Senior Mobile & Fullstack Engineer - TypeScript, React Native

Dynarii Inc.; Santa Monica (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Dynarii Inc. is seeking a production-focused engineer to own features end-to-end from design to release. You will work with product, design, and engineering to deliver reliable mobile experiences using TypeScript, React Native, and Firebase-backed backends.

SOC 2-aligned workflows and secure handling of data are emphasized, with analytics and game-related experiences as pluses. You will contribute to API design, CI/CD, and monitoring, ensuring changes are auditable and maintainable across iOS

Qualifications

• Production ownership: independently deliver and support production software.
• TypeScript and React Native: strong fundamentals, shipping on iOS/Android.
• Backend and data: Node.js, Firebase, serverless functions, data modeling.
• Testing and delivery discipline: automated tests, CI/CD, troubleshooting across client/server.
• Security and SOC 2 fluency: authentication vs authorization, least privilege, auditable changes.
• Clear communication and accountable AI use: document decisions and risk clearly.

Responsibilities

• Deliver complete features for mobile experiences, admin tools, and backend functionality.
• Build APIs, scheduled jobs, event-driven workflows, and third-party integrations with validation and retries.
• Keep architecture maintainable with clean interfaces and documented API/schema changes.
• Own quality with unit and integration tests; ensure end-to-end coverage on iOS/Android.
• Release safely by contributing to CI/CD, managing environment configs, migrations, and rollbacks.
• Operate what you ship with monitoring, structured logs, and data privacy in mind.

Skills

TypeScript

React Native

Firebase

Node.js

Go

Terraform

AWS/GCP

Tools

Expo

Expo Router

Next.js

Tailwind CSS

GitHub Actions

Job description

Dynarii Inc. is seeking a production-focused engineer to own features end-to-end from design to release. You will work with product, design, and engineering to deliver reliable mobile experiences using TypeScript, React Native, and Firebase-backed backends.

SOC 2-aligned workflows and secure handling of data are emphasized, with analytics and game-related experiences as pluses. You will contribute to API design, CI/CD, and monitoring, ensuring changes are auditable and maintainable across iOS