Senior Front-End Engineer: React UI & Performance

Ctlyst; Jakarta Selatan; On-site; IDR 167,400,000 - 334,800,000; Full time

Job summary

Ctlyst is seeking a Front End Engineer to translate complex requirements into detailed designs and implement responsive UI components in React. The role involves writing technical documentation, debugging, and collaborating with FE/BE/QA/Product teams to improve web performance.

The ideal candidate will develop high-performing UI modules, explore new technologies, and take ownership of their code quality within projects in Jakarta. This position emphasizes collaboration and independent execution.

Qualifications

• Developing and implementing highly-responsive user interface components using React.
• Write technical documentation, individually or with others.
• Troubleshooting and debugging codes.
• Monitor and improve web application performance.
• Coordinate with FE/BE/QA/Product teams to solve project problems.

Responsibilities

• Develop and implement React UI components.
• Translate requirements into detailed design and high-performing applications.
• Research new technologies to improve current solutions.
• Be responsible for quality of your portion of the project or the whole project.
• Write technical documentation with or without team support.
• Deliver quality results with minimal supervision.
• Contribute to code reviews and reviews of others' code.
• Monitor and optimize performance of the web app.
• Troubleshoot and fix bugs.
• Coordinate with team members to resolve project issues.

Skills

React

Documentation

Debugging

Performance

Collaboration

Job description

Ctlyst is seeking a Front End Engineer to translate complex requirements into detailed designs and implement responsive UI components in React. The role involves writing technical documentation, debugging, and collaborating with FE/BE/QA/Product teams to improve web performance.

The ideal candidate will develop high-performing UI modules, explore new technologies, and take ownership of their code quality within projects in Jakarta. This position emphasizes collaboration and independent execution.