76 to 100 of 102 TypeScript Jobs in the City of London

Senior Software Engineer

Location
City Of London, England, United Kingdom
cross-functionally with Product, Design, and Data Science. This is a full stack role with a leaning towards frontend. Our frontend stack includes VueJS, TypeScript, and OpenAPI; our backend stack is primarily Java (Spring Boot) and Python, with some legacy Go. We're constantly evolving how we build … requirements into pragmatic technical solutions that solve real user problems. Extend the Measure experience end-to-end: Create robust, scalable systems using VueJS and TypeScript on the frontend, and Java (Spring Boot) or Python services on the backend, that handle streaming responses, dynamic visualisations, and complex state management. Integrate ...

Software Engineer Graduate Scheme (London)

Location
City Of London, England, United Kingdom
tech specialists to build software that makes a real difference for customers and colleagues Get stuck into coding with languages like Java, Python, TypeScript, Kotlin, Swift, Rust and Golang Learn how modern engineering works in practice, from cloud development and automation to continuous testing Help improve the apps, digital … Requirements An understanding of modern engineering practices such as cloud development, automation and continuous testing. A strong foundation in coding languages like Java, Python, TypeScript, Kotlin, Swift, Rust and Golang would be advantageous in the application process. This is a Software Engineer programme first. You may work with ...

VP Engineering

Location
City Of London, England, United Kingdom
governance, security posture, and delivery against the product roadmap. The engineering organization today is about 15 engineers across application and platform, primarily full stack TypeScript on AWS, with 1-2 managers but otherwise a fairly flat team structure. You'll inherit a function that has been through a period … through change. Demonstrated accountability for delivery of complex web and mobile applications, including release governance. Experience managing engineering teams and technical leads. Full stack TypeScript and AWS experience is required. Track record of owning application security: secure coding practice, vulnerability management, audit and customer security review. Good to have ...

Senior SharePoint Developer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
SharePoint SE and SharePoint Online. * Lead modernization initiatives moving classic SharePoint experiences to modern SharePoint. * Design and develop enterprise-scale solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs. * Design and maintain enterprise on-premise and cloud SharePoint platforms, including site architecture, navigation, branding, and content … hands-on experience administering and developing solutions for SharePoint Subscription Edition (SE) and SharePoint Online. * Proven expertise in SharePoint Framework (SPFx) development. * Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. * Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. * Solid experience with ...

Associate Software Developer (Web)

Location
City Of London, England, United Kingdom
product stakeholders to understand requirements, clarify details, and deliver practical solutions. Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform framework) Tooling: Jenkins, GitLab, SonarQube, IntelliJ … IDEA Foundational full stack expertise Experience building web applications using React and TypeScript Familiarity with typical software development workflows, including using Git for version control Familiarity with Scala, Java, or another JVM language, with willingness to learn Scala and Play Framework. Mobile Interest: Exposure to mobile development and interest ...

Principal Software Developer (Web)

Location
City Of London, England, United Kingdom
Desktop application development team to ensure feature compatibility and parity Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform framework) Tooling: Jenkins, GitLab, SonarQube, IntelliJ IDEA … Deep Full Stack expertise Experience building & deploying production web apps, with significant experience in React and modern TypeScript Willingness to take ownership of Scala backend (experience with Scala/Java preferred, but not required)experience with Scala/Java preferred, but not required) Mobile Capability: Experience building or maintaining ...

Senior Frontend Engineer

Location
City Of London, England, United Kingdom
across corporate, fund, intermediaries and sub-accounts. You will be part of a team building a single page application that runs on React 18, TypeScript (strict), TanStack Query/Form/Router, Tailwind + a Radix/shadcn component system, Vitest + RTL + MSW. You make the design … help less experienced engineers get better. Skills, Knowledge and Expertise A strong track record of building modern single-page applications in React and TypeScript, running in production with real users. Complex form engineering. Four onboarding cohorts, branching validation and cross-field dependencies. Multi-step flow state. Long journeys that ...

Hybrid Fullstack Engineer (TypeScript/C#) — AI-Driven SaaS

Location
City Of London, England, United Kingdom
team in a hybrid role with two days per week at our HQ. You’ll work on a dual-stack C#/.NET and TypeScript frontend, building scalable APIs and modern microfrontends for the estate industry. You’ll own features end-to-end, collaborate with product and customers ...

Senior UI Platform Engineer, London

Location
City Of London, England, United Kingdom
adopted across teams, regions, and business domains. Responsibilities Build reusable frontend foundations for internal web applications Develop and maintain shared React/TypeScript packages, components, and tooling Create and improve starter templates, application scaffolding, and developer workflows Help define standards for application structure, testing, deployment, and supportability Partner with … tooling Support adoption through documentation, examples, and direct collaboration with developers across technology and investment teams Required Qualifications Strong professional experience with React and TypeScript Strong understanding of modern frontend architecture and application structure Experience building reusable UI components, shared packages, or internal developer tooling Experience with routing, state ...

Staff Software Engineer - AI-Native SaaS Platform

Location
City Of London, England, United Kingdom
Engineer - AI-Native SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £150,000 + equity Typescript/Node, React, GCP/AWS Staff Product Engineer - We're working with a rapidly scaling AI-native SaaS company who raised an impressive … technical problems while shaping the product experience for thousands of users. What will the Staff Product Engineer do? Contribute across the stack (Node.js/Typescript, React, GCP), designing scalable architectures to support rapid product growth. Lead end-to-end feature development, from concept through to release. Champion engineering best ...

Full Stack Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
building modern applications and services, with plenty of opportunity to get involved in technical decisions. You’ll be: Building applications with Python and TypeScript Developing front-end solutions using React Building backend services, APIs and integrations Working with cloud technologies Using Docker and modern development practices Contributing to technical … turn requirements into working software Helping shape solutions rather than simply being handed tickets What we're looking for Strong commercial Python experience TypeScript and React Experience building APIs and backend services Cloud and Docker experience Good software engineering fundamentals Comfortable communicating with technical and non-technical stakeholders Experience ...

Frontend Architect - React AI

Location
City Of London, England, United Kingdom
more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Job Description: UI Developer (React, TypeScript and AI) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. … full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise- Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management libraries (e.g. ...

Founding Engineer Python API LLM - Start-up

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
solve complex engineering challenges and establish the engineering practices that will underpin the company's future growth. You'll work primarily with Python and TypeScript, leveraging AI technologies to build innovative products that solve real world problems. This is a hands-on role with plenty of autonomy, where … build software from scratch and iterate quickly You have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic AI, like ...

Technical Lead

Location
City Of London, England, United Kingdom
software engineering. Responsibilities include: Co own the technical roadmap, planning and delivery of growth focused products Build and maintain high quality, well tested TypeScript services within an API driven platform Design and evolve scalable AWS serverless architecture Improve engineering quality through code reviews, pair programming and technical mentoring Enhance … collaborative, product led environment where engineering directly influences commercial success. Experience leading or co leading an engineering team alongside Product Strong commercial experience with TypeScript Proven experience building and operating production systems on AWS Hands on experience with modern serverless architectures Passion for mentoring engineers and raising engineering standards ...

Full Stack Developer

Location
City Of London, England, United Kingdom
Full Stack Developer London · Hybrid Location: London Contract type: Full time, permanent We're looking for a Full Stack Developer to be the first in‐house engineer building Pubity Suite, the internal product platform behind ...

Senior Product Engineer (Backend) - Typescript/Node

Location
City Of London, England, United Kingdom
Backend) - AI-Native SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £130,000 + equity Typescript/Node, React, GCP/AWS Senior Product Engineer We're working with a rapidly scaling AI-native SaaS company who raised an impressive … technical problems while shaping the product experience for thousands of users. What will the Senior Product Engineer do? Contribute across the stack (Node.js/Typescript, GCP), with a strong focus on backend systems Design scalable architectures and APIs to support rapid product growth Lead end-to-end feature development ...

Engineering Lead - AI-Native SaaS Platform

Location
City Of London, England, United Kingdom
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 … 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 backend experience highly valued Shape and deliver high-quality features that scale with thousands of customers Advocate for engineering best practices and help ...

Lead Software Data Engineer – GraphQL, AWS & GoLang

Location
City Of London, England, United Kingdom
html Integration of Fragments ...these fragments share overlapping content related to the required experience in languages and frameworks including JavaScript, React, TypeScript, Python, and GoLang. This overlap allows us to piece them together in the correct order. After combining the overlapping parts, we get: "Be a part of London … terms of the tech itself, the team is looking for an engineer who has experience in the following languages and frameworks: JavaScript, React, TypeScript, Python, and GoLang. In addition, they'll also be looking for those with hands-on use in Neo4j, GraphQL, AWS, and Kubernetes. Demonstrating..." ``` #J ...

Software Engineer

Hiring Organisation
Tria
Location
City, London, United Kingdom
Employment Type
Temporary
Salary
GBP 60,000 - 70,000 Annual
join a business that values strong technical foundations, modern development practices and continuous learning. You'll work across PHP/Laravel and Node.js/TypeScript, helping to build and enhance scalable applications, integrations and services while collaborating with experienced engineers in a supportive, high-performing environment. The role will … Claude to improve productivity, code quality and delivery. What we're looking for Strong experience with PHP and Laravel Commercial experience with Node.js and TypeScript Experience using AI development tools such as Cursor, Claude or similar Excellent problem-solving abilities and strong engineering fundamentals Someone who enjoys learning, collaborating ...

Front End Developer - React, RxJS, Typescript, Websockets, EDA

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day £700-£800
Front End Developer - React, RxJS, Typescript, Websockets, EDA Working with a global financial services organisation who are looking for a Front-End Developer with expertise in React, RxJS, Typescript, Websockets and Event Driven Development (EDA) t o join a small, collaborative team responsible for building a modern trading …/day Inside IR35 via Umbrella Skills and Experience Required Frontend: Proven experience as a Front-End Developer with expertise in React, RxJS, Typescript, Websockets and Event Driven Development (EDA) Real-Time: Experience with Real-time Data. Stakeholder Management: Interface with project stakeholders to gather requirements and build solutions ...

Senior Product Engineer (Frontend) - Typescript/React

Location
City Of London, England, United Kingdom
Frontend) - AI-Native SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £130,000 + equity Typescript/Node, React, GCP/AWS Senior Product Engineer - We're working with a rapidly scaling AI-native SaaS company who raised an impressive … technical problems while shaping the product experience for thousands of users. What will the Senior Product Engineer do? Contribute across the stack (React/Typescript, Node, GCP), with a strong focus on frontend systems Design scalable frontend architectures to support rapid product growth Lead end-to-end feature development ...

Automation Test Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £560/day
Inside IR35 - Umbrella only Active SC clearance required What you'll be doing: Build and maintain UI test automation using Playwright (primarily TypeScript/JavaScript) Create robust end-to-end test scenarios that reflect real business workflows Automate and validate API testing, including request/response testing Support enterprise … Strong experience in UI test automation with Playwright Hands-on capability with API testing and test data/validation using JSON Confidence coding in TypeScript/JavaScript Practical working knowledge of SQL and using Git in a collaborative workflow Experience designing and maintaining scalable automation frameworks A mindset focused ...

Senior Frontend Engineer — React/TypeScript Onboarding SPA

Location
City Of London, England, United Kingdom
implementation of a React-based SPA that orchestrates complex forms and onboarding flows for clients and sub-accounts. We expect strong React/TypeScript experience, deep form engineering, and a pragmatic approach to AI tooling with a focus on customer outcomes. This full-time role sits in a fast ...

Principal Product Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
enjoys making difficult architectural decisions, setting a high engineering bar and building systems that can scale with confidence. What you’ll be working with TypeScript/Node.js/NestJS AWS & Docker MySQL/relational databases High-volume data processing and distributed workflows Typed APIs and integration contracts Event-driven … improve development, testing and technical workflows What we're looking for Principal/Staff-level backend engineering experience Deep experience with NestJS, Node.js and TypeScript Strong AWS and Docker experience Experience designing high-scale backend and data systems Excellent API and systems architecture skills Strong understanding of distributed/ ...

Senior Front-End Engineer

Location
City Of London, England, United Kingdom
stability - a critical foundation for scaling AI data centers and other energy-intensive industries. Responsibilities Build and maintain responsive, performant web applications using React, TypeScript, Next.js, and modern front-end practices Collaborate with backend engineers to implement APIs and ensure smooth data integration Work closely with product and design … tech Bachelor’s degree in a technical or analytical field, or equivalent practical experience 5+ years of hands-on experience developing web applications with TypeScript, React, HTML, CSS, and Next.js Proven experience building and shipping consumer-facing products Strong communication skills and ability to collaborate effectively with cross-functional ...