of OCI production regions
covered by a tier-0 disaster recovery solution
Senior Member of Technical Staff · Oracle
SubhradeepSaha.
Senior Java engineer building secure, resilient distributed cloud services at Tier-0 scale.
With 4+ years of experience, I design security-sensitive Java services around high availability, fault tolerance, reliability engineering, observability, and infrastructure automation. I use AI-assisted engineering workflows to accelerate code comprehension, refactoring, debugging, documentation, and testing while validating correctness, security, and production readiness.
Selected impactProduction systems / Cloud security
Engineering outcomes that hold up at scale.
faster failure detection
through Java validation and continuous monitoring for secret rotation
fewer redundant reads
after an access-control integration redesign
stronger security posture
through comprehensive API authorization coverage
What I optimize for
Systems that survive the edge cases — and teams that can evolve them with confidence.
My work sits where distributed systems, security, and operational rigor meet. I turn ambiguous reliability problems into clear architecture, measurable controls, and production-ready software.
Start a conversation →02 / Experience
From backend foundations to cloud-scale ownership.
A career shaped by production responsibility: learning quickly, designing carefully, and raising the reliability bar as the scope grows.
Oracle
Senior Member of Technical Staff
Leading technical contributions in the ongoing convergence of Oracle's legacy Tier-0 internal service with its external counterpart.
- Simplifying architecture, improving maintainability, and enabling long-term platform evolution.
Oracle
Member of Technical Staff
Individual contributor for a Tier-0 Secrets Management service in Oracle Cloud Infrastructure.
- Led the end-to-end design and production rollout of disaster recovery across 100% of OCI production regions, covering bare-metal and virtual-machine deployments.
- Built Java validation and continuous-monitoring workflows for OCI Auto Secret Rotation, reducing failure-detection time by approximately 90%.
- Designed and implemented the OCI Network Based Access Control integration, eliminating approximately 100% of redundant READ API calls.
- Expanded positive and negative API authorization coverage, strengthening the overall security posture by approximately 75%.
Oracle
Project Intern
Developed an in-house credential-management solution using Oracle Vault Service.
Acumensa Technologies Pvt. Ltd.
Backend Software Developer
Helped design and develop an agriculture supply-chain web application with Django and Django REST Framework.
Support Genie
Software Developer
Contributed to projects using Python, Flask, SQLAlchemy, JavaScript, MySQL, and Docker.
03 / Selected workPublic projects
Built to learn the whole system, not just one layer.
Public projects spanning real-time collaboration, smart contracts, backend product design, and role-aware workflows.
Real-time systems
code_collaborator
A peer-programming platform with Auth0 login, protected collaboration rooms, multi-language execution, autosave, theming, and real-time chat.
- Auth0
- Realtime
- Multi-language
Web3 application
truffle-Petshop-enhanced
An expanded Solidity pet-adoption experience with authentication, adoption rewards, and return-fee mechanics.
- Solidity
- Smart contracts
- Auth
Backend application
MDB-lite
A role-aware movie, rating, and publishing system with administration workflows, profiles, search, and nested discussion.
- Node.js
- Express
- MongoDB
Education platform
Exam Portal
A multi-role exam platform for administrators, professors, and students with timed exams, question management, grading, and solutions.
- Django
- Bootstrap
- RBAC
04 / Toolkit
Tools are choices. Reliability is the discipline.
Languages
- Java
- C/C++
- Python
Backend & testing
- REST APIs
- Microservices
- Dropwizard
- Google Guice
- JUnit / Mockito
- Swagger
- Concurrency
- Multithreading
Cloud infrastructure
- OCI
- Terraform
- Docker
Security & databases
- OCI Vault
- Cryptography
- Autonomous Database
- SQL / NoSQL
Developer tools
- Git / Bitbucket / GitHub
- Maven
- IntelliJ IDEA
- Jira
- Confluence
CI/CD & observability
- CI/CD
- TeamCity
- Grafana
05 / Education
Computer science foundations, built to last.
The academic foundation behind a career in reliable backend, cloud, and security engineering.
Undergraduate education
Institution
National Institute of Technology, Tiruchirappalli
06 / Recognition
Recognition for ownership, analysis, and craft.
Selected signals of trusted engineering ownership, thoughtful analysis, and consistent contribution.
Selected awards
Signals of trusted ownership.
Oracle · June 2025
Oracle Org-wide Quarterly Spot Award
Recognized for leading the Service Disaster Recovery project and demonstrating OCI values.
Oracle · October 2023
Oracle Integrity Hero Nomination
Nominated after an in-depth analysis uncovered significant performance issues in an OCI access-control integration.
Best use of Auth0 · 2021
HackNITR 3.0
Won for code_collaborator, a secure real-time peer-programming platform.
Top contributor · 2020
NJACK Winter of Code
Recognized as a top contributor in the IIT Patna open-source program.
07 / Community
Contributing beyond the codebase.
Building technical communities through coordination, shared ownership, and hands-on participation.
Campus leadership
Organization
Pragyan
Coordinator · Exhibitions, Sangam and IngeniumSeptember 2019 — March 2020
08 / Contact
Have a hard systems problem worth solving?
I am always glad to meet engineers, leaders, and collaborators working on secure infrastructure, distributed systems, and meaningful products.
subhradeep_saha