Python Full stack Lead

Quantum Technologies. LLC; Los Angeles (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Quantum Technologies. LLC in Los Angeles is seeking a Python Fullstack Lead to architect cloud-native, distributed systems and scalable, secure production-ready architectures.

You will translate business needs into robust designs and guide cross-functional teams. The role combines backend with Python and frontend guidance using React and TypeScript, ensuring tight integration with microservices via REST/GraphQL, while leveraging AWS/Azure/GCP environments to deliver resilient ecommerce-ready

Qualifications

• Experience designing cloud-native microservices.
• Hands-on with React and TypeScript.
• Strong knowledge of IAM/OAuth2/OIDC/JWT and security practices.
• Experience with multi-region, high-volume ecommerce domains is a plus.

Responsibilities

• Design cloud-native microservices with Python and DDD.
• Define architecture standards, API contracts, and service interactions.
• Design REST/gRPC APIs, gateways, and security models.
• Create event-driven architectures using Kafka or cloud messaging.
• Apply distributed-systems patterns like Saga and CQRS.
• Build scalable, highly available systems with Docker, Kubernetes, and serverless.
• Ensure security via IAM/OAuth2/OIDC/JWT and secret management.
• Define front-end architecture with React/TypeScript and integrate via REST/GraphQL.
• Experience with ecommerce and headless components is a plus.

Skills

Python

Fullstack leadership

Distributed systems

Cloud platforms (AWS/Azure/GCP)

React

TypeScript

Docker

Kubernetes

REST/gRPC APIs

DDD

Tools

Docker

Kubernetes

API design tooling

Job description

We are seeking a Python Fullstack Lead with deep expertise in Python, distributed systems, cloud-native architecture, and microservices. The candidate must have in-depth expertise in at least one major cloud platform — AWS, Azure, or GCP and the ability to translate business requirements into scalable, resilient, secure, and production-ready architectures. The candidate should also have hands-on experience with React and TypeScript to guide front-end architecture and its integration with backend services.

Key Responsibilities

• Design cloud-native microservices using Python, applying Domain-Driven Design (DDD), appropriate service boundaries, and loosely coupled architectures.
• Define HLD/LLD, API contracts, service interactions, data ownership, integration patterns, and architecture standards.
• Design REST/gRPC APIs, API gateways, authentication/authorization, versioning, rate limiting, idempotency, and backward compatibility.
• Design event-driven and asynchronous architectures using Kafka or cloud-native messaging services; address ordering, retries, duplicate messages, DLQs, replay, and eventual consistency.
• Apply distributed-systems patterns including Saga, CQRS, Outbox, Circuit Breaker, Retry/Backoff, Bulkhead, and distributed caching.
• Design highly available and scalable solutions using Docker, Kubernetes, serverless and managed cloud services.
• Ensure application and infrastructure security using IAM/RBAC, OAuth2/OIDC, JWT, mTLS, secrets management, encryption
• Define front-end architecture standards for React and TypeScript applications, including component design, state management, and integration with backend microservices via REST/GraphQL APIs or Backend-for-Frontend (BFF) layers.
• Ideal candidate should have worked on an eCommerce domain and have basic ideas on composable package components in eCommerce like headless CMS, headless search etc and have hands on experience integrating them via backend services.

Technical Requirements

• Python 3.x, FastAPI/Flask/Django, asyncio, concurrency, type hints, testing, profiling and performance optimization.
• Hands-on experience with React and TypeScript, including hooks, state management (e.g., Redux, React Query), component-based architecture, front-end performance optimization, and testing.
• Expert-level knowledge of AWS OR Azure OR GCP (AWS will be preferred), including compute, containers/Kubernetes, API Gateways, networking, IAM/security, databases, messaging, storage, monitoring and serverless capabilities.
• Strong understanding of designing and implementing event driven architecture using a cloud provider leveraging patterns like fan out (Eventbridge, SNS, SQS / Kinesis in case of AWS) with proper message / data redundancy and fall back mechanisms.
• Strong SQL and database design skills with PostgreSQL/MySQL/Oracle plus experience with NoSQL technologies such as DynamoDB, MongoDB, Cosmos DB, Cassandra or equivalent.
• Experience working with AI tools would be a plus
• Experience with retail/e-commerce, high-volume transaction processing, multi-region architectures.
• Strong understanding of system design, distributed systems, scalability, resilience, security and production operations

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.