Backend Developer

Technologies we use

About the project

Your responsibilities

• Building and maintaining backend services for web applications using Python and REST APIs, ensuring reliability, scalability, and clean architecture.
• Designing and automating GitHub Actions workflows for CI/CD, release management, and deployment automation across environments.
• Developing Databricks pipelines using PySpark and Unity Catalog to automate data refresh flows and manage Power BI semantic models programmatically.
• Writing Python scripts to automate operational tasks, data processing, and integration workflows.
• Designing and managing relational and NoSQL databases - including logging processing statuses, tracking pipeline runs, and supporting operational monitoring.
• Integrating with Azure services - Key Vault for secrets management, Azure Repos for version control, and Azure Active Directory for authentication and authorization.
• Collaborating with data engineers, BI developers, and business stakeholders to translate requirements into robust backend and automation solutions.
• Following best practices in API design, security, code quality, and documentation.

Our requirements

• 2+ years of commercial experience as a Backend Engineer or in a closely related engineering role.
• Solid proficiency in Python - scripting, automation, and backend API development.
• Hands-on experience with REST API design and implementation (FastAPI or similar frameworks).
• Practical knowledge of relational and NoSQL databases and SQL - comfortable designing schemas and writing complex queries.
• Experience with GitHub Actions for CI/CD, release automation, and workflow management.
• Familiarity with Databricks and PySpark - or strong motivation to develop these skills rapidly.
• Working knowledge of Azure services - particularly Key Vault, Azure Repos, and Azure Active Directory.
• Understanding of Power BI semantic models and programmatic interaction via REST APIs or XMLA endpoints is a plus.
• Strong analytical thinking, communication skills, and adaptability in dynamic, evolving project environments.
• Fluent English communication, able to collaborate effectively across international teams.

Optional

• Experience with Databricks Unity Catalog and data governance practices.
• Familiarity with Power Platform - Power Apps, Power Automate, or Dataverse.
• Exposure to Docker and containerized deployments.
• Knowledge of OAuth2 / Azure AD authentication flows for API security.
• Experience working in data engineering or MLOps adjacent environments.

This is how we organize our work

Team size

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This is how we work on a project

What we offer

• Benefits:
• MyBenefit platform / Multisport
• Enel‑Med private medical care
• Professional Growth:
• Annual 2,000 PLN development budget
• Access to e‑learning platforms
• Real opportunities to expand responsibility and lead initiatives - most of our Leads come from internal promotions
• As the company continuously grows, you get real opportunities to expand your responsibilities, explore new areas, and even take ownership of your own initiatives.
• Work Environment:
• Long-term cooperation: UZ or B2B (we value stable, lasting relationships)
• Remote-first, work from anywhere in the world (workation)
• Flexible hours & strong focus on work-life balance
• Collaboration with top engineers you can truly learn from
• Flat structure - every voice counts, and you help shape the company
• Culture & Integration:
• Company-wide trips (including international ones)
• Team integration budgets
• Open communication and supportive, passionate teams

EQUAL OPPORTUNITY