
Hi, I'm Kunal Sethi
Senior Software Engineer with 14 years of experience designing products built on distributed systems. Proficient in Python, Machine Learning, AWS, and database optimization.
About
I'm a seasoned software engineer with 14 years of experience designing and building products on distributed systems. Throughout my career, I've had the privilege of working with cutting-edge technologies and leading technical initiatives that have made significant business impact.
What I Do
My expertise spans across multiple domains:
- Distributed Systems Architecture: Designing scalable, resilient systems that handle millions of transactions
- Database Optimization: Improving query performance, designing efficient schemas, and managing large-scale migrations
- Machine Learning: Implementing ML solutions for business problems and optimizing model performance
- Cloud Infrastructure: Building and managing cloud-native applications on AWS with focus on cost optimization
- Team Leadership: Mentoring junior engineers and driving cross-functional initiatives
My Approach
I believe in writing clean, maintainable code and building systems that can evolve with changing business needs. I'm passionate about:
- Performance Optimization: Always looking for ways to make systems faster and more efficient
- Developer Experience: Creating tools and processes that make the entire team more productive
- Continuous Learning: Staying current with emerging technologies and best practices
- Collaboration: Working closely with product, design, and business teams to deliver impactful solutions
Beyond Code
When I'm not coding, I enjoy exploring new technologies, contributing to open source projects, and sharing knowledge with the developer community. I hold a Master's in Computer Science from Georgia Institute of Technology with a concentration in Machine Learning.
I'm always excited to take on new challenges and work on projects that have meaningful impact. Let's build something amazing together!
Professional Experience
Building impactful software solutions across fintech, trading, and enterprise domains
Senior Software Engineer II
Human Interest
Building unified data platforms and optimizing distributed systems for financial services.
- •Built a unified data platform consolidating 3 financial warehouses, improving throughput by 37% and achieving 99.99% uptime
- •Optimized asynchronous processing delivering a 40x fee-billing efficiency boost, recovering $2M in previously missed revenue
- •Developed SOC2-compliant reconciliation tooling that reduced error rates by 30%
Senior Software Engineer
Brex
Architected microservice foundations for delegated account management with focus on security and compliance.
- •Architected microservice foundation for delegated account management with secure workflows
- •Reduced gRPC endpoint P95 latency by 25% through async offloading with Kafka
- •Migrated 37 workflows to modern microservices architecture, cutting latency by 60%+
Director of Engineering
Duality Group
Led engineering team in rearchitecting trading platform from monolith to microservices.
- •Directed rearchitecture of trading platform improving backtesting efficiency by 90%
- •Implemented end-to-end CI/CD pipeline accelerating release cycles
- •Built Apache Airflow pipelines reducing processing time 40% and batch windows by 75%
Senior Algo Developer
Macquarie Group
Collaborated with quants to implement high-performance trading algorithms.
- •Translated Python trading prototypes into high-performance C# algorithms
- •Engineered real-time trading platform achieving 2–5x performance increase
- •Reduced data latency by 40% through low-latency optimization techniques
Software Developer
Morgan Stanley
Developed enterprise-grade financial applications and data integration systems.
- •Engineered C# data integration component for 300,000+ documents using SOLID principles
- •Reduced manual processing through customizable Drools rules engine with ExtJS frontend
- •Automated build and deployment for 15+ .NET projects using Jenkins
Technical Skills
Technologies and tools I work with to build exceptional software
Programming Languages
Cloud & DevOps
Databases
Frameworks & Tools
Get In Touch
Let's discuss how we can work together on your next project
Contact Information
Location
New York, NY
Let's Connect
I'm always interested in hearing about new opportunities and connecting with fellow developers and entrepreneurs.