1,176 to 1,200 of 2,749 ECMAScript Jobs

configuring commercial off-the-shelf applications, as well as integrating these systems within a broader enterprise ecosystem.In addition to in-application configuration, candidates will need technical skills in HTML, JavaScript, SQL, Git, and related tools. Additional information - The role title 'Senior Developer (SITS)' is for advertising purposes only. If successful, your role title will be Senior Developer (Student Systems). More ❯

commercial off-the-shelf applications, as well as integrating these systems within a broader enterprise ecosystem. In addition to in-application configuration, candidates will need technical skills in HTML, JavaScript, SQL, Git, and related tools. Additional information - The role title 'Senior Developer (SITS)' is for advertising purposes only. If successful, your role title will be Senior Developer (Student Systems). More ❯

applications built using the Power Platform. Lead in the design, configuration, and customisation of Power Pages (portals), Dynamics 365 and SharePoint Online solutions, including plugin development, custom workflow assemblies, JavaScript, and extended Azure/Office 365 integrations. Deliver innovative solutions using Dynamics 365, Power Platform (including Power Pages ) and SharePoint Online across all stages of the software development lifecycle. Create More ❯

skills for presenting both business-oriented solutions and advanced technical concepts Good knowledge of web development, preferably knowledge of HTML/CSS and at least one programming language like JavaScript, Java, PHP, or NodeJS Comfort using the command line or application logs to narrow down issues with technical integrations Proficiency in troubleshooting integrations using command line or application logs You More ❯

with responsive design, accessibility, and design systems. Excellent communication and presentation skills. Experience working collaboratively in agile, cross-functional teams. Desirable Skills Awareness of front-end technologies (HTML, CSS, JavaScript) to support collaboration. Experience with analytics tools such as Hotjar or Google Analytics. Knowledge of SEO, CRO, and A/B testing for data-driven design decisions. Understanding of WCAG More ❯

ServiceNow CIS certifications Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯

ServiceNow CIS certifications Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯

HAM/SAM, SPM, HR, CSM, etc.) Experience of operating in a Technical Design Authority mode and demonstrable trusted advisor experience Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Nice to have: Cloud migration experience GenAI experience ITILv4 or equivalent Certified SC clearance is desirable More ❯

with relevant (regional, vertical, etc.) data privacy and compliance requirements Familiar with solution selling Experience in sales/pre-sales strongly desired Related development experience (Go, Java or C#, JavaScript), mobile development, modern frameworks, etc. Experience of architectural frameworks such as TOGAF, Zachman, etc. Familiar with design thinking and similar principle Optimizely is committed to a diverse and inclusive workplace. More ❯

5+ ServiceNow CIS certifications Experience 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills - JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What's in More ❯

functional decomposition, requirements development, analysis, verification, and validation Technical understanding and experience with one (or more) of the following: Cameo, MSOSA, Rhapsody, DOORS, SysML, Cadece/Pspice, Python, C#, JavaScript, Visual Studio, Subversion, Azure DevOps, Git, CAFTA, ReliaSoft or FaultTree+ Preferred Qualifications (Desired Skills/Experience): Level 3 : 5 or more years' related work experience or an equivalent combination of More ❯

functional decomposition, requirements development, analysis, verification, and validation Technical understanding and experience with one (or more) of the following: Cameo, MSOSA, Rhapsody, DOORS, SysML, Cadece/Pspice, Python, C#, JavaScript, Visual Studio, Subversion, Azure DevOps, Git, CAFTA, ReliaSoft or FaultTree+ Preferred Qualifications (Desired Skills/Experience): Level 3 : 5 or more years' related work experience or an equivalent combination of More ❯

Agile etc. Understanding of infrastructure and network architecture. Proficient on both Windows and Linux operating systems. Have the ability to prototype and demonstrate using recognised tools and technologies e.g. JavaScript(Angular/React/Next.js), .Net, Powershell, SharePoint, Azure, Power BI, Power Platform and Umbraco CMS. Knowledge of business ecosystems, software as a service (SaaS), infrastructure as a service (IaaS More ❯

functional decomposition, requirements development, analysis, verification, and validation Technical understanding and experience with one (or more) of the following: Cameo, MSOSA, Rhapsody, DOORS, SysML, Cadece/Pspice, Python, C#, JavaScript, Visual Studio, Subversion, Azure DevOps, Git, CAFTA, ReliaSoft or FaultTree+ Preferred Qualifications (Desired Skills/Experience): Level 3: 5 or more years' related work experience or an equivalent combination of More ❯

Required: • Very experienced Java developer. • Experienced with Docker. • Comfortable with both Windows and Linux. • Elasticsearch\Kibana (ELK Stack) familiarity. • Niagara Files familiarity. • RabbitMQ familiarity. • Some Web Interface experience. React Javascript framework preferably. Clearance Level: TS/SCI w/Poly SP Other Important Information You Should Know Expression of Interest: By applying to this job, you are expressing interest in More ❯

develop interactive reports and dashboards using tools such as BIRT, Power BI, Crystal Reports, Excel, or Tableau. Experience in integrating enterprise platforms such as SAP or similar system. Strong JavaScript scripting skills for automation, workflow customization, and enhancing application functionality. Proven ability to create user training materials, technical documentation, and system guides for different user groups. Excellent interpersonal and communication More ❯

professional growth What You’ll Need: Strong experience with C# (.NET Framework & Core) and SQL/MySQL Skilled in building web services and single-page applications using HTML, CSS, JavaScript , and modern JavaScript frameworks Familiarity with TypeScript , ES standards , and NoSQL databases is a plus Solid grasp of OOP , design patterns , and software architecture Experience with message brokers , Git , and More ❯

professional growth What You'll Need: Strong experience with C# (.NET Framework & Core) and SQL/MySQL Skilled in building web services and single-page applications using HTML, CSS, JavaScript , and modern JavaScript frameworks Familiarity with TypeScript , ES standards , and NoSQL databases is a plus Solid grasp of OOP , design patterns , and software architecture Experience with message brokers , Git , and More ❯

UK*C/UKIC/eDV Cleared Senior/Lead Front-end JavaScript Developer - Consultancy (multiple locations available in the UK) - competitive salary and quarterly bonus ** Please note - due to the nature of work, all candidates must have enhanced DV clearance (UKIC/UK*C preferred) that is active and transferable We are looking for a Senior/Lead Front … end JavaScript Developer to join our consulting client. We have multiple locations available In this role, you will lead the development of an impactful web application for a public sector programme, ensuring high performance, scalability, and maintainability. You will work closely with cross-functional teams to deliver engaging solutions that meet the client's needs. Are you someone who could … mentorship to a team of developers, guiding them through best practices and ensuring high-quality code. Design, develop, and maintain front-end components of web applications using HTML, CSS & JavaScript Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems. Lead and participate in agile development processes, including sprint More ❯

how teams design and deliver software. You’ll bring: Proven experience in C#, .NET Core, and MVC, with a solid grasp of RESTful API design and development. Exposure to JavaScript frameworks such as React or Vue.js, and confident with core front-end skills (HTML, CSS, JavaScript). Experience developing and deploying in the cloud (Azure or AWS), ideally using Infrastructure More ❯

software delivery workflows across full software life cycles. Supporting activities during the project discovery phase. Required experience and skills: Hands on software engineering skills using various platforms and tools. JavaScript/Typescript experience. Any experience in C#, Java or Python will be beneficial. Experience with both Front End frameworks (React, Vue, or Angular) and Server Side JavaScript/TypeScript (Node.js More ❯

Programming (OOP) Experience in WebAPI and Unit Testing Experience with databases (Relational e.g., SQL, MySQL or SQLite, NoSQL e.g., MongoDB or Cassandra) Working knowledge of Web Development (HTML, CSS & JavaScript) Experience in at least one Agile Framework Experience in code review practices and supporting software in a production environment Experience with tackling performance and scalability issues on large, high-throughput … systems Advantageous: Experience with evolving architectures and cloud-native architecture (Azure, AWS or GCP) Knowledge of GIT usage and pull request etiquette Experience with JavaScript frameworks (e.g., Angular, React, Svelte, Vue, AngularJS, Knockout) Interest in containerisation (Kubernetes/Docker) Experience with continuous integration and continuous deployment (CI/CD) Aptitudes: Self-motivated and perseverant Methodical and disciplined approach to tasks More ❯

will see you working across our product suite, contributing to the design, development, and delivery of innovative software. Our tech stack includes C# (.Net Core), MySQL, HTML/CSS, JavaScript, and containerized workloads in AWS. What you’ll do At Optum UK, we believe in the power of technology to make healthcare faster, better, and more accessible. As part of … a team. We’re looking for someone with: Strong proficiency in C#, .Net Core, and MVC. Experience designing and developing RESTful APIs. Solid front-end skills including HTML, CSS, JavaScript, and React. Familiarity with microservices and containerization (Docker, Kubernetes). Experience with AWS and cloud-based deployments. Proficiency with MySQL and writing efficient SQL queries. Understanding of DevOps practices including More ❯

continuous integration, and collective code ownership. The role blends technical skill, product thinking, and craftmanship – ideal for someone who enjoys delivering high-quality digital products and working with modern JavaScript ecosystems Responsibilities • Build and maintain user-facing features using React.js and TypeScript • Develop scalable APIs using Node.js (TypeScript), supporting both REST and GraphQL • Integrate with headless CMS platforms such as … a collaborative, inclusive, and high-performing dev culture Skills and Qualifications • 2 years + experience as a Front End or Full Stack Developer • Proficient in React.js, TypeScript, and modern JavaScript (ES6+) • Familiar with Node.js and frameworks like Express or Apollo Server • Experience with REST and GraphQL APIs • Comfortable working with PostgreSQL or similar relational databases • Understanding of responsive design, accessibility More ❯

quality, drive innovation, and continually enhance the developer experience. What you’ll do Design, develop, and maintain high-quality applications using a diverse tech stack (.NET, C#, TypeScript/JavaScript, SQL/Postgres, AWS). Lead on technical delivery of new features and greenfield development across our platforms. Engage in Agile planning, estimation, and design discussions to shape solutions and … and business. About you A well-rounded full-stack developer with strong experience across modern web technologies. Proficient in: .NET/C# and Web API SQL & PostgreSQL TypeScript/JavaScript and frameworks (e.g., NestJS , React , Angular ) AWS and cloud-based development environments Familiar with Agile practices and modern DevOps principles. Able to work across modern and legacy codebases (including VB.NET More ❯