designer with strong UI skills...

Senior Web Designer – 3 Month Contract – Outside IR35Remote UK £350-£370 a day GamingWe’re looking for a Senior Web Designer contractor to help craft seamless out-of-game experiences for a leading UK Games studio. You’ll focus on key player journeys like account creation, onboarding, payment flows, and community features — ensuring smooth, engaging interactions beyond gameplay.Key Responsibilities: Map and optimise player journeys across registration, returner recovery, purchase, and community services Design engaging onboarding journeys that mirror the games brand and tone Develop and maintain atomic design systems to ensure consistent UI components and branding Design intuitive, engaging onboarding and payment flows with rapid iteration based on user feedback Prototype and deliver production-ready pages using no-code tools (Framer, Webflow, or similar) Create accessible, cross-device community service interfaces (e.g. hiscores, polls) Requirements: Proven experience in...

Senior Web Designer - 3 Month Contract - Outside IR35 Remote UK | £350-£370 a day | Gaming We're looking for a Senior Web Designer contractor to help craft seamless out-of-game experiences for a leading UK Games studio. You'll focus on key player journeys like account creation, onboarding, payment flows, and community features - ensuring smooth, engaging interactions beyond gameplay. Key Responsibilities: Map and optimise player journeys across registration, returner recovery, purchase, and community services Design engaging onboarding journeys that mirror the games brand and tone Develop and maintain atomic design systems to ensure consistent UI components and branding Design intuitive, engaging onboarding and payment flows with rapid iteration based on user feedback Prototype and deliver production-ready pages using no-code tools (Framer, Webflow, or similar) Create accessible, cross-device community service interfaces (eg hiscores, polls) Requirements: Proven...

Software Engineer - Java - Contract - £400 per day outside IR35 - Java/ Microservices, Basic Test framework knowledge, Unit testing skills, Java design skills, Deployment in Pipeline knowledge ( Git lab, Jenkins, Aws tools sets) About the Company My client is seeking a Java Software Engineer on a contract basis in order to deliver Premium AIS in 2025. They are a leading Consultancy and the role is based on site at one of their banking clients Responsibilities Analyse user stories, and accept them for development Write code Build new system requirements, including new end points (tink/Mimo/Payit) Integration into new systems (ie Mimo) Test incrementally, in line with test strategy Full E2E testing of MVP Full E2E testing as part of deployment, in collaboration with business partners Own and lead E2E deployment (release train manager) Manage the technical delivery of one or more software engineering teams Lead the planning, specifying,...

Business Analyst | Energy Trading, Cross Asset, Front Office Derivatives | £750/Day Outside IR35 | Hybrid, LDN Business Analyst with strong Derivatives Knowledge, within Energy or Commodities Trading is needed for a commodities & energy trading firm, covering both physicals & derivative trading. With their continued growth and onboarding new products, inline with new regulatory changes, they need a Business Analyst with strong Front office, Derivatives knowledge to work on the full Project lifecycle covering business requirements analysis, functional specification of changes, testing as required and support of UAT. This is a Business / Front Office facing Business Analyst role, so excellent communication skills are required working with all levels of seniority. As a Business Analyst on the Derivatives project, your primary objective is to facilitate the design and implementation of a comprehensive system that consolidates trade lifecycle events, delivering near...

A leading Financial Services organisation based in London is urgently seeking a Senior Process Improvement Consultant (certified to Lean Six Sigma Black Belt level or above) for an initial 6-month contract. This role is outside IR35, offering a day rate of up to £650, flexibly based from their London HQ. The organisation is undergoing a multi-year strategic transformation within its Investments division, centred around a major systems implementation programme. This initiative aims to enhance trading operations, improve data management efficiency, and streamline data distribution across the investment lifecycle. As the programme enters a pivotal to-be process mapping phase, they are seeking an experienced process improvement expert to lead the design and delivery of future-state processes across key investment functions. To be considered for this opportunity, applicants must have the following: Certified Lean Six Sigma Black Belt or higher Proven expertise in...

C#.NET LNG Developer Contract : 6 months (likely extension) Location : London (Hybrid) Rate : Up to £650/day (Outside IR35) Company Overview: Our client, a leading Oil and Gas firm with a global presence, is seeking a skilled C#.NET Developer to join their dynamic team. The role will focus on enhancing and maintaining their bespoke LNG trading and risk management systems (ETRM). This is an opportunity to work on critical projects within an agile environment, collaborating with highly specialized teams across different regions. Role Summary: The successful candidate will work closely with Project Managers, Development Leads, and Business Analysts to support the customization and development of their systems. This includes enhancing .NET-based applications and integrations, with a focus on EOS and physical commodities. Key Responsibilities: Develop, maintain, and optimize applications using the .NET Framework, including WinForms and WCF services Design and...

Unity Developer (Contract – Remote, UK | Outside IR35) Duration : 5 weeks Location : Remote (UK-based only) IR35 : Outside IR35 Start : ASAP (Monday 19th June 2025) My client is looking for a S enior Unity Developer to join the team on a short-term contract focused on UI implementation and front-end development within an existing Unity project. You'll be working with a new UI design provided in Figma , implementing screens, animations, and interactions using the legacy Unity UI system (uGUI) – not UI Toolkit. 🔹 What You'll Do Build and update UI layouts in Unity using the legacy UI system (Canvas, RectTransform, etc.) Translate Figma designs into fully functional in-game interfaces Implement animations and transitions for UI elements Collaborate via Bitbucket using Git and pull requests ✅ What We're Looking For Strong experience with Unity Deep knowledge of the legacy Unity UI system (not UI Toolkit) Confident working independently...

Role: Technical Lead (Part-Time, Advisory) Remote (UK-based) Contract Length: End of 2025 Engagement: Outside IR35 *Please note that this is a part time role working 2 days a week About the Role: Our client are embarking on a digital transformation initiative and are looking for a Technical Lead to work closely with third party vendors. You will ensure seamless transitions of systems and data by ensuring that documentation and architecture can be incorporated long term into the organisation. Aspects of the transformation includes replacing legacy systems, integrate new platforms, and establish a robust Azure-based data platform. You will need to provide high-level technical assurance and architectural oversight across key integrations and system implementations. This is a part-time advisory role (approx. 2 days per week) focused on guiding design decisions, challenging vendor proposals, and ensuring alignment with the companies long term IT...

Job Title: Enterprise Architect Location: Remote (Must be UK Based) Contract: Outside IR35 Are you a seasoned and forward-thinking Enterprise Architect seeking an opportunity to lead a major international change and transformation initiative? If so, this role could be the perfect fit.You’ll play a key role in building a high-performing architecture function, driving alignment between technology strategy and business goals. This is your chance to shape the enterprise architecture practice from the ground up, influence strategic technology decisions, and establish strong governance across a complex and evolving IT landscape. Key Responsibilities:Mentorship & Capability Building Mentor and support a permanent Enterprise Architect within Mantrac Group to establish the architecture function and deliver key outcomes. Guide the team in best practices, frameworks, and effective architectural decision-making. Strategic Alignment & Road mapping Collaborate with business and...

Job Title: Security Consultant - Secure by Design / Security Assurance Location: Hybrid - Remote & Onsite (Corsham, Wiltshire) Contract Length: 9 Months Clearance Required: DV Rate: up to £700pd outside IR35 Start Date: 1st July Responsibilities: Provide expert security consultancy across the project lifecycle, with a focus on secure-by-design practices. Lead or support security risk assessments, threat modelling, and architectural reviews. Support the production and review of security documentation (RMADS, SyOps, Security Cases, etc.). Engage with technical and delivery teams to embed security requirements into solution design. Ensure alignment with MOD policies and relevant NCSC guidance. Conduct assurance activities, including reviewing supplier deliverables and ensuring appropriate risk mitigations are in place. Support accreditation activities and act as a key interface with Accreditors and other MOD assurance stakeholders. Champion best practice security...

Robert Half Technology are assisting a rapidly growing start-up organisation to recruit a Quant Developer on a contract basis - London based - start ASAP Role The Quant Developer will develop a robust, scalable automated trading system using Python and the Interactive Brokers API Build a global options scanner capable of identifying predefined trading opportunities in real time Design backend systems to ingest and process high-volume market data with low latency and high accuracy Implement trade execution logic and automate end-to-end trade lifecycle Integrate dynamic risk controls to ensure resilient execution under live market conditions Collaborate with the investment team to iterate on strategy logic and support real-time deployment Maintain and improve internal reporting tools for live and historical data Profile The Quant Developer will have proven experience building automated or algorithmic trading systems Strong backend Python development...

DevOps Engineer London ( Remote) Outside IR35 £450-£550 p/day Immediate start Rate: £450-£550 p/day Location: London (Remote) Occasional meet ups in London Contract length: 8 weeks Start date: Immediate Our client is looking for an experienced DevOps Engineer to join on a short-term, project based contract. You'll be supporting a modern CI/CD practice, containerisation and infrastructure as code within an AWS environment. Key responsibilities: Design and deploy infrastructure using AWS, Terraform and CloudFormation Build CI/CD pipelines using AWS CodePipeline, Jenkins and Docker Set up and manage container orchestration with Kubernetes Champion infrastructure as code and help optimise development processes Must have skills: Strong experience with AWS Proficient in Docker, Kubernetes, AWS CodePipeline, CloudFormation Confident scripting in Bash, Python, or similar Solid knowledge ofLinux systems Desirable: AWS Certification is a massive...

Robert Half Technology are assisting a rapidly growing start-up organisation to recruit a Quant Developer on a contract basis - London based - start ASAP Role The Quant Developer will develop a robust, scalable automated trading system using Python and the Interactive Brokers API Build a global options scanner capable of identifying predefined trading opportunities in real time Design backend systems to ingest and process high-volume market data with low latency and high accuracy Implement trade execution logic and automate end-to-end trade lifecycle Integrate dynamic risk controls to ensure resilient execution under live market conditions Collaborate with the investment team to iterate on strategy logic and support real-time deployment Maintain and improve internal reporting tools for live and historical data Profile The Quant Developer will have proven experience building automated or algorithmic trading systems Strong backend Python development skills...

Job Title: Security Consultant - Secure by Design / Security Assurance Location: Hybrid - Remote & Onsite (Corsham, Wiltshire) Contract Length: 9 Months Clearance Required: DV Rate: up to £700pd outside IR35 Start Date: 1st July Responsibilities: Provide expert security consultancy across the project lifecycle, with a focus on secure-by-design practices. Lead or support security risk assessments, threat modelling, and architectural reviews. Support the production and review of security documentation (RMADS, SyOps, Security Cases, etc.). Engage with technical and delivery teams to embed security requirements into solution design. Ensure alignment with MOD policies and relevant NCSC guidance. Conduct assurance activities, including reviewing supplier deliverables and ensuring appropriate risk mitigations are in place. Support accreditation activities and act as a key interface with Accreditors and other MOD assurance stakeholders. Champion best...

DevOps Engineer London ( Remote) Outside IR35 £450-£550 p/day Immediate start Rate: £450-£550 p/day Location: London (Remote) Occasional meet ups in London Contract length: 8 weeks Start date: Immediate Our client is looking for an experienced DevOps Engineer to join on a short-term, project based contract. You'll be supporting a modern CI/CD practice, containerisation and infrastructure as code within an AWS environment. Key responsibilities: Design and deploy infrastructure using AWS, Terraform and CloudFormation Build CI/CD pipelines using AWS CodePipeline, Jenkins and Docker Set up and manage container orchestration with Kubernetes Champion infrastructure as code and help optimise development processes Must have skills: Strong experience with AWS Proficient in Docker, Kubernetes, AWS CodePipeline, CloudFormation Confident scripting in Bash, Python, or similar Solid knowledge ofLinux systems Desirable: AWS Certification is a massive...

Robert Half Technology are assisting a rapidly growing start-up organisation to recruit a Quant Developer on a contract basis - London based - start ASAP Role The Quant Developer will develop a robust, scalable automated trading system using Python and the Interactive Brokers API Build a global options scanner capable of identifying predefined trading opportunities in real time Design backend systems to ingest and process high-volume market data with low latency and high accuracy Implement trade execution logic and automate end-to-end trade lifecycle Integrate dynamic risk controls to ensure resilient execution under live market conditions Collaborate with the investment team to iterate on strategy logic and support real-time deployment Maintain and improve internal reporting tools for live and historical data Profile The Quant Developer will have proven experience building automated or algorithmic trading systems Strong backend Python development skills...

Robert Half Technology are assisting a rapidly growing start-up organisation to recruit a Quant Developer on a contract basis - London based - start ASAP Role The Quant Developer will develop a robust, scalable automated trading system using Python and the Interactive Brokers API Build a global options scanner capable of identifying predefined trading opportunities in real time Design backend systems to ingest and process high-volume market data with low latency and high accuracy Implement trade execution logic and automate end-to-end trade lifecycle Integrate dynamic risk controls to ensure resilient execution under live market conditions Collaborate with the investment team to iterate on strategy logic and support real-time deployment Maintain and improve internal reporting tools for live and historical data Profile   The Quant Developer will have proven experience building automated or algorithmic trading systems Strong...

DevOps Engineer | London ( Remote) | Outside IR35 | £450-£550 p/day | Immediate start Rate: £450-£550 p/day Location: London (Remote) Occasional meet ups in London Contract length: 8 weeks Start date: Immediate Our client is looking for an experienced DevOps Engineer to join on a short-term, project based contract. You'll be supporting a modern CI/CD practice, containerisation and infrastructure as code within an AWS environment. Key responsibilities: Design and deploy infrastructure using AWS, Terraform and CloudFormation Build CI/CD pipelines using AWS CodePipeline, Jenkins and Docker Set up and manage container orchestration with Kubernetes Champion infrastructure as code and help optimise development processes Must have skills: Strong experience with AWS Proficient in Docker, Kubernetes, AWS CodePipeline, CloudFormation Confident Scripting in Bash, Python, or similar Solid knowledge ofLinux systems Desirable: AWS Certification is a...

Salesforce Migration Consultant; public sector, configuration, implementation, design, requirement Location: Belfast, Hybrid Rate: Negotiable, outside IR35 Duration: 3 months Essential skills: Excellent salesforce exp Experience with data migration, sandbox management, and testing Knowledge of government integration standards and data compliance Understanding of Middleware platforms a plus Strong documentation and handover capability Manage data flows, integrations, and system compatibility Collaborate with external vendors and internal stakeholders Support rollout, training, and post-go-live assistance