---
title: Senior Node.js/TypeScript Developer
company: Infolet
category: Programista
subcategory: Node.js
experience_level: Senior
work_mode: remote
location: Kraków
employment_type: B2B
salary_min: 26000
salary_max: 31800
salary_currency: PLN
salary_period: month
technologies: [JavaScript, TypeScript, Node.js, Express.js, NPM, Azure DevOps, CI/CD, AI]
posted: 2026-11-04
valid_through: 2026-12-05
url: "https://solid.jobs/offer/39703/infolet-senior-nodejs-typescript-developer"
---

# Senior Node.js/TypeScript Developer — Infolet

## Kluczowe informacje

- **Firma:** Infolet
- **Lokalizacja:** Miłkowskiego, Kraków
- **Tryb pracy:** 100% zdalnie
- **Wynagrodzenie:** 26k–31.8k PLN netto/m (B2B)
- **Forma zatrudnienia:** B2B
- **Wymiar etatu:** 100%
- **Godziny pracy:** Elastyczne godziny pracy
- **Poziom doświadczenia:** Senior
- **Minimalne doświadczenie:** 5 mies.
- **Kategoria:** Programista
- **Specjalizacja:** Node.js
- **Numer referencyjny:** (18/31)
- **Data publikacji:** 2026-11-04
- **Aktywne do:** 2026-12-05

## Technologie i umiejętności

**Wymagane:**

- JavaScript — zaawansowany
- TypeScript — zaawansowany
- Node.js — zaawansowany
- Express.js — zaawansowany
- NPM — zaawansowany
- Azure DevOps — zaawansowany
- CI/CD — zaawansowany
- AI — zaawansowany

## Języki

- Polski — ekspert
- Angielski — zaawansowany

## Opis stanowiska

YOU WILL     Design, develop, and maintain backend applications and REST APIs using   Node.js, Express, JavaScript, and TypeScript.    Build and maintain middleware layers and service integrations.    Write clean, maintainable, and well-tested code following modern software development practices.    Develop and maintain   unit and integration tests   using Jest, Vitest, or similar frameworks, applying TDD principles.    Analyze and troubleshoot runtime errors, performance issues, and application regressions.    Work with asynchronous processing, batch operations, and database transactions.    Identify and resolve security vulnerabilities in application code and dependencies.    Configure, maintain, and troubleshoot   CI/CD pipelines   using Azure DevOps or GitHub Actions.    Design and implement   observability, monitoring, and corrective tools   for operations and support teams.    Leverage   AI-assisted and agentic coding tools  , including Claude Code, GitHub Copilot, and MCP.    Collaborate with international development and operations teams.

## Kogo szukamy

MUST HAVE     Strong commercial experience with   JavaScript (ES6+) and TypeScript  .    Solid knowledge of TypeScript fundamentals, including interfaces, generics, type inference, and type safety.    Experience with TypeScript configuration (  tsconfig.json  ) and integration with build tools.    Hands-on experience developing backend applications and REST APIs using   Node.js and Express.    Good understanding of the   Node.js event loop, asynchronous execution, batch processing, and database transactions  .    Experience with   unit and integration testing   using Jest, Vitest, or similar frameworks, including TDD practices.    Strong debugging and troubleshooting skills, including performance analysis and regression investigation.    Experience managing dependencies within the   NPM ecosystem  , including package versioning and security vulnerability remediation    Practical experience with   Azure DevOps or GitHub Actions   and CI/CD pipelines    Experience with   AI-assisted development and agentic coding  , including Claude Code or GitHub Copilot, MCP, skill design, and context engineering    Experience designing observability and corrective tooling for production systems    Strong understanding of software engineering best practices and maintainable code design    Fluent in English   and experience working in international, distributed teams

## Benefity

**Szkolenia:**

- Szkolenia wewnętrzne

**Zdrowie:**

- Pakiet medyczny
- Ubezpieczenie
- Pakiet sportowy

**Kuchnia:**

- Kawa / Herbata

**Infrastruktura:**

- Parking rowerowy

## Lokalizacje

- Miłkowskiego, Kraków, Polska

## O firmie — Infolet

**Wielkość firmy:** 60+

**Strona WWW:** https://www.infolet.pl

Od 20 lat wspieramy liderów IT, dostarczając technologie, ekspertów i pełne wsparcie operacyjne - w tym legalizację pobytu i pracy międzynarodowych specjalistów IT

Do naszych projektów poszukujemy specjalistów Java, JavaScript, C embedded, C++, PHP, specjalistów od mobile, testerów oprogramowania, administratorów sieci i systemów i wielu innych.

## Aplikuj

Aplikuj na: https://solid.jobs/offer/39703/infolet-senior-nodejs-typescript-developer

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*Źródło: https://solid.jobs/offer/39703/infolet-senior-nodejs-typescript-developer · Wygenerowano: 2026-11-04T21:41:38Z*