Senior Software Engineer ID74262

Department: Engineering
Specialization: Developer
Experience: Senior
Technologies: React Native TypeScript
Client: Subway
Technical flow: Android
Engineering technical flow: Android
Non-engineering technical flow: none
  • What you will do

  • Integrate the POS with payment terminals, Kitchen Display Systems, kitchen printers, and other restaurant floor devices;
  • Implement device communication for connected and disconnected states using TCP/IP, sockets, UDP, and IoT protocols;
  • Build native Android modules using Kotlin and Java for hardware and protocol access and expose them to React Native through native modules and TurboModules;
  • Design edge-compute and device topologies to ensure the POS continues operating during cloud connectivity outages;
  • Implement zero-touch onboarding and fleet provisioning for Android tablets;
  • Own the device lifecycle, including provisioning, monitoring, remote configuration, OTA updates, and decommissioning.
  • Must haves

  • 4+ years of software engineering experience, including hardware- or device-integrated systems;
  • Solid experience with React Native and TypeScript;
  • Hands-on native Android development with Kotlin and/or Java, including building and bridging native modules to React Native;
  • Strong knowledge of device and networking protocols, including TCP/IP, sockets, UDP, and IoT protocols;
  • Experience with offline-first application development;
  • Experience with Android device fleet provisioning, including zero-touch enrollment and device-owner or kiosk modes;
  • Experience using AI-assisted development tools such as Claude or GitHub Copilot;
  • Upper-intermediate English level.
  • Nice to haves

  • Experience migrating legacy Windows or OPOS POS systems to a cross-platform native stack;
  • Experience with C, C++, or JNI for low-level device development;
  • Experience with cloud IoT platforms such as AWS IoT Core or AWS Greengrass;
  • Experience with cross-platform device frameworks such as Qt;
  • Experience integrating payment terminals at the device level, including tokenization and payment gateways;
  • Experience in the QSR or retail industry.

We are looking for a Senior React Native Engineer to own device and hardware integration for a new Android tablet-based POS platform, bridging the React Native application layer with physical restaurant hardware including payment terminals, Kitchen Display Systems, and printers. You will build native Android modules in Kotlin and Java, implement device communication over TCP/IP, sockets, and IoT protocols, design offline-first edge-compute topologies, and own the full Android device lifecycle including zero-touch provisioning and OTA updates. The role requires active use of AI-assisted development tools as part of daily engineering practice.

The benefits of joining us

Professional growth

Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps

Competitive compensation

We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities

A selection of exciting projects

Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands

Flextime

Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive.

Your AgileEngine journey starts here

1

2 min

Tell us about yourself

2

2 sec

Confirm requirements

3

30 - 60 min

Pass a short test

4

5 min

Record a short video

→ Introduce yourself on a video, instead of waiting for an interview

5

Live interview

Ace the technical interview with our team

→ Schedule a call yourself right away after your video is reviewed

6

Live interview

Final interview with your team

→ Get to know the team you will be working with

7

Get an offer

As quick as possible

Our geography

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WASHINGTON DC USA
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ColombiaColombia
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BrazilBrazil
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