Lumnix

About the Role

We are looking for a Python Backend Engineer to design, build, and support scalable backend services and data-driven applications. You will work with modern technologies including FastAPI, SQL, and Snowflake, and contribute to API development, third-party integrations, and cloud-based data solutions. You will be a key driver of operational excellence through advanced testing, CI/CD, and mentorship.

Key Outcomes & Responsibilities

• Architectural Excellence: Write high-quality, testable Python code (FastAPI) and set engineering standards for simplicity and maintainability.
• Advanced Integrations: Design and implement complex integrations across internal services, cloud data platforms (Snowflake), and third-party systems using REST, webhooks, and OAuth2.
• Data Strategy: Develop and optimize SQL for analytics and operational use cases, including schema design and query performance tuning.
• Mentorship & Leadership: Review code created by other engineering staff to provide timely feedback and mentor junior/mid-level peers on development best practices.
• Operational Ownership: Drive CI/CD and DevOps initiatives, ensuring robust observability (logging/metrics) and incident response for production APIs.

Required Qualifications

• Experience: 5+ years of experience as a Software Engineer or Developer.
• Expertise: Expert-level proficiency with Python and modern backend frameworks like FastAPI.
• Cloud/Data: Significant experience with cloud data platforms (e.g., Snowflake) and cloud service providers (AWS/Azure).
• Integration: Expert in authentication patterns (OAuth2, API Keys) and integrating third-party systems.
• Tools: Expert in source control (GitHub) and Jira/Confluence for technical documentation.
  
  Nice to Have
• CI/CD and DevOps experience
• Docker / containerization
• Observability (logging, monitoring)
• Cloud experience (AWS / Azure / GCP)