William GreenWood

Senior Backend & Full-Stack Engineer with over 11 years of experience architecting high-performance distributed systems, robust cloud infrastructure, and modern full stack web applications. Proven track record of scaling enterprise backend architectures using Go, Java, and Python while driving rapid feature iteration in startup environments via the TypeScript, Next.js, and Tailwind CSS ecosystem. Highly skilled in engineering production-ready AI workflows utilizing FastAPI and RAG architectures to automate complex operational tasks.

A product-minded technical leader who thrives in fast-paced engineering cultures, translating ambiguous product requirements into secure, scalable, and resilient technical solutions.

Senior Software Engineer at Stellar Science (2022-01 – 2026-08)

• Scaled enterprise backend platforms using Go, Java, and Python, improving overall system throughput by 40% to support high-volume workloads.
• Architected fault-tolerant distributed systems with microservices, Kafka, Redis, PostgreSQL, and Kubernetes, eliminating bottlenecks and improving uptime to 99.5%.
• Engineered highly available REST and GraphQL APIs with gRPC-based services, strengthening internal communication and security configurations.
• Spearheaded database optimization and cloud-native migrations across AWS and Azure, reducing API response latency by 12% and optimizing infrastructure costs.
• Accelerated engineering velocity with GitHub Actions and Azure DevOps CI/CD pipelines, cutting deployment cycles by one hour.
• Designed production-ready AI workflows with Python, FastAPI, LLM APIs, and RAG architectures, automating manual tasks and improving operational efficiency by 43%.
• Established centralized logging, monitoring, and metrics practices, reducing mean time to resolution by 17% during production troubleshooting.

Software Engineer at Noventum Custom Software (2018-07 – 2021-12)

• Architected full-stack features with Node.js/React and TypeScript, reducing frontend bundle sizes by 40% and accelerating initial page loads.
• Designed type-safe API communication layers, cutting client-server integration bugs and reducing API data overhead by 60%.
• Engineered modular UI systems with Tailwind CSS and responsive layout primitives, shortening frontend feature development cycles by 17 days.
• Optimized PostgreSQL data layers and Redis caching, lowering database server load by 20% during sudden traffic spikes.
• Streamlined testing with Jest and Cypress automation, elevating production stability and code-coverage benchmarks to 80%.
• Partnered with product owners to map user feedback into iterative, shippable application improvements within rapid startup sprints.

Backend Software Engineer at Maya Virtual (2015-09 – 2018-05)

• Developed core backend applications from the ground up using Java, Python, and Ruby on Rails to support evolving business logic.
• Constructed robust server-side features and database models with strict data integrity and efficient storage access patterns.
• Built secure REST APIs for seamless data exchange with multiple high-priority third-party system integrations.
• Designed database queries, optimized data-access patterns, and improved application performance around observed bottlenecks.
• Implemented enterprise-grade authentication, validation, and proactive error handling across primary backend services.
• Elevated engineering practices through code reviews, mentoring junior engineers, and test-driven development.

Bachelor of Science in Software Engineering – New Mexico State University (2011-08 – 2015-05)