Senior Backend Engineer

DOSS Operations CloudDOSS 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:ProcurementInventoryOrdersFulfillmentFinanceBuilt 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, 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.What You'll DoDesign 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 patternsMentor 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 ForExperienceExpertise building large scale ETL on databases like Postgres, Elasticsearch, DuckDB, Memgraph (Graph DB), etcUsing cloud services to build + deploy reliable web applicationsWorking in abstractions to build complex graph-based architectures that scaleQualitiesTeam 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 GetCompetitive salary + meaningful equity100% Coverage for individuals Premium medical, dental & vision coverage401(k), immediate eligibilityLunch in-office 5 days/week (and dinner when needed)Flexible/unlimited PTOCommuter (BART/MUNI/CalTrain) and equipment stipendsWellness & Fitness stipendGenerous parental leaveRelocation assistance availableIn-office culture in San Francisco