Senior Platform Engineer (API & Gateway - Data & AI Platform)

EPAM Systems is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and startups. With over thirty years of expertise in custom software, product and platform engineering, they empower clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

• 5+ years of experience in platform or software engineering with expert proficiency in Python
• Hands-on experience building APIs and SDKs on distributed services, including client libraries
• Proficiency in FastAPI, REST/async design, API versioning, and contract testing
• Expertise in gateway architectures, orchestration, API integration, and routing
• Knowledge of IAM concepts including RBAC/ABAC models, managed/workload identity, and token delegation
• Hands-on experience with Azure and GCP, including private endpoints and multi-cloud integration
• Skills in CI/CD and automation using Azure DevOps or GitHub Actions
• Familiarity with observability tools: OpenTelemetry, Prometheus, Loki, Tempo, and Grafana
• Ability to unify fragmented services into one coherent product
• English language proficiency at B2 level or higher

• Design and build APIs and SDKs on top of distributed platform services using Python/FastAPI
• Define REST/async API design standards, versioning strategies, and contract testing practices
• Develop client libraries for consistent, reliable platform access
• Architect and maintain a gateway layer to front platform services
• Establish orchestration and routing patterns to converge independent services
• Implement RBAC/ABAC least-privilege authorization models at the gateway
• Manage identity and token flows including managed/workload identity and delegation
• Build and maintain CI/CD pipelines using Azure DevOps or GitHub Actions with a test-first approach
• Produce clear service contracts and documentation
• Integrate services across Azure and GCP using private endpoints
• Implement observability using OpenTelemetry, Prometheus, Loki, Tempo, and Grafana
• Use metrics, traces, and logs for debugging and tuning production performance

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