23 of 23 JavaScript Jobs in Chelmsford

Senior Application Developer

Hiring Organisation
Vivid Resourcing Ltd
Location
Chelmsford, Essex, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
DevOps. Solid understanding of Microsoft 365, Dataverse, and Azure Services Understanding of application lifecycle management (ALM) in Power Platform Knowledge of JSON, Power Fx, JavaScript, HTML and SQL. Qualification or high level of demonstrable capability with relevant vendor business applications Desirable: Able to demonstrate a clear understanding of, and capability ...

Senior Software Engineer (OutSystems and .NET)

Hiring Organisation
ITRAC
Location
Chelmsford, Essex, UK
Employment Type
Full-time
modularization, performance optimization, and scalable design principles. Professional Traditional Web Developer Certification (mandatory). Associate Developer (ODC) Certification (mandatory). Scripting languages such as JavaScript, TypeScript or NodeJS Strong .NET Core (C#) skills (including Entity Framework and MVC and WebAPI, .NET 8 or later Additional Technical Experience: RESTful API design ...

Senior Applications Developer

Hiring Organisation
4Recruitment Services
Location
Chelmsford, Beggar Hill, Essex, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
Strong understanding of Microsoft 365, Dataverse, and Azure Services. Knowledge of ALM (Application Lifecycle Management) for Power Platform. Technical skills in JSON, Power Fx, JavaScript, HTML, and SQL. Demonstrable expertise with relevant vendor business applications. Desirable Knowledge of ICT standards: HMG SPF, ITIL V3, ISO/IEC 38500, ISO/ ...

Full Stack Developer (Kotlin or Java)

Hiring Organisation
DataAnnotation
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Fluency in English (native or bilingual level). Preferred experience in Kotlin. Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and grammar skills. A bachelor's degree (completed or in progress). Previous ...

Software Engineer | $125/hr Remote | Mercor

Hiring Organisation
Crossing Hurdles
Location
Chelmsford, Essex, UK
Employment Type
Full-time
testing, or software documentation. Background as a Senior or Staff Engineer, QA Engineer, or Technical Writer preferred. Proficiency in Python; familiarity with additional languages (JavaScript, TypeScript, Java, C++, Go, Ruby, Rust, Bash) is a plus. Understanding of Git workflows, testing frameworks, and debugging tools. Exceptional analytical and written communication skills. ...

Senior Engineer - Full Stack (Remote)

Hiring Organisation
Veeva Systems
Location
Chelmsford, Essex, UK
Employment Type
Full-time
5+ years of experience with Python and Python web frameworks (Django, Flask, FastAPI, etc...) 5+ years of experience with front-end technologies, such as JavaScript, Typescript, and React Able to create database schemas that represent and support business processes Unit test and debugging skills 3+ years of work experience with ...

Java Full Stack Engineer

Hiring Organisation
Stealth iT Consulting
Location
Chelmsford, Essex, UK
Employment Type
Full-time
team on a permanent basis. The ideal candidate will possess extensive experience in developing robust web applications using Java (Spring Boot), HTML, CSS, and JavaScript/TypeScript. This role offers an exciting opportunity to work on innovative projects, collaborate with a dynamic team, and contribute to the development of cutting … Clearance No Sponsorship will be provided for this role Job Details Required Extensive experience of building microservices with Java (Spring Boot) Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS Experience using version control software - Git Experience using online version control tools - GitHub, GitLab ...

Documentation Specialist | $125/hr Remote | Mercor

Hiring Organisation
Crossing Hurdles
Location
Chelmsford, Essex, UK
Employment Type
Full-time
testing, or software documentation. Background as a Senior or Staff Engineer, QA Engineer, or Technical Writer preferred. Proficiency in Python; familiarity with additional languages (JavaScript, TypeScript, Java, C++, Go, Ruby, Rust, Bash) is a plus. Understanding of Git workflows, testing frameworks, and debugging tools. Exceptional analytical and written communication skills. ...

Java Developer (Remote)

Hiring Organisation
Hire Wave
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Looking For Education: Bachelor's degree (or higher) in Computer Science or a related field. Technical Skills: Strong proficiency in Python, Java, JavaScript, or C++. Language Skills: Fluent in Spanish (required) and English (preferred). Writing Skills: Ability to explain programming concepts clearly in Spanish. Experience (Preferred): 1+ years ...

Web Developer (Remote)

Hiring Organisation
Hire Wave
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Looking For Education: Bachelor's degree (or higher) in Computer Science or a related field. Technical Skills: Strong proficiency in Python, Java, JavaScript, or C++. Language Skills: Fluent in Spanish (required) and English (preferred). Writing Skills: Ability to explain programming concepts clearly in Spanish. Experience (Preferred): 1+ years ...

AI Solutions Director (Perm, UK, Remote)

Hiring Organisation
Nearform
Location
Chelmsford, Essex, UK
Employment Type
Full-time
explaining trade-offs in solutions & aligning stakeholders on what is the optimal solution Possess working proficiency in at least one programming language (e.g. Python, JavaScript) Experience with Generative AI technologies, including hands-on work using foundation models to create efficiencies in real-world applications using techniques such as RAG, agents ...

Web Designer - Contract

Hiring Organisation
Twine
Location
Chelmsford, Essex, UK
Employment Type
Full-time
experience designing and developing modern, interactive websites Strong proficiency in web design tools (e.g., Figma, Adobe XD, Sketch) and front-end technologies (HTML, CSS, JavaScript) Experience with CMS platforms such as WordPress or Webflow Ability to translate reference materials and creative direction into effective web layouts Knowledge of best practices ...

Enterprise Sales Engineer (xMatters)

Hiring Organisation
Everbridge
Location
Chelmsford, Essex, UK
Employment Type
Full-time
development, devops, consulting and customer success management Passionate about technical solutions and working with customers Experience with Cloud Native and Hybrid solutions Experience with Javascript, or a working knowledge of common development languages to enable basic scripting Bachelor's degree in IT/Computer Science or similar certification/knowledge ...

Frontend Developer / Engineer (Remote)

Hiring Organisation
HireFast
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Looking For Education: Bachelor's degree (or higher) in Computer Science or a related field. Technical Skills: Strong proficiency in Python, Java, JavaScript, or C++. Language Skills: Fluent in Spanish (required) and English (preferred). Writing Skills: Ability to explain programming concepts clearly in Spanish. Compensation & Benefits Schedule: Flexible, choose ...

IAM Security Engineer- (Hybrid - Remote)

Hiring Organisation
Allstate
Location
Chelmsford, Essex, UK
Employment Type
Full-time
providing sponsorship for this vacancy. 3+ years of IAM experience, including 2+ years in SailPoint IdentityIQ development 2+ Years experience in Java, Bean Shell, JavaScript and REST APIs Solid understanding of infrastructure components including operating systems (Windows/Linux), relational databases, and application hosting frameworks. Experience with Risk Modeling ...

NetSuite Developer

Hiring Organisation
Catch Resource Management
Location
Chelmsford, Essex, UK
Employment Type
Full-time
SuiteCommerce Advanced, SCA, Customisation, Technical Consultant, Developer, Web Developer, Systems Engineer, Software Engineer, Software Developer, Lead Developer, Senior Developer, SuiteScript, API, PHP, Systems Developer, JavaScript - London, Manchester, Hampshire, Surrey, Midlands, Yorkshire, West Midlands, Gloucestershire, Merseyside, Staffordshire, Edinburgh, Glasgow, Scotland, Dublin, Belfast, Hertfordshire, Buckinghamshire Do you want to work ...

Team lead, Engineering, Fintech

Hiring Organisation
Deel
Location
Chelmsford, Essex, UK
Employment Type
Full-time
wallets, flows of funds, compliance, and regulated money movement. Prior experience at companies like Wise, PayPal, or similar is a strong plus. Technical Skills: JavaScript/Node.js PostgreSQL with Sequelize ORM Strong understanding of distributed systems and API-driven banking/PSP integrations Leadership: Ability to run projects at scale ...

Senior App Engineer

Hiring Organisation
TrustedHousesitters
Location
Chelmsford, Essex, UK
Employment Type
Full-time
work in the UK. What you'll bring Proven experience (4+ years) in mobile app development, including production-grade React Native, Expo, and JavaScript/TypeScript. A mindset geared toward experimentation, measurement, and continuous improvement, especially within growth-driven product teams. Strong understanding of scalable architectures, accessibility, performance optimisation … secure coding practices. Experience supporting & working with API developers and integrating with third-party platforms. Hands-on experience with JavaScript build tooling such as Webpack, Vite, and Expo. Solid foundation in component styling, HTML, CSS, and accessibility best practices. Comfortable carrying out technical discovery, architecture planning of features, and owning ...

.NET Developer

Hiring Organisation
Noir
Location
Chelmsford, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
.NET Developer - Chelmsford (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract … .NET Core, C# and Azure SQL. You will receive training in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. At the centre of our client's culture is freedom and openness which takes ...

Lead Software Engineer - Mobile Development (Crypto Wallets) - 100% remote

Hiring Organisation
Tether.io
Location
Chelmsford, Essex, UK
Employment Type
Full-time
quality and architectural alignment, and contribute to backend services or APIs when required to support mobile functionality. Integration: Work closely with backend developers, integrate Javascript SDKs, libraries, and backend services into mobile applications, and extend backend logic when needed to complete end-to-end features. Collaboration: Collaborate with product managers … security across mobile applications. Mandatory Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these. Highly proficient in JavaScript and ES6+. Experience with CI/CD pipelines for mobile development. Familiar with modern front-end pipelines and tools. Experienced with Native modules (C++) , WebSockets ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Chelmsford, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give … friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Oracle APEX Developer

Hiring Organisation
Namos Solutions
Location
Chelmsford, Essex, UK
Employment Type
Full-time
relevant - VBCS. Design and develop custom web applications using Oracle APEX (and, where relevant, VBCS) Build clean, user-friendly interfaces using HTML, CSS, and JavaScript Work with practice directors, project managers, and clients to gather requirements and shape project scope Produce technical design documentation and system specifications Focus on database … custom web applications using Oracle APEX Strong understanding of Oracle database architecture, SQL and PLSQL Excellent user interface design skills using HTML, CSS, and JavaScript Experience with using REST Services and JSON Strong problem-solving and debugging skills Familiarity with Oracle Cloud Services (Fusion Data Migration, Integration, or Reporting ...

Enterprise Integration Architect

Hiring Organisation
ADP
Location
Chelmsford, Essex, UK
Employment Type
Full-time
solutions with other clients applications Configuration of the WorkForce Software (WFS) Suite (Time, Scheduling, Integrations, etc.) according to the client's business requirements using JavaScript, HTML, or other scripting tools Confirmation and refinement of business requirements, documenting code, maintaining revisions, testing and developing quality assures practices with the client … solution architecture, systems integrations, or similar. You should possess a minimum of 5 years' experience with SQL writing complex queries as well as with JavaScript, HTML and other scripting tools. Hands on design, development, deployment, and maintenance of integration processes between applications across cloud and/or on-premises using ...