Mid-Senior Fullstack Remote at OPTIVEUM sp. z o.o. | United States | Rezi

Mid-Senior Fullstack Remote at OPTIVEUM sp. z o.o.

Mid-Senior Fullstack Remote

OPTIVEUM sp. z o.o. · United States

Yesterday

Mid-Senior Fullstack Remote

OPTIVEUM sp. z o.o. · United States

a day ago
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About the Role

This is a high-ownership role for a capable generalist who wants to ship across mobile, web, and backend product surfaces. You will own high-value features from problem framing through production while leveraging AI tools to accelerate your development workflow. The team works highly asynchronously, requiring only occasional meetings to align.

Responsibilities

  • Deliver and own features across React Native, Next.js, NestJS, TypeScript, Go and Python microservices, and GCP.
  • Diagnose and improve real product workflows spanning UI, APIs, data, media, background processing, and third-party services.
  • Strengthen the media lifecycle—including capture, upload, processing, playback, analysis, retrieval, and failure recovery—across mobile and web.
  • Use AI tools (e.g., Gemini, ChatGPT) as an active engineering partner for coding, testing, debugging, and documentation—verifying outputs rather than relying on it as a simple answer machine.
  • Write maintainable code, focused tests, useful instrumentation, and concise documentation.

Requirements

  • Solid TypeScript/JavaScript fundamentals with substantial experience delivering and operating customer-facing mobile or web applications.
  • Production depth in Node.js and at least one major product surface (such as React Native or Next.js).
  • Working knowledge of APIs, data modeling, asynchronous workflows, testing, and cloud deployment (GCP preferred).
  • Ability to read, extend, and troubleshoot Go and Python microservices.
  • Clear written and spoken English, dependability in a remote team, and a direct, low-ego approach to problem-solving.

Skills

  • React Native
  • Next.js
  • NestJS
  • TypeScript
  • Go
  • Python
  • GCP
  • Node.js
  • APIs
  • Data Modeling
  • Asynchronous Workflows
  • Testing
  • Cloud Deployment
  • Gemini
  • ChatGPT

Location

  • Remote from Poland

Work Type

  • B2B contract
  • Full-time
  • Remote

Experience Level

  • Mid-level
  • Senior

Salary/Compensations

  • 125 - 130 PLN net/h (USD equivalent)

About the Company

  • US-based technology company that builds a live social platform connecting communities through video, audio, text, and photos, alongside an emerging multimodal intelligence platform that helps brands understand public conversations and audience sentiment.