Senior Full-Stack Engineer — Contract
This position is no longer accepting applications (closed Oct 31, 2026).
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Contract backend-heavy full-stack role at EkTech (remote, US-based): turn a Flutter proof of concept into a production MVP for public-agency property accountability and inventory. Work spans REST APIs, relational data modeling, offline sync, auth/security, and cloud deployment using Flutter/Dart, Kotlin/Java/Rust, and SQL.
Compensation: $180k – $220k • 0.0% – 3.0%
EkTech is building software for public-agency property accountability and inventory workflows. We have a working Flutter proof of concept and are looking for a senior full-stack contractor to help turn it into a production-ready MVP.
This is a backend-heavy full-stack role. You would work across the client, backend, database, synchronization, security, and deployment.
Compensation is listed as $180,000–$220,000 annualized and will be prorated based on the contractor’s agreed hours and duration of engagement.
What you would work on
- Review and refine the existing application architecture
- Establish backend structure and development conventions
- Build and integrate REST APIs with the Flutter client
- Design reliable relational data models and transactional workflows
- Implement offline synchronization and conflict handling
- Build authentication and authorization
- Support secure file and image workflows
- Design for separation between operational workloads and reporting/query workloads
- Build integrations with external data sources
- Write automated tests and improve reliability
- Support deployment, logging, backups, observability, and production hardening
- Review code and help establish patterns the founding team can extend safely
What we are looking for
- 7+ years of professional software engineering experience
- Strong full-stack experience with significant backend depth
- Strong SQL and relational-database experience
- Experience with Kotlin, Java, or Rust
- Experience building production APIs
- Mobile-development experience; Flutter/Dart is preferred
- Experience with offline or intermittently connected systems
- Experience with authentication, authorization, and security-sensitive applications
- Experience deploying cloud applications
- Comfortable owning difficult technical problems and reviewing other developers’ work
- Engagement
Remote, U.S.-based contract role. We are open to hourly or milestone-based work.
The founding team expects to handle a meaningful portion of routine implementation. We are looking for someone who can own the harder technical problems, establish strong patterns, and help us get to a reliable MVP.