8 junior service designer jobs found in London

Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...

UI/UX Designer – Flagship Trading Platform (Finance) 📅 Contract: 12 months 💰 Rate: Up to £700/day (Outside IR35) 📍 Location: London (City) – Hybrid (1 day per week onsite) 🚀 The Opportunity Join one of the world’s leading investment banks as a UX/UI Designer on their flagship trading platform , now rolling out across the full Capital Markets business. Backed by senior leadership and embraced by users, this platform is transforming how trading teams operate — and you’ll be at the heart of its evolution. This role requires someone is is very strong with both UX and UI. Someone who is vastly experienced in Pixel perfect design without the need for wireframes etc. This is a high-impact, high-visibility role on a long-term programme that's shaping the future of institutional trading. With a strong design system in place and a clear strategy ahead, it's the perfect time to join and make your mark . You’ll enjoy flexible working (just 1 day a week...

Senior Cloud Network Engineer - Multi-Cloud, AWS, Azure, Terraform - £600 - £650 per day (outside IR35, mostly remote) A global commercial real estate services and investment firm are seeking a highly skilled Senior Cloud Network Engineer to lead the design and optimization of secure, scalable cloud networking solutions across their international operations. The Senior Cloud Network Engineer's responsibilities will be: Design and implement advanced cloud network architectures across AWS, Azure, and hybrid environments including VPCs, Transit Gateways, and Direct Connect solutions. Lead integration of on-premises and cloud networks, ensuring secure and efficient hybrid connectivity across global infrastructure. Collaborate with cybersecurity, DevOps, and infrastructure teams to align cloud network strategies with business objectives. Conduct cloud network architecture reviews, performance tuning, and cost optimization initiatives. Develop and maintain network...

Tecknuovo is a deliberately different digital consultancy, delivering secure, modern solutions while upskilling client teams to ensure zero long-term dependency. We are seeking an actively SC Cleared Tech Lead/Solutions Architect (SFIA 6) to support a strategically important government-sector data modernisation programme , focused on establishing an AWS-native Data Landing Zone (DLZ) and leading the prototype-to-production delivery of a Legacy data migration .You will provide technical leadership, architectural direction, and help embed product-led, scalable delivery practices, ensuring high-quality engineering, strong DevOps automation, and smooth knowledge transfer into internal client teams. Essential Skills: Proven experience designing and implementing cloud-native architectures , ideally using AWS. Strong background leading technical delivery across multi-disciplinary engineering teams . Experience architecting and delivering data ingestion, storage,...

Power BI Developer - Construction, Rail & Civil Engineering Department: Commercial / Project Controls / Digital & Data Reports To: Head of Project Controls / Digital Transformation Manager Location: Working from home Employment Type: Contract - (Outside IR35) Role Overview We are seeking an experienced Power BI Developer to support major infrastructure, rail, and civil engineering projects by delivering high-quality business intelligence and data analytics solutions. The successful candidate will work closely with Project Managers, Commercial Managers, Planners, and Senior Leadership teams to transform complex cost, programme, and operational data into clear, actionable dashboards that support performance improvement, cost control, and strategic decision-making. Key Responsibilities 1. Reporting & Dashboard Development Design, develop, and maintain interactive dashboards and reports Produce reporting for: Cost Value Reconciliation...

Senior Salesforce Business Analyst 12-month contract, Outside IR35, London (4 days), To £650/day Senior Business Analyst is required by well-established organisation with operations across the UK and Europe. They focus on delivering high-quality services to a diverse client base, emphasizing innovation, efficiency, and sustainable practices. They need an experienced Senior BA with expertise in Salesforce . Role Overview The Senior Business Analyst will support a key business project by implementing technology to enhance service offerings. You will collaborate with technology teams, stakeholders, and delivery groups to gather requirements, analyze processes, and provide documented insights for system enhancements across the full life cycle. Key Responsibilities Lead requirements gathering sessions and map current/future processes. Analyze impacts and document insights for cross-functional technology changes. Create standardized requirements, User Stories,...

Rate: £600/day Outside IR35 Location: Fully Remote (UK) Duration: 12 months Role Overview We are seeking a Senior Rust Engineer to lead the evolution of our Back End systems. You will develop tooling to optimise the worker acquisition funnel, remove manual bottlenecks, and reduce operational costs. This includes implementing skill verification systems, compliance automation, and engineering the migration away from Legacy Ruby to modern services in Java, Python, and Rust. Your leadership will be pivotal in architectural planning, cross-team collaboration, and the successful decommissioning of the Ruby monolith without service disruption. Key Responsibilities * Design and build large-scale Back End systems that streamline the worker acquisition process and reduce Cost per Hire. * Lead engineering initiatives and provide technical guidance across Java, Python, Rust, and Ruby technologies. * Drive system migrations from monolithic architecture to service-based...

Enterprise Security Architect - £600 PER DAY OUTSIDE IR35. 2 DAYS PER WEEK ON SITE IN CENTRAL LONDON We’re hiring a pragmatic, high-impact Enterprise Security Architect to shape and govern security across a diverse change portfolio. Solution architecture may be delivered by a strategic partner — but you will set direction, influence outcomes, and ensure secure, proportionate, high-quality solutions. This role is about clarity over complexity and building a security architecture model that is right-sized, effective and enabling. What You’ll Do Provide security architecture guidance and governance across change initiatives Influence third-party solution designs to ensure strong security outcomes Simplify and evolve the current security architecture operating model Define security vision, principles, reference architectures and roadmaps Oversee design assurance across systems and services Align security strategy with business and technology priorities What You...