JAVASCRIPT DEVELOPER SKILLS, EXPERIENCE, AND JOB REQUIREMENTS
Published: Nov 19, 2025 - The JavaScript Developer has experience in building complex single-page applications and is proficient in at least one modern framework such as Ember, Svelte, Angular, or Vue. This role requires strong skills in responsive design implementation using PostCSS, Sass/Less, Tailwind, or Bootstrap, along with expertise in TypeScript or Flow, web mapping libraries like OpenLayers or Leaflet, and data visualization tools such as D3 or Vega. The developer is also comfortable with Ruby on Rails, Node-based CLI tools, JavaScript build systems, automated testing frameworks (e.g., QUnit, Mocha, Jasmine), and version control using Git.
Essential Hard and Soft Skills for a Standout JavaScript Developer Resume
- JavaScript Development
- Frontend Development
- Backend Development
- React Development
- Node.js Services
- UI Implementation
- Automated Testing
- Code Quality
- API Development
- Microservice Architecture
- Team Collaboration
- Problem Solving
- Effective Communication
- Stakeholder Communication
- Adaptability
- Requirements Analysis
- UX Collaboration
- Process Improvement
- Mentoring Skills
- Global Communication

Summary of JavaScript Developer Knowledge and Qualifications on Resume
1. BA in Information Technology with 5 years of Experience
- Proven Node.js development experience creating RESTful APIs that can deliver JSON or XML content.
- Proven development experience using a modern front-end framework such as React.js, Vue.js, or Angular.
- Experience with the automated build process (continuous integration) and source code version control tools (GIT and/or SVN).
- Hands-on experience in at least one of the following JavaScript testing frameworks: Jest, Protractor, Jasmine, or Mocha.
- Detailed knowledge of JavaScript concepts such as callbacks, closures, and promises.
- Experience using software development processes such as TDD, pair programming and other XP practices.
- Experience with multiple operating systems, including Linux, Mac OS X, and Windows.
- Ability to work in an agile environment.
- Must have a critical thinker with the ability to break down complex technical requirements.
- Able to be familiar with data sources such as MongoDB, Redis, MySQL, or SQL Server.
- Willingness to work on a variety of project types (Desktop, Web, Mobile) and programming languages (JavaScript, C#, Java, Kotlin, Swift, Erlang, Python, etc.)
- Able to prepare and produce releases of software components.
2. BS in Computer Science with 8 years of Experience
- Excellent technical awareness and skills, prior development experience of shipping React or React Native based apps.
- Experience and capable of playing a leading role in designing and developing major functional changes to existing software systems, or new ones, involving yourself and other engineers.
- Experience working with multiple stakeholders (internal and external) with different goals, objectives and aspirations.
- Experience working in an agile environment.
- Experience building dynamic customer-facing apps that use RESTful APIs to operate.
- Experience building modular apps or migrating a monolithic app to a modular architecture.
- Knowledge of development best practices, including coding guidelines.
- Experience with apps interacting with an AWS backend, knowledge of the AWS mobile SDK, or APIs.
- Knowledge of or previous experience with VOD, including experience working with video playback on the Web.
3. BS in Software Engineering with 6 years of Experience
- Able to design well-designed software that lasts longer.
- Able to work collaboratively with the entire development team.
- Able to drive innovation, design, development, testing and support for all work.
- Able to work on new features from the concept stage to the release and support stage.
- Experience with HTML5 technologies (HTML, CSS, JavaScript ES2015, etc.) in a cross-browser and cross-platform environment (mobile and desktop).
- Excellent understanding of common JavaScript design patterns and OO designs within RESTful single-page apps.
- Able to advocate for implementing unit and functional tests.
- Experience with JavaScript frameworks.
- Ability to handle multiple tasks and prioritize them appropriately.
- Able to detail-oriented, highly enthusiastic team player, with a positive attitude.
- Must have personal drive for the highest quality.
- Must have a passion for JavaScript and it is the language of choice.
- Able to learning from the best.
4. BA in Web Development with 8 years of Experience
- Ability to bring custom and responsive designs to life using technologies like PostCSS, Sass or Less, and frameworks like Tailwind or Bootstrap.
- Knowledge and passion for design and UX principles of web and mobile interfaces.
- Experience with TypeScript or Flow.
- Experience with OpenLayers, Leaflet, or other web mapping tools.
- Experience with D3, Vega, or other visualization libraries.
- Experience with Ruby on Rails.
- Extensive JavaScript experience with a focus on building large, complex single-page applications.
- Proficient in at least one modern JavaScript framework such as Ember, Svelte, Angular, or Vue.
- Able to debug and optimize cross-browser and platform web applications (for desktop and mobile).
- Experience with Node-based CLI tools, JS build tools and automated testing frameworks (QUnit, Mocha, Jasmine, etc.)
- Comfortable with Git/version control workflows.
5. BS in Computer Engineering with 4 years of Experience
- Proficient in MySQL/MSSQL Database.
- Experience in creating database schemas that represent and support business processes.
- Postman and Swagger implementation experience.
- Dev experience in File Upload/download on a cloud storage environment.
- Must have Cloud experience, AWS and/or Azure.
- Experience in user authentication and authorization between multiple systems, servers, and environments.
- Understanding accessibility and security compliance.
- Proficient in code versioning tools, such as Git.
- Excellent analytical and problem-solving skills.
- Ability to work well in teams.
6. BS in Information Systems with 5 years of Experience
- Able to be motivated and a team player.
- Able to be solution-oriented.
- Knowledge of CRM, accounting and business systems.
- Knowledge of the local language and English.
- Knowledge of secure by design concepts and test automation.
- Working experience with HTML, CSS, JavaScript/front-end frameworks, and version control solutions like git, and CI/CD tools.
- Knowledge/experience with Docker, Kubernetes, cloud services in the platform, Azure, and knowledge/experience of Java and Python.
- Able to be familiar with Java OR JavaScript/TypeScript.
- Strong verbal and written communication.
- Strong work ethic and attention to detail.
- Development experience of Node.js/React applications with modern JavaScript (ES6 or TypeScript).
- Experience applying clean code principles in everyday life and unit tests.
7. BA in Graphic Design with 6 years of Experience
- Good command of spoken and written English.
- Extensive experience with Node.js and TypeScript.
- Experience with GraphQL and GRPC.
- Experience with JSON RESTful APIs.
- Experience with test tools and frameworks like Mocha and Jest.
- Able to familiarize with Git and Yarn.
- In-depth knowledge and understanding of JavaScript and Angular.
- Experience of using Kubernetes and/or Docker or any other containerisation tooling.
- Understanding of microservices, better still, any experience working in a microservices environment.
- Excellent interpersonal and communication skills.