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Platform Engineer Mid Senior
  • Warsaw
Platform Engineer Mid Senior
Warszawa, Warsaw, Masovian Voivodeship, Polska
Reffine
9. 7. 2025
Informacje o stanowisku

We’re looking for an experienced Platform Engineer to join our growing infrastructure team. If you enjoy working across cloud and bare-metal systems, value pragmatic automation, and thrive in a small, high-impact team - this is for you.

Role Summary

As a Platform Engineer, youll be responsible for building and maintaining our hybrid infrastructure - a mix of AWS-based cloud workloads and on-prem systems. Youll help us scale our platform with Kubernetes (EKS), automate environments, improve security and observability, and support product engineering with robust tooling and deployment workflows.

This is a hybrid role - part-remote, part-on-site (Warsaw area). Youll join a team of 2 engineers, working closely with developer teams and the CTO.

What You’ll Be Working On

  • Build and maintain infrastructure across AWS (EKS, EC2, RDS, Aurora, Redis, CloudFront) and Proxmox VE/Backup .

  • Support containerized workloads using Docker , orchestrated via Kubernetes (EKS) with Helm and Karpenter for scaling.

  • Manage IaC pipelines with Terraform and Ansible for consistent environment provisioning.

  • Optimize app serving stack: nginx/passenger , HAProxy , Varnish , Cloudflare , and Lets Encrypt integrations.

  • Enhance platform observability using Prometheus, Grafana, AlertManager , and centralized logging via Elastic, Wazuh , and Netdata .

  • Support internal tooling: secrets with Vault , secure access via Boundary , and GitLab-based CI/CD.

  • Build and maintain internal developer platform (self-hosted Gitlab) , CI runners, CI pipelines and deployment automation

  • Enable zero-downtime deployments for monolithic Rails and Inertia.js applications.

✅ What We’re Looking For

Must-Have Skills

  • 3+ years in Platform, DevOps, or Infrastructure Engineering.

  • Strong Linux fundamentals (Debian/Alpine).

  • Production-grade experience with AWS (EC2, EKS, RDS, IAM, Cloud networking (VPC)).

  • Proficiency with Terraform , Ansible , and GitLab CI/CD .

  • Experience operating Kubernetes , ideally EKS , with Helm and Karpenter .

  • Solid understanding of containers and service orchestration .

  • Familiarity with logging, monitoring, and alerting systems.

  • Collaborative mindset, autonomy in hybrid/remote work, and strong problem-solving skills.

Nice-to-Have Skills

  • Experience with Proxmox VE , custom hardware deployments, or hybrid cloud/on-prem setups.

  • Knowledge of PostgreSQL RDS Proxy , Aurora , or ElastiCache Redis .

  • Familiarity with Vault , Boundary , or other HashiCorp tooling.

  • Experience optimizing high-traffic web stacks (Rails/Nodejs) or performance-tuning Nginx/Passenger/Varnish.

  • Awareness of infrastructure security, SSL/TLS, and zero trust principles.

  • Interest in future MLOps work (e.g., GPUs, ML infra) is a bonus.

How We Work

  • We’re a small team , with high trust and shared ownership.

  • You’ll work across the stack - from cloud architecture to deployment tooling.

  • Our infra is built for scale, reliability and cost-efficiency , but we avoid unnecessary complexity.

  • We value clarity, async communication, thoughtful automation and learning skills.

Work Model

  • Location: Hybrid (remote + on-site in Warsaw)

  • Schedule: Flexible, with some team-aligned core hours

  • Language: English (tech), Polish (team communication)

✉ How to Apply

If you’re interested, send us:

  • Your CV

  • Examples of past infrastructure work (public repos, blog posts, or short summary)

  • Any questions you might have for us

  • We’ll share a short, practical take-home exercise after the screening call.

✨  Benefits

  • Salary range PLN 17 000 - 25 000 + VAT (B2B) , based on experience

  • Flexible working hours

  • Modern office space in Old Mokotów

  • Company MacBook Pro laptop

  • Multisport card

  • Enel-Med healthcare package

  • Secure bike storage and on-site shower facilities

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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