We are seeking a highly skilled and experienced Senior Java Script Developer to join our innovative team.
The ideal candidate will have a strong background in Java Script development, with expertise in building scalable, high-performance web applications.
As a Senior Java Script Developer, you will play a key role in designing, developing, and maintaining front-end and back-end systems, as well as mentoring junior developers.
You should be passionate about writing clean, maintainable code and have a deep understanding of modern software development practices.
Key Responsibilities: Design, develop, and maintain robust, scalable, and high-performance Java Script-based applications.
Collaborate with cross-functional teams to define, design, and ship new features.
Write reusable, testable, and efficient code.
Integrate user-facing elements with server-side logic.
Optimize applications for maximum speed and scalability.
Implement security and data protection measures.
Troubleshoot and debug applications to resolve issues.
Mentor and guide junior developers, providing technical leadership and code reviews.
Stay up-to-date with emerging technologies and industry trends to ensure our solutions remain cutting-edge.
Participate in Agile/Scrum processes, including sprint planning, stand-ups, and retrospectives.
Required Skills and Technologies: Proficiency in Java Script: Extensive experience with Java Script programming and its frameworks/libraries (e.g., React, Angular, Vue.js).
Front-End Development: Strong understanding of HTML, CSS, and front-end frameworks (e.g., Bootstrap, Tailwind CSS).
Back-End Development: Experience with Node.js and Express.js for server-side development.
Database Management: Experience with relational databases (e.g., My SQL, Postgre SQL) and No SQL databases (e.g., Mongo DB).
APIs and Microservices: Expertise in designing and consuming RESTful APIs and building microservices architectures.
Version Control: Strong experience with Git and collaborative development workflows (e.g., Git Flow).
Testing: Proficient in writing unit tests, integration tests, and using testing frameworks (e.g., Jest, Mocha, Chai).
Build Tools: Familiarity with build tools and package managers (e.g., Webpack, Babel, npm, Yarn).
Security Best Practices: Understanding of secure coding practices and common vulnerabilities (e.g., OWASP Top 10).
Preferred Skills: Experience with Type Script for large-scale applications.
Familiarity with Graph QL and its implementation in Java Script.
Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes).
Experience with serverless computing (e.g., AWS Lambda, Google Cloud Functions).
Understanding of Progressive Web Apps (PWAs) and Service Workers.
Qualifications: Education: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
Experience: 5+ years of professional experience in Java Script development, with at least 2 years in a senior or lead role.
Certifications (Optional): Relevant certifications such as: AWS Certified Developer Microsoft Certified: Azure Developer Associate Google Professional Cloud Developer Java Script-specific certifications (e.g., Java Script Developer Certification by W3 Schools) Soft Skills: Strong problem-solving and analytical skills.
Excellent communication and collaboration abilities.
Ability to work independently and as part of a team.
Leadership skills with a focus on mentoring and guiding junior developers.
Adaptability to changing project requirements and technologies.
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Javascript Developer, Johannesburg
Free
Javascript Developer, Johannesburg
South Africa, Gauteng, Johannesburg,
Modified April 14, 2025
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