ECMAScript Job Vacancies

726 to 750 of 3,481 ECMAScript Jobs

.Net Development Manager

West Midlands, United Kingdom
Halian Technology Limited
Frequency. About You: A proven engineering leader with a background in Digital Software Development, ideally in fast-paced, customer-facing environments. Strong experience with modern technologies including .NET, Node.js, JavaScript frameworks (React, Vue.js), Kotlin, Swift, and API integrations. Skilled in building cloud-native solutions on Azure or AWS, with IaC, observability, and HA/DR patterns in mind. Strong knowledge More ❯
Employment Type: Permanent
Salary: £75,000
Posted:

Solution Architect(Mobile Technology,UI/UX)

London, South East, England, United Kingdom
KBC Technologies UK LTD
Zereheight for design systems. Experience creating automation processes for component governance. In-depth knowledge of design patterns, UI/UX principles, and front-end technologies such as HTML, CSS, JavaScript, and BeastNative. Strong understanding of software architecture principles. Experience with version control systems (e.g., Git), package managers, and dependency management tools. Excellent communication and interpersonal skills, with the ability to More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Bespoke & Integration Specialist

Birmingham, West Midlands, United Kingdom
Crimson
improvement and growth. Essential Technical Skills: Angular C#/.NET Core/.NET 6+ ASP.NET MVC/Web API SQL & SQL Server Entity Framework/EF Core TypeScript/JavaScript Unit testing frameworks: (NUnit, XUnit, MSTest) Mocking frameworks: (Moq, NSubstitute, FakeItEasy) Desirable Skills: Microsoft Certifications (Azure, Web Development, etc.) Azure DevOps/CI/CD pipelines Power Platform - Power Automate More ❯
Employment Type: Permanent
Posted:

Senior Full Stack Web Developer

cardiff, United Kingdom
Gingerkid Executive Search
knowledge, and support each other's growth. What We're Looking For Proven experience leading development projects and mentoring other developers. Strong technical skills in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Solid understanding of Git, APIs, and package managers (e.g. Composer, NPM). Comfortable working with and improving legacy codebases. A proactive problem-solver who performs well under pressure. More ❯
Posted:

Senior Full Stack Web Developer

Newport, UK
Gingerkid Executive Search
knowledge, and support each other's growth. What We're Looking For Proven experience leading development projects and mentoring other developers. Strong technical skills in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Solid understanding of Git, APIs, and package managers (e.g. Composer, NPM). Comfortable working with and improving legacy codebases. A proactive problem-solver who performs well under pressure. More ❯
Posted:

Senior Full Stack Web Developer

Cardiff, South Glamorgan, Wales, United Kingdom
Gingerkid Executive Search
knowledge, and support each other's growth. What We're Looking For Proven experience leading development projects and mentoring other developers. Strong technical skills in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Solid understanding of Git, APIs, and package managers (e.g. Composer, NPM). Comfortable working with and improving legacy codebases. A proactive problem-solver who performs well under pressure. More ❯
Employment Type: Permanent
Salary: £60,000
Posted:

Freelance Fullstack Developer (Node/Fastify, React/Next) Freelance Engineering London

London, United Kingdom
Hybrid / WFH Options
Elsewhen
app and c hatbot channels are highly performant, resilient, secure and monitored in production. Key Requirements: Strong experience withNext.js, React.js,Node.js (Fastify), Redux, GraphQL Proficient in Typescript and modern JavaScript (ES6+) Experience withAEM (Adobe Experience Manager) as headless CMS Familiar with headless commerce frameworks Familiar withChakra-UI/Custom-UI, Storybook, Chromatic, Experience withAirTable Experience withAPI integration (RESTful, GraphQL, Magento More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer

United Kingdom
PortSwigger Ltd
Effective coding, navigation and refactoring within an IDE (we use IDEA and Rider). Experience with technologies such as Kubernetes, Docker, and AWS. Experience with SQL, API design and JavaScript is crucial for our .NET developers and beneficial, but not required, for Java. Ability to learn new technologies quickly and adapt to different programming stacks. Strong collaboration and communication skills More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior DevOps Engineer

Washington, Washington DC, United States
Hybrid / WFH Options
U.S. News & World Report
Debian, CentOS, RHEL) At least 3 years maintaining public cloud production-ready workloads (AWS, GCP, Azure) At least 3 years of experience working with a programming language (Python, Java, Javascript/Node.js, Ruby) It would be nice if you had: Cloud Professional certification (AWS, GCP, Azure) Security experience Infrastructure as code (e.g. CloudFormation, Terraform) CI and orchestration systems (e.g. Jenkins More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Software Engineer

Trafford Park, Trafford, Greater Manchester, United Kingdom
Dorchester Search & Selection
experience as a Software Developer or Software Engineer . Strong experience with Azure cloud services , including app services, databases, and security protocols. Proficiency in programming languages such as Python, JavaScript, C#, or equivalent. Experience with SQL and NoSQL databases. Strong problem-solving skills with the ability to work independently and collaboratively. Experience with Agile development methodologies and version control systems More ❯
Employment Type: Permanent
Salary: £30000 - £40000/annum Flexible Basic + Bonus + Benefits
Posted:

Cloud DBA

London, United Kingdom
BNB Chain
and monitoring tools. Knowledge of containerization and orchestration technologies (Docker, Kubernetes). Familiarity with database security practices and compliance standards. Scripting and automation skills using languages like Python, Bash, JavaScript or similar. Familiarity with version control systems (Git) and CI/CD pipelines. Strong problem-solving skills and the ability to work effectively in a fast-paced environment. Excellent communication More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Automation Test Engineer

Leeds, Yorkshire, United Kingdom
Hybrid / WFH Options
Fruition Group
track record of building automation frameworks from scratch Hands-on with tools like Selenium , Cypress , Appium , or similar Skilled in at least one programming language (C#, Java, Python, or JavaScript) Experience working in Agile teams and modern software delivery pipelines Strong analytical mindset and attention to detail Excellent communication and problem-solving skills Bonus Skills: Experience integrating automated tests into More ❯
Employment Type: Permanent
Salary: GBP 60,000 Annual
Posted:

Senior Full Stack Developer

Birmingham, West Midlands, United Kingdom
Hybrid / WFH Options
ADLIB Recruitment
Shopify Apps using Node along with Express, Next, & react. Strong experience with Shopify APIs and Third-Party APIs (GraphQL and/or REST). Strong experience with HTML5, CSS3, JavaScript, and Liquid is a must. Experience with SQL Databases (Postgres, MongoDB) and Web Servers (nginx, Apache, etc). Experience with Git/Version Control Ideally experience with other Backend Languages More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

AI Software Developer with Security Clearance

Chantilly, Virginia, United States
MANTECH
experience Experience with configuring and developing in a major public cloud system such as Oracle, Azure, AWS, or GCP. Experience in programming and/or scripting languages such as JavaScript, Python, C++, or Java. Experience with software development frameworks and tools (e.g., TensorFlow, PyTorch, Flask, Docker). Strong understanding of software engineering principles, including design patterns, data structures, and algorithms. More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Quality Engineering Lead

London, United Kingdom
Applicable Limited
technical and non-technical audiences Knowledge of GenAI & QE developments Experience building advanced automation frameworks using object-oriented and scripted languages Proficiency in at least two of the following: JavaScript/TypeScript, Java, C#, Python Strong understanding of OOP principles Experience working in Agile teams, designing automated tests, and ensuring test coverage Ability to collaborate with developers and understand CI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Expert Software Engineer with Security Clearance

Reston, Virginia, United States
Leidos
need to work in a team environment where collaboration, cooperation, synergy, and teamwork are essential Desired Qualifications (experience working with/in): Experience working in Cloud environments (e.g., AWS) JavaScript, JSON, Python, SQL, YAML, XML Databases: Oracle, Oracle RDS, DynamoDB Software: GitHub/Git, Apache, Tomcat, ActiveMQ, the ELK stack, Jenkins, Rundeck, Puppet, NAGIOS Original Posting: May 1, 2025 For More ❯
Employment Type: Permanent
Salary: USD 227,950 Annual
Posted:

Lead Software Developer

Woking, Surrey, South East, United Kingdom
TEAM
delivery timelines. Guiding the team in adopting best practices around architecture, performance and maintainability. Tech Stack Youll Be Working With: Languages & Frameworks: C#, .NET Core, Web API, React, AJAX, JavaScript, WPF Database: SQL Server Tools: AWS, Azure Devops, Entity Framework, Git, Unit testing/mocking frameworks Practices: Agile, SCRUM, CI/CD pipelines, performance reviews, code refactoring Were looking for More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Java Developer with Security Clearance

Nebraska, United States
TEKsystems c/o Allegis Group
GSPS2) Top Skills: 1. Java 2. Ext JS 3. Agile Secondary Skills (Nice to Have): • Familiarity with development tools: Eclipse, Jenkins, GitLab, Gradle, GIT, JUnit, Selenium, JIRA • Experience with JavaScript Frameworks/Libraries (Ext JS, React/Angular/Vue), CSS, and HTML • Experience with CI/CD Pipelines • Experience with Web Services (REST) or JSON/XML Job Description More ❯
Employment Type: Permanent
Salary: USD 145,600 Annual
Posted:

Test Engineer with Security Clearance

Chantilly, Virginia, United States
Kavaliro
CI/CD) pipelines and tools such as Jenkins or Git CI/CD. Experience with cloud platforms such as AWS or Azure. Understanding of web technologies (HTML, Java, JavaScript) and web application architectures. Experience with Agile methodologies and tools such as Jira and Confluence.Location: Chantilly, VA This position is onsite and there is no remote availability.Clearance Requirement: Candidates must More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Fullstack Developer - Backend Specialization with Security Clearance

Reston, Virginia, United States
SilverEdge
Primary Duties Develop backend software solutions using modern frameworks and technologies. Design and implement APIs, including REST architectures. Write efficient SQL queries and maintain databases. Work with TypeScript or JavaScript in a Node.js environment, leveraging frameworks such as Express. Analyze system needs and ensure solutions account for architectural and operational requirements. Contribute to Agile development practices, including sprint planning and More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Software Engineer with Security Clearance

Arlington, Virginia, United States
Redhorse Corporation
knowledge of multimedia processing, analysis, and data management. Direct and recent experience building a petabyte-scale multimedia analysis platform. Proficiency in Java programming language. Proficiency in front-end technologies: Javascript, HTML, CSS, and Vue. Familiarity with Agile development methodologies and CI/CD practices. Demonstrated ability to lead a technical team. Strong problem-solving skills. U.S. Citizenship and ability to More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Staff Software Engineer

Edinburgh, United Kingdom
Hybrid / WFH Options
N-able Technologies Ltd
efficient code Understanding of the fundamental design principles behind scalable applications Knowledge of the design principles like SOLID, TDD, etc. Knowledge of C#/.NET, Angular Expert skills in ECMAScript, TypeScript, HTML5, CSS3 Experience with automated testing (unit, integration, E2E tests) Understanding of the relational databases and SQL, object-relational mapping Understanding of the networking terms, concepts, protocols, security Purple More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Engineer - ServiceNow Platform with Security Clearance

Reston, Virginia, United States
Hybrid / WFH Options
Argo Recruiting
user experience) Direct experience with ITSM, ITAM, SecOps, and GRC modules (TPRM is a plus) Experience leading technical teams (mentorship, guidance, project leadership - not people management) Strong scripting skills (JavaScript, Glide) and experience with Service Portal (HTML, CSS, AngularJS, SASS, Bootstrap) Hands-on experience integrating ServiceNow with external systems (REST/SOAP APIs, Integration Hub, Spokes) Familiarity with Perl or More ❯
Employment Type: Permanent
Salary: USD 180,000 Annual
Posted:

Salesforce Developer

Reading, Oxfordshire, United Kingdom
Hybrid / WFH Options
ProvenWorks
Cover Letter for this role. Candidates with experience of; Salesforce Engineer, Salesforce Integration Developer, Salesforce, Software Developer, App Designer, IT Engineer, Web Development, Application Developer, Java, Technical Support Engineer, JavaScript, App Developer, Web Engineer, Skilled Web Developer, Senior Web Developer, Senior Web Design, Lead Web Development, Experienced Web Developer will also be considered for this role. More ❯
Employment Type: Permanent
Salary: GBP 45,000 - 65,000 Annual
Posted:

Full Stack Developer

Kraków, Małopolskie, Poland
Aristocrat Interactive
support What We're Looking For 5+ years as a Full-stack Node.js\Nest.js developer - must have; Experience with React, Redux; Experience with MySQL, TypeORM, and Redis Experience in JavaScript, TypeScript - nice to have CSS, HTML; Experience with Azure DevOps, Coralogix, and Datadog will be a plus. Understanding of CSS3, HTML5 and responsive design concepts ; Excellent debugging skills to identify More ❯
Employment Type: Permanent
Salary: PLN Annual
Posted: