Principal Full Stack Engineer
Core
Architect, build, and maintain production-grade SaaS applications and core platform services for micro SMEs, integrating agentic AI workflows.
Role type
Principal Full Stack Engineer (Senior IC)
Builds
Scalable distributed web applications, resilient APIs, database schemas, and cloud-native services for corporate secretary, accounting, and FinTech products. (via careerplan.io/jobs/2b33ccbe-06de-4592-bbd4-63f910de325d-principal-full-stack-engineer-at-sleek)
Domain
FinTech / RegTech / Accounting / Corporate Services
Deliverable
production ML models | product features
Required skills
TypeScript, Node.js, React/Vue, NestJS, Postgres, MongoDB, distributed systems architecture, cloud operations, observability, AI agent orchestration, developer tooling, mentoring
Preferred skills
AWS, Kubernetes, Rancher, Grafana, Prometheus, OpenTelemetry, Cursor, Claude Code, Copilot, multi-agent workflows, LLM observability
Technologies
TypeScript, Node.js, React, Vue, NestJS, Postgres, MongoDB, AWS, Kubernetes, Rancher, Grafana, Prometheus, OpenTelemetry, Cursor, Claude Code, Copilot
Responsibilities
Architect and implement agentic AI capabilities and intelligent workflows into production applications; Build and maintain engineering harnesses, automated workflows, and internal developer tooling; Identify and eliminate performance bottlenecks in APIs, data pipelines, and backend microservices; Mentor senior and mid-level engineers and lead technical architecture reviews.
Seniority
Principal, hands-on IC with strategic influence