Komal Jaiswal
Bengaluru
Summary
Experienced Backend Engineer with 8.5 years of expertise in designing scalable, high-performance systems using Java 21, Spring Boot, and gRPC.
Skilled in building microservices, designing RESTful and gRPC APIs, and deploying containerized services with Docker and Kubernetes. Strong foundation in PostgreSQL performance tuning, event-driven architecture, and DevOps workflows.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Software Engineering-Lead Engineer
Fair Isaac (FICO)
Bengaluru
10.2024 - Current
- Spearheaded greenfield microservice for product score decisioning, processing over 3 million requests daily with under 120 ms p95 latency.
- Defined protobuf contracts and autogenerated client stubs, standardizing API consumption and reducing boilerplate by 40%.
- Containerized services using Docker and implemented blue-green deployments on Kubernetes, achieving zero-downtime releases with over 99.95% availability.
- Optimized PostgreSQL queries and added partitioning, reducing report generation time from eight seconds to 1.9 seconds.
- Mentored four engineers on modern Java, reactive programming, and cloud-native development patterns.
Member of Technical Staff III
VMware
Bengaluru
03.2021 - 08.2024
- Refactored the Costing module of vRealize Operations Manager into an independent Spring Boot microservice; replaced direct DB access with REST/gRPC calls, reducing module coupling by 60%.
- Implemented a cost-calculation pipeline ingesting hybrid-cloud metrics; multiplied throughput by 5× by batching and parallel streams in the Java 17 to 21 upgrade.
- Added Dockerfiles and Helm charts, enabling teams to stand up dev/stage environments in less than 10 minutes.
- Created an observability stack (Micrometer, Prometheus, and Grafana) that surfaced cost anomalies and cut MTTR from 4 hours to 40 minutes.
Senior Software Engineer
Subex Limited
Bengaluru
09.2019 - 02.2021
- Developed Fraud Management Admin APIs in Spring Boot, enhancing Kibana dashboards.
- Optimized API response time by 65% through indexing fraud events in Elasticsearch.
- Implemented Docker Compose workflow, decreasing local environment setup from two hours to 15 minutes.
- Strengthened application security using Spring Security and OAuth2.0 Resource Server with fine-grained scopes.
Application Development Analyst
Accenture
Bengaluru
01.2017 - 08.2019
- Led the migration of legacy Struts/JSF modules to Spring Boot REST APIs, backed by PostgreSQL; decomposed a 400-kilocodes monolith into 12 deployable services.
- Designed data models, wrote complex SQL and PL/pgSQL procedures, and optimized slow queries using EXPLAIN ANALYZE.|.
- Implemented CI pipelines in Jenkins and GitLab CI, enabling automated unit, integration, and security scans on every merge.
Education
Bachelor of Engineering - Information Technology
Sinhgad College of Engineering
Pune, Maharashtra05.2016
Diploma - Information Technology
Govt. Polytechnic
Aurangabad, Maharashtra05.2012
Skills
- Programming languages: Java (17/21), SQL
- Backend frameworks: Spring Boot, Spring Cloud, gRPC
- API design: REST, gRPC, OAuth 20, JWT
- Cloud containers: Docker, Kubernetes (EKS/OpenShift), Helm, GitLab CI/CD
- Databases messaging: PostgreSQL, Elasticsearch, Kafka, Redis
- Testing Dev Tools: JUnit 5, Mockito, Testcontainers, Git, Maven/Gradle
Certification
70480 - Programming in HTML5 with JavaScript and CSS3 Issued: January 2019
Key Qualifications
- Deep experience with backend development using Java 21 and Spring Boot, hands-on development, and optimization of REST and gRPC APIs for large-scale systems
- Expertise in containerization and orchestration with Docker and Kubernetes, a solid understanding of distributed systems, and microservices architecture, proven ability to optimize SQL queries and schema design in PostgreSQL, experience with CI/CD pipelines, observability tooling, and secure coding practices
Timeline
Software Engineering-Lead Engineer
Fair Isaac (FICO)
10.2024 - Current
Member of Technical Staff III
VMware
03.2021 - 08.2024
Senior Software Engineer
Subex Limited
09.2019 - 02.2021
Application Development Analyst
Accenture
01.2017 - 08.2019
Bachelor of Engineering - Information Technology
Sinhgad College of Engineering
Diploma - Information Technology
Govt. Polytechnic
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