Senior Platform Engineer - Cloud & DX (Hybrid, Kraków)

CQUE

Kraków

Hybrid

PLN 180,000 - 280,000

Full time

2 days ago
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Job summary

CQUE is seeking a Software Engineer / Senior Software Engineer, Platform, to build the technical foundations powering a global cloud-based SaaS platform. You will join a high-performing Platform Engineering team owning infrastructure, services, tooling, and developer experience across multiple countries and time zones.

The role covers developers of shared libraries, internal APIs, and CI/CD pipelines, with a focus on scalable, secure platforms and strong ownership of production systems.

Qualifications

  • 3+ years of backend experience with TypeScript/Node.js, ideally NestJS in production.
  • Strong fundamentals: CPU, memory, I/O, concurrency, performance bottlenecks.
  • Experience using AI-assisted development tools and reviewing AI-generated code.
  • Knowledge of PostgreSQL: schema design, migrations, query analysis.
  • Familiarity with AWS services: DynamoDB, SQS, Kinesis, Lambda.
  • Experience with CI/CD pipelines and release flows.
  • Experience with observability tools: Prometheus, Grafana, OpenTelemetry, Datadog.
  • Willingness to learn across a broad, evolving platform landscape.
  • Commitment to writing clean, reusable code.

Responsibilities

  • Build and maintain shared libraries and SDKs for authentication, logging, configuration, gRPC clients, and error handling.
  • Develop shared backend services and internal APIs.
  • Improve developer experience with service templates, scaffolding, and local development tooling.
  • Build and maintain CI/CD pipelines using GitHub Actions.
  • Develop observability across metrics, logs, traces, dashboards, and alerts.
  • Collaborate with product engineering teams to solve complex technical problems and review designs.
  • Participate in an on-call rotation and respond to production incidents.
  • Build scalable cloud platforms supporting multiple SaaS applications.

Skills

TypeScript / Node.js
NestJS
Performance optimization
AI-assisted development
Distributed systems
Team collaboration
Time zone coordination

Tools

PostgreSQL
AWS (DynamoDB, SQS, Kinesis, Lambda)
CI/CD
Prometheus
Grafana
OpenTelemetry
Datadog

Job description

CQUE is seeking a Software Engineer / Senior Software Engineer, Platform, to build the technical foundations powering a global cloud-based SaaS platform. You will join a high-performing Platform Engineering team owning infrastructure, services, tooling, and developer experience across multiple countries and time zones.

The role covers developers of shared libraries, internal APIs, and CI/CD pipelines, with a focus on scalable, secure platforms and strong ownership of production systems.

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