UTTAM RAO VANTIMAR
Mason,OH
Summary
Backend Developer and SDET with a background in Java, Spring Boot, Kafka, and API automation. Designs event-driven microservices, orchestrates fault-tolerant workflows with Temporal, and supports reliable delivery through CI/CD, production troubleshooting, and end-to-end testing.
Overview
1
1
Certification
13
13
years of professional experience
Work History
Backend Developer/SDET
Ascendum Solutions
Cincinnati, USA
02.2019 - Current
- Engineered high-throughput, resilient event-driven microservices using Java, Spring Boot, and Apache Kafka.
- Designed and optimized RESTful APIs using Spring Web, establishing robust request/response schemas.
- Spearheaded item workflow orchestration using Temporal, architecting long-running, fault-tolerant and stateful execution paths for complex business processes.
- Served as Lead Temporal Platform Engineer, managing the end-to-end deployment, cluster configuration, database schema migrations, and version upgrades of self-hosted deployments.
- Architected a custom archival lookup service to overcome core self-hosted Temporal archival constraints, reducing complex queries and search time.
- Operated across the full deployment stack - Docker, Kubernetes, Helm, GitHub Actions, Harness, and Rancher — to support CI/CD and infrastructure operations.
- Delivered end-to-end ownership across the SDLC, from design and development through production support.
QA Automation Lead
PNC Bank
Pittsburgh, USA
11.2017 - 01.2019
- Delivered the large-scale "Open Banking" initiative end-to-end, ensuring comprehensive QA coverage across critical release milestones.
- Built a scalable API automation framework ground-up using REST Assured and Java, achieving test coverage and reducing manual regression effort by ~70%.
- Architected reusable service virtualization assets and stubbing protocols, decoupling downstream dependencies and cutting test environment setup time for parallel development teams.
- Partnered with internal and external stakeholders on requirement analysis, test planning, and execution, supporting 7 key releases ensuring testing efforts stayed aligned with project goals and timelines.
Senior SOA Test Engineer
Ascendum Solutions
09.2013 - 10.2017
- Designed and built virtual services and test suites using CA DevTest and SoapUI, eliminating manual execution bottlenecks and driving end-to-end integration testing efficiency.
- Managed virtual services and coordinated upgrade activities as part of the QA Center of Excellence (COE), ensuring platform stability and minimal service disruption
- Conducted training sessions on SOA architecture and test automation, onboarding new team members and building foundational testing capability across the team.
Education
Master of Technology Management -
Georgetown University
Washington, DC01-2018
Bachelor of Engineering - Mechanical
Davangere
Davangere, India01-2009
Skills
- Languages & Frameworks: Java, Spring Boot
- Distributed Systems & Messaging: Apache Kafka, Temporal, Event-Driven Microservices
- Cloud & Infrastructure: Microsoft Azure, Docker, Kubernetes, Helm, Rancher
- Databases: Neo4j, PostgreSQL
- Observability: Dynatrace, Prometheus, Grafana
- CI/CD: GitHub Actions, Harness
- Testing & Quality: JUnit, Mockito, TestNG, REST Assured, Postman
- Collaboration: Jira, Confluence, Mural
Certification
- Certified Neo4J Developer
Timeline
Backend Developer/SDET
Ascendum Solutions
02.2019 - Current
QA Automation Lead
PNC Bank
11.2017 - 01.2019
Senior SOA Test Engineer
Ascendum Solutions
09.2013 - 10.2017
Master of Technology Management -
Georgetown University
Bachelor of Engineering - Mechanical
Davangere