Senior Java Backend Developer with Spring Boot & Cloud Expertise

Abhinav Paul

Java Developer

USA +1-469-***-**** Email: ********@***********.*** LinkedIn

SUMMARY

Java Developer with 4+ years of experience building scalable, secure, and high-performance applications using Java, Spring Boot, microservices, REST APIs, and cloud technologies. Skilled in backend development, API integrations, CI/CD automation, and distributed systems. Experienced in Go/Golang, containerization, and modern DevOps tooling. Strong collaborator in Agile teams with a track record of improving system reliability, reducing downtime, and accelerating delivery cycles. PROFESSIONAL EXPERIENCE

Java Developer Enkonix USA Feb 2025 – Current

Developed enterprise apps using Java, Spring Boot, React, and Node.js, modernizing monoliths into microservices. Improved scalability, cut downtime by 25%, and accelerated feature delivery with full compliance.

Built and optimized RESTful and GraphQL APIs to support third-party integrations and internal services. These APIs reduced latency by 20%, improved platform-wide data consistency, and enhanced customer experience with faster, reliable interactions

Implemented Spring Security, OAuth2, and JWT-based authentication, safeguarding sensitive financial data, achieving compliance with GDPR and PCI-DSS, and reducing vulnerabilities by 30% through encryption and role-based access.

Automated data ingestion and processing workflows with Kafka, Apache Spark, and Airflow, reducing pipeline latency by 35% and enabling real-time dashboards that empowered business analysts and executives to make quicker data-driven decisions.

Designed optimized SQL queries, PL/SQL packages, and MongoDB schemas, which improved query efficiency by 28% and supported processing of high-volume transactions across multiple business-critical applications.

Configured CI/CD pipelines using Jenkins, GitHub Actions, Docker, and Kubernetes, reducing manual deployment time by 50%, standardizing releases across environments, and ensuring zero-downtime production rollouts.

Conducted unit, regression, and integration testing using JUnit, Mockito, and Selenium, achieving 95% test coverage, reducing production bugs by 22%, and ensuring system reliability in financial and retail applications.

Developed Grafana and ELK Stack dashboards for real-time monitoring and alerting, which improved incident detection speed, reduced mean-time-to-resolution (MTTR) by 18%, and minimized client-facing disruptions.

Partnered with BAs, product owners, and SMEs to refine user stories, acceptance criteria, and system requirements, improving IT–business alignment and reducing scope creep by 15%.

Authored SOPs, technical design documents, and coding standards, streamlining team onboarding, improving knowledge retention, and ensuring code quality and maintainability.

Java Developer Infosys India June 2020 – July 2023

Developed and enhanced Java J2EE and Spring Boot applications for large-scale enterprise clients in banking and retail sectors, improving application scalability, user experience, and maintainability while ensuring strict SLAs were consistently met.

Designed and integrated RESTful and SOAP APIs to streamline inter-system communication and third-party integrations. This reduced reconciliation errors, cut manual intervention by 30%, and enabled clients to expand cross-platform service offerings.

Created and tuned SQL queries, stored procedures, and indexes in Oracle and PostgreSQL, reducing query runtimes by 25% and ensuring high availability and reliability in applications handling millions of daily transactions.

Automated builds, tests, and deployments by designing CI/CD pipelines with Jenkins, Maven, and Gradle, reducing build failures by 40%, standardizing release processes, and improving delivery velocity across distributed teams.

Collaborated with QA teams to implement BDD testing frameworks (Cucumber, Selenium, TestNG), which improved defect detection by 18%, streamlined regression cycles, and ensured high-quality deliverables during frequent releases.

Enhanced application monitoring using Splunk, Prometheus, and ELK Stack, enabling proactive issue detection, real-time log analysis, and a 20% reduction in unplanned downtime during critical business operations.

Partnered with BAs and product owners to translate BRDs/FRDs into user stories and acceptance criteria, bridging the gap between business needs and technical implementation, which reduced rework during sprints.

Collaborated with cloud engineers to migrate on-premise applications to AWS and Azure, leveraging EC2, RDS, App Services, and Functions, which improved scalability, reduced infrastructure costs by 15%, and enhanced system reliability.

Actively participated in Agile ceremonies such as sprint planning, backlog grooming, daily scrums, and retrospectives, ensuring consistent delivery, achieving 100% sprint completion rate, and fostering stronger client collaboration.

Prepared technical documentation, architecture diagrams, and SOPs for system modules, deployment pipelines, and integration workflows, reducing knowledge gaps and accelerating onboarding of new developers by 30%. TECHNICAL SKILLS

Programming Languages: Java (Core, J2EE), Python, SQL, JavaScript, TypeScript, Go/Golang

Frameworks & Libraries: Spring Boot, Spring MVC, Hibernate, JPA, Struts, JSP/Servlets, React, Angular

Web & API Development: RESTful APIs, SOAP Services, GraphQL

Databases: Oracle, MySQL, PostgreSQL, MongoDB, Redis

Cloud Platforms: AWS (EC2, Lambda, S3, RDS), Azure (App Services, Functions), GCP (Compute Engine, Cloud SQL)

DevOps & CI/CD: Jenkins, GitHub Actions, GitLab CI, Docker, Kubernetes, Maven, Gradle

Testing Tools: JUnit, Mockito, Selenium, TestNG, Cucumber BDD

Version Control & Collaboration: Git, Bitbucket, Jira, Confluence, Azure DevOps

Data Handling & Messaging: Kafka, RabbitMQ, JMS, ActiveMQ

Monitoring & Logging: Splunk, ELK Stack, Grafana, Prometheus

Security & Compliance: OAuth2, JWT, SAML, OWASP, GDPR, PCI-DSS

Methodologies: Agile (Scrum/Kanban), SAFe, Waterfall, SDLC EDUCATION

Masters Eastern Illinois University, Illinois, USA Aug 2023 – Aug 2025 Bachelors Malla Reddy College of Engineering, Hyderabad, India June 2018 - May 2022

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