About InterspectAI We re building Spectra SpectraHire multi-tenant AI products that power interview automation deep analytics and enterprise integrations You ll be the technical force multiplying our small team owning architecture shipping product and laying down the engineering culture and DevOps foundations The Role A true mini CTO who codes daily makes pragmatic architecture decisions and can lead the next 3-5 hires You ll span backend frontend infra and ML real-time media surfaces LiveKit If you like zero-to-one complex systems and talking to users this is for you Stack You ll Touch Frontend ReactJS TypeScript SPA Tailwind Backend Java Spring Boot Python FastAPI Node js select services Auth Keycloak OIDC OAuth2 SSO Entra ID Okta Google Data PostgreSQL CockroachDB Redis S3 Glue ETL Analytics BI Metabase Superset Realtime Media LiveKit SFU Deepgram ASR Infra AWS Fargate ECS EventBridge CloudWatch ALB NLB IaC Terraform CDK CI CD GitHub Actions What You ll Do Responsibilities Own the architecture Design and evolve a secure multi-tenant SaaS B2B B2C with clean module boundaries API layer services layer data analytics auth Ship product fast Implement core features across React UI FastAPI Spring services and integrate with Keycloak LiveKit and third-party APIs Data analytics Define data models ETL pipelines and materialized views to power dashboards and AI insights Metabase DevOps reliability Stand up environments CI CD observability blue green deploys tune cost perf enforce SLOs and error budgets Security compliance Tenant isolation RBAC ABAC Casbin jCasbin audit trails secrets management SSO federation patterns Technical leadership Code reviews mentoring coding standards architecture decision records ADRs tech roadmap Customer-obsessed Join product calls translate requirements into solid designs instrument usage and iterate Nice Problems You ll Solve Resilient multi-region media flows LiveKit with graceful worker failover Token-based impersonation for support auditability Dynamic analytics model EAV facts for arbitrary tenant metrics High-volume ETL into analytics schema with incremental loaders Keycloak realm org modeling for B2B tenants B2C social logins Qualifications Must-haves 6-12 years building and operating production systems startup or product company Strong in at least two of React TypeScript Java Spring Boot Python FastAPI Node js services Deep AWS familiarity containers ECS Fargate networking IAM monitoring CI CD Databases schema design migrations performance tuning Postgres CockroachDB Redis Comfortable with auth OIDC JWT and SSO integrations Keycloak or equivalent Evidence of shipping fast owning outcomes and wearing many hats Nice-to-haves LiveKit WebRTC streaming media pipelines Chargebee Stripe webhooks idempotency patterns Data tooling Glue Spark Metabase Superset Policy engines Casbin jCasbin GraphQL domain-driven design Experience with SOC2 GDPR best practices 30 60 90 Day Plan 30 days Deep dive into codebases and infra stabilize CI CD ship 1-2 features instrument key metrics and logs own on-call runbook 60 days Lead a cross-cutting refactor auth tenancy boundary or analytics ETL deploy improved observability optimize a cost hotspot 90 days Drive a major release e g University wholesale model or Tenant SSO federation define hiring plan mentor a junior mid dev document v1 architecture How We Work Small team high trust async-first crisp written communication Pragmatic engineering prefer boring tech that scales automate toil measure everything Ship to learn feature flags staged rollouts metrics-driven iteration Compensation Competitive salary meaningful equity founding engineer level Remote-first 4 hours of core overlap hardware learning budget Interview Process Intro call 30 min - mutual fit product walkthrough Technical deep dive 60-90 min - architecture code discussion Hands-on exercise async 2-3 hrs - small feature or design doc Founder session - roadmap culture offer Job Type Full time Pay 3 000 000 00 - 4 500 000 00 per year Benefits Flexible schedule Work from home Experience Python 4 years Preferred Java 5 years Preferred React 5 years Required PostgreSQL 4 years Preferred