Full Stack Engineer (React Native+Node.js)

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SeniorZdalnie·WarszawaFull-time·B2B·Umowa o pracę

#478761·Dodano wczoraj·5

Źródło: justjoin.it

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Tech Stack / Keywords

React Native Node.jsExpoMobile SDK integrationTypeScriptAPISQL

Podsumowanie oferty

Build and maintain a React Native SDK for a project modernizing digital financial platforms and delivering banking, payment, and investment solutions. Develop supporting Node.js and TypeScript endpoints and debug the full request path across mobile clients, networks, and external services.

Wymagania

5–7+ years of commercial software development experience.
Strong experience with React Native, including Expo and bare workflows, native module integration, mobile debugging, and iOS/Android integration.
Hands-on experience with mobile SDK integration or development, including brownfield integration into existing mobile applications.
Experience with SDK architecture, embeddable components, versioning, and backward compatibility.
Strong TypeScript skills on both the client and server sides.
Strong experience with Node.js BFFs and API development (NestJS, Fastify, Hono, or Express).
Hands-on knowledge of designing RPC-style APIs.
Proven ability to independently deliver end-to-end features across React Native and a Node.js backend.
Solid SQL skills, including joins, query optimization, and materialized views.
Experience with production troubleshooting, root cause analysis, logs, tracing, and incident response.
Comfortable working in Git-based workflows with code review as a core practice.
Effective use of AI coding tools (Claude Code, Cursor, GitHub Copilot) in day-to-day development, including reviewing and validating AI-generated code.
Strong product mindset, ownership, and ability to work independently.
English at Upper-Intermediate level (B2) or above.

Nice to have:

Experience in fintech, banking, or regulated environments.
Familiarity with OTA update tools (Stallion, Hot Updater, CodePush, Expo Updates).
Experience with Go.
Experience with mobile CI/CD pipelines.
Knowledge of JWT and application security practices.
Advanced native iOS and Android development experience.
Experience with React Web.

Obowiązki

Build and maintain functionality in a React Native SDK, including brownfield integration into partners’ host apps.
Design and implement supporting BFF endpoints in Node.js and TypeScript, exposed over RPC.
Debug the full request path: mobile client, network, BFF, and external services.
Review other engineers’ code and provide substantive feedback.
Take part in production incident responses, including analyzing logs and tracing issues back to their root cause.
Make pragmatic technical decisions in the face of changing requirements and strict regulatory constraints.

Benefity

Opportunity to earn up to an additional 1,000 USD per month, depending on expertise, through company activities; the amount is included in the annual bonus.
Access to the corporate training portal and company knowledge base.
Certification compensation, including for AWS and PMP certifications.
Referral program.
Private health insurance and sports compensation, depending on the type of employment.
Corporate events and activities, including parties, pizza days, PlayStation, fruit, coffee, snacks, and movies.

Premie

Spotkania integracyjne

Opieka zdrowotna

Napoje w biurze

Darmowe przekąski

Andersen

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