16 of 16 TypeScript Jobs in Gwynedd

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 ...

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 ...

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 ...

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 ...

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. ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

human still has to hold the quality bar. Full-stack delivery. Design, build and scale backend services in Go and product experiences in TypeScript and React. Turn large volumes of cost and usage data into interfaces that make the answer obvious - clear, fast and trustworthy enough to base financial … features or products end-to-end in 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 ...

every day. Despite the "frontend" name, this is not a UI-only role — our Frontend team works across the whole application stack in TypeScript and Rust, from the trader-facing interfaces down to the services behind them. It's distinct from our Backend team, who own the low-latency … commitment — but owning a production trading platform means being there when it matters. What You'll Work On Complex full-stack features in TypeScript and Rust — from trader-facing interfaces to the application services behind them Real-time market-data presentation and high-throughput, low-latency application code across ...

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 ...

will be remote based in London. What You’ll Do Diagnose, troubleshoot, and resolve API and SDK use issues alongside customers codebases (Python or TypeScript). Reproduce customer-reported bugs, identify likely causes in our codebase, and collaborate with Engineering to resolve them. Own support communications with developers using … Customer Engineer, Developer Success Engineer, Technical Account Manager, or similar customer facing technical role. Can write, debug, and reason through Python and/or TypeScript codebases. Are comfortable learning and reasoning about APIs, SDKs, and developer tools quickly. Take personal ownership of technical problems and follow through until customers ...

Concrete: durability and consistency under failure, multi-service orchestration, data platforms, performance and cost at scale, observability and ops fluency Senior-level fluency in TypeScript and Node, comfortable across the backend (PostgreSQL, GraphQL or APIs, GCP-shaped infra) Comfortable owning code in a distributed monorepo with multiple deployable services … framework-shaped surfaces Eval-driven development, prompt engineering at scale, LLM-judge harnesses React or another modern frontend framework Our tech stack Frontend React Typescript GraphQL (Apollo Client) Playwright Jest Storybook + Chromatic Mantine GCP (Cloud Run) Backend Typescript PostgreSQL GraphQL Yoga Jest Auth0 GCP (Cloud Run, Cloud ...