Abinash Kumar Singh
Senior Member of Technical Staff
Bengaluru,KA
Summary
Senior Backend Engineer with 11+ years of experience building large-scale distributed systems and cloud-native platforms. Currently part of Oracle Cloud Infrastructure, designing high-availability networking services at massive scale (supporting 100K+ tenants).
Strong expertise in Java, microservices, and event-driven architectures, with a strong focus on performance optimization, system design, and reliability engineering (99.99% uptime).
Proven ability to:
• Design systems processing millions of transactions per day
• Improve system performance (p99 latency reduced by 35%)
• Lead teams and drive architecture-level decisions
• Build scalable, observable, and fault-tolerant systems
Overview
11
11
years of professional experience
Work History
Senior Member of Technical Staff
Oracle Cloud Infrastructure
Bengaluru
05.2022 - Current
- Architected and delivered high-scale backend services supporting 100K+ cloud tenants, enabling critical networking workflows in OCI.
- Designed high-throughput data processing pipelines handling 2K-4K QPS and 10M+ records/day, improving p99 latency by 35% via data model redesign and query optimization.
- Led end-to-end design of IP usage analytics and backfill automation systems, reviewed and approved at org-level architecture board.
- Built capacity forecasting models improving prediction accuracy by 25%, directly influencing infrastructure planning decisions.
- Improved system reliability to 99.99% availability through observability enhancements, automation, and proactive incident prevention.
- Reduced operational toil by ~30% by automating manual workflows and improving system monitoring.
- Led a team of 4 engineers, driving operational excellence, incident response, and long-term technical roadmap.
- Mentored engineers and influenced cross-team design standards and architectural decisions.
Software Engineer III
Walmart Global Tech
Bengaluru
08.2019 - 05.2022
- Designed and developed scalable backend systems for Global Delivery Management platform, serving as a single source of truth for distribution center operations.
- Built and optimized inbound delivery management services, improving performance and system reliability.
- Refactored legacy systems into modular, scalable microservices, reducing operational costs and improving maintainability.
- Identified and resolved performance bottlenecks and production issues, improving system stability.
- Collaborated with cross-functional teams (including WFS) to integrate distributed services across systems.
Senior Software Engineer
Razorthink Technologies
Bengaluru
04.2015 - 08.2019
- Worked on BigBrain AI platform, enabling users to design and deploy deep learning models without deep expertise in data science.
- Built backend services to support model lifecycle, data processing, and infrastructure orchestration.
- Contributed to platform scalability and reliability for enterprise AI use cases.
Education
Bachelor of Technology (B.Tech) - Computer Science & Engineering
RCIT
01.2013
Skills
- Java
- Python
- Spring Boot
- REST APIs
- Hibernate
- JPA
- Microservices
- Event-driven systems
- Distributed systems
- Oracle DB
- SQL
- PL/SQL
- MongoDB
- Redis
- Kafka
- ActiveMQ
- Terraform
- Cloud platforms
- OCI
- System Design
- Performance Optimization
Websites
Accomplishments
- Improved system latency by 35% for high-scale distributed service
- Designed systems handling 10M+ records/day and 100K+ tenants
- Led architecture initiatives reviewed at org-level board
- Improved reliability to 99.99% uptime
Timeline
Senior Member of Technical Staff
Oracle Cloud Infrastructure
05.2022 - Current
Software Engineer III
Walmart Global Tech
08.2019 - 05.2022
Senior Software Engineer
Razorthink Technologies
04.2015 - 08.2019
Bachelor of Technology (B.Tech) - Computer Science & Engineering
RCIT