Vetted Full-Stack Development Professionals

“Worked on an AWS DynamoDB Journal team project building internal operator dashboards end-to-end, creating Java/Spring Boot APIs and integrating them into a Spring Boot/Thymeleaf/JavaScript UI to speed up debugging workflows. Has experience with data-heavy web apps and performance techniques (load balancing, caching, pagination, compression) plus hands-on debugging across unit/integration/E2E tests; also maintained and enhanced a React website at Global Spark.”

“Built end-to-end AI analytics experiences spanning React/TypeScript, serverless APIs, and Postgres, with a strong focus on streaming UX, observability, and reliability. Stands out for turning ambiguous AI product ideas into shippable MVPs, then abstracting repeated patterns into reusable orchestration and multi-tenant configuration systems that improved speed, consistency, and maintainability.”

Denis Siminiuc

Screened

Junior Research Assistant specializing in LLMs, NLP, and data systems

Cambridge, MA3y exp

“Software-focused candidate who built a data monitoring pipeline during a hedge fund internship, integrating real databases and an email API to notify teams when data was ready. Comfortable working through legacy/scrappy code and uses LLMs to accelerate comprehension and delivery, with an emphasis on thorough testing and clear communication with stakeholders/customers.”

Kyle Warneck

Screened

Director-level Frontend Engineer specializing in high-scale web platforms

Alameda, CA13y exp

“Former Epic Games engineering leader who built the web foundation of the Fortnite creator ecosystem, joining as the first web developer and scaling the team to 21 engineers as the platform grew to tens of thousands of creators and tens of millions of players. Combines deep frontend architecture expertise with backend/infrastructure ownership, observability, and product leadership across publishing, trust and safety, economy, analytics, and public APIs.”

“Repeat startup co-founder with multiple successful exits and significant fundraising experience (most recent raise $6M USD; prior raise £10M GBP). Interested in roles bridging investors and startups—performing due diligence and evaluating MVPs/USPs to help firms invest in the right companies and support portfolio growth toward exit.”

Zheng Liu

Screened

Executive engineering leader specializing in AI platforms and FinTech

Seattle, WA13y exp

“Engineering and product leader who currently owns both functions at Enzzo and previously served as a founding/head of engineering leader at Imprint, helping scale the company from seed to Series C. Stands out for combining customer-driven product strategy with hands-on technical execution, including an early AI/open-source LLM solution to reduce the time and cost of persona-based user research.”

“Backend/full-stack engineer with experience building large-scale systems on Salesforce and eBay, including a sharded Oracle-backed personalization store used by millions of sellers and a Spring Boot microservice that executes scheduled payouts at high volume. Emphasizes production readiness via state-machine-based idempotency, strong observability (Splunk/Elasticsearch/PagerDuty), and extensive Selenium/Sauce Labs automation.”

“Product leader at Intuit/QuickBooks Workforce who built an AI-powered conversational agent for payroll and time entry, a high-stakes workflow where mistakes directly affect whether workers get paid correctly. Stands out for combining multimodal AI, RAG, and human-in-the-loop confirmation with strong UX judgment, delivering measurable outcomes including a 60% drop in worker complaints and a 30% faster path to action.”