# Nathan Taf > Senior Full Stack Developer | Java, Spring Boot, React, Microservices | AWS, Kubernetes | Building Scalable Cloud-Native Systems Location: Bethesda, Maryland, United States Profile: https://flows.cv/nathantaf I’m a Full Stack Developer with over 6 years of experience building scalable, high-performance applications across diverse industries. I specialize in designing and developing modern web solutions using technologies like Java, C#, React, Angular, Spring Boot, and Node.js. On the front end, I focus on creating responsive, user-friendly interfaces using React, modern JavaScript (ES6+), HTML5, and CSS3. I have strong expertise in state management with Redux and Context API, ensuring seamless and maintainable user experiences. On the back end, I design secure, efficient systems using microservices and event-driven architectures. I have extensive experience building RESTful and GraphQL APIs, as well as developing enterprise-grade services with Spring Boot and Node.js. I’m also skilled in working with both SQL and NoSQL databases, including MySQL, PostgreSQL, MongoDB, and SQL Server, enabling me to design flexible and robust data solutions. Beyond development, I’m passionate about writing clean, testable code and follow best practices like TDD using tools such as Jest, Mocha, and JUnit. I’ve implemented CI/CD pipelines using Jenkins, Maven, Git, and Docker to streamline delivery and improve reliability. I enjoy collaborating in Agile environments, mentoring team members, and contributing to a culture of continuous improvement. I’m always open to connecting with professionals, exploring new technologies, and taking on challenging opportunities that drive innovation. ## Work Experience ### Senior Full-stack Developer @ PNC Jan 2025 – Present Lead & Mentor: Spearheaded weekly code reviews and technical grooming sessions for a cross-functional Agile team, reducing production bugs by 20% through the enforcement of rigorous unit testing (JUnit/Jasmine). Architected & Managed Migration: Led the end-to-end migration of mission-critical financial modules from Java 11 to Java 17, leveraging modern JVM features to reduce memory overhead by 15% and improve application startup times. API Performance Engineering: Optimized enterprise Spring Boot microservices and Elasticsearch caching strategies, resulting in a 40% reduction in API latency for high-traffic dashboard data. Infrastructure & Scalability: Partnered with DevOps to orchestrate containerized deployments using AWS ECS and Kubernetes, achieving 99.9% uptime and enabling seamless auto-scaling during peak financial reporting periods. Security & Compliance: Hardened backend security by implementing OAuth 2.0 and JWT-based authentication, ensuring all integrations with third-party payment APIs met strict PCI-DSS regulatory standards. UI Modernization: Directed the development of responsive, high-fidelity dashboards using React 18 and TypeScript, establishing a reusable component library that accelerated frontend delivery by 30%. ### Full-stack Developer @ OneMain Financial Jan 2023 – Jan 2024 Full Stack API Development: Developed and maintained a hybrid API architecture using RESTful and GraphQL with Spring Boot, improving data fetching efficiency for mobile and web clients by 25%. Cloud-Native Solutions: Engineered serverless workflows using AWS Lambda and the Serverless Framework, reducing monthly infrastructure costs by 18% through event-driven task automation. Data Integrity & High Availability: Managed complex SQL Server and NoSQL database schemas, implementing indexing and partitioning strategies to support high-availability systems with zero data loss. Observability & Monitoring: Integrated Prometheus, Grafana, and ELK stack for real-time system health monitoring, cutting the Mean Time to Resolution (MTTR) for production incidents by 35%. Mentorship: Directly mentored 3 junior developers, guiding them through technical onboarding and architectural best practices, leading to two promotions within the team. ## Education ### Bachelor's degree in Computer Science Western Governors University ## Contact & Social - LinkedIn: https://linkedin.com/in/nathan-taf --- Source: https://flows.cv/nathantaf JSON Resume: https://flows.cv/nathantaf/resume.json Last updated: 2026-04-16