1 to 25 of 31 TypeScript Jobs in Mid Wales

Remote Full Stack Engineer - Cloud & SaaS Integrations

Hiring Organisation
Do It
Location
Knighton, Powys, UK
good addition, not wait for a spec. Qualifications 3+ years of professional software engineering experience, shipping and owning features in production Strong TypeScript , including modern frontend work - React preferred Hands-on experience with Go , or strong backend experience in another language (Python, Java, Node.js, C#) with genuine enthusiasm ...

Remote Senior AI Software Engineer

Hiring Organisation
Aveni
Location
Aberystwyth, Ceredigion, UK
Looking For Essential Experience Extensive software engineering background, building, deploying, and running production LLM/AI applications. Strong hands-on experience with Node.js, TypeScript, and production React. Experience with prompt engineering, agentic workflows, RAG, and LLM integration. Knowledge of AI evaluation frameworks, monitoring, and observability. Deep understanding ...

Remote Lead Delivery Engineer

Hiring Organisation
Jagex
Location
Knighton, Powys, UK
developer tooling within a modern software engineering environment. Strong programming experience in one or more languages, such as C#, Java, Python, Go, or TypeScript, with the technical depth to guide teams in building scalable and maintainable engineering solutions. Extensive experience with automated testing and continuous delivery, including test automation ...

Remote AI Developer - Dutch Speaking

Hiring Organisation
grabjobs
Location
Welshpool, Powys, UK
spoken (this is a non-negotiable requirement) • 1–3 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) • Backend experience with Node.js ...

Remote Fullstack Software Engineer - Catering

Hiring Organisation
Olo
Location
Crickhowell, Powys, UK
What will set you up for success 3+ years of experience in software engineering, including excellent knowledge of C#, .NET and commercial experience with Typescript and a Front-end framework (React or similar). Experience with cloud services like AWS and familiarity of containerization with Docker and EKS. Experience ...

Remote Back-End Infrastructure Engineer

Hiring Organisation
Pigment
Location
Lampeter, Ceredigion, UK
each technology. Our engineering culture also values curiosity, humility, trust, ownership and team spirit. Our technical stack is C# on .NET Core Linux, React, TypeScript, PostgreSQL, Google Cloud Platform, Docker, Kubernetes, Terraform, RabbitMQ and Circle CI. Explore Our Tech Blog: If you're curious about the kind of challenges ...

Remote Back-End Infrastructure Engineer

Hiring Organisation
Pigment
Location
Builth Wells, Powys, UK
each technology. Our engineering culture also values curiosity, humility, trust, ownership and team spirit. Our technical stack is C# on .NET Core Linux, React, TypeScript, PostgreSQL, Google Cloud Platform, Docker, Kubernetes, Terraform, RabbitMQ and Circle CI. Explore Our Tech Blog: If you're curious about the kind of challenges ...

Remote Sr. Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Hereford, Powys, UK
Qualifications Bachelor's degree in Computer Science or related field, or equivalent experience. 5+ years building reliable, performant applications and microservices. Strong proficiency in TypeScript and Node.js. Ruby experience is a plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least ...

Remote Software Engineer - Olo Network

Hiring Organisation
Olo
Location
Newtown, Powys, UK
equivalent practical experience. 4+ years of experience in software engineering, with excellent knowledge of C#, .NET, plus experience on the Front-End with Typescript/React. Experience with cloud services like AWS and familiarity of containerisation with Docker and EKS. Experience with Elasticsearch/OpenSearch or similar search solutions ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Machynlleth, Powys, UK
Qualifications Bachelor's degree in Computer Science or related field, or equivalent experience. 3-5 years building reliable, performant applications and microservices. Proficiency in TypeScript and Node.js. Ruby experience is a plus. Experience across frontend (React.js), backend, and database layers. AWS experience, including core compute, storage, and networking services. ...

Remote Software Engineer (Cloud & Integration)

Hiring Organisation
Arden University
Location
Crickhowell, Powys, UK
experience working in a DevOps environment, utilizing infrastructure as code (IaC), automation, and CI/CD pipelines. Proficiency in writing and debugging code using TypeScript (Node.js) and Python. Experience with monitoring, logging, and observability tools such as Grafana, Prometheus, and AWS CloudWatch. Proficiency with Infrastructure as Code (IaC) tools ...

Remote Senior Platform Engineer

Hiring Organisation
Do It
Location
Lampeter, Ceredigion, UK
scalable, reliable, and secure cloud infrastructure, with a focus on automation and efficiency. Strong Software Engineering fundamentals and demonstrated coding proficiency in Go or Typescript (or other relevant languages), including experience with data structures, algorithms, and defensive programming. Proven experience with CI/CD tools, such as Argo ...

Remote Senior Software Engineer (Python)

Hiring Organisation
Aveni
Location
Cardigan, Ceredigion, UK
safety, guardrails, or policy enforcement Background in agentic systems or autonomous workflows Experience in financial services or regulated environments Familiarity with Node.js/TypeScript, Terraform or CDK Knowledge of observability tools and ML fundamentals You’ll Thrive If You Are Pragmatic and able to balance speed with long-term ...

Remote Python Developer - UK (Remote)

Hiring Organisation
Anyone Ai
Location
Crickhowell, Powys, UK
lab. Qualifications: Advanced professional written proficiency in English 3–7 years of professional software engineering experience Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go Backend or full‐stack development experience in production systems Experience with testing frameworks (e.g., pytest, Jest, JUnit, xUnit ...

Remote Freelance Software Developer (Ruby) - Quality Assurance (AI Trainer)

Hiring Organisation
grabjobs
Location
Cardigan, Ceredigion, UK
Training and evaluation of large language models Benchmarking and agent-based code execution in sandboxed environments Working across multiple programming languages (Python, JavaScript/TypeScript, Rust, SQL, etc.) Adapting guidelines for new domains and use cases Collaborating with project leads, solution engineers, and supply managers on complex or experimental ...

Remote Senior Software Engineer Quality Engineering & Testing

Hiring Organisation
Sophos
Location
Lampeter, Ceredigion, UK
contribute to how we continuously improve as a team. Influence engineering practices beyond your immediate team. What You Bring Strong software engineering experience (JavaScript, TypeScript, or similar). A track record of building or improving automated testing in real-world systems. Experience working in modern development environments with ...

Remote Senior Software Engineer Quality Engineering & Testing

Hiring Organisation
Sophos
Location
Llandrindod Wells, Powys, UK
contribute to how we continuously improve as a team. Influence engineering practices beyond your immediate team. What You Bring Strong software engineering experience (JavaScript, TypeScript, or similar). A track record of building or improving automated testing in real-world systems. Experience working in modern development environments with ...

Remote Software Engineer, Desktop

Hiring Organisation
grabjobs
Location
Hereford, Powys, UK
other real-time transport mechanisms. Strong debugging and performance profiling skills. Familiarity with native OS behaviors on macOS or Windows. Tech Stack Electron Node.js Typescript SQl & noSQL How We Work The best products today in the world were built by small, world class teams. We are a high talent ...

Remote Software Engineer, Desktop

Hiring Organisation
Bjak
Location
Llanidloes, Powys, UK
other real-time transport mechanisms. Strong debugging and performance profiling skills. Familiarity with native OS behaviors on macOS or Windows. Tech Stack Electron Node.js Typescript SQl & noSQL How We Work The best products today in the world were built by small, world class teams. We are a high talent ...

Remote Software Engineer, Desktop

Hiring Organisation
Bjak
Location
Lampeter, Ceredigion, UK
other real-time transport mechanisms. Strong debugging and performance profiling skills. Familiarity with native OS behaviors on macOS or Windows. Tech Stack Electron Node.js Typescript SQl & noSQL How We Work The best products today in the world were built by small, world class teams. We are a high talent ...

Remote Senior Frontend Engineer, Marketing Website

Hiring Organisation
Synthesia
Location
Crickhowell, Powys, UK
runtime, and how to stop a section library sprawling. GROQ and Portable Text are familiar territory. Deep front-end expertise: expert HTML, CSS and TypeScript, with a strong command of component API design and the developer experience of a shared library. You can work end to end. Comfortable owning ...

Remote Senior Full-Stack Engineer

Hiring Organisation
Edge Impulse
Location
Crickhowell, Powys, UK
skills and experience A minimum of six years of software development experience with a balance of front-end and back-end technologies. Proficiency in TypeScript, NodeJS, or similar technologies. Strong expertise in HTML and CSS. Foundational knowledge of UX principles and a track record of prioritizing accessibility in design. ...

Remote Full Stack Engineer (Backend Heavy)

Hiring Organisation
QuantumLoopAi
Location
Aberystwyth, Ceredigion, UK
help us scale a system that is growing fast. WHAT YOU WILL DO Architect, develop and optimise scalable, secure backend services using Node.js, TypeScript, and NestJS within a distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise … design. Expertise in creating secure, scalable RESTful APIs and/or GraphQL endpoints. Experience building responsive UIs using React, Next.js, Redux and TypeScript, with solid understanding of component-based architecture and state management. Proficiency in designing and optimising MySQL databases for high-performance applications. Hands-on experience with Azure ...

Remote Fullstack Developer with Backend Focus

Hiring Organisation
Blp Digital Ag
Location
Builth Wells, Powys, UK
with colleagues to continuously improve processes, tools, and team practices, fostering a culture of learning and growth. The tech stack includes Golang, React/TypeScript, Python, various ML models, MySQL, F#, Docker images deployed on a Kubernetes cluster in our cloud infrastructure (GCS, AWS, or Azure), and GitHub … 5+ years of experience in a software engineering role, with a clear backend focus. Genuine fullstack capability: comfortable working in a modern React/TypeScript codebase, even if backend is where you do your deepest work. Experience with functional programming concepts or languages. Passionate about software craftsmanship: strong understanding ...

Remote Sr. Software Engineer, Fullstack

Hiring Organisation
First Up
Location
Crickhowell, Powys, UK
fluency - you're comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. 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 … others. Strong communication skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. Why Firstup? Because you care - about people, the work you do, and the connections you make. Work ...