Senior Backend Engineer / Architect @ BEO Software

Job Description

Responsibilities

Architecture implementation of scalable REST/GraphQL APIs (OpenAPI-driven)
Data model persistence (PostgreSQL 16 + pgvector), migration strategy
AuthN/AuthZ (OIDC/OAuth2 with Azure AD / B2C), RBAC, rate limiting
Event/queue-based orchestration (Azure Service Bus or similar), idempotence retries
Observability (OpenTelemetry, dashboards, alerting) SLO/SLA definition
Security compliance (key vault, private endpoints, secrets rotation, GDPR concept)
CI/CD (GitHub Actions/Azure DevOps), IaC (Bicep/Terraform), blue/green deployments
Technical leadership: coding standards, reviews, API contracts (AsyncAPI)

Desired Candidate Profile

5+ years of backend experience (2+ as lead/architect)
TypeScript/Node.js (Express/Fastify), strong API/domain modeling
Azure: AKS or App Service, Azure AD/B2C, Service Bus, Storage/Blob, Monitor
SQL: PostgreSQL (query optimization, indexes, migrations), basic knowledge of pgvector
OpenAPI/Swagger, contract testing, end-to-end security (mTLS, JWT, CORS)
Clean code tests (Jest/Vitest), performance/load testing (k6) Nice-to-haves
Experience with search/ranking systems, caching (Redis), feature flags
Experience with HR/ATS integrations, SFTP/batch imports
Working method: API-first, clean code, trunk-based development, mandatory code reviews
Tools/Stack: GitHub, GitHub Actions/Azure DevOps, Docker, pnpm/Turborepo (Monorepo), Jira/Linear, Notion/Confluence
On-call/Support: rotating, "you build it, you run it"