Building the regulated onboarding infrastructure powering Currencycloud’s B2B2X ecosystem at Visa.
6+ years designing event-driven distributed systems, GenAI-assisted compliance workflows, and fintech platforms at scale.
Experience
7+ years
Patents
2 Filed
Tech Stack
Java & Cloud
Education
BE CSE 9.3
Programming Skills
Technical Skills
Career Impact at a Glance
Domains of Expertise
Distributed Systems
Designing event-driven, fault-tolerant architectures that scale to millions of daily transactions with Tier-0 reliability.
AI & GenAI Engineering
Building production AI systems — agentic compliance workflows with Claude, RAG pipelines with Redis VectorStore, and LLM-powered creative tools.
Fintech Platform Engineering
Building regulated B2B2X onboarding and digital benefits platforms serving global Issuers, Resellers, and cardholders.
Data Engineering
Modernising ETL/Spark pipelines to real-time stream processing with Lambda architectures handling 5M+ records/day.
Full-Stack Engineering
End-to-end platform development from React micro-frontends and REST/gRPC APIs to reactive Spring Boot microservices.
Identity & Fraud Intelligence
Generating next-gen fraud signals from identity graphs, driving ML-based fraud scoring and machine unlearning on Graph Neural Networks.
Patents & Accomplishments
- USPTO Patent – US20240036914A1 – System and Method for Scheduling Database Applications • Visa (Feb 2024)
- Technical Disclosure – tdcommons – IoT Devices as Payment Instrument for ATM Transactions (Jun 2023)
- Patent Awarded – Machine Unlearning on Identity Graph Neural Networks
- Trade Secret Filed – Enhanced methods for advertiser campaign measurement (2021)
- TechCon 2022 – Visa Bengaluru Technical Conference, Paper: Multiparty Transaction SCA (Runner-up)
Certifications & Volunteering
- Certified Kubernetes Application Developer (CKAD) – The Linux Foundation (2021)
- Deep Learning Specialization – Coursera (2020)
- GRIT Volunteer (2022)
- Visa Bengaluru Quiz Volunteer (2021)
- Toastmaster — VSpeakers (2020)
Recommendations
From LinkedIn • Colleagues at Visa & Uber
“I had the opportunity to work closely with Varadh, and I must say he’s one of the most impressive colleagues I’ve worked with. The depth of his knowledge and the level of ownership he brings to any project truly stand out. He doesn’t just focus on completing tasks, he sees the bigger picture, ensures every detail is taken care of, and drives things forward with clarity and purpose. During the time we worked together, Varadh took complete ownership of the project and handled it end-to-end, keeping all stakeholders well-informed. His ability to design complex systems is remarkable, and he brings a great mix of technical strength and leadership. Working with him has been a great experience, and I would highly recommend Varadh to any team looking for a reliable, skilled, and truly proactive professional.”
“Varadharajan is a great professional to work with. He is an intelligent and curious person and has a great eye for detail. His energy to get things done is wonderful and it helped us achieve multiple milestones.”