Senior Software Engineer - Python

Confiz is seeking a Senior Software Engineer to join our Data Platform Delivery team to accelerate data modernization for a global retail client. This role will focus on building secure backend APIs and data integration layers, enabling direct distributor data submissions and driving automated reporting and analytics.

Responsibilities:

• Leads multidimensional projects involving backend API development, secure data handling, and Azure integration.
• Develops secure, scalable backend services using FastAPI or Flask, with strong focus on file validation and authentication.
• Builds and maintains RESTful APIs for file upload, schema validation, and real-time tracking.
• Implements secure access controls and integrates with Azure Entra ID (B2C) and OAuth2.
• Integrates backend services with Azure Blob Storage, Databricks, and Snowflake.
• Participates in design best practices and conducts detailed code reviews.
• Facilitates cross-functional debugging, root cause analysis, and production support when needed.
• Collaborates with front-end, DevOps, and QA engineers to ensure end-to-end delivery of platform components.
• Contributes to infrastructure provisioning and CI/CD pipeline automation using GitHub Actions.
• Ensures operational excellence through observability, alerting, and performance tuning.
• Mentors junior developers and promotes technical growth across the team.

Requirements:

• Proficiency in Python, with production experience in FastAPI or Flask frameworks.
• Strong understanding of Azure services, especially Blob Storage, App Services, Key Vault, and Azure AD B2C.
• Experience building and securing APIs with OAuth2, JWT, and role-based access control.
• Familiarity with Databricks and Snowflake, particularly in the context of data integration pipelines.
• Knowledge of CSV data handling, schema validation, and business rule enforcement.
• Hands-on experience with CI/CD pipelines, ideally using GitHub Actions.
• Solid understanding of containerized deployments (Docker); experience with Kubernetes is a plus.
• Strong SQL skills and knowledge of relational data modeling and transformation.
• Familiarity with cloud-native architecture and modern security practices.
• Excellent communication skills and ability to work collaboratively in distributed teams.
• 5+ years of professional experience in backend/API development, preferably in data or cloud-heavy enterprise environments.
• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or equivalent practical experience.

We have an amazing team of 700+ individuals working on highly innovative enterprise projects & products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast-growth fintech, and multiple Silicon Valley startups.

What makes Confiz stand out is our focus on processes and culture. Confiz is ISO 9001:2015 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM) and ISO 14001:2015 (EMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.

People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves. 

To know more about Confiz Limited, visit: https://www.linkedin.com/company/confiz-pakistan/