76 to 100 of 3,759 Permanent ECMAScript Jobs

and an ability to deliver innovative solutions that align with business objectives. Experience Requirements Software Development & Principles Programming Languages: Proficiency in one or more of: Java, Spring Boot, Python, JavaScript, TypeScript, ReactJS SOLID Principles: Familiarity with object-oriented and clean coding practices Testing & BDD Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar tools Domain-Specific Languages: Knowledge More ❯

/proof of concept as necessary to mitigate risk or implement new ideas Required Qualifications: 3+ years of experience as Java Developer focused on Spring MVC Framework. 3+ of JavaScript Framework coding and webapp integration 2+ years basic/working Knowledge of Linux environments. 2+ years working Knowledge of Source Control Management (SCM), Rapid Development cycles and automated deployment services More ❯

of the following specific technologies: OData, REST, SOAP, FTP/SFTP, JDBC, CSV, XML, JSON, XSL, encryption standards such as PGP, x509. Minimum 5 years of experience working on JavaScript, CSS3 and HTML5 and third-party libraries such as React Js, Angular, jQuery Minimum 5 years of experience working server-side programming languages such as Net, Java, Ruby and Python More ❯

applications and cloud-native solutions, with strong experience in Java server-side technologies, including Spring Boot Proficient in writing maintainable code in multiple languages such as HTML, Java, and JavaScript/TypeScript, with a solid understanding of data structures, design patterns, and algorithms Experience with public cloud technologies, as well as a passion for automation and familiarity with CI/ More ❯

Role: Tech Lead – Java Location: Dublin, London – UK Responsibilities Provide technical leadership and mentorship to the team. Participate in software requirement gathering. Create and maintain technical documentation. To write high-quality code to meet customer requirements. Able to troubleshoot, identify More ❯

Role: Tech Lead – Java Location: Dublin, London – UK Responsibilities Provide technical leadership and mentorship to the team. Participate in software requirement gathering. Create and maintain technical documentation. To write high-quality code to meet customer requirements. Able to troubleshoot, identify More ❯

Full Stack JavaScript Developer Our client is looking for a talented Full Stack JavaScript Developer to join a growing team building cutting-edge platforms that thousands use every day. This is a great opportunity for someone who loves solving real-world problems, writing clean code, and working across both the frontend and backend. Key Requirements 4+ years of commercial experience … working across both frontend and backend JavaScript (React + Node.js). Strong expertise in React, TypeScript, and modern CSS (SASS, styled components or similar). Solid backend development with Node.js, building and maintaining RESTful and/or GraphQLAPIs. Familiarity with cloud services (AWS, Azure, or GCP) and deploying applications in a containerised environment (Docker/Kubernetes). Good understanding of More ❯

mission-critical applications. The ideal candidate will have at least 8 years of hands-on software development experience, with advanced proficiency in Java/J2EE, Oracle, PostgreSQL, Spring Framework, JavaScript/React, and AWS. This role requires strong database development expertise, UI development experience, and the ability to deliver enterprise-grade solutions in an Agile federal environment. Key Responsibilities: • Develop … and RESTful APIs. • Lead the design and development of enterprise applications using Oracle and PostgreSQL, with advanced SQL and PL/SQL scripting. • Implement web-based user interfaces with JavaScript, AJAX, and React while ensuring Section 508 compliance. • Support full application lifecycle, including requirements gathering, analysis, design, development, testing, and production support. • Collaborate within Agile Scrum and Kanban teams using … security clearance. • Bachelor's degree in Computer Science, Engineering, or related field. • 8+ years of hands-on development experience in: • Java 8 (J2EE), Spring Framework 5+, Spring Boot 2 • JavaScript/AJAX, React, HTML, CSS • Hibernate 5+, RESTful Web Services • SQL/RDBMS, specifically Oracle and PostgreSQL • Apache Tomcat, Red Hat JBoss, Linux (RHEL/CentOS) • Eclipse IDE, Maven, Git More ❯

talented Full Stack Engineer to join their team on a permanent basis. The ideal candidate will possess extensive experience in developing robust web applications using Java, 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-edge technology solutions. Salary … be eligible to go through SC 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 etc Experience using Docker More ❯

month contract Based in Stevenage Offering up to £67ph Inside IR35 Do you have experience as a Full Stack Developer? Do you have experience with programming languages such as JavaScript? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Full Stack Software … the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Your skillset may include: Programming Languages - JavaScript, Typescript, HTML, CSS, C# Framework & Libraries - Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies - Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory Experience working on More ❯

drive the business forward, presenting a fantastic opportunity for those who join their journey. Role Overview They are looking for an experienced Front-End Developer with strong expertise in JavaScript to work on their core web-based platforms. The role involves designing, developing, and maintaining high-quality, user-friendly front-end applications that enhance the companys digital and e-commerce … issues. Detail-Oriented Anticipate growth and performance needs while ensuring compliance with web development best practices. Responsibilities Technical Excellence Develop and maintain scalable, high-performance front-end applications using JavaScript, TypeScript, and modern frameworks (React, Node, or Next). Work closely with designers, product managers, and back-end developers to implement seamless user experiences. Ensure applications are optimized for performance … culture, ensuring best practices are shared across the team. Communicate technical details effectively with both technical and non-technical team members. Essential Knowledge, Skills & Experience Skills Strong expertise in JavaScript, TypeScript, and modern front-end frameworks (React, Node, or Next). Deep understanding of HTML, CSS, and CSS preprocessors (SASS, LESS). Proficiency in responsive design and mobile-first development. More ❯

drive the business forward, presenting a fantastic opportunity for those who join their journey. Role Overview They are looking for an experienced Front-End Developer with strong expertise in JavaScript to work on their core web-based platforms. The role involves designing, developing, and maintaining high-quality, user-friendly front-end applications that enhance the company’s digital and e … issues. Detail-Oriented – Anticipate growth and performance needs while ensuring compliance with web development best practices. Responsibilities Technical Excellence Develop and maintain scalable, high-performance front-end applications using JavaScript, TypeScript, and modern frameworks (React, Node, or Next). Work closely with designers, product managers, and back-end developers to implement seamless user experiences. Ensure applications are optimized for performance … culture, ensuring best practices are shared across the team. Communicate technical details effectively with both technical and non-technical team members. Essential Knowledge, Skills & Experience Skills Strong expertise in JavaScript, TypeScript, and modern front-end frameworks (React, Node, or Next). Deep understanding of HTML, CSS, and CSS preprocessors (SASS, LESS). Proficiency in responsive design and mobile-first development. More ❯

and data-layer components, working within an Agile, cloud-based (Azure) environment. Key Responsibilities Full-stack development using C# .NET Core, Web API, Angular 9+, HTML/CSS, and JavaScript frameworks. Build and support Microservices, Azure Service Bus integrations, and containerized services (Docker). Develop and maintain APIs, web services, and enterprise data layers. Collaborate with cross-functional teams including … and maintain existing systems; implement business-driven enhancements. Skills & Experience Required Proficient in C# .NET Core/.NET Framework Strong front-end experience: Angular 9+, responsive HTML/CSS, JavaScript RESTful APIs, Web API, Microservices Azure Cloud, Service Bus, SQL Server, Docker (preferred) Familiarity with Entity Framework, GraphQL, and ETL processes Experience with Unit Testing, mocking frameworks, and secure coding More ❯

and data-layer components, working within an Agile, cloud-based (Azure) environment. Key Responsibilities Full-stack development using C# .NET Core, Web API, Angular 9+, HTML/CSS, and JavaScript frameworks. Build and support Microservices, Azure Service Bus integrations, and containerized services (Docker). Develop and maintain APIs, web services, and enterprise data layers. Collaborate with cross-functional teams including … and maintain existing systems; implement business-driven enhancements. Skills & Experience Required Proficient in C# .NET Core/.NET Framework Strong front-end experience: Angular 9+, responsive HTML/CSS, JavaScript RESTful APIs, Web API, Microservices Azure Cloud, Service Bus, SQL Server, Docker (preferred) Familiarity with Entity Framework, GraphQL, and ETL processes Experience with Unit Testing, mocking frameworks, and secure coding More ❯

Front-End App Developer to join a multidisciplinary delivery team focused on building a secure, modular, and scalable platform. This role is perfect for a developer with strong modern JavaScript framework experience, particularly React, and a deep understanding of agile delivery and secure development practices. You’ll play a key role in the handover, evolution, and future-proofing of a … communicating complex technical concepts to non-technical stakeholders Experience mentoring or supporting knowledge sharing within a team Desirable Skills: Experience building accessible web apps (WCAG compliance) Exposure to other JavaScript frameworks (e.g., Angular, Vue) Java 8+ experience AWS, Docker, Bash/Shell scripting knowledge Experience with MySQL-compatible databases (e.g., RDS, Aurora) This is a fantastic opportunity to contribute to More ❯

Front-End App Developer to join a multidisciplinary delivery team focused on building a secure, modular, and scalable platform. This role is perfect for a developer with strong modern JavaScript framework experience, particularly React, and a deep understanding of agile delivery and secure development practices. You’ll play a key role in the handover, evolution, and future-proofing of a … communicating complex technical concepts to non-technical stakeholders Experience mentoring or supporting knowledge sharing within a team Desirable Skills: Experience building accessible web apps (WCAG compliance) Exposure to other JavaScript frameworks (e.g., Angular, Vue) Java 8+ experience AWS, Docker, Bash/Shell scripting knowledge Experience with MySQL-compatible databases (e.g., RDS, Aurora) This is a fantastic opportunity to contribute to More ❯

quality software using C# and .NET in a collaborative agile environment Act as a subject matter expert for back-end development, with some exposure to front-end technologies preferred (JavaScript/TypeScript) Lead technical design and take ownership of system architecture and engineering decisions Work closely with product managers to translate business needs into actionable stories and deliverables Provide guidance … cloud-native deployment approaches What You’ll Need Expertise in C# and .NET with a strong grasp of software architecture and design principles Full-stack experience preferred, especially with JavaScript or TypeScript Demonstrable experience leading technical teams delivering scalable distributed systems Proficiency with RESTful APIs, microservices, and secure coding best practices Familiarity with at least one major cloud platform (Azure More ❯

mentor team members, while contributing to a culture of engineering excellence, continuous delivery, and user-focused development. Key Responsibilities Build scalable, reusable, and accessible web interfaces using React , TypeScript , JavaScript , and CSS/HTML5 Apply structured UI/UX patterns with a focus on maintainability and performance Ensure consistent cross-browser experiences and responsive design Work with component libraries (e.g. … tuning, security, and UI testing Take a hands-on role in feature ownership, code reviews, and mentoring junior engineers Essential Experience Strong commercial experience with React 16+ , TypeScript 4+ , JavaScript (ES6) , and JSX Demonstrated delivery of modern, performant front-end solutions in a production setting Expertise in building reusable UI components and responsive layouts Familiarity with automated testing tools and More ❯

Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. 6+ years of experience in systems software development in JavaScript Full stack experience with front end UI development JavaScript development experience with Typescript, Angular, React, Vue.js, ExtJS and/or Node.js Hands-on experience working with Elasticsearch, Mongo DB, Node More ❯

as a Full Stack Software Developer/Software Engineer with a proven track record of delivering high-quality software solutions. Proficiency in front-end technologies such as HTML5, CSS3, JavaScript and front-end frameworks/libraries such as Angular, React or Vue.js. Experience of Angular and/or AngularJS is a distinct bonus! Strong experience working with back-end development … NOT a fully remote position. KEYWORDS Full Stack Software Developer, Software Developer, Software Engineer, Front-end, Back-end, .NET, C#, APIs, Coding Standards, Best Practice, Design Patterns, HTML5, CSS3, JavaScript, Angular, AngularJS, React, Vue.js, Databases, SQL Server, SQL, TSQL, Redis, Database Optimisation, Version Control, GIT, DevOps, CI/CD, Automated Testing, Testing, Pipelines, Cloud, Azure, AWS, Google Cloud. Please note More ❯

interfaces maintained under configuration control Develop automated tests using Ansible, Selenium, JMeter, Junit and/or other applicable tools. Design, develop, document, test and deploy software written in Python, JavaScript, Java and SQL. Deploy, configure, test, troubleshoot, maintain, update/upgrade of Kafka and Elastic clusters and environments. Work with an Agile team, attend daily scrums and demonstrate working software … in the AWS Cloud Experience automating and containerizing application deployments using technologies such Jenkins (CloudBees), Artifactory, Kubernetes, Docker, Ansible Experience developing system integrations using JSON REST, SOAP, SQL, Java, JavaScript and other integration technologies/languages. Working knowledge of Git and experience with development workflows in GitHub, Bitbucket or an equivalent tool At least 7 years of experience is required More ❯

The program is specifically seeking candidates with OpenTable format/PySpark experience, backend API technology such as Python (FastAPI), Java, SpringBoot, and RESTful design patterns best practices. Experience with JavaScript + UI framework (Angular, React, Vue, etc), Docker, AWS, and Terraform. Additionally, the program is seeking experience with Kubernetes. Details: Labor Category: Software Engineer Position Title: CDEP Software Developer Position … PySpark. • Demonstrated experience with backend API technology such as Python, Java, and SpringBoot, and experience using RESTful API design patterns, standards, and best practices. • Experience in client-side technologies (JavaScript, UI Framework, Angular, React, Vue, etc.). • Demonstrated experience and technical understanding of AWS. • Demonstrated experience with Docker, Terraform, and Kubernetes. • Demonstrated experience working with Agile software development and DevOps More ❯

of software design Required Skills & Experience Essential You must have all of the following: Professional experience building server-side applications in Python Professional experience building client-side applications in JavaScript Professional experience with SQL and RDBMS technology (PostgreSQL, SQLite, or similar) Professional experience integrating front-end and back-end components Professional experience creating and running automated tests Excellent analytical and … other distributed version control systems UK citizenship or permanent residency required Fluent written and spoken English Desirable Ideally, you'll have some of the following: Experience with React in Javascript Experience working with Docker containers Experience with Geospatial Information Systems (GIS) or web mapping Experience within the telecommunications and/or utilities industries Knowledge of Node.js design and development Enterprise More ❯

The program is specifically seeking candidates with OpenTable format/PySpark experience, backend API technology such as Python (FastAPI), Java, SpringBoot, and RESTful design patterns best practices. Experience with JavaScript + UI framework (Angular, React, Vue, etc), Docker, AWS, and Terraform. Additionally, the program is seeking experience with Kubernetes. Details: Labor Category: Software Engineer Position Title: CDEP Software Developer Position … and PySpark. • Demonstrated experience with backend API technology such as Python, Java, and SpringBoot, andexperience using RESTful API design patterns, standards, and best practices. • Experience in client-side technologies (JavaScript, UI Framework, Angular, React, Vue, etc.). • Demonstrated experience and technical understanding of AWS. • Demonstrated experience with Docker, Terraform, and Kubernetes. • Demonstrated experience working with Agile software development and DevOps More ❯

International on a. This is a hands-on leadership role suited to a self-starter with strong technical expertise and a passion for building robust, scalable solutions using Node.js, JavaScript/TypeScript, and React. The successful candidate will be responsible for guiding technical direction, mentoring developers, fostering a high-performing team culture, and owning end-to-end project delivery. You … a related discipline - or equivalent practical experience. 8+ years of professional experience in software development, with demonstrable technical leadership. Essential Experience : Strong hands-on experience with Node.js, TypeScript/JavaScript, React (or Remix), SQL/NoSQL databases, and CSS. Proven track record of leading Agile development teams. Experience designing and building cloud-based, scalable applications. Familiarity with test-driven development More ❯