Dev Technology Principal iOS Mobile Developer responsible for building a real-time speech translation app running entirely on-device. Owns iOS application architecture, performance, and production releases in a federal compliance environment.
Responsibilities
The iOS application: architecture, performance, memory management, and production releases
Integration of on-device ML inference frameworks (Core ML, ONNX Runtime, WhisperKit) — loading, lifecycle, error recovery — not training the models
Background model delivery: resumable multi-file downloads over URLSession, state persistence, network transition handling
Peer-to-peer transcript sharing between devices via MultipeerConnectivity
Swift concurrency across all of the above without data races, deadlocks, or jetsam kills on 6GB devices
8+ years shipping production iOS apps in Swift
Direct experience with AVAudioEngine or AudioUnit at the hardware callback level
Track record integrating ML or signal-processing frameworks into iOS apps (Core ML, ONNX, TensorFlow Lite, or similar)
Proficiency managing memory and performance on constrained devices using Instruments
Qualification
Generous and flexible time-off policyFISMA experience
Required
Experience with background URLSession and resilient download/upload systems
Comfort with protocol-oriented architecture, multi-module Swift packages, and testable service layers
Ability to hold a clearance and work in a federal compliance environment (FISMA experience is a plus, not a requirement — you'll have security and compliance teammates)
Generous and flexible time-off policy
Flexible work schedules and telework options, including remote work availability for eligible projects
Career development opportunities including a mentorship program, technical and management training through Dev University, hands-on learning through DevLab, tuition reimbursement, and paid training opportunities
Industry-leading benefits including a choice of two health plans that include dental and vision, flexible spending account, commuter benefits, life insurance, and more
401K matching with a 5% matching contribution
Regular team and company social events including our annual party, happy hours, fitness challenges, and more
A focus on community engagement including company wide support activities, employer match for donations, and time off for volunteer efforts
To learn more about working at Dev Technology, visit Working At Dev Technology Group