776 to 800 of 809 Permanent TypeScript Jobs

work closely with security researchers, smart contract developers, and incident response teams to proactively defend our protocols and user assets. Key Responsibilities Design and develop Forta detection bots using TypeScript, Python, or Node.js Analyze smart contracts and transaction flows to identify potential threats Write custom threat detection logic tailored to our protocols and dApps Maintain and optimize bot infrastructure … rates Stay updated on blockchain security trends, exploits, and zero-day vulnerabilities Required Qualifications 6+ years of experience in software engineering, cybersecurity, or blockchain development Proficiency in JavaScript/TypeScript and/or Python Experience with Ethereum (EVM-based) smart contracts and transaction analysis Familiarity with the Forta network, including agent development and deployment Strong understanding of blockchain security More ❯

mode. As a Principal Platform Engineer you'll have an impactful role with lots of influence. Initially you'll assess the current tech set up based on GCP, Python, TypeScript, PostgreSQL and Terraform; establish the production environment and extend the platform to enable scalability. You'll collaborate closely with the CTO and Lead Software Engineer to establish and build … technical discipline You have a software engineering background with a strong knowledge of modern best practices, architecture and design experience You have strong, current technical skills including: GCP, Python, TypeScript, PostgreSQL and Terraform You're collaborative and pragmatic with strong leadership and stakeholder management skills You have experience of building teams and developing people What's in it for More ❯

Head of Engineering (Hands on- Node, Typescript, React, React Native) £90,000 - £120,000 + Stock Options Hybrid | 2 days per week in Canary Wharf We're looking for a hands-on Head of Engineering to work with our client a brand new and innovative social media app. Founded 3 years ago they have over 35k users and looking … Define the roadmap : Own the engineering strategy, lead architecture decisions, and manage both internal teams and outsourced partners. Stay hands-on : Write production-quality code across Node.js, Express, GraphQL, TypeScript, React, and React Native . Deliver front-end excellence : Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks . Integrate emerging tech : Incorporate AI More ❯

syntax-agnostic, so you're welcome to use the tools and languages you're most comfortable with. That said, we strongly prefer contributions using our core stack: React/TypeScript on the frontend, and Python/Flask on the backend. 60min technical discussion 30min call with leadership The process does not need to take long - we can be done … years 9+ years Have you built frontend features for a multi-user SaaS product used in production by paying customers? Select Have you led the development of TypeScript/React applications deployed to production and used by real users? Select More ❯

Backend Software Engineer/Developer (Python TypeScript AI LLM) Remote UK to £130k Are you a senior, backend focussed Software Engineer with advanced Python and TypeScript experience and a keen interest in AI? You could be progressing your career in an impactful Senior Software Engineer role at a highly successful American sports data analytics company that is expanding … developing AI driven features in close collaboration with Product and Data Science teams to deliver first class customer experiences. You'll focus on backend development primarily using Python and TypeScript to engineer clean code and produce reliable, high quality software. You'll work across the full software development lifecycle, participate in code reviews and explore emerging technologies as part … what they do. Location/WFH: You can work from home/remotely from anywhere in the UK on a fulltime basis. About you: You have advanced Python and TypeScript backend development skills You have experience of building and shipping multi-agent, data driven AI systems You have a strong understanding of LLMs You're collaborative with great communication More ❯

Jnr/Mid Frontend Engineer -Angular TypeScript -London The Company Through the power of AI and Big Data this company have developed a number of data driven tools and platforms aimed at delivering a transparent financial solution. Focusing purely on sustainable investment! If you want the leave the planet clean and beautiful for the next generation then you share … etc) Have freedom to govern your own tasks and spend time on new developments and research. An opportunity to gain exposure to and learn AI and ML. The candidate: Typescript is hugely beneficial but not essential You have an understanding of User experience, design patterns, data structures, and algorithms. You care about the quality of your code Interested in More ❯

Engineering Lead - AI-SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £150,000 per annum plus equity Typescript/Node, React, GCP/AWS Engineering Lead - We're working with an amazing scale-up who raised a very impressive Series B round earlier in 2025. They are building an AI … and tech stack before taking on leadership responsibilities. What you'll do Lead a small team of Engineers while staying deeply technical Contribute across the stack (React, Node.js/Typescript, GCP) with Back End experience highly valued Shape and deliver high-quality features that scale with thousands of customers Advocate for engineering best practices and help raise the technical … Collaborate with product and design to deliver exceptional user experiences What you'll bring Proven experience leading small teams while still contributing technically Strong Back End development expertise (Node.js, Typescript; Go a plus) Familiarity with cloud-native architectures (GCP or AWS) Excellent communication skills and a collaborative mindset A balance of technical depth and people-first leadership This is More ❯

engineering Deliver performant layouts and visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand … support Mastery of React + TypeScript, with library publishing experience Accessibility leadership (WCAG, ARIA, keyboard nav, colour contrast) Fluency in CSS methodologies and testing frameworks Excellent communication skills to align design, product, and engineering Bonus points for OSS contributions, Figma plugins, or micro-frontend orchestration Culture & Impact Speed with craftsmanship : fast feedback, continuous delivery, peer reviews Performance-first mindset More ❯

engineering Deliver performant layouts and visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand … support Mastery of React + TypeScript, with library publishing experience Accessibility leadership (WCAG, ARIA, keyboard nav, colour contrast) Fluency in CSS methodologies and testing frameworks Excellent communication skills to align design, product, and engineering Bonus points for OSS contributions, Figma plugins, or micro-frontend orchestration Culture & Impact Speed with craftsmanship : fast feedback, continuous delivery, peer reviews Performance-first mindset More ❯

engineering Deliver performant layouts and visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand … support Mastery of React + TypeScript, with library publishing experience Accessibility leadership (WCAG, ARIA, keyboard nav, colour contrast) Fluency in CSS methodologies and testing frameworks Excellent communication skills to align design, product, and engineering Bonus points for OSS contributions, Figma plugins, or micro-frontend orchestration Culture & Impact Speed with craftsmanship : fast feedback, continuous delivery, peer reviews Performance-first mindset More ❯

engineering Deliver performant layouts and visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand … support Mastery of React + TypeScript, with library publishing experience Accessibility leadership (WCAG, ARIA, keyboard nav, colour contrast) Fluency in CSS methodologies and testing frameworks Excellent communication skills to align design, product, and engineering Bonus points for OSS contributions, Figma plugins, or micro-frontend orchestration Culture & Impact Speed with craftsmanship : fast feedback, continuous delivery, peer reviews Performance-first mindset More ❯

engineering Deliver performant layouts and visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand … support Mastery of React + TypeScript, with library publishing experience Accessibility leadership (WCAG, ARIA, keyboard nav, colour contrast) Fluency in CSS methodologies and testing frameworks Excellent communication skills to align design, product, and engineering Bonus points for OSS contributions, Figma plugins, or micro-frontend orchestration Culture & Impact Speed with craftsmanship : fast feedback, continuous delivery, peer reviews Performance-first mindset More ❯

seasoned product designer who also has coding knowledge. You’ll take ideas from early concepts through to working UI, combining strong design skills with front-end ability in React, TypeScript, Tailwind, and Ant Design. You will help us to keep the customer at the heart of everything we do. This will include conducting user research, designing customer journeys, producing … across the LoveAdmin portfolio • Take ownership of design projects from discovery to shipped UI • Create flows, wireframes, and concept designs in Figma • Build responsive, accessible prototypes in React with TypeScript, Ant Design, and Tailwind CSS • Use AI tools to accelerate prototyping and reduce handover • Speak with customers to show features, gather feedback, and run usability sessions • Document design decisions … digital experiences • Experienced in facilitating workshops and conducting user/stakeholder interviews • Highly proficient with a range of UX and design tools such as Figma • Proficiency in React and TypeScript • Experience with Tailwind CSS and Ant Design • Understanding of accessibility (WCAG) and responsive UI Nice to Have • Experience with SaaS admin tools • Knowledge of sports or education sectors • Experience More ❯

seasoned product designer who also has coding knowledge. You’ll take ideas from early concepts through to working UI, combining strong design skills with front-end ability in React, TypeScript, Tailwind, and Ant Design. You will help us to keep the customer at the heart of everything we do. This will include conducting user research, designing customer journeys, producing … across the LoveAdmin portfolio • Take ownership of design projects from discovery to shipped UI • Create flows, wireframes, and concept designs in Figma • Build responsive, accessible prototypes in React with TypeScript, Ant Design, and Tailwind CSS • Use AI tools to accelerate prototyping and reduce handover • Speak with customers to show features, gather feedback, and run usability sessions • Document design decisions … digital experiences • Experienced in facilitating workshops and conducting user/stakeholder interviews • Highly proficient with a range of UX and design tools such as Figma • Proficiency in React and TypeScript • Experience with Tailwind CSS and Ant Design • Understanding of accessibility (WCAG) and responsive UI Nice to Have • Experience with SaaS admin tools • Knowledge of sports or education sectors • Experience More ❯

Location - London (WC2) - 4 day working week Role – Staff Software Engineer Tech - PHP, Symfony, Typescript, Postgre, TDD, Vue Salary – up to £110k Are you an experienced Software Engineer that would like to work in a company that are doing something positive within the HealthTech sector? If you're a senior or lead level developer and you want to stay … any Senior or Lead Software Engineer to make an impact, have real influence and help drive the technology forward! Tech wise it's built in PHP (Symfony), Vue and Typescript so any experience within these languages are ideal, however; if you have used other frameworks like Laravel and React then that's fine too. They work on a More ❯

Location - London (WC2) - 4 day working week Role – Staff Software Engineer Tech - PHP, Symfony, Typescript, Postgre, TDD, Vue Salary – up to £110k Are you an experienced Software Engineer that would like to work in a company that are doing something positive within the HealthTech sector? If you're a senior or lead level developer and you want to stay … any Senior or Lead Software Engineer to make an impact, have real influence and help drive the technology forward! Tech wise it's built in PHP (Symfony), Vue and Typescript so any experience within these languages are ideal, however; if you have used other frameworks like Laravel and React then that's fine too. They work on a More ❯

consensus through clear communication and strong technical skills. Responsibilities: Design, develop, and maintain mobile applications using React Native Collaborate with Product, Design, and Backend teams to integrate features using TypeScript and React Native Improve user experience of mobile applications Work with shared codebases, source control, and documentation Identify and resolve performance issues Write unit tests and documentation Mentor junior … in React Native, with 2+ years in a technical lead role Experience with large-scale SaaS applications Deep knowledge of React and React Native Strong JavaScript skills, preferably with TypeScript and GraphQL Understanding of Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern build pipelines and tooling Knowledge of mobile UI/UX principles Problem-solving More ❯

Software Technical Lead – Shape the Future of a High-Scale Platform Kafka, SQL, c# , .Net, Golang , Typescript, £70–75k + Excellent Benefits | Are you ready to take the lead on a major platform transformation that will support millions of transactions per second and fuel international expansion? We’re building a high-impact engineering team to drive a full systems … Looking For: Proven experience in designing and architecting complex systems at scale Commercial experience within web clients or server-side development Knowledge of Kafka, SQL, c# , .Net, Golang or Typescript, though expertise in similar or alternative technologies is welcome. Strong leadership and communication skills Deep understanding of performance, scalability, and system design principles Experience leading or contributing to platform More ❯

Software Technical Lead – Shape the Future of a High-Scale Platform Kafka, SQL, c# , .Net, Golang , Typescript, £70–75k + Excellent Benefits | Are you ready to take the lead on a major platform transformation that will support millions of transactions per second and fuel international expansion? We’re building a high-impact engineering team to drive a full systems … Looking For: Proven experience in designing and architecting complex systems at scale Commercial experience within web clients or server-side development Knowledge of Kafka, SQL, c# , .Net, Golang or Typescript, though expertise in similar or alternative technologies is welcome. Strong leadership and communication skills Deep understanding of performance, scalability, and system design principles Experience leading or contributing to platform More ❯

opportunity to build out a product from scratch in a team of creative, solution oriented engineers. You'll work on bleeding edge technologies; integrating AI, LLMs and APIs using TypeScript, Python in a cloud native environment. This role is based in London, with two days a week in the office to collaborate with the team and contribute to decision … opportunity to build out a product from scratch in a team of creative, solution oriented engineers. You'll work on bleeding edge technologies; integrating AI, LLMs and APIs using TypeScript, Python in a cloud native environment. Qualifications You're passionate about building advanced mathematical models and algorithms that drive real world impact. You're a design focused engineer, you More ❯

7+ years of commercial engineering experience (only truly senior-level candidates will be considered) • Proven startup experience (corporate-only backgrounds will not be considered) • Expert-level proficiency in React, TypeScript, modern frontend frameworks and architectures • Strong understanding of state management, performance optimization, and scalable component-driven design • Experience with testing frameworks (Jest, Cypress, Playwright) • Comfort with open-source principles … matters — small team, high impact, no bureaucracy • Opportunities for technical leadership and direct influence on strategy • Fully remote role Responsibilities • Architect, develop, and maintain scalable frontend applications using React, TypeScript, and modern FE tooling • Build reusable and performant UI components following best practices • Ensure accessibility, cross-browser compatibility, and responsiveness across devices • Collaborate closely with design and product teams More ❯

applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native Continuously improve the user experience of our mobile applications Work in a team environment with shared code, ensuring disciplined use of source code control and process … technologies related to mobile development What we need: 2 years of experience as a Frontend Engineer with proven experience using React Native Good programming skills in JavaScript, preferably with TypeScript and GraphQL experience In-depth knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks Familiarity with More ❯

We’re looking for a React TypeScript developer to join our team building a geospatial analytics platform. You’ll be working on interactive maps, PostGIS-powered data, and a Relay js GraphQL API, turning complex data into clean, usable interfaces. You’ll also help shape components that connect with our AI chat assistant, making insights feel seamless and interactive. More ❯

experience in professional Software Development • Technical knowledge and understanding for architectures and system designs in a SaaS environment • Experience in one of the following languages: Go, Rust, C++ or TypeScript • Working experience with agile development practices and active ambassador of modern engineering practices • Fluent English and excellent international communication skills • Highly communicative and collaborative, striving to achieve the best … ownership from embedded engineering up to cloud SaaS applications in close collaboration with a Product Owner and Product Manager Technologies: Cloud E2E Embedded Support Mobile Product Owner Rust Security TypeScript More: Team Lead SaaS (m/f/d) Hybrid Karlsruhe, Germany Software Engineering Position Description As a Team Lead SaaS (m/f/d) you will lead More ❯

Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as a prime More ❯