Senior Full Stack Developer (Python Backend Focus)

Quick Interview|| Python Developer || Full Time ||Miami, FL ( Onsite )

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Full Stack Developer (Python-Heavy / Backend-Focus

ed)Role Deta

• ilsExperience 12 Ye
• arsRole Type: Individual Contribu

tor
Role Over

viewWe are seeking a highly skilled Full Stack Developer with deep, hands-on Python backend engineering experience as the core of the role, complemented by working proficiency in ReactJS for frontend development. This is a backend-first full-stack position — candidates must demonstrate strong depth in Python services, database design, and authentication/authorization frameworks, along with a solid understanding of AI, Agentic AI systems, and the Model Context Protocol (M

CP).
Key Responsibil

• itiesDesign and develop scalable, production-grade backend services using Python frameworks (FastAPI / Flask / Dj
• ango)Architect, build, and integrate RESTful APIs and backend microservices with strong attention to performance, reliability, and sec
• urityDesign and optimize relational database structures using PostgreSQL / MySQL / SQL Server — including schema design, indexing strategies, query optimization, and data mod
• elingImplement robust authentication and authorization frameworks beyond basic JWT — including OAuth 2.0 / OpenID Connect, SSO integrations, session management, token lifecycle (refresh/rotation/revocation), and role-based / attribute-based access control (RBAC/
• ABAC)Develop responsive frontend applications using ReactJS (Hooks, state management) to support backend-driven fea
• turesIntegrate AI and LLM-powered capabilities into backend services, including agentic workflows and tool-calling pat
• ternsApply MCP (Model Context Protocol) concepts to connect AI agents with backend services, APIs, and data so

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• urcesCollaborate with cross-functional teams on API contracts, data flows, and end-to-end feature del

iveryMust-Have S

• killsPython Backend (Primary): Strong, hands-on experience building backend services with FastAPI / Flask / Django — async patterns, dependency injection, middleware, API versioning, testing, and production deplo
• ymentDatabases: Deep practical experience with PostgreSQL / MySQL / SQL Server — complex queries, joins, indexing, transactions, ORM usage (SQLAlchemy / Django ORM), and performance t
• uningAuthentication & Security: Demonstrated depth in auth frameworks beyond JWT basics — OAuth 2.0, OIDC, SSO, RBAC, secure session handling, and API security best prac
• ticesRESTful APIs: Proven experience designing, building, and integrating REST APIs and backend services at
• scaleAI / Agentic AI / MCP: Solid understanding of LLM fundamentals, agentic AI architectures (planning, tool use, multi-step workflows), and the Model Context Protocol (MCP) for agent–system integration; familiarity with frameworks such as LangChain / LangGraph is a strong
• plusReactJS (Secondary): Hands-on expertise with ReactJS — Hooks, component lifecycle, and state management (Redux / Context

API)Candidate Profile Expecta

• tionsBackend-dominant full-stack engineer: roughly 80–90% Python/backend and 10–20% React in day-to-day work, must have AI experi
• ence.Must be able to demonstrate, in technical conversation, real depth in Python, database design, and authentication frameworks — not just frontend fl
• uencyFrontend-heavy profiles (e.g., 80/20 frontend/backend) will not be a fit for this

role


Ha

rsh JainSr.Technical R

ecruiterharsh.jain@quantumwor

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