Senior Backend Architect & Developer

About the Role

Thinaer builds Physical AI via IoT operations and asset-tracking software for defense-adjacent and industrial manufacturing customers, deployed on AWS GovCloud and PubCloud. Our Thinaer Sonar API platform ties together non-invasive BLE sensing, gateways, AI, and analytics so customers can track tools, equipment, parts, and compliance in real time.

We're hiring a Senior Backend Architect / Developer for a single, senior role that combines both halves of the job: setting technical direction for the Sonar platform's backend, and staying hands-on writing the code that ships it.

What You'll Do

• Own backend architecture decisions for the Thinaer platform: service boundaries, data models, and integration patterns across ingestion, storage, and reporting.
• Design and build backend services and APIs that power asset-tracking, AI, analytics, and compliance dashboards for customers.
• Lead OT/IT integration work, bridging telemetry from BLE sensors and gateways with industrial systems, including in air-gapped and network-segmented deployments.
• Guide backend design and implementation on AWS (GovCloud), balancing performance, security, and cost.
• Set and enforce backend engineering standards: code review, testing, deployment practices, and documentation.
• Partner with compliance and security stakeholders to ensure backend systems meet CMMC Level 2 / NIST SP 800-171 requirements.
• Collaborate with other backend engineers and review architecture and code across the team.

What You'll Bring

• 10+ years of backend software development experience, including senior or lead-level ownership of system architecture.
• Deep experience designing and building production APIs and distributed backend services.
• Hands-on experience with AWS, including production deployments (GovCloud experience a strong plus).
• Working knowledge of network and security fundamentals relevant to OT/IT integration (VLANs, firewalls, segmented or air-gapped networks).
• Strong database design skills, across both relational and time-series or event data.
• Proven ability to both set technical direction and personally write production code — this is not an architecture-only or coding-only role.
• Must be a U.S. citizen or otherwise eligible to work on CMMC-relevant, defense-adjacent systems, and able to pass related compliance screening.
• Experience with C# and .NET, ideally building and maintaining production backend services.

Nice to Have

• Experience with IoT, sensor data, or telemetry systems, including data from constrained or intermittently connected devices.
• Experience supporting or building systems toward CMMC Level 2 / NIST SP 800-171 compliance.
• Familiarity with FedRAMP Moderate, FIPS 140-2/3, or similar federal/defense compliance frameworks.
• Experience with BLE, RFID, or other real-time location and proximity sensing technologies.
• Background working with defense industrial base or critical manufacturing customers.
• Experience standing up or maintaining SIEM tooling or security monitoring for backend infrastructure.

Work Arrangement

This is a remote/hybrid role based in the U.S. Given Thinaer's defense-adjacent customer base and AWS GovCloud deployments, candidates must be U.S. citizens or otherwise eligible to work on CMMC-relevant systems, and must be able to pass any required compliance screening.

How to Apply

Interested candidates should submit a resume along with a short summary of relevant backend architecture and IoT/OT-IT integration experience. Thinaer is an equal opportunity employer.