25 of 25 JavaScript Jobs in Chelmsford

Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/Javascript Experience within NHS or Healthcare sector is a must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python ...

application development (preferably Node.js) 8-10+ years of professional software engineering experience 5+ years working with modern front-end web technologies: HTML, CSS, JavaScript, React 5+ years working with server-side languages Desired experience working with IDM platforms (Okta, Auth0) Familiarity with container technologies (Docker) and microservices architectures, preferred ...

experience in front-end development, with a strong portfolio of responsive, design-driven builds. Deep understanding of HTML5, CSS3 (SASS/SCSS), and modern JavaScript (ES6+). Proven experience with front-end frameworks such as React, Vue, or Next.js. Excellent understanding of responsive design, cross-browser compatibility, and accessibility (WCAG ...

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 ...

relevant software engineering experience. Practical experience building, running and debugging distributed systems. Familiarity with containerisation and Linux systems. Strong proficiency at least one of JavaScript/TypeScript/Go. Excellent problem solving and communication skills. An enthusiasm for digging into problems with unknown solutions. Bonus If You: Built and maintained ...

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 ...

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/ ...

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/ ...

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 ...

external developers Contribute to technical decisions and best practices Essential Requirements 3+ years commercial software development experience Strong Ruby on Rails and modern JavaScript skills Front-end experience (HTML, CSS/SASS) Experience with PostgreSQL Git and Agile workflow experience ...

infrastructure, working with virtual filesystems and linux primitives. About You: 6+ years of relevant software engineering experience. Strong proficiency at least one of JavaScript/TypeScript/Golang, Golang preferred. You have extended experience with Containers, Virtual Machines, Linux. Practical experience building, running and debugging distributed systems. Excellent problem solving ...

UK. Some of our environments require security vetting and you should be comfortable undertaking that process. Skills & Requirements Significant C# and web-development experience Javascript/Typescript experience Experience programming using a functional approach (professional or hobby) Desirable Exposure to the LanguageExt library in C# ( Health industry work experience SaaS ...

scalable, and secure solutions that power Deel's global workforce and payroll services. Responsibilities You will develop high-quality, responsive web applications using TypeScript, Javascript, React, Express. Experience with NestJS, Vite, and Next.js is a plus. You will design and implement server-side APIs, data models, and business logic using ...

someone with experience of Braze, Bloomreach, Klaviyo, Adobe Campaign or SFMC and hands-on development experience in at least one of the following languages: JavaScript, Python, Java, CSS, or SQL and also with APIs (REST and/or SOAP), have a sharp eye for detail when it comes to testing ...

Processes (fka Integration Procedures) OmniScripts Skills in Apex (triggers, batch, web services) Integration Experience is beneficial (Mulesoft/APIGEE/Connected Apps) Experience of JavaScript/Lightning components Basic understanding of Apex sharing and security model Experienced with Lightning Web Components Skills in analysing and problem-solving issues Experience ...

maintain runbooks, automate diagnostics, and reduce human intervention using scripts or small tools. Automation and Git. Scripting or software skills in Bash, Python, or JavaScript (or equivalent) for operational tooling and integrations, and experience with Infrastructure Automation tools (Ansible, Puppet, Terraform, Chef) Cloud Infrastructure Administration and Troubleshooting. Strong familiarity with ...

Computer Science, Software Engineering, or a related technical field, or equivalent professional experience Proficiency in one or more programming languages (e.g., Python, Java, JavaScript, C++, etc.) Strong problem-solving and analytical skills Clear written communication skills to explain technical concepts Comfortable working independently and following structured instructions Attention to detail ...

Varies by project (1–3 months typical) Commitment: 10–40 hours/week Role Responsibilities: Develop and validate coding benchmarks in React, TypeScript, or JavaScript by curating issues, solutions, and test suites from real-world repositories. Ensure benchmark tasks include comprehensive unit and integration tests for accurate solution verification. Maintain ...

technical documentation and handover for future maintenance. Requirements Proven experience with Elasticsearch and search interface development. Strong proficiency in web development technologies (HTML, CSS, JavaScript, and relevant frameworks). Experience integrating MySQL databases and working with IDX data feeds. Familiarity with mapping APIs (e.g., Google Maps, Mapbox) for property display. ...

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 ...

Martech Strong understanding of attribution models, API and SDK usage, and modern data streaming architectures Strong handle on CMP functioning and integrations. Programming skills: JavaScript, SQL, Python. Governance & Privacy Solid understanding of GDPR and data privacy frameworks. Experience with DULE/LID methodologies is a plus. Commitment to reaching ...

.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 ...

Senior Javascript Developer - £70,000 - Remote (UK) This growing SaaS organisation provides world-class software used by global enterprises to help protect their people, culture, and operations. Their platform supports millions of cases across areas such as ethics, compliance, fraud, harassment, discrimination, and security—helping organisations reduce risk, strengthen governance … maintain safer, more transparent workplaces. They're now hiring a Senior Javascript Developer to join their remote-first engineering team. This role is perfect for someone who enjoys full-stack development, solving complex customer issues, and contributing to a product that delivers meaningful impact at scale. About the role ...

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 ...

across modules such as Sales, Customer Service, Marketing/Journeys, and Field Service. You'll apply your hands-on experience with C# plugins, JavaScript customisations, Power Apps, and PCF components to create solutions that genuinely improve how customers run their business. This is a great chance to stay close … delivery. What You'll Need Essential experience: Strong background in designing, configuring, and enhancing Dynamics 365 CE Hands-on experience building C# plugins and JavaScript customisations Exposure to Power Apps (Canvas/Model-Driven) and/or PCF development Understanding of ALM practices in enterprise environments Confident communicator able ...