1 to 25 of 52 JavaScript Jobs in Hertfordshire

5+ years' experience specifically with microservices development 2+ years hands-on web services design and development experience Proficient in two or more of Java, JavaScript, Python, Scala, C++/C#/.Net and React or Angular Containerized software applications, platforms, and tools including Kubernetes, Docker Good understanding of software development More ❯

5+ years' experience specifically with microservices development 2+ years hands-on web services design and development experience Proficient in two or more of Java, JavaScript, Python, Scala, C++/C#/.Net and React or Angular Containerized software applications, platforms, and tools including Kubernetes, Docker Good understanding of software development More ❯

5+ years' experience specifically with microservices development 2+ years hands-on web services design and development experience Proficient in two or more of Java, JavaScript, Python, Scala, C++/C#/.Net and React or Angular Containerized software applications, platforms, and tools including Kubernetes, Docker Good understanding of software development More ❯

ASP.NET MVC, C#, and Azure SQL. Knowledge of software development methodologies (Agile, Scrum) is of interest. Our client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban. This is a truly More ❯

professional software development standards No fewer than 3 years of experience building APIs and web applications. Some experience in front-end technologies (HTML, CSS, JavaScript, frameworks such as React, or Angular). No fewer than 3 years of experience in back-end development with technologies like Node.js, .NET, Python, etc. More ❯

a full-stack development role, practicing professional software development standards Experience building APIs and web applications. Some experience in front-end technologies (HTML, CSS, JavaScript, frameworks such as React, or Angular). Strongexperience in back-end development with technologies like Node.js, .NET, Python, etc. Proven experience as a Full Stack More ❯

skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential : Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles More ❯

Technical Expertise Understanding of transformer architectures, and large-scale language models. Experience with data engineering, model optimisation, and distributed computing. Strong programming skills in JavaScript, or Python/other AI-related languages. Strong SQL and data analytics skills. Familiarity with cloud platforms (AWS and Azure) for AI deployment. Knowledge of More ❯

Technical Expertise Understanding of transformer architectures, and large-scale language models. Experience with data engineering, model optimisation, and distributed computing. Strong programming skills in JavaScript, or Python/other AI-related languages. Strong SQL and data analytics skills. Familiarity with cloud platforms (AWS and Azure) for AI deployment. Knowledge of More ❯

UK Government projects. ?? Key Skills & Technologies: Core Expertise: Microsoft Power Platform (Power Apps, Power Automate, Power BI) Desirable/Environment Tools: Java, Spring Boot JavaScript/TypeScript, React SQL Server, PostgreSQL, MongoDB Kafka, ActiveMQ, ElasticSearch Docker, REST, API Gateways AWS, Jenkins, Ansible WSO2 We're open to those transitioning from More ❯

UK Government projects. ?? Key Skills & Technologies: Core Expertise: Microsoft Power Platform (Power Apps, Power Automate, Power BI) Desirable/Environment Tools: Java, Spring Boot JavaScript/TypeScript, React SQL Server, PostgreSQL, MongoDB Kafka, ActiveMQ, ElasticSearch Docker, REST, API Gateways AWS, Jenkins, Ansible WSO2 We're open to those transitioning from More ❯

UK Government projects. ?? Key Skills & Technologies: Core Expertise: Microsoft Power Platform (Power Apps, Power Automate, Power BI) Desirable/Environment Tools: Java, Spring Boot JavaScript/TypeScript, React SQL Server, PostgreSQL, MongoDB Kafka, ActiveMQ, ElasticSearch Docker, REST, API Gateways AWS, Jenkins, Ansible WSO2 We're open to those transitioning from More ❯

and a minimum of 5 years' proven experience on medium-to-large scale platforms. Web Technologies Proficiency: At least 3 years' experience with XML, JavaScript, JSON, HTML, CSS, and other web/platform technologies. ITSM Expertise: Extensive experience in IT Service Management. Desirable Skills: Experience with Field Service Management, Security More ❯

right person will be friendly, flexible, hard-working and open to fast-paced environments! Essential Skills: 4+ years of experience React React Native HTML JavaScript Desirable Skills: Docker Azure Python Offered: Earn up to £65k annually Fully remote working Healthcare coverage Pension contributions 25 days holiday plus public holidays Accelerated More ❯

strategies, tools, and methodologies. Key Skills: Strong experience with test automation frameworks (e.g., Selenium, Cypress, Playwright). Proficiency in scripting and coding languages (e.g. JavaScript/TS, Java, Bash, Python). Hands-on experience with API testing using tools like Postman or RestAssured. Knowledge of performance and security testing best More ❯

like Process Builder and Lightning Flows including when to use them and their limitations • Knowledge of Lightning framework including Aura components, HTML, CSS and JavaScript • Experiences with Sales and Service clouds Nice to have • Salesforce Admin experience • Salesforce Lightning exposure • Experience with Pardot • Experience with CPQ • Good knowledge and experience More ❯

like Process Builder and Lightning Flows including when to use them and their limitations • Knowledge of Lightning framework including Aura components, HTML, CSS and JavaScript • Experiences with Sales and Service clouds Nice to have • Salesforce Admin experience • Salesforce Lightning exposure • Experience with Pardot • Experience with CPQ • Good knowledge and experience More ❯

Remote Start Date: ASAP Clearance:SC Eligible Must Have Government Experience Low Code OutSystems experience, OS developer certifications, Reactive development plus HTML, CSS and Javascript skills Good communication skills, Agile experience Existing SC clearance or at a minimum SC clearable and willing to go through SC with CPS (5 years More ❯

Remote Start Date: ASAP Clearance:SC Eligible Must Have Government Experience Low Code OutSystems experience, OS developer certifications, Reactive development plus HTML, CSS and Javascript skills Good communication skills, Agile experience Existing SC clearance or at a minimum SC clearable and willing to go through SC with CPS (5 years More ❯

Remote Start Date: ASAP Clearance:SC Eligible Must Have Government Experience Low Code OutSystems experience, OS developer certifications, Reactive development plus HTML, CSS and Javascript skills Good communication skills, Agile experience Existing SC clearance or at a minimum SC clearable and willing to go through SC with CPS (5 years More ❯

will have the opportunity to shape and finesse the approach and technology roadmap. Key skills required: Proven commercial experience WordPress HTML CSS PHP MySQL JavaScript Git Version Control Adobe Software including Photoshop, Illustrator and XD Desired Skills: Ecommerce, Magento or Woocommerce Google Analytics Cloudflare or Hubspot It is essential that More ❯

have the opportunity to shape and finesse the approach and technology roadmap. Key skills required: Proven commercial experience WordPress ACF HTML CSS PHP MySQL JavaScript Git Version Control Adobe Software including Photoshop, Illustrator and XD Desired Skills: Ecommerce, Magento or Woocommerce Google Analytics Cloudflare or Hubspot It is essential that More ❯

or demonstrable personal capacity) Experience working in a client-facing or customer service environment Comfortable with Microsoft Office tools and ideally Jira Exposure to JavaScript, jQuery, React, or MySQL is a plus Willingness to travel and work on-site in the UK and abroad, sometimes at short notice Next Steps More ❯

or demonstrable personal capacity) Experience working in a client-facing or customer service environment Comfortable with Microsoft Office tools and ideally Jira Exposure to JavaScript, jQuery, React, or MySQL is a plus Willingness to travel and work on-site in the UK and abroad, sometimes at short notice Next Steps More ❯

Whilst this role is more focused towards back end infrastructure, you should also have a solid understanding of front end technologies: HTML, CSS and Javascript Responsive web design What We Offer An exciting and supportive culture where you can explore ideas to develop and grow professionally and personally. Competitive salary. More ❯