24 of 24 Permanent JavaScript Jobs in Crawley

Integration Developer

Hiring Organisation
Shaw Daniels Solutions
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

AI Engineer

Hiring Organisation
Akixi
Location
Crawley, West Sussex, 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 (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Web Developer Trainee

Hiring Organisation
ITOL Recruit
Location
Crawley, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £35,000 per annum
move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...

Software Engineer

Hiring Organisation
Harrington Starr
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Principal Software Engineer

Hiring Organisation
TopTek Talent
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Quality Assurance Automation Engineer

Hiring Organisation
HireQ Talent
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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/ ...

Senior Full Stack Engineer

Hiring Organisation
Accelerant
Location
Crawley, West Sussex, 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 ...

Senior Full Stack Engineer

Hiring Organisation
DFUSION
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

React Native Developer

Hiring Organisation
Asseticom
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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. ...

Senior JavaScript Engineer (FTC)

Hiring Organisation
Zebra People | B CorpTM
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Quality Assurance Engineer

Hiring Organisation
Stott and May
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Forward Deployed Engineer

Hiring Organisation
Immersum
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Front End JavaScript Developer

Hiring Organisation
Enigma Software Solutions
Location
Crawley, West Sussex, 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). ...

Lead Fullstack Engineer

Hiring Organisation
Annapurna
Location
Crawley, West Sussex, UK
Employment Type
Full-time
observability Tech Stack & Environment Frontend: Svelte (primary), with openness to React or Angular experience Strong focus on web components and reusable design systems Modern JavaScript/TypeScript Backend: Node.js or Python (microservices-based) API-driven architecture Infrastructure & Cloud: Kubernetes AWS Containerized, cloud-native deployments Data: SQL databases What … Looking For Strong experience as a senior or lead fullstack engineer in modern web environments Deep knowledge of JavaScript and frontend architecture Experience with Svelte, React, or Angular (Svelte experience is a plus, not a requirement) Backend experience with Node.js and/or Python Solid understanding of microservices architecture Hands ...

Web Developer

Hiring Organisation
Shaw Daniels Solutions
Location
Crawley, West Sussex, 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. ...

Trainee Software Developer

Hiring Organisation
ITOL Recruit
Location
Crawley, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£26,000 - £35,000 per annum
selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

Coding and Programming Trainee

Hiring Organisation
ITOL Recruit
Location
Crawley, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £35,000 per annum
selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

Trainee Website Administrator

Hiring Organisation
ITOL Recruit
Location
Crawley, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£27,000 - £35,000 per annum
many entry level programming roles and help you get a step ahead. Learn the Command Line (*1.5 weeks) Learn Git & GitHub (*1.5 weeks) Learn JavaScript (*1.5 weeks) Learn Python 3 (*1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet. Therefore, this is an essential addition ...

Coding Trainee Placement Programme

Hiring Organisation
ITOL Recruit
Location
Crawley, West Sussex, United Kingdom
Employment Type
Permanent
many entry level programming roles and help you get a step ahead. Learn the Command Line (*1.5 weeks) Learn Git & GitHub (*1.5 weeks) Learn JavaScript (*1.5 weeks) Learn Python 3 (*1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet. Therefore, this is an essential addition ...

Software Developer

Hiring Organisation
Premier Group
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Software Engineer – PHP & Golang Fully Remote – Within UK PHP/Golang/JavaScript £60,000-£65,000 I've recently partnered with a leading Prop-Tech business in London who are looking to add a Software Engineer to their team who specialises in PHP & Golang! The company have seen rapid … years development experience. PHP - core tech requirement. Golang - they are increasingly using this so ideally they are looking for engineers who have this. JavaScript & React - mainly a backend role but frontend experience would be good. Other skills - SQL, APIs, Microservices, AWS - most of this is non-essential. Confident collaborating with ...

Front-End Developer (Remote, UK)

Hiring Organisation
Aero · User Experience Studio
Location
Crawley, West Sussex, UK
Employment Type
Full-time
z2bz0 years of experience working in a web development agency or in-house for a brand Experience developing Shopify themes Strong knowledge of modern JavaScript Ability to write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front ...

Software Developer (Web & Internal Tools)

Hiring Organisation
Datatech Analytics
Location
Crawley, West Sussex, UK
Employment Type
Full-time
manual workflows Own work end to end, discovery, build, release, iteration Collaborate with marketing and operational stakeholders to deliver practical solutions Tech skills Languages: JavaScript, TypeScript, HTML, CSS Front-end: component-based UI, static site generators (Astro, Gatsby, Next.js or similar), responsive design, accessibility, performance Back-end/systems: APIs … discipline, pragmatic use of AI-assisted dev tools What we're looking for Commercial software development experience (web and/or internal systems) Strong JavaScript/TypeScript fundamentals Comfortable switching between customer facing and internal tooling work Practical, adaptable mindset, clear communication, collaborative style Interview process Conversational and scenario led. ...

Junior Software Engineer

Hiring Organisation
Morson Talent
Location
Crawley, West Sussex, UK
Employment Type
Full-time
configure ServiceNow CMS and Service Portal components in line with user stories and acceptance criteria. Build and maintain front-end components using HTML, CSS, JavaScript, and ServiceNow widgets. Follow ServiceNow best practices, coding standards, and Post Office development guidelines. Support enhancements across related ServiceNow modules as required. Testing & Quality Assurance … Post Office change methodology throughout the engagement. Technical Skills & Experience Essential Experience with ServiceNow development, particularly Service Portal or CMS Strong HTML, CSS, JavaScript skills Understanding of web accessibility and responsive design Familiarity with Agile delivery and user story–based development Ability to follow defined development standards and processes Desirable ...