Senior/Lead Software Engineer (Python)

The purpose of the project is to develop new Quality Management System (QMS) web portal. There was discovery phase where team was gathering requirements and drafted architecture. Scope includes integration with platform that includes a collection of MCP servers, a set of agents, a prompt store, and dedicated UIs and APIs for managing these components. It also provides user-facing UIs and APIs, including a chat interface with extended functionality. Also, it incorporates RAG pipelines and integrates with the Data Management Service.

Responsibilities

• Design and develop scalable and maintainable RESTful and/or GraphQL APIs to support frontend applications
• Aggregate and integrate data from multiple downstream services, ensuring a clean and efficient API layer
• Ensure high performance and low latency of API endpoints through optimization and caching strategies
• Implement and maintain secure authentication and authorization mechanisms across services
• Define and enforce API design standards, including versioning, validation, and error handling
• Create and maintain clear and up-to-date API documentation using tools like OpenAPI/Swagger
• Collaborate with frontend and other backend teams to ensure seamless integration and data flow
• Apply security best practices to protect data and services across the system

Requirements

• Strong experience building RESTful and/or GraphQL APIs that serve frontend applications directly
• Proficiency in a server-side language suited for API development (preferably Python)
• Deep understanding of API design best practices — including versioning, pagination, error handling, and request validation
• Experience implementing authentication and authorization mechanisms (JWT, OAuth, RBAC, session management)
• Familiarity with caching strategies (CDN, Redis, HTTP cache headers) and performance optimization techniques for latency-sensitive endpoints
• Experience with API documentation standards and tools (OpenAPI/Swagger) and contract-first development approach
• Strong understanding of security best practices, including input validation, rate limiting, CORS, and data masking for role-based access

We offer

• Opportunity to work on bleeding-edge projects
• Work with a highly motivated and dedicated team
• Competitive salary
• Flexible schedule
• Benefits package - medical insurance, sports
• Corporate social events
• Professional development opportunities
• Well-equipped office

About Us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.