Senior Front End Developer

PT KARYA TEKHNIK UTAMA; Jakarta Utara; On-site; IDR 200.000.000 - 300.000.000; Full time

Job summary

A technology firm based in Jakarta is seeking a skilled front-end developer with extensive experience in UI development using Flask. The ideal candidate will have at least 5 years of experience in building front-end applications and will work on developing user interfaces with server-side rendering. Key responsibilities include optimizing data input UX and maintaining project structure with Flask templates. This is an excellent opportunity to join a dynamic team and contribute to innovative web applications.

Qualifications

• Minimum of 5 years experience in building front-end applications.
• Familiar with version control (Git) and testing frameworks.
• Experience with Flask, including routing and templates.
• Knowledge of server-side forms and session-based login.
• Ability to build web base applications for workflows.

Responsibilities

• Develop UI with Flask templates and server-side rendering.
• Build pages for main workflows like lists, forms, and dashboards.
• Handle server-side forms ensuring validation and error messages.
• Debug UI issues through collaboration with teams.
• Maintain consistency in static assets and template project structure.

Skills

UI Development with Flask

Version Control (Git)

Front-end Application Building

Web Performance Optimization

Testing Frameworks

Job description

Develop UI with Flask templates (Python) and server-side rendering

Build pages for main workflows like lists, details, forms, and dashboards

Handle server side forms with Flask‑WTF, including validation, CSRF and error message

Implement role‑based UI and optimize data input UX

Translate UI/UX designs into functional code

Debug UI issues and collaborate with Product & Backend teams

Maintain consistency static assets and structure template project

Qualifications:

• Min. have 5 years experience in building front‑end applications
• Familiarity with version control (Git) and testing frameworks
• Experience with Flask: routing, templates, static folder structure
• Knowledge of server‑side forms, validation, session‑based login, and unauthorization flows
• Able to build web base application or mobile or preparation of operational workflows
• Understanding of web performance and cache busting for static asset optimization

PT ABLE REMITTANCE

Jakarta, ID