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    Senior Frontend Engineer: 3D AI Simulation Platform

    A technology company in London is seeking a Senior Frontend Software Engineer to enhance its simulation platform. In this role, you will build and develop a frontend that facilitates complex data interactions and visualizations, embracing advanced performance optimization and APIs. Ideal candidates will have a s ...

    AI Driven Product Engineer | Equity & Growth

    A tech-driven company based in Greater London is seeking a Product Engineer who will help redefine customer relationship management. The candidate will use their expertise in JavaScript and TypeScript to implement product features within a fast-paced engineering team. The role includes delivering innovative user ...

    Senior Backend Engineer Payments & API

    A financial technology company in Greater London is searching for an experienced Software Engineer to lead the design of their B2B API and payments infrastructure. Ideal candidates have at least 8 years of software engineering experience, a background in financial services, and are comfortable working with Node. ...

    Senior AI Driven Full Stack Engineer – Compliance & Fraud

    A cutting-edge AI startup in London is looking for a Senior Full-Stack Product Engineer to develop and enhance an AI-powered anti-financial crime platform. The ideal candidate will have over 4 years of full-stack experience with proficiency in TypeScript, React, and Node.js. Responsibilities include building sca ...

    Senior Full Stack Engineer — Hybrid + Stock Options

    A leading social impact organization in Greater London is seeking a passionate Senior Software Engineer to develop innovative platforms. In this role, you will work closely with an engineering team to build impactful applications, ensuring quality and security in your code. You should be skilled in both front-en ...

    Senior Growth Full Stack Engineer — Onboarding & Funnels

    A technology startup focused on fitness is looking for a Senior Full Stack Engineer to join their Growth Engineering team. This role involves architecting and building user journeys to enhance conversion rates, collaborating with various teams, and implementing tracking for user behavior insights. The ideal cand ...

    Senior Backend Engineer Fintech Leadership & Scale

    A leading fintech company in Greater London is looking for a Senior Backend Software Engineer to lead the delivery of complex software features. The ideal candidate should possess strong problem-solving skills and experience in mentorship, as well as proficiency in TypeScript, Node.js, and PostgreSQL. This role ...

    Senior Backend Engineer AI Driven Marketplace

    A leading fashion tech startup in London is seeking a Senior Backend Software Engineer to architect transaction systems for their AI-native secondhand fashion marketplace. You'll work on scalable systems integrating AI models into ecommerce, impacting the $350B industry. The ideal candidate has 3–6 years of expe ...

    Senior Software Engineer, Content Storage Infra (Hybrid)

    A leading digital experience platform is seeking a Senior Software Engineer to innovate and maintain its content storage infrastructure. The role involves collaborating with teams in the delivery domain, developing services using Typescript and Go, and ensuring scalability and performance of the system. The idea ...

    Senior SDK Engineer Onboarding & Web Platform

    A financial technology company in Greater London is seeking an experienced software engineer to architect and build a client-side SDK. This involves designing a JavaScript/TypeScript interface for identity verification and engaging with customers to ensure seamless integration. Ideal candidates will have over 5 ...

    Full Stack AI UI/UX Engineer | Equity Options

    A leading AI startup in Greater London is seeking a Full-Stack Engineer (Front-End Leaning) to innovate user interfaces for AI-assisted legal work. You will contribute to the design and development of high-performance tools, working closely with AI experts. The ideal candidate has over 5 years experience in web ...

    Senior Frontend Engineer: AI UI & Data Viz

    A fast-growing SaaS company in the UK is seeking a Frontend Software Engineer to join our Product Community team. You'll play a key role in creating cutting-edge user experiences on high-impact projects involving AI and data visualizations. We value strong software engineering skills and a creative mindset. If y ...

    UI Design Systems Engineer — Agent First Tokens

    A leading energy technology firm in Oxford is seeking a Software Engineer (UI) to help build a next-generation design system. This role involves developing scalable user interfaces, collaborating with product and engineering teams, and driving design processes with innovative AI tools. The ideal candidate has st ...

    Customer‑Facing Software Engineer — Fast, Impactful Deployments

    A tech startup in Greater London seeks a Forward Deployed Software Engineer. This role involves working closely with customers to develop high-impact software solutions rapidly. Ideal candidates have experience in full stack development, particularly in React/TypeScript and Kotlin. The company offers an attracti ...

    Staff Software Engineer AI Infra & Scalable Platform (Equity)

    A technology-driven company in London seeks a Staff Software Engineer to lead the evolution of its platform, enhancing AI capabilities and user experience. This role requires substantial experience in distributed systems and proficiency in TypeScript, Node.js, and AWS. The successful candidate will architect a t ...

    Founding AI Engineer Build Trial Automation Systems

    A promising AI startup is seeking a Founding Engineer in London to build and scale AI agents for clinical trial recruitment. This role involves architecting and managing complex systems, driving engineering projects, and collaborating with experts. The ideal candidate has over 3 years of full-stack engineering e ...

    Senior React Native Frontend Engineer — UI/UX Leader

    A leading tech firm in Greater London is looking for a Senior Frontend Engineer to join their Core development team. The role requires at least 2 years of recent experience with React Native and a minimum of 7 years with JavaScript and TypeScript. You will be responsible for developing the app architecture, ment ...

    Principal Frontend Architect DeFi & Web3 UX Lead

    A pioneering technology company is seeking a Principal Frontend Engineer to lead the architectural design for their DeFi ecosystem. In this role, you'll shape product vision, define the UI framework, and drive innovation within a collaborative, cross-functional team. Ideal candidates will have extensive software ...

    Fintech Full Stack Engineer — React/Node/AWS

    A leading fintech company in Greater London is seeking a Full Stack Engineer to develop innovative products that transform trade finance. You will work across the entire stack, focusing on creating intuitive frontends and robust backend APIs. This role is ideal for someone who thrives in a fast-paced startup env ...

    AI Engineer: Autonomous Agents for Financial Modeling

    A VC-backed AI startup in Greater London seeks an AI Engineer to develop sophisticated AI operating systems for financial modeling. You'll work with a team of exceptional engineers from firms like Jane Street and Bloomberg. The role involves optimizing AI agents, leading evaluation pipelines, and producing high- ...

    Full Stack Software Engineer, Fusion Platform (AWS)

    A global market infrastructure provider is looking for a Software Engineer to join a new team focused on building the next generation Fusion Platform in collaboration with AWS. This role involves technical contributions across various disciplines including development, testing, and DevOps. The ideal candidate wi ...

    Senior AI Product Engineer Agentic Legal Tech (Equity)

    An innovative AI law firm is seeking a Senior Product Engineer to lead the development of agentic AI workflows and systems. In this high-impact role, you will shape product direction while working with a dynamic team in a startup-like environment. Ideal candidates will have experience in high-growth startups, pr ...

    Frontend Engineer: Agent first Design Systems (Hybrid)

    A leading energy solutions company in Oxford is hiring a Frontend Engineer to participate in building innovative design systems for B2B SaaS applications. This role requires expertise in React and TypeScript to create reusable components while ensuring high-quality UX standards. The position embraces a hybrid wo ...

    Founding Engineer — Secure Browser Automation, Equity

    A leading technology company is looking for a Founding Engineer to join a high-caliber team in London. You will develop a mission-critical browser automation engine and work in a culture brimming with innovation and autonomy. The ideal candidate should have a passion for building secure solutions and previous ex ...

    Senior Frontend Architect — React/Next.js, MACH

    A leading retail company based in the East Midlands is seeking a Senior Front-End Software Engineer. This role involves driving front-end architecture decisions and leading the implementation of complex solutions using React and TypeScript. The ideal candidate will have significant experience in large-scale prod ...

    Senior Full Stack Engineer (TS/React) — Remote

    A fast-growing technology company in Reading is looking for a Senior Full Stack Engineer to join their dynamic engineering team. You will be responsible for designing, building, and maintaining high-performance applications using TypeScript, Node.js, and React. The ideal candidate has extensive experience with p ...

    Senior Software Engineer Build a Global Immigration Platform

    A technology-driven immigration platform is looking for a Senior Software Engineer based in Greater London. The ideal candidate will be responsible for building their core immigration platform, writing clean code in TypeScript and React, and collaborating with multiple teams. This full-time position requires 3 d ...

    Senior Embedded UI Engineer for Live Streaming

    A leading streaming platform seeks a Senior Software Engineer to innovate on core features for the Roku platform. You'll enhance user experience through embedded UI development and work on complex features with a talented team. The ideal candidate is experienced in embedded C++ and Typescript, understands core O ...

    Senior Software Engineer — Remote, .NET/C#, TS & Mentorship

    A fast-growing tech start-up in Manchester is seeking a Senior Software Engineer to design and build high-quality, scalable software while mentoring junior developers. This role offers real progression in a high-growth business, with the flexibility to work remotely (only 1 day/month in the Manchester office). I ...

    Senior Software Engineer Live Trading Platform (Hybrid)

    A specialist tech consultancy is seeking a Senior Software Engineer to join their team in Greater London. This senior-level role involves designing and delivering a live trading platform with a focus on both frontend and backend development, primarily using React and TypeScript. You will influence system design ...

    Senior Full Stack Engineer for AI Procurement Platform

    A growing tech startup in Greater London is looking for a Senior Software Engineer to join their team. The company is rapidly scaling and seeks someone experienced in full-stack development, especially with Typescript and AWS. Candidates should be prepared for a hands-on role with high impact on product features ...

    Senior Frontend Engineer, D2C Platform

    A leading music company is seeking a Senior Software Engineer to join their D2C development team in London. This role involves building products that empower artists and record labels worldwide, contributing to high-quality user experiences, and mentoring junior engineers. Ideal candidates will have over 8 years ...

    Senior QA Engineer: Remote, Impactful Test Leader

    A global security solutions company in Greater London is seeking a Senior Software Test Engineer with over 5 years of experience. In this role, you will oversee the planning and execution of testing activities within cross-functional teams, focusing on test automation and quality engineering. You will work with ...

    Senior Full Stack Engineer for Trading Platform (Hybrid)

    A large enterprise is seeking a Senior Full-Stack Engineer for their high-performance trading platform based in Waterloo, London. You will design and build features using TypeScript, Node.js, and React, and collaborate closely with clients and engineers. Ideal candidates will have 8+ years of software developmen ...

    Customer‑Facing AI Engineer — Full‑Stack & Onsite

    A high-growth AI startup is seeking a Forward Deployed Engineer in Greater London. This role involves customer-facing engineering to optimize the use of AI solutions and requires strong full-stack skills in React, TypeScript, and Node.js, along with AI/ML application development experience. The ideal candidate w ...

    Senior Full Stack Engineer Remote, Impact, Stock Options

    A leading healthcare technology firm in Greater London is seeking a Senior Full Stack Software Engineer to join their world-class team. You will work on the Verisian Platform, enhancing applications for clinical trial insights and analytics. Key responsibilities include developing and testing functionality, trou ...

    Growth Focused Full Stack Engineer (Marketing Tech)

    A digital fitness platform in the UK seeks an experienced full stack engineer to enhance their marketing technology systems. You’ll work on implementing ad tracking, building full stack features, and integrating CRM tools. The ideal candidate has over 3 years of experience in full stack development, strong JavaS ...

    Senior Full Stack Engineer 3D Visualization & AI Infra

    A leading AI infrastructure firm in London is seeking a Senior Full-Stack Engineer to lead the development of sophisticated visualization tools for multimodal datasets. This role involves designing performance-critical UI components using TypeScript and React, and requires deep expertise in graphics rendering. I ...

    Senior Frontend Engineer — Hybrid (Solihull)

    A modern fashion house in Solihull is seeking a Senior Frontend Engineer to shape its next growth phase. You will design and maintain frontend applications, mentor other engineers, and collaborate across teams. The role requires strong skills in TypeScript, React, and Node.js, with a focus on best practices like ...

    Senior Full Stack Engineer, TechOps — Self Service & Scale

    A digital energy supplier in the UK is looking for a Full Stack Software Engineer to join their TechOps Engineering team. This role involves creating innovative solutions to enhance user experiences while collaborating across various teams. Candidates should have 5+ years of software development experience, part ...

    Senior AI Native Engineer — React/NestJS, Ownership, London

    A growing tech startup in London is seeking a Mid-Senior Level Engineer to build AI-native products for the hospitality industry. You will collaborate with a focused, founder-led team utilizing modern frameworks like React and TypeScript. This role offers meaningful ownership in a profitable company that is quic ...

    Senior Front End Engineer: Crypto/Web3 UI & Wallet

    A leading technology firm in Greater London seeks a Senior Front-End Engineer specializing in Crypto/Web3. You will join the Web Front-End team to develop innovative applications for Wallet, DEX, and other solutions. The ideal candidate has over 5 years of experience in Front-End technologies, predominantly Reac ...

    Frontend Engineer — Data Dashboards & Retention

    A leading fintech company is on the lookout for a front end engineer to join their New Ventures retention squad. You will be responsible for creating user-facing features that transform complex financial data into understandable insights for small business owners. With a focus on React and TypeScript, you'll wor ...

    Staff Software Engineer AI Native Security at Scale

    A leading tech company in the United Kingdom seeks an experienced Staff Software Engineer to lead the design and implementation of secure AI software solutions. You'll play a key role in shaping how organizations build secure software at scale, contributing to projects that impact millions of developers worldwid ...

    Remote Full Stack Engineer: React/Next, Node.js & AWS

    A commerce-driven tech company in the entertainment sector is seeking a Full-Stack Engineer to join their team. In this role, you'll work on the front door of their websites using React and Next.js while also developing backend services in Node.js and TypeScript. Experience with AWS and event-driven architecture ...

    Senior Backend Engineer Payments API & Architecture

    A leading payments technology company in Greater London is seeking an experienced software engineer to design and evolve their B2B API and payments infrastructure. The role emphasizes collaboration with product teams and a strong foundation in financial services. Ideal candidates will have at least 5 years of ex ...

    Full Stack Engineer — AI AML Platform, Equity

    A Y Combinator-backed fintech startup is seeking a Full Stack Engineer to automate Anti-Money Laundering operations for global banks. You will take ownership of significant product areas, building core AI infrastructure using a serverless TypeScript stack on AWS. The ideal candidate has 1-5 years of experience, ...

    Senior Software Engineer: Scalable E commerce Platform

    A fast-growing technology startup is seeking a Senior Software Engineer to shape the future of its core systems. The ideal candidate will work closely with the CTO and the product team, focusing on building reliable and scalable solutions. Confidence in technologies such as Typescript, Node, and React is essenti ...

    Senior Full Stack Engineer — Hybrid, Global Decarbonisation

    A leading sustainability tech company is seeking a Full Stack Software Engineer in Cambridge to design and implement innovative solutions for emissions flow mapping. The role requires strong technical expertise and collaboration in a hybrid work environment, with 3 days in-office and 2 days remote. Candidates sh ...

    Growth‑Focused Full‑Stack Engineer — Marketing Tech

    A leading training platform for runners is looking for a full stack engineer to join their Growth team. This role involves building marketing technology systems and full-stack features to enhance user acquisition and engagement. The ideal candidate has 3+ years of full-stack experience, strong skills in TypeScri ...

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      Fullstack Engineer Python Typescript Jobs in United Kingdom Job Search Guide, Trends and Insights