Fullstack Developer - US Data Startup

We are looking for an experienced Full Stack Developer to join our international team. We are developing a new application as part of Intentsify, an innovative startup based in Massachusetts, USA, specializing in intent data management and sales for B2B marketing. To address common issues in many JavaScript applications, we are using a modern tech stack for this project. We seek a developer who can leverage their experience to help us create a modern, maintainable, and scalable application.

What We Offer:

  • Cutting-edge technologies: Our stack consists of the latest tools and frameworks.
  • Significant influence on the project: We value suggestions and improvements.
  • Minimal formalities: Few meetings, lots of coding, and collaboration within a strong team (e.g., Mateusz, Konrad, Maciek, Kacper).
  • GitHub: Our primary code repository.


  • Senior-level full-stack development experience.
  • Strong knowledge of React, Nest.js, and TypeScript.
  • Proficiency with Python will be a plus. If you don’t know it we are happy to onboard you.
  • Familiarity with Event-Driven Architecture on AWS.
  • Comfort working within cross-functional teams.
  • Proficiency in English for daily international collaboration.


  • Actively participate in making technology decisions.
  • Develop new features and maintain existing ones with a focus on quality and best practices.
  • Proactively propose solutions and solve problems.
  • Continuously improve tooling and participate in selecting tools and technologies.
  • Write tests and participate in code reviews.


  • New work equipment (MacBook Pro).
  • Work-life balance ( paid vacation for B2B, MultiSport, English classes with a native speaker, “baby” bonus, flexible working hours, private health insurance, life insurance, sports events).
  • A friendly environment conducive to growth (training programs, referral system, integration budget, team lunches, and holiday gifts).
  • Competitive salary on B2B: 25-33k PLN net+VAT and contract of employment: 19-26k PLN gross.
  • Stable and long-term collaboration (options for B2B and contract of employment).
  • Remote work or office options (in Krakow or Bielsko-Biala, with coworking possibilities in other cities).

Recruitment Process:

  • 30-minute interview with HR
  • 60-90 minute technical interview 
  • 30-60 minute interview with the Head of Engineering

About From Poland With Dev

We are an international team that values engaging projects, interpersonal relationships, and work-life balance. We work exclusively with clients referred to us, which means we operate as a close partner or "team extension," becoming regular members of their teams. We value working closely with the business, freedom, and the ability to impact the product. We minimize formalities, focusing on efficient, meaningful work and growth. Openness, trust, and a human approach are the pillars of our daily work.

Apply Now

Feel free to apply without a CV. Contact Ela with any questions or concerns.

Photo of Ela
Ela Adamus-Wolny
People&Recruitment Manager
tel.: +48 600 593 770

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