1210 | Senior Full-Stack Engineer (React Native/Node.js)

Intetics; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Intetics Inc. is a leading American technology company specializing in custom software development and digital solutions. We are seeking a Senior Full-Stack Engineer (React Native/Node.js) to join our team and deliver high-quality software for clients.

The role focuses on building React Native SDKs, designing BFF endpoints with Node.js/TypeScript, and owning features from requirements to production. Strong RN, TS, and Node.js skills, plus English at B2+ level, are required.

Qualifications

• 5+ years of commercial software development experience.
• Strong React Native experience across Expo and bare workflows, including native module integration.
• Strong TypeScript skills on both the client and server sides.
• Experience developing Node.js BFF services using frameworks such as NestJS, Fastify, Hono, or Express.

Responsibilities

• Build and maintain React Native SDK functionality, including integration into partners' existing native applications.
• Design and implement BFF endpoints using Node.js and TypeScript, exposed through RPC APIs.
• Investigate issues across the full request path, including the mobile client, network, BFF, and external services.
• Review code and provide constructive, actionable feedback.
• Participate in production incident response, analyze logs, and identify root causes.
• Make pragmatic technical decisions while adapting to changing requirements and strict regulatory constraints.
• Take ownership of features from initial requirements through production delivery.

Skills

React Native

TypeScript

Node.js

RPC APIs

NestJS

Fastify

Hono

Express

SQL

Git

AI coding tools

Product mindset

English (B2+)

Tools

Go

Job description

Intetics Inc., a leading American technology company specializing in custom software application development, distributed professional teams creation, software product quality assessment, and "all-things-digital" solutions, is on the lookout for aSenior Full-Stack Engineer (React Native/Node.js) to join our team and provide exceptional customer support.

Responsibilities

• Build and maintain React Native SDK functionality, including integration into partners' existing native applications
• Design and implement BFF endpoints using Node.js and TypeScript, exposed through RPC APIs
• Investigate issues across the full request path, including the mobile client, network, BFF, and external services
• Review code and provide constructive, actionable feedback
• Participate in production incident response, analyze logs, and identify root causes
• Make pragmatic technical decisions while adapting to changing requirements and strict regulatory constraints
• Take ownership of features from initial requirements through production delivery
• 5+ years of commercial software development experience
• Strong React Native experience across Expo and bare workflows, including native module integration
• Strong TypeScript skills on both the client and server sides
• Experience developing Node.js BFF services using frameworks such as NestJS, Fastify, Hono, or Express
• Hands‑on experience designing RPC‑style APIs
• Solid SQL skills, including querying materialized views and retrieving data directly through SQL
• Experience with Git‑based development workflows and regular code reviews
• Effective daily use of AI coding tools such as Claude Code, Cursor, or Copilot, with the ability to critically assess and verify generated output
• Product mindset, with the ability to understand business goals, constructively challenge requirements, and drive feature delivery
• Ability to take ownership and work effectively with evolving requirements
• English level: B2+ or higher

Nice to have

• Experience embedding React Native functionality into existing native host applications
• Experience in fintech, banking, or other regulated environments
• Familiarity with OTA update tools such as Stallion, Hot Updater, CodePush, or Expo Updates
• Experience with Go