Backend & Data Engineer; Python

Join to apply for the Backend & Data Engineer (Python) role at Billennium

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!

We are looking for a Backend & Data Engineer to design and develop high-performance, asynchronous RESTful APIs and data solutions using Python and Mongo

DB Atlas
. You will work with modern cloud services and focus on scalability, performance and secure authentication.

• Design and develop asynchronous REST APIs using FastAPI and Uvicorn
• Build and maintain data access layers using Mongo
  
  DB (pymongo, motor, Beanie ODM)
• Identify and optimize slow queries and indexes in MongoDB
• Implement secure authentication and authorization using OAuth2 and JWT
• Integrate backend services with AWS services (S3, Lambda, Glue) via Boto3
• Work with external APIs, including Google Sheets API

• Strong experience with Python and the modern Python ecosystem
• Hands-on experience with FastAPI, async programming and REST API design
• Advanced knowledge of Mongo
  
  DB, including data modeling and performance optimization
• Experience with Mongo
  
  DB Atlas in production environments on AWS
• Practical experience with OAuth2 and JWT
• Experience integrating cloud services and external APIs

• Comprehensive benefits – enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.
• Flexibility – adaptable working hours and remote/hybrid work options to suit your lifestyle & location.
• Career growth – access to training, certifications and development paths supported by our partnerships with Microsoft, AWS, Snowflake, Salesforce and more.
• Global collaboration – work with a diverse, international team.
• Innovative environment – be part of a forward-thinking and growth-oriented workplace.
• Engaging community – participate in team-building events, hackathons and CSR initiatives.
• Company events – including our annual team event in Mazury.
• A welcome pack to kick off your journey with us.

• Associate

• Full-time

• Information Technology

• IT Services and IT Consulting

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