coandca

[Position]: Current Staff Platform/Data Engineer and active SaaS Founder; available for fixed-scope technical consulting
[Programming Languages]: Python, SQL, TypeScript/JavaScript, Bash, Vue, React, Java, additional technologies available if required.
[Years Experience]: 10 years professionally, including approximately 4 years at Staff level
[Previous Projects]: Shared marketing organization platform infrastructure, ingestion pipelines, and lead data systems for a large internet company; a production multi-tenant SaaS business that I built, own, and operate end to end including product development, backend, frontend, AWS infrastructure, deployments, security, observability, automated testing, customer workflows, and business operations; a proprietary real-time trading and quantitative research platform that I also built, own, and operate end to end including REST/WebSocket ingestion, historical storage, replay, backtesting, AWS infrastructure, monitoring, alerts, deployments, and failure recovery. Samples can be provided privately.
[Availability]: Part-time and asynchronous, primarily evenings/weekends; same-day priority work available
[Other Info]: Experience includes AWS, infrastructure, DevOps, CI/CD, Docker, API integrations, data pipelines, automated testing, integration testing, Playwright, production reliability, and coding-agent context/harness systems. Easy starting points include technical sanity checks, workflow build plans, coding agent setup/project bootstrapping, testing reviews, pre-deployment code reviews, data/API rescue, AWS reviews, and small fixes or integrations. Also open to advanced backend, infrastructure, architecture, real-time systems, data-platform, testing, and agent-harness requests. USDC on Solana or Base preferred, but I will accept most crypto payments and USD fiat.