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 Software Engineer to lead the design and evolution of a next-generation AI Gateway platform that enables secure, scalable, and governed access to Large Language Models (LLMs) and agentic workflows across the enterprise in a SAAS environment.

Responsibilities

Develop the AI Gateway platform, including MCP, agents, LLM routing, governance, and observability

Translate business and product requirements into clear problem statements, architectural designs, and scalable technical solutions

Design extensible frameworks for MCP server capabilities and integrations, as well as agent orchestration and reusable agent skills

Architect gateway capabilities such as semantic caching for LLM responses, rate limiting, quotas, traffic governance, and guardrails and validation layers for safe LLM/MCP usage

Design and review authentication and authorization models, including multiple OIDC-based flows, identity propagation, and token-based access control for MCP and LLM traffic

Build prototypes and reference implementations to validate architectural decisions and guide engineering teams





Partner with multiple product teams integrating with the AI Gateway, providing architecture guidance, best practices, and integration patterns

Review designs and code, providing actionable feedback to ensure quality, performance, scalability, and security

Define and review CI/CD best practices using modern GitHub-based pipelines

Architect and review Kubernetes-based deployment models, ensure scalability, resiliency, and production readiness

Requirements

3+ years of software engineering experience, including significant responsibility in a principal engineer role

Proven experience designing and delivering large-scale distributed systems or platform products

Proficiency in Golang and Python

Familiarity with AI centric development with strong emphasis on quality gates and architecture patterns to enforce agentic behavior in producing quality code

Deep understanding of AI gateways, AI/LLM platforms, or middleware systems, including routing, governance, and scalability

Experience with microservices and service-oriented architectures for multi-tenant SAAS environments

Skills in PostgreSQL for transactional data and Redis for caching and distributed coordination

Strong background in authentication and authorization systems, particularly OAuth-based approaches





Demonstrated ability to independently drive problem definition, architecture, prototype, and execution guidance

Experience designing platforms and frameworks used by multiple product teams

Nice to have

Experience with MCP (Model Context Protocol), agentic platforms, or AI orchestration frameworks

Knowledge of working with EDA software

Prior work on LLM gateways, API gateways, or AI middleware platforms

Experience building generic developer frameworks or SDKs adopted across teams

Familiarity with guardrails, semantic caching, prompt/response optimization, and LLM cost control techniques

Experience operating high-throughput, low-latency systems in Kubernetes environments

Strong written and verbal communication skills for cross-team architectural alignment

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

General 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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📌 Senior Software Engineer - MCP Server (Ciudad de México)
🏢 Epam Systems
📍 Ciudad de México