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Low-Latency Backend Engineer: Target Tracking & APIsDigital Global Systems Inc • Virginia, Minnesota, United States
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Low-Latency Backend Engineer: Target Tracking & APIs

Digital Global Systems Inc
  • US
    Virginia, Minnesota, United States
  • US
    Virginia, Minnesota, United States
Jetzt Bewerben

Über

Digital Global Systems is seeking a Backend Software Engineer to own and evolve the Target Tracker service within the CLEARSITE™ platform. This role is responsible for persistent target identity, association logic, decoder integration, and migration of legacy tracking systems to a modern, scalable backend architecture. The engineer will build low-latency services that maintain continuous target tracking across sessions, protocols, and observation gaps using decoded identifiers and RF fingerprint matching. Key Responsibilities Design and implement the Target Tracker Service, including: Dual-path association using decoded identifiers (Wi-Fi MAC, BLE) and RF fingerprint similarity Track lifecycle management (candidate, active, timeout, split/merge)
Build and maintain REST APIs with strict latency SLOs (sub-20ms update paths) Implement persistent storage using MySQL and long-term archival in ClickHouse Develop composite fingerprint matching algorithms with policy-weighted similarity scoring Lead legacy system migration efforts, including dual-write, backfill, cutover, and rollback Integrate tracking services with signal processors, decoders, and image-based detectors Support onboarding of new protocol decoders (Wi-Fi, BLE, LoRa, LTE) Maintain high-quality test coverage and performance validation Required Qualifications 3+ years backend development experience (Python, FastAPI) Experience building low-latency REST APIs Familiarity with data migration strategies and real-time pipelines Solid testing practices (pytest, integration, performance) Preferred Qualifications Experience with ClickHouse or columnar databases Background in entity resolution, tracking systems, or identity matching Familiarity with RF signal metadata or protocol decoding Experience with production legacy system migrations Resume Submission Name (Required) First Last Email (Required) Phone Briefly describe your background and interest in DGS (Required) 0 of 500 max characters Are you legally authorized to work lawfully in the U.S.? (Required) Will you now or in the future require sponsorship for employment visa status? (Required) Location (Required) Voluntary Self-Identification Digital Global Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status. We are committed to providing reasonable accommodations to individuals with disabilities. If you need an accommodation during the application or interview process, please contact DGS. Disability Status – whether you have a disability (Required) Veteran Status – whether you are a protected veteran (Required) Are you interested in working with DGS but don’t see an open job that fits you? Reach out and tell us a little bit about yourself. We’re always happy to meet others who are passionate about building next-gen wireless solutions.
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  • Virginia, Minnesota, United States

Sprachkenntnisse

  • English
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