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Senior Backend Engineer
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Offer summary

(Summary generated by AI based on the full job description)

The project involves developing scalable backend services and APIs for third-party integrations using PHP, Java, Python, Go. Responsibilities include platform architecture optimization, ensuring high performance and reliability, as well as team collaboration and mentoring. Required skills include RESTful API, GraphQL, SQL/MySQL, and experience with testing and system monitoring. Offered benefits include 100% remote work, private healthcare, life insurance and professional growth support.

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Senior Backend Engineer

Company: ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

from: 15 July 2026
to: 14 August 2026
21 500 - 26 500 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:remote
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

Java
Python
Go
GraphQL
SQL
MySQL

Optional technologies

PHP
React

Our requirements

  • 5+ years of experience in backend software development.
  • Strong proficiency in PHP (preferred) or solid experience with Java, Python, Go, or similar backend technologies.
  • Strong understanding of RESTful APIs, GraphQL, and API design best practices.
  • Experience designing and building scalable, distributed backend systems.
  • Hands-on experience with SQL/MySQL databases and database optimization.
  • Experience with automated testing, observability, monitoring, and debugging production systems.
  • Familiarity with contract-driven development and modern software development practices.
  • Basic knowledge of frontend technologies such as React is a plus.
  • Strong communication skills and the ability to collaborate across cross-functional teams.
  • Passion for writing clean, maintainable, and high-quality code.

Your responsibilities

  • Design, develop, and maintain scalable backend services and APIs for third-party integrations.
  • Improve platform architecture, service communication, and internal developer tooling.
  • Collaborate with Product Managers, Designers, and Engineers throughout the entire software development lifecycle.
  • Optimize existing systems for performance, scalability, reliability, and maintainability.
  • Drive engineering best practices, including code quality, testing, and documentation.
  • Participate in architecture discussions and technical decision-making.
  • Mentor engineers through code reviews, pair programming, and knowledge sharing.
  • Continuously improve the developer experience by building reliable internal platforms and tools.

This is how we organize our work

This is how we work

agile

This is how we work on a project

  • documentation
  • issue tracking tools
  • testing environments
Company

What we offer

  • 100% remote work.
  • Private healthcare and Multisport.
  • Life insurance.
  • Real influence on technical decisions and system architecture.
  • Opportunity to build scalable backend services and developer platforms.
  • Work with modern technologies in a collaborative engineering environment.
  • Knowledge sharing, mentorship, and professional growth opportunities.
  • Friendly, supportive, and experienced engineering team.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • life insurance
  • remote work opportunities
  • flexible working time

ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

As Venture Building, we create profitable technology companies from scratch. We collaborate with partners who share similar aspirations and are open to leveraging the potential of their networks, cultivated over years. We regularly launch new projects founded on long-term, amicable relationships with our associates.
Senior Backend Engineer
21.5k–26.5k zł / mth. (B2B)
I apply to:
ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Kraków, Lesser Poland

Need more information?

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  • Ask a question if you need more information you’re interested in.
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