1 to 25 of 34 Contract TypeScript Jobs in London

their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2, ISO 20022, AML/KYC, GDPR). Ability to drive ...

Bring: Full-Stack Engineering Proven experience building scalable, high-performance full-stack applications . Strong hands-on experience with React, Tailwind CSS, Node.js, and TypeScript . Solid understanding of microservices and modular architecture . APIs, Data & Integrations Strong experience with RESTful and GraphQL APIs . Hands-on experience with ...

Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high … quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring ...

products Demonstrated success delivering production use cases in regulated or data sensitive domains (financial services or insurance preferred) Strong coding experience in Python and TypeScript/JavaScript SQL proficiency with experience building robust transformation logic Equivalent industry experience building production grade data and AI systems also accepted Strong communicator ...

Senior Backend Engineer (Node.js, TypeScript)Outside IR35 | Up to £600/day | 6 monthsUK/EU Remote | ASAP Start We're supporting a recently acquired sports and gaming technology business as they strengthen their senior engineering capability across core backend platforms and data systems. They're hiring 2x Senior … also support HubSpot integrations, though this is a nice to have rather than a core requirement. The RoleYou'll be working across Node.js and TypeScript services that power multiple websites, internal tools and commercial data platforms. This is a technical leadership position without line management, suited to engineers ...

have) Drive smooth, reliable operation of CDM and HubSpot through clear technical ownership. Your Skills and Experience * Strong capability in Node.js, JavaScript and TypeScript within complex backend environments.* Confident designing scalable systems and making architectural decisions.* Effective collaborator with product, delivery and commercial teams.* Experience working in integration-heavy ...

Engineering leadership, Delivery, Commercial team Hybrid environment with flexible UK/EU remote options; Holborn office optional Required Skills & Experience Must-have: Node.js/TypeScript/JavaScript in production Experience with large, complex backend systems Cloud experience (preferably AWS; GCP/Azure also fine) System design & architecture experience Integration ...

Delivery Manager Supported by 1 Architect; Product hire joining soon Distributed across UK & Poland; hybrid working with optional Holborn office Required Skills & Experience Node.js & TypeScript in production systems AWS or other cloud at scale Experience owning large, complex backend systems Proven mentorship or tech lead experience Strong system design ...

Delivery Manager Supported by 1 Architect; Product hire joining soon Distributed across UK & Poland; hybrid working with optional Holborn office Required Skills & Experience Node.js & TypeScript in production systems AWS or other cloud at scale Experience owning large, complex backend systems Proven mentorship or tech lead experience Strong system design ...

developing both back-end and front-end solutions for video generation and asset delivery. Technical Skills: Proficiency in Python, SQL, Appscript, Angular, and Typescript, alongside experience with Google Cloud Platform (GCP) or other cloud providers. AI Expertise: Practical experience with large language models (LLMs) to build workflows or agents ...

optimisation and code improvement Solid knowledge of RxJS, Lazy Loading, Angular CLI Experience with State Management, Dependency Injection & REST API integration Strong skills in TypeScript, JavaScript, HTML5, CSS3, SCSS Familiar with modern UI design techniques & design systems Unit testing experience with Jasmine & Karma ...

capabilities in SharePoint Online. Key Responsibilities Develop and customize modern SharePoint Online sites, pages, lists, libraries, and components. Build custom solutions using SPFx, React, TypeScript, JavaScript, HTML, and CSS. Create business applications and automate processes using Power Apps and Power Automate. Implement Microsoft Purview Records Management, including retention labels … quality solutions. Provide documentation, technical specifications, and ongoing troubleshooting support. Technical Skills Strong experience in SharePoint Online development and configuration. Proficiency in SPFx, React, TypeScript, JavaScript, HTML5, CSS3. Hands-on experience with Power Apps and Power Automate. Knowledge of Microsoft Purview Records Management (retention labels, retention schedules, disposition review ...

Work closely with cross-functional teams to seamlessly integrate AI capabilities into our contact center solutions. Code with Purpose : Write clean, efficient, and maintainable TypeScript code that drives our software forward. Champion DevOps : Implement and advocate for best practices in DevOps, including CI/CD pipelines, automated testing … similar role. AWS Expertise : Strong proficiency in AWS services, particularly Amazon Lex and other AI/ML offerings. Tech Savvy : Proficiency in TypeScript and modern JavaScript frameworks. DevOps Knowledge : Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Center Familiarity : Experience with contact center ...

Front-End Engineer (React/TypeScript) 6 Months Contract UK Based (Hybrid) Our Uk Banking client are looking for a Front-end Engineer to join on an initial 6 month contract to build accessible, performant Single Page Applications (SPAs) that integrate cleanly with the Banks design system and services. … Core skills React, TypeScript, Redux/Redux Toolkit; Next.js (nice-to-have). Accessibility-first (WCAG 2.x), semantic HTML, ARIA, design tokens. Strong testing habits: Jest, React Testing Library, Cypress/Playwright. UI quality: performance profiling, code-splitting, hydration, SSR/ISR (Next.js). Responsibilities Deliver modular, well-tested ...

Technical Lead London or Manchester/Hybrid £750 a day, inside IR35 A leading organisation within the specialty insurance and reinsurance sector is looking for a Technical Lead to design and deliver modern, cloud-based ...

iterate phases Hands-on testing of AWS cloud-native systems ( Lambda , API Gateway , S3 , CI/CD ) Strong automation skills with Playwright , Cypress or TypeScript/Python frameworks Experience testing APIs, structured data models and ideally NoSQL/graph technologies Familiarity with React/Next.js front-ends and modern … TypeScript-based applications Understanding of semantic/graph data (e.g., RDF triples, SPARQL , Amazon Neptune ) Ability to validate AI-supported features, including LLM/RAG behaviours via Amazon Bedrock Knowledge of performance testing for serverless architectures and WCAG 2.2 AA accessibility Familiarity with GDS Standards and testing ...

driving the technology strategy forward at a day-to-day tactical level, solve problems effectively, and come up with innovative solutions. Skills: Javascript, Typescript and React Native or React.js Next.js Typescript GraphQL CI/CD best practices Design systems (Storybook) Rullion celebrates and supports diversity and is committed ...

need a senior NodeJS developer with public sector experience to join a project. 6 month contract Inside IR35 Remote £400 per day AWS Typescript Javascript- Nodejs Docker, EKS (Containerisation), CI/CD, TDD Accessibility (WCAG) Public Sector Experience required ...

across multiple Outlook clients and platforms Core Technical Experience Demonstrated experience building Outlook add-ins in enterprise environments Strong skills in Office.js, JavaScript/TypeScript, HTML, and CSS Hands-on experience with hybrid Exchange (on-prem + Exchange Online) Solid understanding of Microsoft 365, Outlook desktop clients, and Outlook ...

showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Senior Full Stack Engineer - FX e-Trading (React/TypeScript + Java) Location: London (minimum 2 days per week onsite) Contract: 12 months About the role We're looking for two experienced Senior Full … high-profile project building a brand-new FX e-trading platform . You'll be responsible for delivering full-stack features across React/TypeScript front-end applications and Java backend services , ensuring high performance, resilience, and reliability for real-time trading workflows. What you'll do Lead design ...

/day (PAYE/umbrella) Location: London (hybrid working – 2 days onsite) Senior Full-Stack Engineer – FX e-Trading (React/TypeScript + Java) About the role Help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance … accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot ...

Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high ...

features, ensuring speed, scalability, and quality are never compromised. Architect, develop, and maintain core SaaS platform components across the stack: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS/NodeJS Ensure smooth integration of AI tools, APIs, and data pipelines to enhance platform intelligence. Champion engineering best practices, including testing … Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Nice to have experience with: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps Experience building and scaling SaaS platforms in production. Strong background in software architecture, microservices ...

What we're looking for: You can demonstrate experience delivering Outlook add-ins within enterprise environments Strong hands on skills with Office.js, JavaScript or TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs ...

Contract Role – FX e Trading Senior Full Stack Engineer (React TypeScript + Java) – London/Hybrid – 12 months initial – Inside IR35 As a FX e Trading Senior Full Stack Engineer (React TypeScript + Java) as a technically strong, hands-on engineer who understands both trading workflows and modern … stack architecture and can lead delivery of a mission-critical trading platform. Role Overview: Job Title: FX e Trading Senior Full Stack Engineer (React TypeScript + Java) Location: Hybrid – up to 4 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate: £759.49 ...