Senior Python API Developer – Healthcare Data Integration

Empower healthcare transformation — build innovative APIs that drive data integrity and clinical impact!

Warszawa-based opportunity with remote work model (5 days/week)

As a Senior Python API Developer – Healthcare Data Integration, you will be working for our client, a leader in healthcare IT, dedicated to advancing patient care through cutting-edge data solutions. You will play a crucial role in designing, developing, and maintaining robust backend services that facilitate seamless healthcare data exchange and analysis, supporting smarter decision-making and improved outcomes.

Your main responsibilities:

• Design, develop, and maintain production-grade APIs in Python, with a focus on FastAPI, to enable real-time healthcare data processing

• Build backend services that interface live data from multiple internal and external healthcare sources, ensuring reliability and scalability

• Implement API logic including validation, error handling, authentication, logging, and monitoring to uphold high standards of quality and security

• Develop asynchronous services and integrations to optimize performance across large, complex datasets

• Write, optimize, and maintain complex SQL queries supporting operational and analytical reporting

• Integrate diverse healthcare data sources, including claims, patient records, admissions, discharges, and referrals, into unified API outputs

• Ensure data consistency, accuracy, and quality through validation, reconciliation, and transformation processes

• Collaborate with cross-functional teams, including engineers, analysts, and stakeholders, translating requirements into scalable backend solutions

• Maintain clear technical documentation, API documentation, and developer guides

• Adopt modern Python and development practices, including Git workflows and code reviews, to contribute to a high-quality engineering environment

You're ideal for this role if you have:

• At least 5 years of professional experience in Python backend or service development

• Proven expertise in building APIs with FastAPI and solid understanding of API design principles

• Strong knowledge of asynchronous programming in Python

• Deep SQL skills, including writing complex queries with CTEs, window functions, and aggregations on large datasets

• Experience integrating multiple data sources with varying schemas and data quality levels

• Familiarity with data validation, reconciliation, and transformation in healthcare or related fields

• Comfortable working with live, real-time operational data in production environments

• Good understanding of service architecture, backend best practices, and scalable solutions

• Experience with Git-based collaborative workflows and technical documentation

It is a strong plus if you have:

• Knowledge of healthcare data systems and standards

• Certifications or experience in data quality, data integration, or related fields

Language Required for the role :

• Fluent in English

Eligibility for the role :

• Not required to have existing legal right to work in the European Union

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

We offer you 

At ITDS, you will work on innovative and impactful technology projects for international companies across multiple industries in Europe and beyond. We create an environment for ambitious, driven professionals who want to grow, deliver value, and build their careers in modern IT and digital transformation. 

Our offer includes: 

• Stable and long-term cooperation with attractive conditions 

• Opportunities to develop your technical expertise across various industries and technologies 

• The chance to work on high-impact, strategic IT and digital transformation projects 

• A clear career path and the opportunity to grow quickly by contributing to diverse client initiatives over time 

• International environment, knowledge sharing, social events, and training opportunities 

• Access to an attractive medical package 

• Access to the Multisport program 

• Access to learning platforms such as Pluralsight 

• Flexible working hours and remote work options 

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