Senior Python Engineer

Company: EPAM Systems

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 seeking a Senior Python Engineer to join our dynamic team.
You will play a key role in driving technical innovation and supporting the evolution of our cloud-based solutions. This is an opportunity to work in a collaborative environment where your expertise will help shape the future of our technology landscape.
Responsibilities
* Participate in a specification-driven software development lifecycle to ensure clarity and alignment across the team
* Develop AI-powered enhancements to improve design, delivery, and troubleshooting processes
* Assess and recommend new tools and solutions for potential adoption in enterprise-level AI initiatives
* Design, implement, and maintain AWS Lambda services and API Gateway endpoints using Python and boto3
* Lead the migration of CI/CD processes from legacy pipelines to GitHub Actions workflows
* Manage infrastructure as code primarily with Terraform and also support Serverless framework deployments
* Execute refactoring of existing systems, decommission outdated services, and manage migrations such as OAuth transitions, WAF block-mode activation, and security remediations
* Configure and optimize AWS WAF rules and address security issues identified by SAST and SCA tools
* Integrate internal and external systems through REST APIs, including handling OAuth client credentials flows with platforms like ServiceNow
* Automate operational workflows and contribute to agentic platform projects using tools such as n8n, LangChain, or similar orchestration solutions
* Work closely with the SRE Consultant to address telemetry gaps and automate data collection for Lambda functions
Requirements
* Minimum of 3 years of experience in Python development, with a strong focus on AWS Lambda and API Gateway in production settings
* Proficiency with boto3, including hands-on experience with IAM, Secrets Manager, SSM, Lambda, API Gateway, CloudWatch, and WAF
* Solid background in using Terraform for infrastructure as code in production, with the ability to write, refactor, and review modules
* Experience maintaining and migrating legacy stacks using the Serverless Framework
* Expertise in configuring AWS WAF rules, enabling block-mode, and responding to security incidents
* Familiarity with security tools such as SAST and SCA, and experience working within structured compliance programs
* Demonstrated success in brownfield environments, including migrations, decommissions, and refactoring of existing systems
* English language proficiency at B2+ level or higher, both written and spoken
Nice to have
* Practical experience authoring CI/CD pipelines with GitHub Actions, especially in the context of migrating from cicd-functions to GitHub Actions
* Experience integrating with ServiceNow for workflow automation or system integration
* Familiarity with Snowflake for data warehousing and analytics tasks
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

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