We are building scalable, cloud-native services and web apps and need a Senior Full Stack Python Engineer (Integrations) to shape robust integrations. You will design event-driven and serverless solutions on AWS, deliver reliable REST APIs and webhooks, and build modern React/TypeScript front ends while coordinating with product, engineering, and external teams to ship dependable platform capabilities—apply now.
Responsibilities
Design, build, and maintain scalable, cloud-native applications and services
Implement event-driven architectures using AWS Lambda, EventBridge, SQS, and Step Functions
Develop and operate long-running, fault-tolerant workflows and asynchronous processing solutions
Architect, deliver, and support REST APIs, webhooks, and third-party system integrations
Create backend services with Python, FastAPI, and PostgreSQL
Build modern front-end applications with React and TypeScript
Deploy and manage AWS infrastructure using Infrastructure as Code (CDK)
Model data and optimize application performance in PostgreSQL
Collaborate with product, engineering,



and external teams to deliver dependable integrations and platform features
Contribute to Agile ceremonies, code reviews, and technical design discussions
Requirements
Proven experience (3+ years) building applications in Python
Hands-on experience designing event-driven and serverless architectures on AWS
Practical knowledge of AWS Lambda, EventBridge, and SQS
Strong proficiency with AWS Step Functions, IAM, and CDK
Demonstrated expertise architecting and delivering REST APIs, webhooks, and system integrations
Solid experience with PostgreSQL, including schema design and query optimization
Ability to develop web services using FastAPI and Pydantic
Competency with React, TypeScript, and Redux
Working knowledge of distributed systems, asynchronous processing, and workflow orchestration
Clear understanding of OAuth2 authentication and authorization
Proficiency using Git, Jira, and Agile development practi

📌 Senior Full Stack Python Engineer (Argentina)
🏢 EPAM Systems
📍 Argentina