51 to 75 of 83 React Jobs in Wales

Lead Engineer: Greenfield Systems & Tech Strategy (Hybrid)

Location
Cardiff, Wales, United Kingdom
decisions and guide a team of senior engineers while staying hands-on with code. The role focuses on Java (Spring Boot) on the backend, React/TypeScript on the frontend, PostgreSQL multitenancy, and AWS cloud hosting. You’ll drive observability and secure design across the stack. #J-18808-Ljbffr ...

Remote Salesforce Commerce Cloud Developer (Retail)

Hiring Organisation
Square One Resources
Location
Brecon, Powys, UK
Salesforce Commerce Cloud (SFCC) development. Hands-on experience with PWA Kit and headless commerce implementations. Proficiency in JavaScript, Node.js, and front-end frameworks (React preferred). Knowledge of API integration and orchestration using MuleSoft or similar tools. Experience with Algolia search configuration and optimization. Familiarity with integrating enterprise systems ...

Remote Principal Software Engineer

Hiring Organisation
Gearset
Location
Cardiff, UK
Gearset multiple times a day and we continually invest in improving our own observability and infrastructure tools. This means we can identify and react to issues quickly and delight our users by getting improvements to them as fast as possible. As a product-driven company founded by engineers, we know … across the business and talk directly to customers and partners , to ensure we're solving the most pressing problems. Our tech stack includes C#, React, TypeScript, Postgres, AWS and Kubernetes. You’ll become familiar with our pragmatically chosen stack, but you’ll also help us define what great looks like. ...

Senior Software Engineer

Location
Swansea, Wales, United Kingdom
microservices, upskilling colleagues and customers, constantly learning from others, while striving to be nice humans. Our teams have used Java, Ruby, Python, ES6 with React, as well as C# with .NET Core. We don’t limit ourselves as a company and we expect all our Engineers to be keen … such as using pattern libraries, styled-components, CSS-in-JS, BEM, and/or SUIT CSS Building and maintaining CI/CD pipelines The React ecosystem including a test-driven approach Infrastructure as code technology like Terraform and Cloud Formation Familiarity with architectural and design patterns Use of architectural decision ...

Senior Software Engineer

Location
Swansea, Wales, United Kingdom
customers, always finding themselves learning from others, while constantly striving to be nice humans. Our teams have used Java, Ruby, Python, ES6 with React, as well as C# with .NET Core. We don’t limit ourselves as a company and we expect all our Engineers to be keen on learning … using pattern libraries, styled-components, CSS-in-JS, BEM, and/or SUIT CSS Debugging infrastructure Building and maintaining CI/CD pipelines The React ecosystem including a test-driven approach Infrastructure as code technology like Terraform and Cloud Formation Familiarity with architectural and design patterns Use of architectural decision ...

Full Stack Developer

Location
Cwmbran, Wales, United Kingdom
small, collaborative team building and supporting fintech products used across the insurance market. You'll work across the stack using Python, Django, SQL, and React , contributing to both new product development and ongoing application support. This is a hands-on role with real influence over how our products evolve. What … Design, build, and maintain applications using Python and Django Work across the full stack, including front-end components (React, JS, CSS) Translate business and user needs into practical technical solutions Improve system performance, scalability, and reliability Contribute to code reviews and engineering best practices Write testable, maintainable code with appropriate ...

.NET Developer

Hiring Organisation
Noir
Location
Bangor, Gwynedd, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £55,000 per annum
.NET Developer, .NET 10.0, C# 14 - Consultancy - Bangor (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative … software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, MongoDB, Azure, AWS, Node.js and Elasticsearch. This is a truly exciting project, one which if you are given the opportunity ...

Senior Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£70,000
technologies, delivering scalable solutions while supporting best practices in software engineering, automation, security, and continuous delivery. Key Responsibilities: Design and build scalable applications using React and TypeScript Develop backend services using Node.js/NestJS and API-driven architectures Contribute to micro frontend and modular application design Improve software quality through … assisted development tools to enhance productivity and delivery About You Essential Skills & Experience: Proven experience as a Senior Software Engineer Strong expertise in React and TypeScript Experience with Node.js, NestJS, or similar backend technologies Strong understanding of the full software development lifecycle Experience with CI/CD pipelines and automated ...

Senior Frontend Developer (Remote)

Hiring Organisation
Reactive Markets
Location
Prestatyn, Denbighshire, UK
interfaces to the application services behind them Real-time market-data presentation and high-throughput, low-latency application code across FX, Equities, and Cryptocurrency React and reactive state management (RX, MobX, or similar) for demanding, data-dense trading interfaces Distributed systems and real-time data over REST, WebSockets, and network … alerting, and metrics that make frontend behaviour visible Strong full-stack engineering ability with deep TypeScript/JavaScript (ES6+) (5+ years) Solid experience with React and reactive state management (RX, MobX, or similar) If your Rust is still developing, a strong track record of picking up new languages to depth ...

Remote Senior Full-Stack Engineer - AI Cost Visibility

Hiring Organisation
Do It
Location
Fishguard, Pembrokeshire, UK
this product end-to-end - from the Go services that ingest and model AI spend, through the APIs that expose it, to the React interfaces where FinOps practitioners and platform engineers make decisions. This is a young product in a category being defined right now. You'll shape … production Strong Go for backend services - APIs, data processing, and the operational realities of running them Strong TypeScript and modern React, with a good eye for how data should be presented Comfortable across the stack. You may lean backend or lean frontend, but you can own a feature from ...

Remote Senior Full-Stack Engineer - AI Cost Visibility

Hiring Organisation
Do It
Location
Caernarfon, Gwynedd, UK
this product end-to-end - from the Go services that ingest and model AI spend, through the APIs that expose it, to the React interfaces where FinOps practitioners and platform engineers make decisions. This is a young product in a category being defined right now. You'll shape … production Strong Go for backend services - APIs, data processing, and the operational realities of running them Strong TypeScript and modern React, with a good eye for how data should be presented Comfortable across the stack. You may lean backend or lean frontend, but you can own a feature from ...

.NET Developer

Hiring Organisation
Noir
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
.NET Developer - Swansea (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract … Core, C# and Azure SQL. You will receive training in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. At the centre of our client's culture is freedom and openness which takes a lot of people ...

Remote AI Developer - Dutch Speaking

Hiring Organisation
Valsoft Corporation
Location
Porth, Rhondda Cynon Taf, UK
Build and tune AI voice agent pipelines — including speech recognition, natural language understanding, dialogue management, and text-to-speech • Develop and maintain the frontend (React/Next.js) and backend (Node.js/Python) components of the platform • Integrate the voice agent with the portfolio company's existing systems (CRMs, telephony platforms … years of professional software development experience, or equivalent strong project-based work • Strong proficiency in TypeScript and modern JavaScript • Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching) • js and/or Python (REST APIs, authentication, third-party integrations) • Working knowledge of databases ...

Remote Senior Full-Stack Engineer - AI Cost Visibility

Location
Caernarfon, Caernarfonshire, United Kingdom
this product end-to-end - from the Go services that ingest and model AI spend, through the APIs that expose it, to the React interfaces where FinOps practitioners and platform engineers make decisions. You'll work AI-augmented from day one. We expect you to use AI across your whole … production Strong Go for backend services - APIs, data processing, and the operational realities of running them Strong TypeScript and modern React, with a good eye for how data should be presented You may lean backend or lean frontend, but you can own a feature from the data model through ...

Remote Principal Software Engineer Backend Technologies, Platform (UK Remote)

Hiring Organisation
Turnitin
Location
Holywell, Flintshire, UK
ciency in Java and extensive hands-on experience with serverless frameworks (e.g., AWS Lambda, Google Cloud Functions). Solid understanding of frontend technologies, including React and Web Components, with the ability to contribute when needed. Expertise in designing and managing distributed systems, ensuring scalability, and advanced data modeling techniques. Demonstrated … cost effi ciency. Ability to make strategic technical decisions while balancing project deadlines and business goals. Preferred Skills: Experience with frontend technologies such as React, Angular, or Web Components is a plus. Familiarity with monitoring and observability tools (e.g., CloudWatch, New Relic, Datadog). Knowledge of data modeling and working ...

Remote Software Engineer - Olo Network

Location
Swansea, Glamorgan, United Kingdom
Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable ...

Senior Software Engineer (Python) - [Remote]

Location
Rhondda, Glamorgan, United Kingdom
bring those models to life in the hands of advisers, analysts and banking teams. Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features js and TypeScript React and modern front … work and we encourage engineers to use these tools effectively. Experience building production systems using Node.js/TypeScript Hands-on experience developing UIs with React Solid understanding of cloud-native engineering on AWS A commitment to clean code, testing, observability and operational excellence A proactive and motivated mindset someone ...

Remote Senior Software Engineer

Hiring Organisation
Aveni
Location
Blackwood, Caerphilly, UK
Your work will focus on: Designing and implementing robust event-driven microservices and APIs Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Integrating LLM-powered capabilities into real-world workflows Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features … What you’ll be working with You should be comfortable with most of our core technologies: Node.js and TypeScript React and modern front-end tooling AWS (e.g., Lambda, ECS/Fargate, API Gateway, SQS/SNS, DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures ...

Remote Senior Software Engineer

Location
Prestatyn, Denbighshire, United Kingdom
Your work will focus on: Designing and implementing robust event-driven microservices and APIs Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Integrating LLM-powered capabilities into real-world workflows Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features … What you ll be working with You should be comfortable with most of our core technologies: Node.js and TypeScript React and modern front-end tooling AWS (e.g., Lambda, ECS/Fargate, API Gateway, SQS/SNS, DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures ...

Remote Senior Software Engineer

Location
Llandrindod Wells, Radnorshire, United Kingdom
Your work will focus on: Designing and implementing robust event-driven microservices and APIs Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Integrating LLM-powered capabilities into real-world workflows Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features … What you ll be working with You should be comfortable with most of our core technologies: Node.js and TypeScript React and modern front-end tooling AWS (e.g., Lambda, ECS/Fargate, API Gateway, SQS/SNS, DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures ...

Remote Software Engineer - Olo Network

Hiring Organisation
Olo
Location
Llandrindod Wells, Powys, UK
Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable ...

Senior Full Stack Software Developer -Remote job

Hiring Organisation
First Up
Location
Llandudno, Conwy, UK
production environments. Proven full stack fluency - you're comfortable across frontend, backend, and the database layer. ~ Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. ~ Proven full-stack experience across frontend (React.js), backend, and database layers. ~ Technical depth in at least one engineering domain: distributed systems … tenant SaaS, application databases, networking, security, serverless, event streaming, or similar. ~ Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. We offer an excellent PTO program, great health benefits, a casual and friendly environment, remote work, and a leadership team ...

Product Engineer

Location
Cardiff, Wales, United Kingdom
features fromdiscovery through to production, delivering solutions that create value forboth the business and our customers. Our products are built using technologiesincluding TypeScript, React, Node.js, GraphQL, Flutter and AWS. Experiencewith these technologies is beneficial, but we are primarily seeking engineerswith strong problem-solving skills, sound engineering judgement and theability … should be comfortable using AI-assisted development toolsresponsibly while maintaining accountability for the quality of everythingyou deliver. Although our technology stack includes TypeScript, React, Node.js,GraphQL, Flutter and AWS, we recognise that strong engineers come from manytechnical backgrounds. We are more interested in your ability to learnquickly, communicate effectively ...

Senior Software Engineer

Location
Chepstow, Wales, United Kingdom
skills and an R&D day every last Friday of the month where the team work on things that interest them. About the role: REACT EXPERIENCE Minimum 4 years of commercial, hands‐on React development - not team lead or managerial roles. We need someone who is still writing and owning … libraries like Redux. We want to see they know when to use each approach, not just that they’ve used them. Familiarity with React hooks in depth: useEffect, useCallback, useMemo, useRef – including common pitfalls. Experience integrating with REST APIs and consuming backend services. Ideally some exposure to TypeScript, as this ...

Remote Remote Mobile Engineer - React Native (Remote UK)

Hiring Organisation
Bitfinex
Location
Bagillt, Flintshire, UK
encounter, we want to talk to you. Join us, and help lay the foundation for a decentralized future. Currently looking for: Remote Mobile Engineer - React Native Job description As a Mobile-App Developer, you will be a part of the team that works on the development of the Bitfinex mobile … above. On top of this, we expect you to be: Comfortable with high-availability concepts. Highly proficient in JavaScript and ES6+. Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. Experienced with WebSockets, RESTful based ...