Senior Backend Engineer

Senior Backend Engineer

Miejsce pracy: Kraków

Technologies we use

Expected

• Java
• Python
• Go
• GraphQL
• SQL
• MySQL

Optional

• PHP
• React

This is how we organize our work

This is how we work

• agile

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.

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.

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.

This is how we work on a project

• documentation
• issue tracking tools
• testing environments

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.

Klikając APLIKUJ (….) wyrażasz zgodę na przetrwanie danych osobowych w celu aktualnie prowadzonej rekrutacji bądź jeżeli wyraziłeś zgodę, również w celach przyszłych procesów rekrutacyjnych. Pełna treść klauzuli informacyjnej znajduje się tu: