Senior Full Stack Python Engineer (Integrations)

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

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.

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 practices

English proficiency at B2 (Upper-Intermediate) level or above

Nice to have Background in healthcare, laboratory, or regulated environments

Experience integrating third-party platforms via REST APIs, webhooks, and event streams

Familiarity with workflow orchestration tools such as AWS Step Functions or Temporal

Ability to design resilient, observable cloud-native systems

We offer International projects with top brands

Work with global teams of highly skilled, diverse peers

Healthcare benefits

Employee financial programs

Paid time off and sick leave

Upskilling, reskilling and certification courses

Unlimited access to the LinkedIn Learning library and 22,000+ courses

Global career opportunities

Volunteer and community involvement opportunities

EPAM Employee Groups

Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.

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