Spring Boot Backend Developer

Puspa Raj Luitel Grand Prairie, TX

573-***-**** *********@*******.*** https://www.linkedin.com/in/puspa-raj-luitel-152b12221/ https://pushparaj.online/

PROFESSIONAL SUMMARY:

Java Backend Developer with 4+ years of experience building secure and scalable microservices-based enterprise applications across financial, mortgage, and cloud domains.

Proficient in Java, Spring Boot, Hibernate, Spring Security, and REST APIs, delivering robust backend services for high-transaction systems.

Skilled in cloud computing (AWS, Azure) and DevOps practices (Docker, Kubernetes, Jenkins, Maven, GitHub) for CI/CD and containerized deployments.

Strong expertise in relational and NoSQL databases including PostgreSQL, MySQL, Oracle, and MongoDB, applying indexing and caching with Redis for performance optimization.

Hands-on with event streaming and messaging platforms such as Kafka, JMS, and RabbitMQ to support asynchronous and distributed workflows.

Experienced in Agile/Scrum teams, collaborating with cross-functional groups to deliver quality software while also contributing to testing and observability practices using JUnit, Mockito, Cucumber, Splunk, and ELK stack.

TECHNICAL SKILLS:

Languages: Java (expert), SQL, PL/SQL, Python (scripting), JavaScript, TypeScript

Frameworks & Libraries: Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, Microservices, Spring Cloud, JUnit, Mockito, Cucumber

Web & API Development: RESTful APIs, SOAP, GraphQL, JWT, OAuth2, API Gateway

Databases & Storage: PostgreSQL, MySQL, Oracle, MongoDB, Redis

Messaging & Streaming: Apache Kafka, JMS, RabbitMQ

DevOps & CI/CD Tools: Jenkins, Maven, GitHub, GitLab CI, Nexus, SonarQube, Docker, Kubernetes, Ansible, Terraform

Cloud Platforms: AWS (EC2, S3, Lambda, RDS), Microsoft Azure

Testing & Tools: JUnit, TestNG, Mockito, RestAssured, Postman, SoapUI, JMeter, LoadRunner

Frontend (supporting): Angular, React.js, HTML5, CSS3, Bootstrap, Responsive Design

Monitoring & Observability: Splunk, Dynatrace, Prometheus, Grafana, ELK (Elasticsearch, Logstash, Kibana)

Methodologies: Agile, Scrum, Kanban, TDD, BDD

EDUCATION:

Bachelors in Computer Information Systems – Southeast Missouri State University, Cape Girardeau, MO — Dec 2017

Bachelor of Science in Computer and Information Technology – Sikkim Manipal Institute of Technology, Sikkim, India — Jul 2014

Higher Secondary Education – Amity Higher Secondary, Birtamod, Jhapa, Nepal — Apr 2009

Schooling – Newton’s Education Academy, Birtamod, Jhapa, Nepal — Dec 2006

PROFESSIONAL EXPERIENCE:

ICE Remote

Software Engineer Jul 2024 – Aug 2025

Designed and maintained Java backend services for financial data and trading systems, ensuring performance and compliance.

Developed Spring Boot microservices with Hibernate ORM, enabling modular and loosely coupled system components.

Designed and secured APIs with OAuth2 and JWT, improving authentication and data confidentiality.

Leveraged Kafka and RabbitMQ for event-driven architectures, handling real-time financial transactions.

Managed large datasets in PostgreSQL and MongoDB, implementing Redis caching to accelerate query performance.

Automated CI/CD pipelines using Jenkins, Maven, Docker, and Kubernetes, reducing release cycles and minimizing downtime.

Deployed microservices on AWS (EC2, S3, Lambda, RDS) and leveraged Azure for hybrid cloud operations.

Enhanced observability using Splunk, Prometheus, and ELK stack, ensuring system reliability and faster troubleshooting.

Environment: Java, Spring Boot, Hibernate, Spring Cloud, Microservices, REST APIs, Kafka, RabbitMQ, PostgreSQL, MongoDB, Redis, Docker, Jenkins, Maven, AWS, Azure, OAuth2, JWT, ELK stack, Prometheus, Agile/Scrum.

Black Knight Jacksonville, FL

Software Engineer Apr 2021 – Jun 2024

Designed and developed Java-based backend microservices using Spring Boot, Hibernate, and Spring Cloud to support mortgage servicing platforms.

Built and consumed REST APIs to integrate mortgage applications with client systems and partner services.

Implemented Kafka-based event streaming to handle real-time updates for high-volume financial data.

Optimized database queries in PostgreSQL and Oracle, improving response times and system throughput.

Configured Jenkins pipelines to automate build, test, and deployment workflows across multiple environments.

Conducted load testing and monitored performance using JMeter, Splunk, and Grafana, proactively identifying system bottlenecks.

Worked in Agile Scrum teams, collaborating with business stakeholders, testers, and architects to deliver mission-critical features.

Environment: Java, Spring Boot, Hibernate, Spring Cloud, Microservices, REST APIs, Kafka, PostgreSQL, Oracle, Docker, Kubernetes, Jenkins, Maven, AWS, JMeter, Splunk, Grafana, Agile/Scrum

BOOTCAMP:

Java Bootcamp Training Jun 2018 – May 2019

Granite Solution St. Louis, MO

Completed structured training in Java, Spring Boot, Hibernate, and REST APIs with focus on enterprise backend systems.

Built sample projects using microservices architecture, applying modular and reusable service patterns.

Implemented CI/CD automation with Jenkins, Maven, and GitHub for continuous builds and deployments.

Developed REST APIs and integrated with PostgreSQL and MySQL for persistent data storage.

Explored containerization and deployment practices using Docker, Kubernetes, and AWS.

Gained practical experience working in Agile sprints, including stand-ups, retrospectives, and peer code reviews.

Environment: Java, Spring Boot, Hibernate, Microservices, REST APIs, PostgreSQL, MySQL, Jenkins, Maven, Docker, Kubernetes, AWS, Agile/Scrum.

CERTIFICATIONS:

AWS Certified Solutions Architect (In Progress)

LANGUAGES:

English (Fluent) Nepali (Native) Hindi (Proficient)

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