Java Full Stack Developer
Open To Work
Sudam Wagh
NielsenIQ
Bengaluru,KA
4
Years of professional experience
Summary
Java Full Stack Software Engineer with 4+ years of experience building scalable backend services, RESTful APIs, and microservices using Java and Spring Boot, with full-stack development experience in Angular and ReactJS. Strong expertise in PostgreSQL, JPA/Hibernate, Redis, Azure, Docker, Kubernetes, and CI/CD, with experience optimizing high-volume distributed systems and production APIs for performance and reliability. Proven ability to design scalable solutions, improve application performance, develop automated tests using JUnit/Mockito, and collaborate with cross-functional Agile teams to deliver secure, cloud-native applications.
Work History
Software Engineer
1 Year 5 Months- Built backend services and RESTful APIs in Java/Spring Boot on a cloud-native platform using Azure Blob Storage, Service Bus, Key Vault, AKS, and Apache Airflow, integrated with PostgreSQL via JPA/Hibernate.
- Reduced p95 API latency from 420 ms to 160 ms by eliminating N+1 Hibernate queries, adding composite indexes, and replacing offset pagination with keyset pagination on 8M-row PostgreSQL tables.
- Delivered full-stack features (dynamic forms, modal workflows, server-side pagination) integrating Angular with RESTful backend services; drove multi-region Kubernetes CI/CD rollouts, cutting deploy incidents by 35%.
- Mentored junior engineers and led code reviews, leveraging Claude AI to accelerate JUnit/Mockito test development and improve coverage.
- Engineered backend analytics APIs processing 2M transactions to compute KPIs and market trends for reporting.
- Implemented Redis-based caching, cutting p99 latency from 900 ms to 300 ms and Snowflake compute spend by 20%.
- Technologies: Java, Spring Boot, Gradle, PostgreSQL, Redis, Snowflake, Angular, Docker, AKS, Azure, Apache Airflow, Jira, Confluence
Professional Software Developer
2 Years 8 Months- Developed Spring Boot microservices for ACH, wire transfers, and real-time payment integrations with FedNow and TCH (The Clearing House) - ISO 20022 handling and automated reconciliation - processing 150K transactions/day at a 99.7% settlement success rate.
- Optimized SQL queries within a Groovy script, cutting a nightly batch job from 3 hours to 20 minutes; achieved 100% test coverage via JUnit/Mockito with automated CI/CD pipelines.
- Designed a reusable Config Engine framework in Java/Spring Boot to version and sync configuration files across environments via Git and rsync, eliminating config-drift incidents.
- Technologies: Java, Spring, Spring Boot, Gradle, Maven, SQL, Postgres, Angular, Jenkins, Harness
Education
Bachelor of Engineering - Computer Science
Skills
Java
Spring Boot
Spring
Hibernate/JPA
SQL
Microservices
RESTful APIs
Design Patterns
Concurrency
Event-Driven Architecture
PostgreSQL
MongoDB
Snowflake
Azure Service Bus
Kafka
Microsoft Azure
Blob Storage
Key Vault
AKS
Docker
Kubernetes
HLD/LLD
Distributed Systems
JavaScript
TypeScript
HTML
CSS
ReactJS
Angular
Jenkins
Harness
CI/CD
Apache Airflow
JUnit
Mockito
Git
Gradle
Maven
Jira
Confluence
IntelliJ IDEA
Agile
Scrum
Mentoring
Code Reviews
Work Preference
Job Search Status:
Open to workDesired Job Title
Senior Software EngineerSenior Java DeveloperSenior Java Full Stack DeveloperWork Type
Full TimeLocation Preference
On-SiteRemoteHybridLocation:
Bengaluru, IndiaPune, MHOpen to relocation:
YesTimeline
Software Engineer
NielsenIQ
04.2025 - Current
Professional Software Developer
Fiserv
08.2022 - 04.2025
Pimpri Chinchwad College of Engineering And Research
Bachelor of Engineering from Computer Science
06.2018 - 06.2022