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Senior Software Engineer · Kotlin/Android · Spring Boot · React/TypeScript · Sys
:atom:
Senior Software Engineer · Kotlin/Android · Spring Boot · React/TypeScript · Sys
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jordelmir/README.md

Jorge Del Valle

Senior Software Engineer · Android · Backend · Systems Engineering

🇨🇷 Costa Rica · Open to remote international opportunities

I build production-oriented software across mobile, backend, networking and systems, with emphasis on reliability, security, performance and maintainable architecture.

Kotlin/Android · Java/Spring Boot · TypeScript/React · PostgreSQL · Swift/macOS · Networking

Selected Engineering Work

Project Engineering Focus
Elysium Nexus Control Kotlin · Compose · Room · Bluetooth HID · IR protocols · LAN discovery · CI/CD · automated testing
MEET Android · OBD-II · UDS · DoIP · BLE · Wi-Fi · SQLite/Room · offline-first systems
Elysium Vanguard Fabric Swift · ScreenCaptureKit · VideoToolbox · Metal · TLS · Network.framework · POSIX PTY
JSM Screen Mirror WebRTC · MediaProjection · ScreenCaptureKit · Metal · AVFoundation · real-time streaming

Core Engineering

Mobile: Kotlin · Android · Jetpack Compose · Coroutines · Room · Hilt
Backend: Java · Spring Boot · REST · PostgreSQL · Supabase
Frontend: TypeScript · React · Next.js
Systems: Swift · C/C++ · Linux · POSIX · Networking · WebRTC
Infra: Docker · GitHub Actions · CI/CD
Security: Threat Modeling · Cryptography · Android Security

Engineering Principles

  • Explicit failure handling
  • Structured concurrency
  • Transactional integrity
  • Fail-closed security boundaries
  • Deterministic state transitions
  • Automated testing of critical invariants
  • Observability before optimization

Open to

Senior Software Engineer · Senior Android Engineer · Backend / Full-Stack Engineer · Systems Software Engineer

Remote from Costa Rica.

LinkedIn · Upwork · GitHub

Pinned Loading

  1. elysium-nexus-control elysium-nexus-control Public

    Android universal control platform built with Kotlin/Compose: Bluetooth HID, infrared, LAN discovery and local-first device automation with automated testing and CI/CD.

    Kotlin

  2. MEET-Mecanicos-Especialistas-En-Todo MEET-Mecanicos-Especialistas-En-Todo Public

    Offline-first Android automotive diagnostics platform with real OBD-II, UDS and DoIP over Bluetooth, BLE and Wi-Fi. Built with Kotlin, Compose, Room/SQLite and real-device validation.

    Kotlin 1

  3. elysium-vanguard-fabric elysium-vanguard-fabric Public

    Distributed macOS systems platform for low-latency remote desktop, terminal and file coordination using Swift, ScreenCaptureKit, VideoToolbox, Metal, TLS and Network.framework.

    Swift

  4. JSM-ScreenMirror JSM-ScreenMirror Public

    Real-time Android ↔ macOS screen streaming and recording platform using WebRTC, MediaProjection, ScreenCaptureKit, Metal and AVFoundation over local networks.

    Swift 1

  5. ElysiumVanguard8K ElysiumVanguard8K Public

    Elysium Vanguard Pro Player 8K: The professional gold standard for macOS media playback. Metal-accelerated, 8K FSR upscaling, and ACES tone mapping.

    Swift 3

  6. ElysiumVanguardRecordShield ElysiumVanguardRecordShield Public

    Elysium Vanguard Record Shield - Anti-Sabotage Emergency Recording App

    Kotlin 1