Senior Backend & Cloud Engineer - Go (Golang) Specialist | Microservices & Distributed Systems

Results-driven engineer with 27+ years of experience designing and deploying scalable, cloud-native backends. Expert in Go, microservices, distributed systems, and AWS. Proven ability to lead migrations, optimize performance, and build resilient architectures.

Core Technologies: Go, AWS (EKS, ECS Fargate, ECR, Lambda, RDS/Aurora, IAM, CloudWatch), Kubernetes, Helm, Docker, PostgreSQL, gRPC, REST, Prometheus/Grafana

Availability: Remote Contract | Part-Time | Project-Based

CogentProc - Texas

Senior Backend Engineer, December 2019 - Present

• Designed, developed, and deployed a suite of Go microservices (using REST/gRPC) on AWS ECS Fargate, forming the core backend for a new workflow automation and ERP integration platform.
• Engineered a high-performance Go service leveraging goroutines and channels for concurrent data processing, significantly reducing latency for batch job operations.
• Architected and implemented a gRPC-based communication layer between critical services, enhancing data consistency and decreasing inter-service latency.
• Created a reusable internal Go library for dependency injection and standardized database connection management, improving code maintainability and developer onboarding across the team.
• Containerized applications using Docker and managed orchestration via Kubernetes, utilizing Helm for package management.

Netdata - California

Golang Backend Developer, May 2019 - November 2019

• Developed containerized Go microservices for a real-time monitoring platform, handling high-volume telemetry data.
• Implemented REST APIs and WebSocket endpoints to facilitate real-time data streaming and client-server communication.
• Contributed to a resource-efficient backend architecture, optimizing for low latency (reduced by 40%) and high throughput in a data-intensive environment.

Difitek - California

Backend Engineer, March 2014 - May 2019

• Led the backend migration of a legacy PHP monolith to a modern architecture using Go microservices on AWS Lambda and Node.js, improving scalability and deployment agility.
• Built and integrated with numerous third-party REST APIs to extend platform functionality.
• Introduced Docker and infrastructure-as-code principles to standardize and automate development and deployment processes.

Open Source / Projects

Go Distributed Microservices Demo – Go (Golang), Docker, gRPC, PostgreSQL

backend-microservices

• Architected a 3-service (Go) system demonstrating REST APIs, gRPC, and design patterns
• Engineered for performance using goroutines for parallel data aggregation and an object pool for gRPC connections.
• Implemented full DevOps lifecycle: CI/CD to AWS ECS, Docker Compose, and monitoring with Prometheus/Grafana.
• Ensured reliability with a comprehensive test suite (unit + integration tests).

Kubernetes & Helm Deployment for Go Microservices on AWS EKS

backend-k8-helm

• Built a production-ready Kubernetes deployment platform for Go microservices on AWS EKS using Helm
• Created isolated Helm charts per service with environment-specific values (dev/stage/prod)
• Integrated Docker image builds and AWS ECR with Helm-based deployments
• Implemented secure secret injection and configuration management aligned with CI/CD best practices

E-Global Solutions - Minnesota

IBM Websphere Commerce Developer, October 2003 - March 2014

• Developed large and small e-commerce B2B and B2C applications for various organizations using IBM Websphere Commerce tools, including Honeywell, Mazda USA, West Marine, sitstay.com, hockeygiant.com

Seurat - Boulder, Colorado

IBM Websphere Commerce Developer, 2002 - 2003

• Developed B2C hach.com e-commerce website for water quality analysis leader Hach using IBM WebSphere Commerce Suite

Berbee - Madison, Wisconsin

Java Developer, 2000 - 2002

• Developed e-commerce B2B and B2C application websites for oshkosh.com, enasco.com, and landsend.com using IBM Websphere, Websphere Commerce, and DB2

Strategic Systems - Evanston, Illinois

Microsoft Visual Basic Developer, 1998 - 2000

• Developed business process optimization client-server applications for clients like Arthur Andersen, Philadelphia School District, Fuji Film, and Spiegel Magazine, using Microsoft Visual Basic, SQL Server, and VBA (Visual Basic for Applications)