1 to 25 of 264 Permanent TypeScript Jobs in London

Senior Backend Engineer/Developer (TypeScript Node API) London/WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed ...

Senior Identity & Access Management Engineer Typescript, C#, OAuth2, AWS IAM, Zero Trust Outstanding opportunity to join this global B2B SaaS leader as a Senior Full Stack IAM Engineer, developing secure, scalable identity and access management across multiple components and geographies. This permanent role offers the chance to shape ...

Level Fullstack Developer (React + TypeScript + Node) £50k-£60k + Benefits Hybrid (3 days per week onsite) Join a product-led engineering team building one of the most unique internal tools in the industry. We're hiring a Mid-Level Developer to work on a highly creative application ...

semantic search Familiarity with model fine-tuning, evaluation, and continuous improvement workflows Background in distributed systems, microservices, or cloud-native architectures Experience with TypeScript/React for full-stack AI applications Track record of improving engineering velocity and team productivity metrics What Makes This Role Exciting Lead a greenfield ...

Role Description As a Forward Deployed Software Engineer at Northslope, you will be responsible for helping our customers solve their most valuable problems, working closely with stakeholders to conceive, architect, build, and maintain applications that ...

services Experience working with ML technologies Protocols such as websockets and XMPP Technology we love Go, Python, PHP Protocol buffers, gRPC Node, Typescript MySQL, Redis Elasticsearch, DynamoDB Containerisation, Lambda ...

cross-functional teams, including recruiting, promoting, and onboarding. Bonus points if you have hands-on experience with Java, Spring Boot in the backend, or TypeScript, React or React Native in the frontend. The interview process The process involves a recruiter call and then a technical interview (coding and architecture ...

commitment to team growth and wellbeing. Strong hands-on skills in: AWS (or equivalent cloud platforms) Python/PySpark for data engineering and automation TypeScript, Node.js, React.js for full-stack development Solid grasp of distributed systems design, secure coding, and data privacy principles. Familiarity with fraud detection models, anomaly ...

Node.js or RubyonRails . Familiaritywith Headless/Hydrogen/StorefrontAPI approaches. Provenexperiencewith ShopifyAPIs,GraphQL,andwebhooks . StrongunderstandingofecommerceprinciplesandUXbestpractices. Experienceleadingprojectsormentoringdevelopers. Excellentcommunicationandcollaborationskills. Mustbe basedintheUK withfullrighttowork. NicetoHave Experiencewith TypeScript . Familiaritywith headlessCMS platforms(e.g.Contentful,Sanity). Knowledgeof CI/CDpipelines andmodernDevOpsworkflows. Previousexperienceinan agencyenvironment . ThisroleoffersflexibleworkingandyoumustbebasedintheUK. 2Stageinterviewprocesswithinterviewslotsimmediatelyavailable. Applynowtobeconsidered. ...

shape the direction of a product. Must-Have Skills 5+ years experience in frontend development. Strong professional experience with React . Proficiency in TypeScript and modern JavaScript (ES6+). Experience collaborating closely with Product Designers. Familiarity with state management tools (e.g., Redux, React Query). Strong testing knowledge (Jest ...

high-value AI solutions. Required Experience & Skills: 2+ years software development, 1-2+ years in AI/ML development. Python (mandatory), Java or TypeScript (advantageous) ML fundamentals, LLM integration, prompt engineering, RAG workflows, AI frameworks and Fine-tuning. Mindset: Self-motivated, growth-oriented, passionate about emerging AI tools. ...

focus on outcomes Requirements: Strong experience in Go development Must've worked in a Product environment and been a Product Engineer Frontend experience (Typescript, React) The ability to work in fast paced constantly changing environments Cloud GCP preferred but open to AWS and Azure If you're interested please ...

/CD pipelines . As a Software Engineer first , you will have deep expertise in at least one programming language ( Python, Node.js, Java, JavaScript, TypeScript, React ) and proven experience in productionising GenAI solutions , including integrating LLMs, LangChain, OpenAI API, or Claude . This is a rare opportunity to join … projects and personal passion for AI and Software Engineering. Keywords/Tech Focus: Python, Node.JS, GenAI, LLM, Agentic AI, MLOps, RAG, LangChain, LlamaIndex, AWS, TypeScript, Docker, Terraform, SaaS, London ...

want ownership, modern tech, and work that actually matters? This ones worth a serious look. Why This Role Rocks You work full-stack: TypeScript, Node, React, React Native (bonus). You ship features end-to-end design ? build ? deploy ? monitor. You join a proper engineering culture: smart people … youll help build software thats literally shaping how homes and energy systems work in years to come. What Theyre Looking For Strong experience in TypeScript, Node.js, React. Someone whos built and maintained systems at scale. A product engineer: curious, autonomous, proactive. Experience with cloud (GCP/AWS/Azure ...

/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured. Experience with integration testing, test strategy, and test architecture ...

. Thrives in fast-paced, regulated environments where speed, compliance, and innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub ...

Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising ...

Proficiency in performance testing tools like JMeter, Gatling, K6, Neoload, or Webload . Strong coding skills in at least one language such as Java, TypeScript JavaScript, Python, C#, , Scala, or PHP. Experience designing and building automation frameworks . Familiarity with Agile development environments (SCRUM, Kanban, TDD, BDD). Implementing ...

some of the best in the industry. What You'll Be Doing * Design and deploy scalable agentic applications using Python (and ideally JavaScript/TypeScript) * Build and maintain microservices, APIs, and CI/CD pipelines * Work across cloud platforms such as AWS, GCP, or Azure * Collaborate with AI specialists ...

Senior Software Engineer (TypeScript Full Stack) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Software … implementation. There's a range of technology in the stack, you'll have a 50/50 split between backend and frontend development using TypeScript, Elixir, Elm and AWS amongst others, learning and picking new things up on the job in a collaborative, tech driven environment where ...

modern web technologies Make foundational technical decisions that shape the companys trajectory Tech youll work with Python, LLMs, vector databases, knowledge graphs React/TypeScript, Supabase, AWS Agent frameworks (e.g., LangChain, LangGraph) What they are looking for Ownership mindset: You think like a founder and execute without waiting ...

Software Engineer/Front End Developer (TypeScript React Native AI) London/WFH to £80k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range … talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining ...

Founding Forward-Deployed Engineer - London (6-day week) Python, TypeScript, (AI/ML) Salary up to £160k + Equity Join a high-velocity startup that's rewriting how insurance claims work - powering life's most critical moments with AI, speed and care. What you'll build Work side ...

engineering standards and mentor teammates Experience 5+ years full stack web development experience 3+ years production React 3+ years production Node.js Strong JavaScript/TypeScript skills Experience designing and integrating REST APIs Solid experience with MySQL, Git, Express.js, Tailwind CSS and Next.js Comfort with AWS or GCP High level … with a small team If you like having ownership, responsibility, and a real impact on a product, youll thrive here. Tech Stack React, Next.js, TypeScript, Tailwind CSS Node.js, Express, REST APIs MySQL, MongoDB Git, AWS/GCP, Cloudflare Benefits Competitive salary Hybrid working (3 office/2 remote) Ownership ...

Senior Software Engineer/Developer (Python TypeScript) London/WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. As a Senior Software … Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build ...