Backend Developer

Role: Backend Developer. Experience: 5+ Years. Location: Remote. Timings: 2:30 PM to 11:30 PM IST. At Codvo, software and people transformations go hand-in-hand. We are a global empathy-led technology services company. Product innovation and mature software engineering are part of our core DNA. Respect, Fairness, Growth, Agility, and Inclusiveness are the core values that we aspire to live by each day. We continue to expand our digital strategy, design, architecture, and product management capabilities to offer expertise, outside-the-box thinking, and measurable results.

Responsibilities

Design and develop RESTful APIs using FastAPI following best practices in API design, versioning and documentation; Write complex T-SQL queries, stored procedures and database optimisations for relational data layers; Build and maintain data models and validation schemas using Pydantic v2; Author comprehensive automated test suites using Pytest, Tavern or equivalent API-level integration testing frameworks; Collaborate with frontend and integration teams to define API contracts and data exchange formats; Participate in code reviews, architectural discussions and sprint planning ceremonies; Identify and resolve performance bottlenecks, security vulnerabilities and reliability issues; Maintain clear technical documentation for APIs, data flows and service integrations

Requirements

5+ years experience; Python (3+ years production Python development; clean, testable, idiomatic code); T-SQL (strong proficiency in writing and optimising SQL queries, stored procedures and data transformations); FastAPI & REST API Design (hands-on experience building production REST APIs with FastAPI; understanding of HTTP standards, status codes, pagination and error handling); API Testing (practical experience with Pytest, Tavern or similar frameworks for integration and contract testing); Pydantic v2 (proficient in defining, validating and serialising data models with Pydantic v2); Strong problem-solving ability with a pragmatic, delivery-focused mindset; Comfortable working in an Agile / Scrum environment with short release cycles; Good communication skills — able to translate technical complexity into clear language for stakeholders; A collaborative team player who takes ownership of their work end to end

Nice to have

Azure; Authentication & Security; SharePoint/O365 REST API integration; PDF generation & file processing; CI/CD Pipelines