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MasterBorn

Designs, builds, and scales custom software

Junior Backend Developer - Node.js

Backend EngineeringConfirmed live in the last 24 hours
Full-timeWrocław, PolandPLN6k - PLN10k /mo

About the Job

Requirements

  • At least 6–12 months of commercial experience with Node.js.
  • Understand basic JavaScript concepts (ES 2018 or later), use classes, and be familiar with recent additions and functionalities.
  • Have basic experience with at least one Node.js backend framework, such as Express.js, NestJS, or Fastify, including basic APIs and features and at least one project using such technology.
  • Understand object-oriented programming, good practices, and data structures, and be willing to use SOLID and DRY principles and design patterns.
  • Have experience working with a SQL database through an ORM or query builder, such as Prisma or Knex.
  • Know how to use AI while understanding the consequences of its use and being able to write code independently without AI support.
  • Have English proficiency at B2/C1 level to cooperate with American clients.
  • Have Polish proficiency at C1 level to communicate within the team.

Responsibilities

  • Write high-quality JavaScript and TypeScript code using object-oriented programming principles.
  • Contribute technically to the product and identify ways to improve it.
  • Write documentation for delivered code.
  • Review peers’ code.
  • Reuse and improve the company knowledge base.
  • Communicate with the team to translate business complexity, including user stories and tasks, into solutions, outcomes, and estimates.

Desired Qualifications

  • Contribute to open-source projects.
  • Have experience with TypeScript and various backend frameworks.
  • Understand Agile and Scrum and be willing to work as a team toward a shared goal.
  • Understand the significance of a minimum viable product and aim to deliver high-quality results under tight project timelines.
  • Know what AWS is and understand its purpose.
  • Have serverless experience.
  • Know how to run and use Docker images.

About the Company

MasterBorn

Designs, builds, and scales custom software

MasterBorn is a full‑service software development partner that helps clients design, build, and scale custom software products. It works by collaborating with clients to turn their vision into practical software, delivering results faster and with smarter decisions, while providing expert support at every step from discovery through delivery to scaling. What sets MasterBorn apart from competitors is its end‑to‑end, hands‑on partnership approach—covering design, development, architecture, and ongoing scaling with a team of experienced professionals—so clients can reduce risk and move from idea to a shipped product quickly. The company's goal is to help organizations turn their ideas into scalable software solutions by delivering the right product, on time, with the guidance of experienced engineers and consultants.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Austin, TX
Founded
2016

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