12 of 12 JavaScript Jobs in Hemel Hempstead

Lead AI Engineer

Hiring Organisation
Akixi
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
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 (e.g. TensorFlow, PyTorch, and/or LangChain) and LLM APIs (e.g. Azure OpenAI, OpenAI API, Anthropic, and/ ...

Full-Stack Al SaaS Engineer - React / Next.js (Internship)

Hiring Organisation
NexCell Solutions
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Intelligence, or a related technical discipline. For this role, solid frontend fundamentals are essential: candidates should have hands-on experience with React and modern JavaScript (ES6+), and familiarity with Next.js or TypeScript is strongly preferred. Additional exposure to any of the following is a plus: Tailwind CSS, Python and FastAPI ...

Senior Front-end Developer (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
/3). (If you're strong in Vue and can ramp quickly on the other, that's ok.) Solid knowledge of TypeScript, modern JavaScript, and browser fundamentals. Strong understanding of API integration and real-world frontend architecture (state management, routing, data-fetching patterns, error handling). Ability to build ...

Flask Python AI Engineer with LangChain Experience - UK Remote

Hiring Organisation
Kalisa
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
services within a Flask-based ecosystem. Front-End Enhancement: Leverage HTMX and Tailwind CSS to create an engaging, dynamic and responsive user interface, minimising JavaScript overhead and improving the overall user experience. No prior HTMX experience is required. GenAI Integration: Work with LangChain to implement prompt engineering techniques, RAG pipelines ...

Senior Full Stack Engineer

Hiring Organisation
Accelerant
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
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 ...

Front End JavaScript Developer

Hiring Organisation
Enigma Software Solutions
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join … highest standards of code quality in alignment with company-wide conventions. Required skills: · Minimum of 4 years of hands-on experience with Javascript working mainly on Frontend solutions · Solid grasp of JavaScript(Vanilla Javascript) fundamentals, including understanding of the Document Object Model (DOM) and browser Application Programming Interfaces (APIs). ...

Web Developer

Hiring Organisation
Shaw Daniels Solutions
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
deliver user-focused digital experiences. Communicate effectively at both technical and non-technical levels. Essential Knowledge, Skills & Experience Strong proficiency in modern web development: JavaScript/TypeScript, C#, responsive design, and mobile-first development. Experience with full-stack frameworks (Next.js, Remix, Astro) and developing REST/GraphQL APIs. Knowledge … accountability for results. Excellent time management and interpersonal communication skills. Team-oriented, adaptable, and level-headed under pressure. Experience 3+ years in modern JavaScript/TypeScript and C# development. Hands-on experience with full-stack web frameworks and API development. Degree in Computer Science, IT, or a related field. ...

Senior React Native Developer

Hiring Organisation
CitNOW Group
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
design and implementation of large/complex software systems Minimum 3 years React Native experience, with a minimum of 5 years working on modern JavaScript frameworks Excellent experience delivering mobile applications and the considerations that come with it, such as security, observability and connectivity High proficiency with front-end technologies … Strong experience of test automation in a front-end engineering environment (e.g. Cypress) Strong experience developing for multiple browsers and platforms Excellent understanding of JavaScript, both in terms of vanilla, frameworks such as ReactJS/Angular Good understanding of working with APIs, both REST and using services such as GraphQL ...

Senior Fullstack Engineer

Hiring Organisation
TRAKD
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
confidence across teams. Responsibilities Define and roll out shared technical patterns used across multiple teams. Design and build high-quality frontend applications using modern JavaScript frameworks. Design and deliver scalable backend services using statically typed languages. Improve system reliability through clear ownership, service-level objectives, and incident practices. Partner with … through pairing, reviews, and architectural guidance. Contribute to communities of practice to raise standards and share knowledge. Qualifications Strong experience with modern frontend development (JavaScript, TypeScript, component-based frameworks). Solid testing discipline across unit, integration, and end-to-end testing. Experience designing and building backend services using RESTful APIs. ...

Technical Configurations Analyst

Hiring Organisation
Broaden
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
standards are met across the M365 estate. Investigate and resolve system defects and configuration conflicts, escalating to vendors where necessary. Use basic scripting (PowerShell, JavaScript, JSON, or SQL) to extend platform functionality. Identify opportunities to replace manual tasks with automated workflows. Contribute to impact assessments, solution design, and testing phases … technical SaaS platforms and no-code/low-code automation tools. Familiarity with Microsoft 365 administration and the Power Platform. Basic capability in PowerShell, JavaScript, JSON, or similar languages. Excellent ability to translate business needs into technical specifications and engage with stakeholders at all levels. Understanding of information security principles ...

Digital Specialist/Solutions Architect

Hiring Organisation
5874 Commerce
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Experience Ability to assist in developing integrations across various platforms and support them throughout all phases of the project lifecycle. Familiarity with HTML, CSS, Javascript, JSON, SQL Queries, front-end frameworks, and REST APIs, with a willingness to learn and apply them. Capability to understand system architecture, application code … mindful of others. Can assist in developing integrations across various platforms, supporting them throughout all phases of the project lifecycle. Familiarity with HTML, CSS, Javascript, JSON, SQL Queries, front-end frameworks, and REST APIs – with a willingness to learn and apply them. Capable of understanding system architecture, application code ...

Frontend Developer (Ecommerce / Headless Shopify)

Hiring Organisation
Imaginaire - Shopify Plus Agency
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
looking for someone comfortable working in this way. What You'll Be Working On Building custom Shopify storefronts (native and headless) Frontend development using JavaScript/TypeScript and Next.js Translating Figma designs into accessible, high-quality UIs Working with Shopify APIs and frontend integrations Supporting and improving existing ecommerce builds … Takes pride in clean, maintainable code Has strong attention to detail Enjoys working close to the UI and customer experience Is comfortable in modern JavaScript/TypeScript frameworks (React/Next.js) Can deliver high-quality work within defined patterns and standards Communicates clearly in a remote-first environment Is pragmatic ...