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.NET developer (part-time, 40-60 hours/month)

Remote, USA Full-time Posted 2026-06-18

We are looking for a talented .Net Developer with 3+ years of programming background to join a small but established, product-focused team that builds a mobile-first platform that bridges digital and physical technologies. 

JOB REQUIREMENTS:

Must have:

  • 3+ years of commercial experience in cross-platform mobile development using C# / .NET

  • Solid understanding of mobile app architecture patterns (MVVM, Clean Architecture)

  • Experience integrating mobile apps with RESTful APIs and real-time communication protocols

  • Experience working with IoT devices or hardware communication (Bluetooth, BLE, or similar protocols)

  • Understanding of device pairing, state synchronisation, and hardware lifecycle management within mobile applications

  • Understanding of SOLID and OOP principles

  • English — at least Intermediate+

Nice to have:

  • Experience with payment or booking flow integrations

  • Experience with push notifications and background services on mobile

  • Experience with managing Apple Certificates, Identifiers and Profile

  • Familiarity with publishing and maintaining apps on App Store and/or Google Play

KEY RESPONSIBILITIES:

  • Adding new features to an existing solution

  • Fixing occasional bugs and supporting users

  • Collaborating with the team and occasionally with the client (via email)

  • Contributing to future solution architecture

PROJECT

Our client is an American startup that provides its users with a fun shopping experience. The application is live, used daily across 17 + locations in the US, and communicates directly with electric vehicles on the ground - in real time. The architecture is clean and modern - no legacy baggage to wrestle with. 

Stage: This is a growing startup.

Project team: 1 PM, 1 QA, 1 Mobile Developer, 1 UI/ UX Designer, 1 Back-end Developer 

Technical stack: C# / .NET (MAUI), Bluetooth Low Energy (BLE), RESTful APIs / JSON, Firebase , Stripe

Work schedule: Part-Time (40-60 hours per month), remote

INTERVIEW STAGES:

  • Call with recruiter

  • Technical interview with recruiter and Senior Mobile developer

Recruiter - Halyna Vorona

apply to this job

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