I have over 6 years of hands-on experience as a Full-Stack Software Engineer, primarily focusing on backend systems implemented in Java and Spring Boot. My expertise spans aviation, retail, and insurance domains where I design scalable, reliable, and secure microservices deployed on AWS cloud infrastructure. I enjoy working collaboratively to build intuitive frontend applications using Angular, integrating asynchronous messaging patterns, and automating deployment with CI/CD pipelines. I am passionate about continuous learning and use my skills in cloud technologies, API security, and observability tools to deliver robust solutions that meet real-time business needs and compliance standards. My goal is to contribute to impactful software projects that enhance user experiences and operational efficiency.

Arju Shrestha

I have over 6 years of hands-on experience as a Full-Stack Software Engineer, primarily focusing on backend systems implemented in Java and Spring Boot. My expertise spans aviation, retail, and insurance domains where I design scalable, reliable, and secure microservices deployed on AWS cloud infrastructure. I enjoy working collaboratively to build intuitive frontend applications using Angular, integrating asynchronous messaging patterns, and automating deployment with CI/CD pipelines. I am passionate about continuous learning and use my skills in cloud technologies, API security, and observability tools to deliver robust solutions that meet real-time business needs and compliance standards. My goal is to contribute to impactful software projects that enhance user experiences and operational efficiency.

Available to hire

I have over 6 years of hands-on experience as a Full-Stack Software Engineer, primarily focusing on backend systems implemented in Java and Spring Boot. My expertise spans aviation, retail, and insurance domains where I design scalable, reliable, and secure microservices deployed on AWS cloud infrastructure. I enjoy working collaboratively to build intuitive frontend applications using Angular, integrating asynchronous messaging patterns, and automating deployment with CI/CD pipelines.

I am passionate about continuous learning and use my skills in cloud technologies, API security, and observability tools to deliver robust solutions that meet real-time business needs and compliance standards. My goal is to contribute to impactful software projects that enhance user experiences and operational efficiency.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Java Developer at The Hartford Financial Servies Group Inc
August 1, 2024 - Present
Modernized claims and policy servicing systems using Java 17, Spring Boot, and Spring Cloud, building scalable services used by thousands of agents and policyholders. Built RESTful APIs and Angular 15 components that supported digital claims filing, document uploads, payment tracking, and customer self-service, significantly reducing call center traffic. Deployed microservices on AWS ECS Fargate, using Secrets Manager for secure credential storage and S3 for document management. Designed Kafka-based asynchronous workflows to handle real-time claim status updates, fraud alerts, and cross-system notifications with minimal latency. Implemented retries, circuit breakers, and bulkheads with Resilience4j to improve system reliability. Integrated with internal policy systems via OAuth 2.0-secured APIs, automated infrastructure with CloudFormation, and enforced role-based access with Spring Security. Wrote API test automation and incorporated CI/CD with GitHub Actions. Monitored performance us
Java Developer at The Kroger Co
July 31, 2024 - July 24, 2025
Built and maintained high-volume inventory and pricing systems used in over 2,000 retail locations using Java 11, Spring Boot, and Angular 12. Developed full-stack features for internal dashboards for warehouse and store management. Created RESTful APIs linking e-commerce, POS, and supplier systems to synchronize product and pricing data. Designed AWS microservices with Lambda, SQS, and API Gateway for async pricing updates. Utilized PostgreSQL and DynamoDB for data management supporting hybrid read/write strategies. Implemented Spring Security with JWT for role-based access control. Built CI/CD pipelines using Jenkins, Docker, and GitHub Actions. Engaged in contract-first API design with Swagger/OpenAPI. Developed custom PL/pgSQL pricing logic driving revenue growth. Set up Prometheus and Grafana monitoring dashboards. Maintained Angular components following design standards. Mentored junior developers, applied feature flags and A/B testing, worked cross-functionally, and followed Agi
Java Developer at Hawaiian Airlines, Inc.
December 31, 2021 - July 24, 2025
Developed core modules for reservation and loyalty systems using Java 8, Spring Boot, and Angular 10, enhancing booking experiences and reducing transaction times. Created microservices supporting flight search, booking, check-in, seat selection, cancellations, ensuring multi-channel consistency. Built AWS Lambda functions for event-driven tasks like delay alerts and loyalty processing. Developed Angular dashboards for customer bookings and rewards, improving NPS. Managed secure storage of e-tickets using AWS S3 with compliance controls. Configured Spring Batch jobs for loyalty reconciliation. Managed real-time ticket events with Apache Kafka. Maintained Dockerized microservices on AWS ECS and secured APIs with OAuth 2.0 for SSO across partner portals. Optimized PostgreSQL queries used in transactional Java services. Employed JUnit 5, Mockito, and REST Assured for comprehensive testing with 90%+ code coverage. Monitored applications with CloudWatch and collaborated with product teams f
Senior Java Developer at The Hartford Financial Servies Group Inc
August 1, 2024 - Present
Modernized claims and policy servicing systems using Java 17, Spring Boot, and Spring Cloud, building scalable services used by thousands of agents and policyholders. Built RESTful APIs and Angular 15 components supporting digital claims filing and customer self-service, reducing call center traffic. Deployed microservices on AWS ECS Fargate with secure credential storage and document management. Designed Kafka-based asynchronous workflows for real-time claim updates and fraud alerts. Implemented retries, circuit breakers, and bulkheads to improve system reliability. Integrated with internal systems via OAuth 2.0-secured APIs. Automated infrastructure using CloudFormation templates across multiple environments. Set up role-based access controls with multi-level authentication. Built API test automation with JUnit 5 and WireMock and integrated CI/CD test gates with automated security scans. Monitored performance using CloudWatch and Kibana. Collaborated with compliance teams to meet HIP
Java Developer at The Kroger Co
July 31, 2024 - July 24, 2025
Built and maintained high-volume inventory and pricing systems used in over 2,000 retail locations using Java 11, Spring Boot, and Angular 12, ensuring real-time inventory accuracy and region-specific pricing in-store and online. Developed full-stack features for internal dashboards used by warehouse teams and managers. Created Java RESTful APIs connecting ecommerce, POS, and supplier systems. Designed and deployed AWS Lambda microservices with SQS and API Gateway to handle large-scale pricing updates asynchronously. Used AWS RDS and DynamoDB to support structured product data and high-throughput inventory transactions. Implemented access control with Spring Security and JWT for role-based access. Built CI/CD pipelines with Jenkins, Docker, and GitHub Actions for automated testing and deployments. Used Swagger and Postman for contract-first API development. Wrote custom PL/pgSQL functions for dynamic pricing calculations, leading to revenue increases. Set up monitoring with Prometheus
Java Developer at Hawaiian Airlines, Inc.
December 31, 2021 - July 24, 2025
Developed core modules for reservation and loyalty systems using Java 8, Spring Boot, and Angular 10, improving booking times and passenger experience. Built microservices supporting flight search, booking, check-in, seat selection, and cancellations across channels. Implemented AWS Lambda functions for event-driven tasks such as flight delay alerts and loyalty transactions. Created dynamic Angular UI components for customer dashboards improving retention and NPS. Managed secure scalable storage on AWS S3 for e-tickets and receipts. Scheduled Spring Batch jobs for nightly loyalty and booking reconciliations. Used Apache Kafka for real-time ticket lifecycle events triggering asynchronous notifications. Maintained Dockerized microservices on AWS ECS ensuring deployment consistency. Secured APIs with OAuth 2.0 enabling single sign-on across partners and apps. Optimized complex PostgreSQL queries with JPA/Hibernate. Ensured high test coverage with JUnit 5, Mockito, and REST Assured. Monito
Senior Java Developer 2 at The Hartford Financial Services Group Inc
August 1, 2024 - Present
Modernized claims and policy servicing systems with Java 17, Spring Boot, and Spring Cloud, building scalable services for thousands of users. Developed RESTful APIs and Angular 15 components to support digital claims filing, document uploads, payment tracking, and customer self-service, reducing call center traffic. Deployed microservices on AWS ECS Fargate with secure credential storage and document management. Designed Kafka-based asynchronous workflows for real-time claim updates and alerts. Improved system reliability using Resilience4j with retries and circuit breakers. Integrated with internal underwriting systems via OAuth 2.0-secured APIs. Automated infrastructure provisioning with CloudFormation for consistent deployments. Implemented role-based access control with multi-level authentication. Built API test automation and CI/CD processes with GitHub Actions fostering quality and security. Monitored performance using CloudWatch and Kibana for real-time insights. Ensured HIPAA
Java Developer at The Kroger Co
July 31, 2024 - August 22, 2025
Built and maintained high-volume inventory and pricing systems used across 2,000 retail locations using Java 11, Spring Boot, and Angular 12 to ensure real-time accuracy and region-specific pricing both in-store and online. Developed internal dashboards for warehouse and store managers to manage restocking and pricing. Created Java RESTful APIs connecting e-commerce, POS, and supplier systems. Designed AWS microservices with Lambda, SQS, and API Gateway for asynchronous pricing updates. Used AWS RDS (PostgreSQL) and DynamoDB to support hybrid data strategies. Implemented secure access controls with Spring Security and JWT. Automated builds and deployments using Jenkins, Docker, and GitHub Actions. Employed Swagger and Postman for API contract-first development. Developed PL/pgSQL functions for dynamic pricing, resulting in a 15% revenue lift during promotions. Built Prometheus and Grafana dashboards for monitoring system health. Maintained modular Angular components aligned with design
Java Developer at Hawaiian Airlines, Inc.
December 31, 2021 - August 22, 2025
Developed core modules for Hawaiian Airlines’ reservation and loyalty systems using Java 8, Spring Boot, and Angular 10, reducing booking completion time and enhancing passenger experience. Built Java microservices powering flight search, booking, check-in, seat selection, and cancellations across platforms. Designed AWS Lambda functions for event-driven tasks like flight delay alerts and loyalty point transactions. Developed Angular UI components for customer dashboards enhancing reward tracking and upgrade eligibility. Utilized AWS S3 for secure storage of e-tickets with IAM access controls. Configured Spring Batch jobs for nightly reconciliation of loyalty points and partner bookings. Leveraged Apache Kafka for real-time ticket lifecycle event management and asynchronous notifications. Maintained Dockerized services on AWS ECS ensuring smooth deployments. Secured APIs with OAuth 2.0 supporting seamless SSO across partner and third-party portals. Wrote and optimized complex queries

Education

Bachelors at California State University – Sacramento
January 1, 2015 - December 31, 2019
Bachelors at California State University – Sacramento
January 1, 2010 - December 31, 2014
Bachelors in Computer Science at California State University – Sacramento
January 11, 2030 - August 22, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Retail, Travel & Hospitality, Software & Internet, Transportation & Logistics

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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