Site Reliability Engineer (SRE team)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on building and optimizing Java microservices in a cloud-native environment using Spring, Docker, and Kubernetes. Key responsibilities include performance improvement, observability tooling, and team training. Knowledge of AWS or GCP and performance tuning practices is required. Benefits include private healthcare, Multisport, insurance, and access to training.

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Site Reliability Engineer (SRE team)

Company: Mindbox Sp. z o.o.

from: 1 July 2026
to: 31 July 2026
28 000 - 34 000net (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Java
Docker
Kubernetes
AWS
Google Cloud Platform

Operating system

Windows

Our requirements

  • Passionate engineer experienced in building and maintaining Java-based services, ideally with Spring framework and microservices architecture.
  • Experience with Docker and Kubernetes in production environments.
  • Experience with cloud platforms: AWS or Google Cloud Platform (GCP).
  • Solid understanding of observability practices, performance tuning, and debugging techniques.
  • Broad experience running and optimizing Java-based microservices including database performance queries.
  • Ability to work collaboratively across teams and mentor others.

Optional

  • Experience with message-driven architectures or event sourcing.
  • Familiarity with modern observability patterns and tooling.

Your responsibilities

  • Improve the availability, latency, and efficiency of Java microservice-based systems.
  • Split time equally between coding and working with product squads to enforce engineering standards (e.g., logging, monitoring).
  • Optimize microservices performance through database query improvements, reduced response times, and lowered processing overhead.
  • Implement observability tooling and lead performance tuning initiatives for large-scale distributed systems.
  • Provide training for teams on microservice performance improvements, mock incident management, and game days.
  • Note: Detailed project information will be shared during the recruitment process.

About the project

Are you passionate about building reliable, scalable platforms and improving system resilience and performance? We are looking for a Site Reliability Engineer (SRE) to work in a dynamic environment focused on ensuring availability, efficiency, and operational excellence for cloud-native solutions.
Sounds like your kind of challenge?

This is how we organize our work

This is how we work

agile

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
Company

What we offer

  • Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.).
  • Hybrid work setup – 2 days per month on-site in Warsaw.
  • Collaborative team culture – work alongside experienced professionals eager to share knowledge.
  • Continuous development – access to training platforms and growth opportunities.
  • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more.
  • High quality equipment – laptop and essential software provided.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of professional training & courses
  • life insurance

Mindbox Sp. z o.o.

At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Site Reliability Engineer (SRE team)
28k–34k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Warszawa, Masovian
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