Backend Developer

Backend Developer

Experience: 5+ Years

Location: Remote

Timings: 2:30 Pm to 11:30 PM IST

Company Overview:

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.

Roles and Responsibilities

• Required skills:

• Python
• T-SQL
• FastAPI & REST API design
• Pytest, Tavern, or similar API-level integration testing frameworks
• Pydantic v2

• Preferred skills:

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

Based on above skill sets Key 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

Required Skills & Experience:

Skill Detail

Python 3+ years of 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 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

Preferred Skills & Experience:

Skill Detail

Azure Familiarity with Azure services — App Service, Azure Functions, Azure SQL, Key Vault or Azure DevOps

Authentication & Security Working knowledge of OAuth 2.0, JWT, API key management and role-based access control (RBAC)

SharePoint / O365 REST API Experience integrating with Microsoft Graph API, SharePoint REST endpoints or O365 services

PDF Generation & File Processing Exposure to libraries such as ReportLab, WeasyPrint, PyMuPDF or similar for document generation and processing

CI/CD Pipelines Experience configuring and maintaining CI/CD pipelines using GitHub Actions, Azure DevOps, GitLab CI or equivalent

What We're Looking For:

• 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