HK .
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Software Engineer · Full Stack · Cloud

Building
reliable
digital systems.

I’m Harsh Kumar — a Software Engineer focused on Java, Spring Boot, microservices, cloud infrastructure and modern web applications.

Explore my work Get in touch
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01 — About

From backend engineering to
polished user experiences.

I work across the stack, turning product requirements into maintainable services, responsive interfaces and cloud-ready deployments. My strongest focus is backend engineering with Java and Spring Boot, while keeping a practical full-stack and DevOps mindset.

✉ hk236091@gmail.com in
Illustrated portrait of Harsh Kumar in a dark hoodie

02 — Professional Journey

Experience

My professional journey so far — roles, responsibilities and technologies I work with.

May 2024
—
Present

Software Engineer @ Coforge

Working on production-grade software with Java, Spring Boot, microservices, REST APIs, AWS, Docker, Kubernetes and CI/CD. Focused on robust backend systems and scalable full-stack applications.

JavaSpring BootAWSDockerKubernetesCI/CD
Feb 2024
—
May 2024

Software Engineering Experience @ Reachify

Contributed to software development work while building the foundation for a broader full-stack engineering profile.

Full StackWebEngineering

03 — Selected Work

Projects

Some of the impactful projects I’ve worked on.

01↗

Production System

British Airways CUSS Kiosk System

Built a production-grade kiosk application with Spring Boot backend services and REST APIs, supporting reliable airport self-service workflows. Designed the delivery flow around GitHub Actions CI/CD, reducing deployment time by about 60% while improving release safety across deployments.

JavaSpring BootREST APIsAWSCI/CD
60%faster deployment
CI/CDautomated delivery
PRODproduction-grade
02↗

DevOps & Cloud Monitoring

DevOps Pipeline with Cloud Monitoring

Built a production-grade Spring Boot REST API, containerized it with Docker, provisioned AWS infrastructure with Terraform, and added Kubernetes delivery plus real-time Prometheus/Grafana observability.

JavaSpring BootDockerKubernetesTerraformAWSGitHub ActionsPrometheusGrafana
40%fewer env failures
80%less setup time
60%faster detection
99.9%uptime
03↗

Event-Driven Platform

FraudShield — Real-Time Fraud Detection

Production-grade, event-driven fraud detection platform. Six Spring Boot microservices communicate over Apache Kafka to score every payment event against a dynamic rules engine (velocity, amount anomaly, geo-mismatch) in under 100 ms P99. Secured with JWT auth and refresh-token rotation, RBAC and token revocation, with circuit breakers, retries and DLQ for resilience.

Java 21Spring BootApache KafkaSpring SecurityJWTRedisPostgreSQLResilience4jDocker
<100msP99 detection
6microservices
RBACsecure auth
EVENTdriven + resilient
Live Demo ↗ GitHub ↗

04 — Tech Stack

Tech Stack

The tools and technologies I use to build, ship and operate modern software.

JavaSpring BootMicroservicesREST APIsSpring Security JavaScriptTypeScriptReactAngularNode.js PythonDjangoPostgreSQLMySQLMongoDB AWSDockerKubernetesTerraformGitHub Actions GitPostmanJiraSystem DesignCloud

05 — Education

B.Tech in Computer Science

Noida Institute of Engineering Technology

CGPA 8.3

Certifications

  • AWS Cloud Practitioner
  • Google IT Automation with Python

06 — Contact

Let’s build something
worth shipping.

Open to Software Engineer, Backend Engineer and full-stack opportunities where I can work on scalable products and cloud systems.

Let's talk ↗GitHub ↗