226 to 250 of 2,929 Permanent JavaScript Jobs

and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯

and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯

Development : Design and manage APIs using OpenAPI (YAML), SOAP, RESTful services, and GraphQL . Front-End Integration : Collaborate with front-end teams working with ReactJS, VueJS, Angular, TypeScript, and JavaScript to deliver seamless user experiences. Backend Expertise : Work with powerful backend technologies such as Apache Kafka, JMS, JTA, AMQP, and enterprise web services . Architecture Patterns : Implement event-driven architectures More ❯

are looking for .NET Developer who have experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .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 and MongoDB. These .NET Developer positions come with the More ❯

Contributing to the refinement of organisational processes & procedures Development work processes using the Scrum methodology Apprentices will gain experience in: C# with ASP.NET in Visual Studio HTML, CSS, Ajax, Javascript, jQuery, iOS Objective C/Swift. SQL Server/authoring fast SQL queries/sprocs AWS microservices APIs GIT Source Control Software architecture principles Agile development practices Key Details Vacancy More ❯

and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯

and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯

and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯

and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯

team player with a strategic outlook and rapid application development skills. Strong technical skills in at least one core programming language (Java or C#) and one scripting language (Python, JavaScript, ReactJS + TypeScript). Solid understanding of data structures and algorithms. Knowledge of web development, Equity Derivatives, Kafka, Kubernetes, Docker, SQL, KDB, Excel/VBA, and Unix programming is a More ❯

or SQL Server database experience may be considered. DoD application experience, including DISA STIGs a plus. Experience in any of the following desired: GitLab, C#, TypeScript, Visual Studio Code, JavaScript, React, Material UI, and/or Amazon QuickSight. Security Clearance: Must be eligible to obtain a Secret clearance. Active Secret clearance desired, interim Secret acceptable to start. Requirements to obtain More ❯

Jenkins CI/CD, Nexus, SonarQube SQL/NoSQL databases, basic Unix/Linux skills, TDD with JUnit Preferred additional skills Experience with Spring Boot and Hibernate Experience with JavaScript or other front-end technologies Building microservice architectures and event-driven systems Test automation: BDD, mocking, contract testing, SAST Knowledge of web technologies, data tooling, infrastructure, and networking About working More ❯

the GovCon industry. Location: Reston, VA Security Clearance: TS/SCI with Full Scope Poly Responsibilities: Participate in software programming initiatives to support innovation and enhancement, using HTML, CSS, JavaScript, Java, Python, SpringBoot, Hibernate, and Angular. Developing and directing software system validation and testing methods using Junit and Katalon Develop and integrate custom developed software solutions to leverage automated deployment More ❯

of software lifecycle and ability to interpret static code analysis Effective communicator and collaborative team player with attention to detail Preferred: Programming languages: C, C++, C#, .NET, Python, Perl, JavaScript, Ansible Frameworks: Spring, Vue.js Tools: Git, JIRA, Jenkins, Bitbucket, Confluence Platforms: Windows, Linux, Virtual Machines, OCI Containers Concepts: DevSecOps, TDD, CI/CD, container orchestration (e.g., Kubernetes) C2 Systems, STIG More ❯

of software lifecycle and ability to interpret static code analysis Effective communicator and collaborative team player with attention to detail Preferred: Programming languages: C, C++, C#, .NET, Python, Perl, JavaScript, Ansible Frameworks: Spring, Vue.js Tools: Git, JIRA, Jenkins, Bitbucket, Confluence Platforms: Windows, Linux, Virtual Machines, OCI Containers Concepts: DevSecOps, TDD, CI/CD, container orchestration (e.g., Kubernetes) C2 Systems, STIG More ❯

development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. Primary Responsibilities: Participate in software programming initiatives to support innovation and enhancement using HTML, CSS, JavaScript, Java, Python, SpringBoot, Hibernate, and Angular. Develop and direct software system validation and testing methods using JUnit and Katalon. Create and integrate custom-developed software solutions to leverage automated deployment More ❯

data capture (CDC) tools. Exposure to NoSQL databases or document stores (e.g., MongoDB, Couchbase). Experience writing and maintaining JUnit tests or other unit test frameworks. Familiarity with modern JavaScript frameworks (e.g., React, Angular). Experience with cloud platforms (e.g., AWS, Azure) and containerization (e.g., Docker, Kubernetes). Clearance Required: Secret with the ability to obtain TS/SCI Travel 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 More ❯

AWS services, with knowledge of Azure/Google ecosystems helpful but not required -?Strong familiarity with general modern web and mobile application development, including hands-on experience working with JavaScript (Typescript preferred) and Python stacks -?Cross functional team collaboration experience, especially working with engineers and user experience/product designers, as well as external stakeholders -?Strong skills for weighing and More ❯

or a related field 5+ years' of related experience 3+ years of experience in web application development using .NET and C# Strong proficiency in front-end technologies (HTML5, CSS, JavaScript) Experience with MySQL database design and management Familiarity with AWS services, particularly AWS Bedrock Knowledge of Generative AI concepts and technologies Experience with implementing chatbots or conversational AI systems Understanding More ❯

part of change approval process Authoring and updating project documentation, for team, customer, and user audiences Producing, maintaining, and updating security accreditation documentation and related artifacts Extensive Typescript or Javascript background Angular frontend framework; UI/UX design Microservice-based backend architecture; integrating with COTS/FOSS software REST APIs Supporting a full-stack application in a PaaS environment CI More ❯

Developer with Spring Boot and Microservices experience to join our team in Ashburn, Virginia. The UI Front-End Developer will actively engage in building single page applications using modern JavaScript framework and libraries. The candidate will apply front end development experience to build reusable components and libraries. The candidate will work in an agile team and deploy applications in cloud More ❯

ITIL) Framework, high availability, and enterprise infrastructure. • Experience with SharePoint Designer, InfoPath, SSRS Report Designer • Experience with programming languages and scripting methods including Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery • Experience creating secure applications systems utilizing IC or DoD security guidelines • Experience utilizing DEVOPs tools such as a version control system (Github preferred, Subversion OK) • Experience with software More ❯

SOLID and Design Patterns. Strong background in software engineering with hands-on experience in developing, evaluating, and deploying complex systems. Proficiency with relevant programming languages and frameworks such as JavaScript (ES6+), React, Typescript, Kotlin, Java, Scala, C# or other relevant backend technologies. Familiarity with modern architectural patterns such as microservices, micro-frontends. Ability to write, maintain, test, and deploy scalable More ❯

CD pipelines. Proficiency in multiple programming languages (e.g., Python, Go, Java). Experience with low-code platforms. Technology Stack While this role focuses on third-party customizable platforms (primarily JavaScript-based), familiarity with the following technologies is beneficial: AWS Go/Python/Java TypeScript Terraform GitLab ReactJS/NextJS Kubernetes FinTechOS Admiral: Where You Can We take pride in More ❯