451 to 475 of 2,472 TypeScript Jobs in the UK

Senior / Principal Applied AI Engineer (UK / Europe, Remote)

Location
United Kingdom
running for real users. Assembling an off-the-shelf agent builder does not count on its own. Hands-on, fluent in Python and TypeScript - you write and own production code. This is a builder seat: not no-code/low-code wiring, not “vibe coding”, not advisory. Evaluation ...

Software Development Engineer III, Fiat Payments (Backend)

Location
Greater London, England, United Kingdom
/distributed systems; prior experience in fintech, payments, on-and-offramp provider, or banking infrastructure strongly preferred . Strong hands‐on expertise in Node.js (TypeScript preferred) for performant, production‐grade backend services. Deep experience with MongoDB — schema design, aggregation pipelines, indexing strategy, and performance tuning at scale. Proficiency with ...

Principal Software Engineer (GTMO/Mesh)

Location
Greater London, England, United Kingdom
bring: 12+ years of software engineering experience with a track record of delivering reliable, scalable systems Strong full-stack skills — React/TypeScript, backend services, cloud infrastructure Experience building in a cloud-native environment, preferably GCP — Kubernetes, Cloud Functions, Pub/Sub, managed databases Solid understanding ...

Senior Software Development Engineer - Data

Location
Nottingham, England, United Kingdom
Software Development Engineer to join us on our mission, where you’ll use a number of different languages (such as Java, Python, React/Typescript), to build both front and backend solutions, solving complex problems as we continue to build our next generation data ecosystem, to help our customers. ...

Staff Software Engineer - Customer Data Platform

Location
City of Westminster, England, United Kingdom
workflows that increase team productivity. Tech Stack M&S utilizes a variety of technologies within the Customer Data Platform including: Front-end: React, Next.js, TypeScript Back-end: Java, Node.js, GraphQL, REST APIs Cloud & Infrastructure: Azure Kubernetes Service (AKS), mParticle, Salesforce Marketing Cloud, Salesforce Data360 Observability & Monitoring: Dynatrace, PagerDuty Quality ...

Software Engineer

Location
Greater London, England, United Kingdom
include Experience within payments, fintech or technology-led organisations. Knowledge of AI technologies and machine learning integration. Experience with technologies such as Rust, Kotlin, TypeScript or React. Knowledge of Kubernetes, cloud-native platforms and containerisation technologies. Experience with DevOps practices, CI/CD methodologies and infrastructure as code. Knowledge ...

Junior Software Engineer – Generative AI Platforms

Location
Greater London, England, United Kingdom
Golang (Go) or another backend programming language, with enthusiasm to develop deeper Go expertise. Python is a plus. Basic understanding of React and TypeScript fundamentals. Understanding of REST APIs and how modern applications communicate. Basic exposure to Kubernetes, OpenShift or containerised applications. Familiarity with databases or data technologies such ...

Senior Product Engineer

Hiring Organisation
9fin
Location
London, UK
Employment Type
Full-time
between frontend and backend work, picking the right tool for the problem rather than specializing in one area. Strong knowledge of modern JavaScript/TypeScript and frameworks such as React, alongside experience building scalable backend services and APIs. Comfortable leveraging modern AI-assisted development tools (e.g. Cursor, Claude, ChatGPT ...

Principal Applied Data Scientist

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
DESIRABLE SKILLSFamiliarity with DevOps practices including CI/CD, version control, automated testing, and monitoring to support reliable model deployment and maintenance. Experience with TypeScript, particularly for building or contributing to production services and APIs alongside ML systems. EDUCATION Bachelor's degree in Engineering, Computer Science, Data Science, Statistics ...

Senior Full Stack Engineer

Hiring Organisation
Lendable
Location
London, UK
Employment Type
Full-time
Python in a web application context. You have some experience with web frameworks like FastAPI, Django or Flask. We use FastAPI.Experience with Javascript/Typescript and a modern JS framework such as React, Angular or Vue.js. We generally use React & NextJS. You can build a frontend that's good ...

Lead Technologist

Location
Luton, England, United Kingdom
hands-on across technical architecture, proof-of-concept development, and production deployment. Meaningful experience with a subset of these technologies is essential: TypeScript (application development, API services) Python (ML/data pipelines, automation, scripting) SQL (data modelling, querying, optimisation) Azure (cloud services, serverless functions, managed services) Infrastructure as Code ...

Senior Full Stack Engineer

Location
Bath, England, United Kingdom
full-stack engineering capability with hands-on delivery in an Azure and Azure DevOps (ADO) ecosystem fluent practical coding in Python and JavaScript/TypeScript, working comfortably across back-end services, front-end interfaces and automation scripting consideration for UI/UX best practices and emerging design trends ...

Senior Software Engineer II (Full-Stack)

Location
Greater London, England, United Kingdom
joined without prior experience in one or more of the above, and we'll get you fully ramped up during onboarding. Frontend: React Native, TypeScript, GraphQL Backend: serverless on AWS, Node.js/Python, DynamoDB, Snowflake Tooling (continuously re-evaluated): Claude Code, Cursor, Linear with agents, Github with GHA Nice ...

Software Engineer, New Grad - Production Infrastructure

Location
City Of London, England, United Kingdom
apply the best technology to solve a given problem. Right now, we use: A variety of languages, including Java and Go for backend and Typescript for frontend Open-source technologies like Kubernetes, Cilium, Envoy, Grafana, React, and Redux Industry-standard tooling, including Gradle and GitHub, and agentic tools like ...

Lead Solution Architect (SFIA 5)

Location
Greater London, England, United Kingdom
DevSecOps practices, CI/CD pipelines, and Infrastructure as Code Experience with one or more programming languages such as Golang, Java, JavaScript/TypeScript, or Python Experience working within Agile delivery environments and cross‐functional engineering teams What We’re Looking For We’re looking for someone who combines ...

Senior Product Engineer

Hiring Organisation
Zapp
Location
London, UK
Employment Type
Full-time
great fit if youSenior engineering experience. 5+ years building production software. Full-stack range. Comfortable across backend, web, and infrastructure. Strong fundamentals. Confident with TypeScript, GraphQL, and SQL. At home in NestJS (or a similar Node.js framework) and React. Cloud and DevOps minded. Comfortable across GCP or a similar ...

Principal Applied Data Scientist

Location
Greater London, England, United Kingdom
SKILLS Familiarity with DevOps practices including CI/CD, version control, automated testing, and monitoring to support reliable model deployment and maintenance. Experience with TypeScript, particularly for building or contributing to production services and APIs alongside ML systems. EDUCATION Bachelor's degree in Engineering, Computer Science, Data Science, Statistics ...

Platform Engineer

Location
Greater London, England, United Kingdom
Grafana) to identify problems and find solutions. Nice‐to‐haves Hands‐on experience with at least one non‐IAC programming language (Java, Python, Typescript, or any other); Familiarity with, and interest in, security, and readiness to consider security implications in every action; Experience working in e‐commerce and running ...

Backend Developer

Location
Greater London, England, United Kingdom
tier focused on production-grade B2C/B2B platforms or high-volume marketplace solutions. Core Language Proficiencies: Deep framework and programming mastery in Node.js (TypeScript), Python (Django/FastAPI), or Go ecosystem components. Data Operations: Strong practical background working across PostgreSQL/MySQL schemas, NoSQL document sets, caching mechanics ...

Software Engineer - Affiliate Operations

Location
Greater London, England, United Kingdom
technical challenges. Growth Mindset: You embrace feedback, enjoy learning new technologies, and use data to validate ideas and improve customer outcomes. Experience with React, TypeScript, GitHub Actions, AWS, modern CI/CD pipelines, or ecommerce platforms such as Shopify, Magento, or Salesforce Commerce Cloud would be a strong advantage. ...

AI Engineer ( Manager )

Location
Greater London, England, United Kingdom
evaluation assets, reference implementations and implementation guidance. Essential experience Strong software engineering discipline, including Python and at least one additional production language such as TypeScript or equivalent, version control, testing, CI, and maintainable code, together with SQL, API design, code review and secure coding practices. Hands-on LLM application ...

Test Automation Engineer - Principal & Senior Roles

Location
East Midlands, England, United Kingdom
capture business rules, run as automated tests with Cucumber* Strong coding skills to implement automated tests in one or more of Java, JavaScript, Typescript, C#* Comfortable with source control using GitHub* Skilled in user interface automation with Selenium & Selenium Grid, Playwright or Cypress* Ability to implement tests against ...

Test Automation Engineer - Principal & Senior Roles

Location
Bexhill-on-Sea, England, United Kingdom
capture business rules, run as automated tests with Cucumber* Strong coding skills to implement automated tests in one or more of Java, JavaScript, Typescript, C#* Comfortable with source control using GitHub* Skilled in user interface automation with Selenium & Selenium Grid, Playwright or Cypress* Ability to implement tests against ...

Senior Front End Software Engineer - Application Development

Hiring Organisation
Palantir Technologies
Location
London, UK
Employment Type
Full-time
technologies work. Familiarity with data structures, loading patterns, frontend frameworks, and other technical tools and concepts. Proficiency with programming languages such as JavaScript/TypeScript, or similar languages. Strong written and verbal communication skills. Life at PalantirWe want every Palantirian to achieve their best outcomes, that ...

Senior Software Engineer (Developer Tooling)

Location
Belfast City District, Northern Ireland, United Kingdom
version things sensibly, and design with the consumer of your interface front of mind. Proficiency in at least one strongly-typed language: (Go, Python, TypeScript, or similar) and comfort picking up others as needed. Cloudsmith's CLI and tooling surface spans multiple languages and environments. Security awareness: You understand ...