Senior Flutter Architect & Tech Lead (Contract)

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH); Jakarta Selatan; On-site; IDR 200,000,000 - 420,000,000; Full time

Benefits offered by this job

Competitive compensation

Diverse challenging projects

Professional development

Collaborative tech team

Flexible working arrangements

Job summary

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) seeks a Senior Flutter Developer to lead mobile app design and development in a contract role based in South Jakarta. You will architect solutions, mentor juniors, and drive best practices across mobile initiatives.

You will own end‑to‑end Flutter development for iOS and Android, collaborating with product and design teams to deliver robust and scalable applications with high usability. Strong English communication is essential.

Qualifications

• 5+ years of software development experience with at least 3+ years in Flutter.

Responsibilities

• Design and develop high‑performance mobile apps using Flutter for iOS and Android.
• Lead technical architecture and implement complex features with quality code.
• Mentor junior developers and provide code reviews.
• Collaborate with product managers and designers to translate requirements into scalable solutions.
• Optimize performance, implement robust error handling and monitoring.
• Contribute to full SDLC including planning, development, testing, and deployment.
• Stay updated with Flutter changes and best practices to share knowledge.
• Troubleshoot and resolve complex issues efficiently.
• Document development standards and technical guidelines.

Skills

Dart programming

Flutter framework

Mobile architectures

RESTful APIs

Git workflows

CI/CD

Problem solving

English communication

Education

Bachelor's degree in CS/Engineering

Tools

Git

CI/CD pipelines

Testing frameworks

Job description

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) seeks a Senior Flutter Developer to lead mobile app design and development in a contract role based in South Jakarta. You will architect solutions, mentor juniors, and drive best practices across mobile initiatives.

You will own end‑to‑end Flutter development for iOS and Android, collaborating with product and design teams to deliver robust and scalable applications with high usability. Strong English communication is essential.