Tatul Mesropyan

Built backend services in Go with PostgreSQL/MongoDB as reusable blocks across teams. Operated and evolved the Kubernetes platform, packaging services with Helm and managing GitOps via Argo CD. Designed automated CI/CD with GitLab CI, managing images in AWS ECR and infra via Terraform. Administered NATS messaging and observability with Prometheus, Grafana, and Loki. Focused on tooling and shared services to accelerate developers and DevOps engineers.

Built and maintained Go microservices for a scoreboard platform, ensuring reliability and scalability under high traffic. Designed APIs and event-driven workflows using Temporal, with data pipelines leveraging PostgreSQL, ClickHouse, Redis, and Kafka. Deployed services on Kubernetes, packaged with Helm. Infrastructure provisioned with Pulumi. Partnered with frontend teams to guarantee low-latency, score updates across multiple environments.

Implemented auth flows in Go with AWS Cognito, enabling smooth migration for legacy accounts. Maintained a BFF layer as a gateway to multiple microservices. Refactored monolithic features into independent services for scalability. Delivered an admin panel in NestJS for image management, empowering non-technical teams. Partnered with frontend/mobile teams to ensure secure, performant APIs and reliable user experience.

Developed and maintained customer-facing travel applications using React and Next.js, delivering performant user interfaces. Built reusable UI components and design patterns to unify the look and feel across products, reducing duplication and speeding up feature delivery. Collaborated with backend teams to integrate APIs and ensure smooth user flows across booking and account management features. Introduced best practices in testing and code reviews, improving code quality and long-term maintainability.

Delivered features across the stack using Node.js, PostgreSQL, and React/Redux, deploying regularly to staging and production. Contributed to UI development with MUI and ensured reliable delivery via Dockerized services. Optimized build processes and frontend performance, contributing to faster load times and improved customer experience.