976 to 1,000 of 2,268 Permanent React Jobs

Product Engineer Placement (6 Months)

Location
Greater London, England, United Kingdom
incident when they open incident.io, so we care about polish as much as we care about speed. You'll work in Go, TypeScript with React, and Postgres, deployed on Google Cloud using GKE and Cloud SQL. Infrastructure is Terraform, with BigQuery, PubSub and Cloud Storage in the mix. Sentry, Grafana ...

Senior Front end Engineer I

Location
Greater London, England, United Kingdom
deadlines, and ensure high-quality deliverables. You will be responsible for designing, developing, testing, deploying, maintaining, and enhancing software solutions. Qualifications Comprehensive skills in React and TypeScript: Capable of architecting complex applications, driving best practices, and mentoring others. Extensive experience in software development, design, and architecture, with a strong focus ...

Senior Front end Engineer I

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
manage deadlines, and ensure high-quality deliverables. You will be responsible for designing, developing, testing, deploying, maintaining, and enhancing software solutions. QualificationsComprehensive skills in React and TypeScript: Capable of architecting complex applications, driving best practices, and mentoring others. Extensive experience in software development, design, and architecture, with a strong focus ...

Junior Software Developer

Hiring Organisation
Ascent Resourcing Limited
Location
Liverpool, Merseyside, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £42,000 per annum
long-term career in product engineering. You should be someone who: Who has around 1 year experience in software development, ideally in Java, React, Node.JS and AWS. Is naturally curious and wants to understand how and why things work. Enjoys solving problems rather than simply following instructions. Takes initiative ...

AWS Data Scientist - Public Sector

Location
Leicester, England, United Kingdom
professional experience Desirable Skills Experience developing and applying Generative AI, foundation models, and LLM‐based solutions. Familiarity with modern UI and application frameworks, including React, Angular, and Bootstrap. Working knowledge of relational and NoSQL databases, including PostgreSQL, SQL, DB2, and MongoDB. Understanding of Linux and Windows environments and cloud‐based ...

Senior QA Engineer

Location
Sheet, England, United Kingdom
powered systems. Build and maintain automated test suites covering unit, integration, API, and end-to-end scenarios across our TypeScript/Node.js/React/Python stack. Develop evaluation frameworks for agent behaviour, testing reasoning quality, tool use, memory, and multi-step interaction flows. Test and validate our omnichannel communication ...

Senior QA Engineer: AI-Driven, Omnichannel Testing Leader

Location
Sheet, England, United Kingdom
powered systems. ● Build and maintain automated test suites covering unit, integration, API, and end-to-end scenarios across our TypeScript/Node.js/React/Python stack. ● Develop evaluation frameworks for agent behaviour, testing reasoning quality, tool use, memory, and multi-step interaction flows. ● Test and validate our omnichannel communication ...

Full Stack Developer

Location
City Of London, England, United Kingdom
team. You’ll have 4+ years building and shipping production web applications as a full stack engineer who owns features end to end. Strong React and TypeScript. You can architect and refactor nontrivial frontends, not just hand‐roll components. Strong Postgres or equivalent. Comfortable designing schemas, writing performant queries, managing ...

Senior Frontend Engineer

Location
Greater London, England, United Kingdom
Have 10+ years of professional software engineering experience, with significant experience building complex frontend applications Are highly proficient in TypeScript/JavaScript and React Have strong frontend architecture experience and have helped improve technical practices within an engineering team Have experience building products powered by LLMs or other AI technologies ...

Technical Lead

Location
Greater London, England, United Kingdom
also work with our Staff Engineers to align the team's work with longer-term technical direction across our domains. Our stack includes TypeScript, React, GraphQL, Node.js, Python, Golang and SQL. You don't need hands-on experience with every tool; we're more interested in strong software engineering fundamentals ...

Software Engineer - New Grad Software

Location
Greater London, England, United Kingdom
Track record of shipping high-quality products and features at scale Experience building systems that process large volumes of data Experience with Python, Typescript, React, and/or MongoDB Nice to have: Hands-on experience with LLMs, evaluations, or agentic systems — whether from internships, research, or personal projects Open source ...

AI Product Engineer, Deployed

Location
Greater London, England, United Kingdom
spec and build from zero Experience with front-end and back-end technologies, microservices, and cloud platforms Experience with modern web tooling such as React, Typescript, RESTful APIs, and database management systems Exhibit excellent problem-solving and analytical skills, with a proactive approach to challenges Enjoys working collaboratively with cross ...

Staff Software Engineer

Location
Greater London, England, United Kingdom
organization. About You The Tech Stack: You are an expert in building distributed systems. While our primary stack is Python/Django, React, and Postgres, you should be comfortable guiding technical direction across JVM languages, gRPC, and cloud-native infrastructure (AWS). Leadership: You lead through influence rather than authority ...

Deployed Software Engineer

Location
Greater London, England, United Kingdom
/scientific subject Strong core programming skills in object orientated languages such as Python, C++ or Java Knowledge of frameworks such as Angular or React A deep enthusiasm for expanding your knowledge of a diverse technology stack Willingness to travel and work on-site with customers for a significant proportion ...

Senior Full-stack Engineer

Location
United Kingdom
architectural and design principals Senior level experience of software engineering in various languages and technology stacks, primarily in Java and Typescript Experience with the React framework Experience working with data-intensive systems Experience with data analytics and data visualisation Personal skills We’re especially looking for someone who: Self-motivated ...

SharePoint Engineers | Military Veterans

Location
Cornholme, England, United Kingdom
/SQL Server SharePoint migrations (ShareGate, SPMT, Metalogix) SharePoint governance and performance monitoring For Developers SharePoint Framework (SPFx) Power Apps Power Automate JavaScript/React/Angular REST API integrations Dataverse or SQL integrations Military Backgrounds That Translate Well We strongly encourage applications from veterans with experience supporting knowledge management ...

Product Engineer (Senior)

Hiring Organisation
Accurx
Location
London, UK
Employment Type
Full-time
evolve. They bring engineering judgment into product decisions, and product thinking into engineering ones. Our stack is primarily C# on the backend, TypeScript and React on the frontend, running on Azure. ML/AI work uses Python. We don't expect you to know all of it - we expect ...

Senior Software Engineer

Hiring Organisation
Civica
Location
United Kingdom, UK
Employment Type
Full-time
code to the same standard as human-written code Experience in the public sector, health, housing, or local government domains Familiarity with .NET, Go, React/TypeScript, or similar modern stacks - we're polyglot, so language-specific depth matters less than the ability to learn Experience with legacy modernisation - understanding ...

Software Engineer (Data)

Location
Greater London, England, United Kingdom
practice, for example the OWASP Top 10 and the AWS Well-Architected Framework. Behind the scenes Ben runs on Python 3, Django, PostgreSQL, and React, on AWS. Our data platform today is built around Fivetran, AWS DMS or custom pipelines for ingestion, dbt for transformation, PostgreSQL ...

Senior Technical Project Manager

Location
Greater London, England, United Kingdom
supply chain system delivery Ability to read log files, draw conclusions and direct further technical investigation Working with Cloud Technology for Back End and React/Node for Front End Understanding of cloud/on premise infrastructure A basic understanding of Terraform - at a level you can engage with technical ...

Senior Fullstack Engineer, Scale

Hiring Organisation
Airwallex
Location
London, UK
Employment Type
Full-time
challenged, supported, and surrounded by people who are building something meaningful together. Minimum Qualifications Have 5+ years of software engineering experience in ReactJS & TypeScriptExcel at making the right level of abstraction—balancing flexibility and simplicity in system/component designDemonstrate clean communication across technical and non-technical stakeholdersMake pragmatic decisions ...

Software Engineer, Agents & Automations

Location
Greater London, England, United Kingdom
excited to use AI to do your best work, while staying accountable for the systems you build. Our stack includes Python, TypeScript with React, Postgres, and Kubernetes. We care more about strong fundamentals, product judgment, agency, and learning ability than prior experience with every part of the stack. We value ...

Visual Data Journalist - Interactive & Graphics Specialist (6 Month FTC)

Location
Greater London, England, United Kingdom
deadlines. What we're looking for from you: Front-End Development: Fluent in HTML, CSS, JavaScript, and modern visualisation frameworks (such as D3.js, Svelte, React, or Leaflet/Mapbox). Data Wrangling: Expert knowledge of Python or R for scraping, cleaning, structuring, and analyzing large datasets. News Judgment: Proven track ...

Quantitative Engineer

Location
Orpington, England, United Kingdom
with large scale data sets with structured or unstructured data Experience in building user facing applications over large amounts of data using technologies like React, Angular, JavaScript etc. Experience implementing process improvements and automation Strong Python development skills (including Pandas and related data-processing libraries). Experience with big data ...

VodafoneThree - Senior Manager, HBB Engineering Newbury, United Kingdom Digital Development - A[...]

Location
Greater London, England, United Kingdom
satisfaction sit at the heart of every delivery.**Who you are*** You’ll bring deep, end‐to‐end knowledge of engineering technologies such as React, Java, Node.js, microservices, RESTful APIs, and cloud‐native architectures.* You have proven experience leading engineering teams and shaping high‐performance cultures.* You’re confident ...