Senior Backend Engineer

ABOUT DOSS   DOSS IS BUILDING AN OPERATIONS CLOUD FOR THE REAL WORLD. A modern, AI-native platform for physical product businesses to manage the flow of goods, dollars, and data in real time, across: - Procurement - Inventory - Orders - Fulfillment - Finance Built to replace spreadsheet chaos and rigid, consultant-heavy ERPs. Fast time-to-value, adaptable as the business evolves. Through our Adaptive Resource Platform (ARP) and unified operational data model, teams deploy quickly, automate workflows, and make changes without months of re-implementation. We recently raised a $55M Series B https://www.doss.com/news/doss-raises-55m-series-b, co-led by Madrona and Premji Invest. Participation from Intuit Ventures, Theory Ventures, General Catalyst, Contrary Capital, and Pathlight VC. DOSS is trusted by fast-growing operators to run critical operations with speed, control, and confidence. ABOUT THE ROLE WHAT YOU'LL DO - Design the core EAV data model & schema‑as‑code platform that powers every customer’s instance, balancing extreme flexibility with transactional integrity. - Build a Git‑style version‑control + migration engine capable of rolling forward/back complex schema and data changes on live production tenants in enterprise settings. - Engineer AI‑assisted tooling that uses foundation models to propose, validate, and apply new customer schemas and workflow definitions. - Scale our white‑labeled data warehouse (BigQuery/Snowflake‐like) for high‑volume, low‑latency analytics and automation workloads. - Create Terraform‑like declarative APIs & SDKs so ops teams can treat business processes as code while you ensure security, tenancy, and performance. - Deliver end‑to‑end observability & search across supply‑chain, finance, and ops data—surfacing business logic in plain language through AI‐native search. - Build Enterprise guard rails into a composable system to proactively detect anomalous behavior or risky emergent patterns - Mentor and shape engineering culture, partnering with product and design to turn unsexy back‑office pain into elegant, resilient systems loved by operators. WHAT WE'RE LOOKING FOR Experience - Expertise building large scale ETL on databases like Postgres, Elasticsearch, DuckDB, Memgraph (Graph DB), etc - Using cloud services to build + deploy reliable web applications - Working in abstractions to build complex graph-based architectures that scale Qualities - Team player: you bring positivity, openness, and curiosity to the team every day. - Growth mindset: everything is an opportunity to learn and improve yourself, the team, and the company. - Craftsmanship: you care about making something of quality. - Pragmatic: you make the right decision based on circumstance, not theory. - Low Ego: you work best in collaborative environments where everyone supports the team. WHAT YOU'LL GET - Competitive salary + meaningful equity - 100% Coverage for individuals Premium medical, dental & vision coverage - 401(k), immediate eligibility - Lunch in-office 5 days/week (and dinner when needed) - Flexible/unlimited PTO - Commuter (BART/MUNI/CalTrain) and equipment stipends - Wellness & Fitness stipend - Generous parental leave - Relocation assistance available - In-office culture in San Francisco