1,101 to 1,125 of 2,753 ECMAScript Jobs

Develop digital and paper-based prototypes quickly to test ideas Contribute to inclusive design practices that meet accessibility standards Code low-fidelity or functional prototypes using HTML, CSS, and JavaScript when needed Required Skills and Experience Active SC (Security Check) clearance Hands-on experience applying Government Digital Service standards and design principles Familiarity with GDS prototyping toolkit Proficiency with industry More ❯

in coordination with caching layers Conduct rigorous testing across frontend/middleware components Collaborate closely with the founder in a hands-on, autonomous build role Tech Stack: React (JSX, JavaScript), Tailwind CSS Node.js APIs Auth0, MongoDB, Redis API integration with downstream AI systems The Ideal Candidate will have experience in the following: Proven experience delivering production React frontends and Node.js More ❯

deliver new features. Provide technical support and documentation for new site features. What You’ll Bring Solid experience in full-stack or web development. Strong skills in HTML, CSS, JavaScript, and PHP (or a similar backend language). Experience working with CMS platforms and templating systems in a live environment. Familiarity with Git, version control, and API integrations. Strong communication More ❯

standards. Participate in sprint planning, code reviews, and continuous improvement initiatives. Essential Skills Strong experience with Python (Django, Flask, or FastAPI). Experience building Vue.js front-ends or similar JavaScript frameworks. Proficiency with AWS (Lambda, S3, ECS, CloudFormation, etc.). Familiarity with CI/CD pipelines and automated testing. Understanding of data security, governance, and accessibility in public sector contexts. More ❯

relevant experience 8+ years of software engineering experience, including a successful track record developing customer-facing SaaS/PaaS products. 5+ years of experience with React, Redux, all things JavaScript/TypeScript and the tools of the React ecosystem such as node and npm. Excellent application design and coding skills. Demonstrated ability to own and deliver significant priorities for a More ❯

related degree An interest in C# development A passion for tech A hunger to learn It'd be great if you had experience with: C# .Net Frameworks/Core JavaScript What's in it for you? Salary is dependent on experience but will be up to circa £25k , and will include a program of mentorship that will enable you to More ❯

system integration, and application enhancement. Strong analytical and problem-solving skills, with the ability to communicate technical concepts clearly. Nice to have (but not essential): Familiarity with HTML, XSLT, JavaScript, or ASP.Net for customisation and web integration. Why Join? Be part of a team that values innovation and empowers you to shape how technology supports legal services. Work in an More ❯

software solutions that transform the legal industry. In this role, you'll collaborate with developers and stakeholders to design, build, and maintain scalable applications using technologies such as Python, JavaScript, TypeScript, alongside other techs dependent on client, however this company is tech agnostic. You'll contribute to projects across the full stack, developing APIs, experimenting with new tools, and supporting More ❯

DevOps. We are looking for a Senior SEIT ideally with automation framework creation experience. WHAT WE’RE LOOKING FOR... Enthusiasm and drive. Experience or knowledge of automation frameworks with JavaScript and Playwright and/or Cypress. Strong knowledge of Agile methodologies. API Testing experience using Postman Knowledge of CI/CD Exposure or Knowledge of Mobile Testing and Browsterstack WHAT More ❯

helping unblock a teammate. Senior React Engineer - What You'll Need: Strong track record in frontend engineering roles, with a focus on web applications Deep commercial experience with modern JavaScript, especially React Advanced experience using GraphQL in production Background in tech-first or product-led environments Familiarity with UI/UX design tools such as Figma is a nice bonus More ❯

software solutions that transform the legal industry. In this role, you'll collaborate with developers and stakeholders to design, build, and maintain scalable applications using technologies such as Python, JavaScript, TypeScript, alongside other techs dependent on client, however this company is tech agnostic. You'll contribute to projects across the full stack, developing APIs, experimenting with new tools, and supporting More ❯

User Interactive web pages; Designing UI components with Test-Driven Development approach; Configuring and deploying CI-CD Jenkins pipelines to OCF cloud platforms; and Using: ReactJS, Redux, React-Bootstrap, JavaScript, Yarn, Maven, Spring Boot, Jasmin, Cucumber, Jest, SoapUI, Pivotal Cloud Foundry, Splunk, Grafana, and AppExpress. Requires a Bachelors or foreign equivalent degree in computers or engineering Salary: $150,301. Standard More ❯

in procedural SQL (e.g. PL/SQL, T-SQL, MySQL stored procedures) Exposure to ACCELL/SQL (4GL) Unix or AIX shell scripting experience Working knowledge of frontend integration: JavaScript, jQuery, XML, Apache, Nginx Day-to-Day Responsibilities Build and maintain high-performance, business-critical web applications Design and implement scalable, maintainable backend architectures Develop and integrate RESTful APIs and More ❯

Platform Strong functional solution knowledge of Dynamics 365 Customer Engagement/CRM Omnichannel/Customer Service project experience - preferably including D365 Contact Centre Technical competency/knowledge including C#, Javascript, Visual Studio, Team Foundation Server, and experience across CI/CD Full Power Platform programme delivery experience (inc. Power Automate, Power Apps, Power Pages) Competency across the wider Microsoft technology More ❯

looking for someone curious, detail-oriented, and proactive - someone who enjoys experimenting, prototyping, and bringing clean, functional design to life. Qualifications Core Skills Strong foundation in HTML, CSS, and JavaScript (ES6+) Experience with React, Next.js, or similar frameworks (or willingness to learn) Familiarity with data visualisation tools (Chart.js, D3.js, Toast UI, etc.) Understanding of UX principles, accessibility, and responsive design More ❯

leadership and team spirit Comfortable with customer relations and ability to understand business challenges Mastery: Languages: Java , XML Databases: Oracle, SQL Server PTC solution: Windchill Would be an asset: Javascript, HTML, CSS Docker, Unix, Linux, Windows PTC Solution : Thingworx Remote working position, ideally based in Stevenage or London with occasional travel to our clients' sites as part of the role. More ❯

leadership and team spirit Comfortable with customer relations and ability to understand business challenges Mastery: Languages: Java , XML Databases: Oracle, SQL Server PTC solution: Windchill Would be an asset: Javascript, HTML, CSS Docker, Unix, Linux, Windows PTC Solution : Thingworx Remote working position, ideally based in Stevenage or London with occasional travel to our clients' sites as part of the role. More ❯

As Full Stack Engineer (AI) you will: Design and deliver personalised, AI-powered platform features using LLMs, recommender systems, and reinforcement learning. Ship production features in React (TypeScript/JavaScript) and Python (FastAPI, SQLAlchemy). From ML pipelines to frontend polish and trick debugging, you'll touch every part of the product journey. Experiment with the latest AI tools (think More ❯

developing custom plugins and modules within Craft. Familiarity with integrating third-party APIs and external systems. Experience of version control using Git. Understanding of front-end technologies (HTML, CSS, JavaScript) and ability to work full-stack when required. Ability to write clear, maintainable and well-documented code. Desired skills: Experience managing hosting environments and deployment workflows. Knowledge of performance optimisation More ❯

updates and improvements. Work within a Git-based version control workflow and support clean deployment processes. Requirements 4+ years’ experience in professional WordPress development. Strong PHP, HTML5, CSS3, and JavaScript (ES6+) skills. Proven experience developing custom themes from scratch. Hands-on experience with Advanced Custom Fields (ACF) or similar tools. Experience writing and maintaining custom plugins . Familiarity with Git More ❯

advanced cartographic design principles, symbology, and map production workflows Programming abilities: Proficiency in Python, R, SQL, or similar languages for data analysis and automation Experience with web GIS development (JavaScript, HTML5, CSS) Knowledge of remote sensing and image analysis techniques More ❯

experience in Java will include software design principles and familiarity with algorithms and data structures. What experience you'll have ● Database knowledge (SQL, schema design) ● Java ● Some knowledge of JavaScript and Node.js ● HTTP ● Json ● Web Development ● Proactive attitude ● Ability to own projects, work both independently and in a team, with rapidly changing priorities ● Core knowledge of algorithms and data structures More ❯

experience in Java will include software design principles and familiarity with algorithms and data structures. What experience you'll have ● Database knowledge (SQL, schema design) ● Java ● Some knowledge of JavaScript and Node.js ● HTTP ● Json ● Web Development ● Proactive attitude ● Ability to own projects, work both independently and in a team, with rapidly changing priorities ● Core knowledge of algorithms and data structures More ❯

applications or websites; 4) A minimum of six (6) months of demonstrated experience in creating technical documentation; 5) A minimum of six (6) months of demonstrated experience in using JavaScript, HTML, and CSS for website development. Bachelors Degree in Computer Science, Electrical and Computer Engineering, or a related field (foreign equivalent is acceptable). Required knowledge must include the following More ❯

is a great place to continue developing your technical skills. Requirements: Commercial-grade experience developing and maintaining complex systems in C/C++ Familiarity with web UI technologies (HTML, JavaScript, etc) and Linux systems Strong academic background including a 1st or 2:1 or PhD in a numerate subject and A s or A s in Maths and Physics at More ❯