1 to 25 of 39 JavaScript Jobs in Cardiff

Collaborative Spirit – works fluidly with data scientists, commercial teams, and ops leaders. Hard Skills Required • Software Engineering: Strong in at least one modern language (JavaScript/TypeScript, Java, Python) • Web & Product Development: Frameworks (React, Node.js, Django/Flask) • AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama • Agentic AI: Frameworks (langchain ...

Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing ...

with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading ...

polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

interpreting designs and patterns provided by other team members and approved 3rd parties into workable, scalable, reliable solutions. Proficient in creating code, processes, JavaScript, T-SQL, formulas, C#, PowerShell and other scripts as required. Proficient in manipulating and working with a range of data formats including JSON, XML, delimited text ...

developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. - You love balancing delivery speed with ...

related discipline). Strong commercial experience with C#. Experience building and maintaining highly scalable, high-performance systems. Solid knowledge of web development (HTML, JavaScript, CSS) and database design. Familiarity with design patterns, refactoring, and OO design principles. Proactive and detail-oriented, with strong analytical and problem-solving skills. Excellent communication ...

evolution of a proprietary media technology platform What we're looking for Experience delivering greenfield or early-stage products Strong skills in JavaScript/TypeScript, Python, or similar Cloud experience (GCP preferred), including serverless development Solid SQL and data warehouse experience (e.g. BigQuery) Experience with automation and modern front ...

Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting on AWS and managing both relational and document-based data stores like Postgres ...

reports, technical notes and business development What they'll bring: A degree in Computer Science, GIS, Geospatial Technology or similar Experience with Python, JavaScript, SQL, HTML and CSS Familiarity with geospatial platforms and libraries (e.g. ESRI, QGIS, GDAL, GeoPandas) An interest in offshore, marine or renewable energy projects A collaborative ...

team environment. What you'll need: Core Technology skills required – Strong full stack software engineering skills. Desirable technology skills: Python, Django, React, JavaScript, MySQL, SPAs, AWS (Lambda, CloudFormation, RDS). 5+ years of relevant experience in the core technology skills Best practice software development skills and practices. Excellent communication skills ...

Bring • Strong experience in automated testing • Solid understanding of the SDLC and agile methodologies • Experience working with CI/CD pipelines • Proficiency in TypeScript, JavaScript, and ideally ReactJS • Hands‐on experience with Playwright, Cypress, or Selenium • Familiarity with test management tools such as Xray • Knowledge of BDD frameworks (Gherkin/ ...

taking the time to ship high-quality code. What you bring to the table: Experience building and scaling web applications. Strong understanding of modern JavaScript frameworks. Strong coding ability. Passionate problem-solving mindset. Reputation for getting things done. Strong sense of ownership. Desire to learn and grow. Desired qualifications: Experience ...

Contribute to CI/CD pipelines, cloud deployment, monitoring and automation Help define the engineering culture as a team. Tech We Use Frontend: Twig, JavaScript, CSS Backend: PHP Databases: PostgreSQL Caching/Search: Redis, ElasticSearch (Deep experience in all is not required - strong engineering fundamentals are.) About You 5+ years ...

write and be able to understand fluent English. Deep knowledge and regular usage of Firebase suite, especially Firestore. Strong proficiency in TypeScript and modern JavaScript (ES6+). Familiarity with Expo, React Navigation, Reanimated and Vision Camera. Understanding of mobile app development best practices, including release automation and performance optimisation. ...

6 month fixed term contract. We are looking for a senior full-stack React developer to help a client continue development of their AI research product. It enables teams to transform their research into interactive ...

bring:We are looking for someone with broad technical skills, ideally with experience in some of the following: Azure, WordPress, Craft CMS, PHP, .NET, JavaScript, TypeScript, React, SQL or other databases, GitHub and JIRA. You should be methodical, customer-focused and proactive, comfortable working across a range of technologies ...

application functionality Collaborate with offshore development teams to ensure smooth delivery and coordination Contribute to front-end development using modern technologies (e.g., HTML5, CSS3, JavaScript frameworks) Participate in code reviews, testing, and deployment processes Skills & Experience Required Proven experience in back-end development with Oracle PL/SQL Exposure ...

using GitHub CI or/and Octopus Deploy. The ability to read and debug code in at least one of their core languages: JavaScript, Golang, Node.js or PHP. Benefits at a glance: A starting salary of £60,000 - £70,000 DOE A starting holiday allowance of 25 days holidays + ...

Looking For Experience working with Foreign Exchange (FX) systems Strong grasp of QA methodologies, tools and best practices Hands-on experience using Cypress Solid JavaScript programming skills Strong SQL knowledge Experience with both white-box and black-box testing Excellent written and verbal communication Detail-oriented, quality-driven mindset High ...

days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We're looking for talented engineers to join our customer-facing AI practice, from Senior ...

experience working in an dynamic, agile (ideally SCRUM) environment Strong working knowledge of AWS and linux based servers Frontend development knowledge and experience of JavaScript and Vue will be hugely beneficial Experience with building and using RESTful APIs About Rework Digital Primarily we're a bespoke web development company. ...

ongoing support and troubleshooting for deployed solutions. Skills & Qualifications Essential: Proven experience with Microsoft Power Platform (Power Apps, Power Automate, Dataverse). Proficiency in JavaScript for Power Apps customisations. Strong understanding of AI technologies and their application in business workflows. Ability to integrate APIs and connect third-party applications. Excellent ...

compliance across all developments What we are looking for Strong hands-on experience with the Microsoft Power Platform (Power Apps, Power Automate, Dataverse) Some JavaScript experience for extending Power Apps functionality Understanding of how AI tools can be applied to business processes Ability to work with APIs and integrate third ...