We are looking for a Senior Python Stack Developer to join our team. This role centers on strengthening cloud infrastructure and delivery practices while introducing AI-driven improvements into everyday engineering workflows. If you enjoy modernizing legacy systems and working across security, automation, and platform tooling, we would love to hear from you.
Responsibilities
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Work within a spec-driven software development lifecycle
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Develop AI-driven improvements to design, delivery, and triage practices
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Evaluate new tooling and solutions as candidates for enterprise-level AI enablement offerings
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Design, build, and maintain AWS Lambda services and API Gateway endpoints using Python and boto3
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Lead the CI/CD migration from legacy cicd-functions pipelines to GitHub Actions workflows
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Manage infrastructure as code using Terraform as the primary tool, along with Serverless frameworks
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Execute brownfield refactors, service decommissions, and migrations, such as OAuth migrations, WAF block-mode enablement, and Mythos SAST/SCA remediations
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Configure and tune AWS WAF rules, and resolve security findings surfaced by SAST and SCA tooling
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Integrate internal and third-party systems via REST APIs, such as ServiceNow OAuth client credentials flows
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Automate operational workflows and support agentic platform initiatives, with tools like n8n, LangChain, or equivalent orchestration frameworks considered a plus
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Collaborate with the SRE Consultant on telemetry gaps and Lambda-based data collection automation
Requirements
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A minimum of 3 years of Python development experience with a focus on AWS Lambda and API Gateway in production environments
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Fluency with boto3 across services including IAM, Secrets Manager, SSM, Lambda, API Gateway, CloudWatch, and WAF
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Experience with Terraform for infrastructure as code in production, including the ability to write, refactor, and review modules
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Experience with the Serverless Framework, including maintaining and migrating legacy stacks
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Experience with AWS WAF, including rule configuration, block-mode enablement, and incident response
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Familiarity with security tooling such as SAST and SCA, along with exposure to a structured compliance programme
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A brownfield mindset, with a proven track record of migrations, decommissions, and refactors rather than greenfield builds
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Excellent English proficiency (B2 level or higher)
Nice to have
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Hands-on experience authoring CI/CD pipelines with GitHub Actions, and comfort working at the forefront of a cicd-functions to GHA migration
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Familiarity with ServiceNow
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Familiarity with Snowflake
We offer
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International projects with top brands
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Work with global teams of highly skilled, diverse peers
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Healthcare benefits
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Employee financial programs
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Paid time off and sick leave
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Upskilling, reskilling and certification courses
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Unlimited access to the LinkedIn Learning library and 22,000+ courses
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Global career opportunities
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Volunteer and community involvement opportunities
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EPAM Employee Groups
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Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn
