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Sagar Poudel

Senior Software Engineer - 6+ years of experience architecting and building cloud-native, secure, and scalable systems

Kroger
Dallas, TX

Professional Summary

What I Bring

Senior Software Engineer · 5+ Years

Architecting Cloud-Native, Secure, and Scalable Systems

  • Architect cloud-native microservices, event-driven systems, and secure APIs using Spring Boot, Kafka, and Redis.
  • Deliver highly available platforms on Azure with Kubernetes, Terraform, and automated DevOps pipelines.
  • Engineer scalable REST APIs with Domain-Driven Design (DDD) and Hexagonal Architecture.
  • Lead Agile engineering with clean code, security-first practices, and zero-downtime CI/CD.
  • Driving force behind production-grade software that fuels business growth, innovation, and technical excellence.

Work Experience

Professional Journey

Senior Java Backend Engineer

Kroger

Architecting and building the Digital Assets Platform on Azure with event-driven microservices, secure REST APIs, and zero-downtime deployments.

  • Designed event-driven architecture using Apache Kafka, processing 100k+ assets daily with low-latency delivery.
  • Built and secured Spring Boot REST APIs conforming to OpenAPI 3.0, accelerating partner integrations.
  • Optimized CI/CD with GitHub Actions, Docker, and JFrog Artifactory, reducing deployment time by 50%.
  • Implemented Blue-Green Deployment for Kubernetes clusters, achieving zero-downtime production rollouts.
  • Championed DDD and Hexagonal Architecture; led architecture reviews and mentored junior engineers.

Application Developer

Kansas State University

Developed and maintained applications for Kansas State University, with emphasis on Spring Boot microservices, secure APIs, and test-driven delivery.

  • Practiced Test-Driven Development (TDD) to deliver reliable, well-tested features.
  • Built backend services and APIs using Spring Boot.
  • Designed and developed scalable Spring Boot microservices-based systems, enhancing maintainability and platform resilience.
  • Engineered secure REST APIs with Spring Security, OAuth2, and JWT for enterprise-grade authentication and authorization.
  • Optimized backend database operations with advanced SQL and stored procedures, achieving faster query performance.
  • Implemented JUnit and Mockito-based TDD workflows, achieving over 90% unit test coverage and reducing production defects.
  • Led performance tuning initiatives across services, improving response times and throughput under load.
  • Participated in architecture reviews and peer code reviews, improving code quality and consistency.
  • Mentored junior developers on REST API best practices, secure coding standards, and performance optimization.

React Developer

Microsoft

Contributed to web applications and API integration at Microsoft, with focus on dynamic UIs and API design.

  • Developed user interfaces using React.js.
  • Designed and integrated REST APIs for front-end consumption.
  • Built and optimized dynamic UI components, improving frontend performance and reducing page load times.
  • Engineered REST API design patterns and collaborated on API-first development with backend teams.
  • Participated in code reviews and contributed to consistent API contracts and documentation.

Contract & Freelance

Selected Projects

API Development & System Migration

Lawson Products

Led monolith-to-microservices migration and established cloud-native CI/CD and API standards.

  • Architected monolith-to-microservices migration using Spring Boot and DDD.
  • Applied Hexagonal Architecture for service isolation and testability.
  • Built CI/CD with GitHub Actions, Docker, and Kubernetes; reduced deployment time by 50%.
  • Established OpenAPI documentation, OAuth2.0 security, and testing best practices.

Startup Ramp-Up · Event-Driven Microservices

Aqueduct Product

Technical discovery, event-driven design, and full-stack delivery for early-stage product.

  • Led technical discovery with PMs and stakeholders; defined MVP and scaling roadmap.
  • Architected event-driven microservices using Kafka and Redis for real-time data streaming.
  • Built automated CI/CD on AWS with GitHub Actions and Docker.
  • Introduced security-first API design and lean, iterative delivery.

Education

Academic Background

Master of Science in Information Technology

University of the Cumberlands

June 2022 – May 2024 · Williamsburg, KY

Bachelor of Science in Computer Science

University of Louisiana Monroe

Aug 2015 – May 2019 · Monroe, LA

Technical Skills

Technologies & Practices

Languages

JavaTypeScriptSQLPythonJavaScript

Frameworks

Spring BootSpring CloudAngularDjango

Cloud & DevOps

AzureAWSKubernetesDockerGitHub ActionsTerraformJenkinsArgoCD

Databases

PostgreSQLMySQLRedisMongoDB

Messaging

Apache KafkaKafka StreamsRabbitMQ

Security

OAuth2JWTHashiCorp VaultRBAC

Architecture

DDDHexagonal ArchitectureEvent-DrivenMicroservicesClean Architecture

Practices

TDDAgileCI/CDREST APIsOpenAPI 3.0

Released under the MIT License.