Extensive experience developing production-grade microservices with Spring Boot, including Spring Security, Spring Data JPA, Spring Batch. Implemented REST APIs, authentication systems, and integrations with various databases.

Built 2 production applications from the ground up with Quarkus, owning API specification and database design. Member of Capital One’s Quarkus Center of Practice, helping set Quarkus standards and best practices for the organization.

Strong object-oriented programming skills with Java 21+. Experience with multithreading, collections framework, streams API, virtual threads and performance optimization. Developed enterprise applications following SOLID principles.

Production and research Python experience: JAX for GPU-accelerated deep learning and reinforcement learning pipeline tooling

Manage the reinforcement learning training pipeline for Leela Chess Zero and contribute to network architecture research, including adversarial training against human opponents. Experience with JAX and GPU-accelerated training of neural network models.

Write and optimize CUDA kernels for Leela Chess Zero’s GPU backend. Experience with GPU training, benchmarking, and performance profiling (nsys).

Frontend development with Lit and Web Components, building modern, framework-agnostic user interfaces. Experience pairing Lit frontends with Java 21+ (Quarkus and Spring Boot) backends in cloud-native applications.

Hands-on experience with AWS (ECS Fargate, EC2, S3, RDS) and GCP (Compute Engine, Cloud Storage). Deployed scalable cloud-native applications and implemented CI/CD pipelines.

Expertise in containerizing applications using Docker, including multi-stage builds and optimization techniques. Experience with Docker Compose for local development and deploying containers to AWS ECS Fargate.

Implemented automated build and deployment pipelines using GitHub Actions and GitLab CI. Familiar with infrastructure-as-code principles, containerized deployments, and blue-green deployments.

Proficient in Linux environments (Ubuntu, CentOS). Skilled in bash scripting, process management, and system configuration. Experience with server maintenance and troubleshooting.

Extensive Git experience in collaborative environments. Familiar with Git workflows (Git Flow, GitHub Flow), rebasing, cherry-picking, and managing large codebases. Regular user of GitHub and GitLab.

Solid understanding of memory management, pointers, and low-level programming. Production C++ in Leela Chess Zero (GPU backend, CUDA kernels); academic projects include a custom database management system and OS components.

Designed and implemented RESTful APIs following best practices. Owned API specification for 2 production Quarkus applications. Experience with OpenAPI/Swagger documentation, versioning strategies, and authentication (JWT, OAuth2).

Strong database skills including schema design, query optimization, and transactions. Experience designing production database schemas for new applications, with PostgreSQL and OracleDB, and basic knowledge of NoSQL solutions.