coderish
Senior software engineer / technical lead in Vancouver with 6+ years building production AI, backend, full-stack, and platform systems, seeking founding engineer or senior IC roles.
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Location: Vancouver, Canada Remote: Yes Willing to relocate: No Technologies: Python, TypeScript/JavaScript, Go, C#/.NET, SQL, FastAPI, PydanticAI, React/Next.js, PostgreSQL, Redis, AWS, Docker, Kubernetes Software engineer / technical lead with 6+ years building production AI, backend, full-stack, data, and enterprise systems. I’m strongest in high-ownership environments where product behavior, state, reliability, infrastructure, and user-facing execution all have to work as one system. Most recently I’ve been a Technical Lead / Founding Engineer at Siift, where I built much of the production AI platform: a Python/PydanticAI runtime coordinating 50+ specialized agents, PostgreSQL-backed durable execution and memory, retries/checkpoints/recovery, model-provider routing, retrieval, evaluations, and the real-time FastAPI/Redis/SSE → React/Zustand product path. I also own substantial parts of infrastructure, deployment, releases, production debugging, authentication, teams, permissions, connectors, search, scheduled workflows, and product architecture. At RentAHuman.ai, I shipped the payments/bounty MVP for a marketplace with 600k+ users, including Stripe Connect escrow, payouts, refunds, disputes, idempotent state transitions, reconciliation, messaging, and notifications. Previously, I built resumable Go ingestion/data pipelines for a genomic research platform and led modernization of a ~20-year-old manufacturing ERP across C#/.NET, Python, PostgreSQL/SQL Server, Redis, RabbitMQ, Docker, React, and cloud infrastructure. Outside work I’m building NullDown, a persistent context and memory runtime for agents: versioned/snapshot-based state, structured mutations, branching and replay, retrieval/context compilation, and near-lossless compaction so information removed from an active agent session remains queryable instead of disappearing. Looking for founding engineer, senior backend, senior full-stack, AI/agent infrastructure, or product/platform engineering roles where I can own substantial systems end-to-end. GitHub: https://github.com/rishit-singh Website: https://coderi.sh LinkedIn: https://linkedin.com/in/rishit-singh Resume: https://drive.google.com/file/d/1bS8PRZBXh_ACTe0BPAtfJplS6zF7m3fu/view?usp=sharing Email: [email protected]
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