Mobile Tech Lead - Flutter/Dart, Full-Stack API Expert

Millennium Software and Staffing Inc; United States; On-site; USD 150,000 - 190,000; Full time

Job summary

Millennium Software Inc. in the United States seeks a Senior Full Stack Engineering Lead with 9–12 years in software development, including substantial iOS/Android expertise, to guide cross‑functional mobile projects.

You will drive Flutter-based solutions, design RESTful APIs, and mentor both frontend and backend teams while supporting client delivery. The role blends hands‑on coding with leadership responsibilities, including release management for App Store/Play and strategic tech

Qualifications

• 9–12 years of overall software development experience, with at least 9 years in iOS and/or Android app development.
• Strong expertise in Flutter and Dart for cross‑platform mobile development.
• Proven track record delivering large‑scale, business‑critical mobile apps.
• Hands‑on with designing, developing, and consuming RESTful APIs with JSON-based integrations.
• Experience building or maintaining BFF services or mobile backend APIs using Java or Scala.

Responsibilities

• Lead frontend and backend engineering teams, providing technical leadership, mentorship, and architectural guidance.
• Split time between hands‑on work and leading an existing team.
• Oversee packaging, release, deployment, and approval processes for Apple App Store and Google Play.
• Engage directly with clients, document key decisions, and track actions to ensure delivery.

Skills

Flutter & Dart

iOS/Android development

RESTful APIs

BFF (Backend-for-Frontend)

Java

Scala

Full stack leadership

Frontend & backend leadership

Release management (App Store / Play)

Cross‑platform mobility

Technical mentorship

Job description

Millennium Software Inc. in the United States seeks a Senior Full Stack Engineering Lead with 9–12 years in software development, including substantial iOS/Android expertise, to guide cross‑functional mobile projects.

You will drive Flutter-based solutions, design RESTful APIs, and mentor both frontend and backend teams while supporting client delivery. The role blends hands‑on coding with leadership responsibilities, including release management for App Store/Play and strategic tech