Senior Engineering & Product Delivery Expertise

Product definition, architecture, UX, implementation, testing, store delivery, observability, and long-term maintenance across native Android and iOS.

Kotlin, Java, Swift, Objective-C, and C++ native app work
Product discovery, requirements, architecture, UX, and platform integrations
Offline data, synchronization, push, maps, media, and APIs
Testing, store releases, analytics, and observability

Incremental modernization of established products while protecting users, behavior, integrations, and release schedules.

Refactoring Java, Kotlin, Objective-C, and Swift codebases
Dependency, build, architecture, and platform migration
UI, reliability, and performance improvements around proven behavior
Regression control, staged releases, and risk-aware planning

Native SDKs, sample applications, API-first design, device communication, test scenarios, and validation for Android and iOS.

iOS and Android SDK development
Sample apps that show real integration paths
Device integration and cross-platform behavioral alignment
Design-phase test scenarios, review, QA, and validation

Low-latency Android and C++ audio systems covering product design, DSP, synchronization, recording, MIDI, releases, and shared product foundations.

Product direction, UX, Android applications, releases, and support
C++ audio engines, JNI, DSP, synchronization, and real-time constraints
Recording, mixing, looping, MIDI, metronome, and instrument workflows
Shared product platform, testing, documentation, analytics, and support

Product specifications, frontend applications, APIs, data, AWS infrastructure, automated testing, and production operations.

React, Vue, TypeScript, Node.js, PHP, .NET, GraphQL, and REST
AWS, Firebase, PostgreSQL, MySQL, Docker, and asynchronous workers
Security, automated testing, observability, and deployment
End-to-end integration across frontend, mobile, APIs, and data

Requirements, specifications, priorities, acceptance criteria, architecture, stakeholder coordination, risk management, release planning, and governed AI-agent workflows.

Product discovery, specifications, priorities, backlog, and acceptance criteria
Delivery planning, estimates, dependencies, risk, and release readiness
Hands-on architecture, implementation, review, testing, and debugging
Specification-led AI agents governed through direct human review and validation

Looking for a remote senior contributor who can clarify the product, lead delivery, and build the software? I am available now for part-time, contract, or full-time opportunities.