Senior DevOps Engineer (Active Active Architecture)

HW.Tech
Full_time

📍 Job Overview

  • Job Title: Senior DevOps Engineer (Active Active Architecture)
  • Company: HW.Tech
  • Location: Warsaw, Mazowieckie, Poland
  • Job Type: Contractor (Remote)
  • Category: DevOps Engineering
  • Date Posted: June 20, 2025
  • Experience Level: 10+ years
  • Remote Status: Remote

🚀 Role Summary

  • Lead the transformation of a large-scale Conversational AI platform into a multi-region, active/active architecture.
  • Ensure high availability (99.95% uptime) with minimal recovery time objectives (RTO) and recovery point objectives (RPO).
  • Implement cross-region failover and intelligent traffic routing to deliver a seamless user experience.
  • Collaborate with a world-class engineering team in the EU timezone to deliver this high-impact project within an aggressive timeline.

📝 Enhancement Note: This role requires a senior-level DevOps engineer with a proven track record in active/active, multi-region deployments to succeed in this time-critical project.

💻 Primary Responsibilities

  • Architecture & Design:

    • Design and implement a production-ready active/active multi-region platform within 12 weeks.
    • Ensure seamless disaster recovery and business continuity with minimal data loss.
  • Infrastructure Management:

    • Manage and optimize open-source tools such as Kubernetes, Percona MySQL, Cassandra, OpenSearch, and Redis.
    • Implement multi-master databases, failover automation, and performance monitoring.
  • Collaboration & Communication:

    • Work closely with the core engineering team to integrate infrastructure changes with application development.
    • Communicate effectively with stakeholders to ensure project goals are met and expectations are managed.

📝 Enhancement Note: This role requires strong communication skills to bridge the gap between infrastructure and application development teams.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field. Relevant experience may substitute for formal education.

Experience: 8+ years in DevOps or Infrastructure Engineering roles with a proven track record in active/active, multi-region deployments.

Required Skills:

  • Expertise in Kubernetes (multi-cluster, multi-region), distributed systems, and network design.
  • Strong experience with multi-master databases, failover automation, and performance monitoring.
  • Ability to deliver under aggressive timelines without compromising quality.

Preferred Skills:

  • Certified Kubernetes Administrator (CKA) or similar certifications.
  • Experience with AWS, GCP, or Azure multi-region infrastructure.
  • Background in financial services or mission-critical systems.
  • Familiarity with Infrastructure as Code (Terraform, Helm) and service mesh (Istio, Linkerd).

📝 Enhancement Note: While not required, certifications and experience with major cloud providers can accelerate the onboarding process and demonstrate a strong commitment to continuous learning.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • Demonstrate experience with active/active, multi-region deployments through case studies or previous projects.
  • Showcase your ability to manage and optimize open-source tools such as Kubernetes, Percona MySQL, Cassandra, OpenSearch, and Redis.
  • Highlight your problem-solving skills and ability to deliver under aggressive timelines.

Technical Documentation:

  • Provide detailed documentation of your approach to multi-master databases, failover automation, and performance monitoring.
  • Include any relevant certifications or training materials that demonstrate your expertise in Kubernetes and distributed systems.

📝 Enhancement Note: A well-structured portfolio that clearly communicates your approach to infrastructure management and problem-solving will be crucial for success in this role.

💵 Compensation & Benefits

Salary Range: Competitive compensation based on experience. The salary range for this role in Warsaw, Poland is estimated to be between 15,000 PLN - 25,000 PLN per month, based on market research and web development industry standards.

Benefits:

  • Remote, full-time position.
  • 3+ month contract.
  • Opportunity to work with a world-class engineering team on a high-impact Conversational AI product.

Working Hours: 40 hours per week, with flexible hours to accommodate project deadlines and maintenance windows.

📝 Enhancement Note: While the salary range is competitive, the most significant benefit of this role is the opportunity to work on a high-impact project with a world-class engineering team.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Services & Technology. HW.Tech specializes in Conversational AI and digital banking solutions.

Company Size: Medium-sized company with a global presence, allowing for collaboration with diverse teams and exposure to various projects.

Founded: 2015. HW.Tech has a strong track record of delivering innovative solutions to the financial services industry.

Team Structure:

  • The engineering team is organized into cross-functional squads, each responsible for a specific product or feature.
  • The DevOps team works closely with these squads to ensure infrastructure requirements are met and maintained.
  • The company encourages a culture of collaboration, continuous learning, and innovation.

Development Methodology:

  • Agile/Scrum methodologies are used to manage sprints and deliver features on time.
  • Code reviews, testing, and quality assurance practices are integral to the development process.
  • CI/CD pipelines and automated deployment strategies are employed to ensure rapid and reliable delivery.

Company Website: https://helpwaretech.breezy.hr/

📝 Enhancement Note: HW.Tech's focus on innovation and collaboration makes it an attractive choice for DevOps engineers looking to make a significant impact on a high-impact product.

📈 Career & Growth Analysis

Web Technology Career Level: Senior DevOps Engineer. This role requires a deep understanding of distributed systems, network design, and multi-master databases. The senior-level expectation is to provide technical leadership and mentorship to junior team members.

Reporting Structure: This role reports directly to the Head of Engineering and works closely with the core engineering team.

Technical Impact: The successful candidate will have a significant impact on the scalability, availability, and performance of HW.Tech's Conversational AI platform. Their work will directly influence the user experience and business outcomes of the company's clients.

Growth Opportunities:

  • Technical Leadership: As a senior member of the team, there is ample opportunity to grow into a technical lead or architect role, mentoring junior team members and driving technical decision-making.
  • Product & Project Management: With experience in high-impact projects, there may be opportunities to transition into product or project management roles, leveraging your technical expertise to drive strategic initiatives.
  • Emerging Technologies: HW.Tech's focus on innovation provides ample opportunities to explore and adopt emerging technologies, further expanding your skillset and career prospects.

📝 Enhancement Note: HW.Tech's focus on innovation and collaboration creates numerous growth opportunities for senior DevOps engineers looking to expand their skillset and advance their careers.

🌐 Work Environment

Office Type: Remote, with occasional team meetings and workshops in Warsaw, Poland.

Office Location(s): Warsaw, Poland. While the role is remote, there may be occasional requirements to attend in-person meetings or events.

Workspace Context:

  • Remote Work: The remote work environment allows for flexibility and work-life balance, with the expectation of being available during core European business hours.
  • Collaboration Tools: HW.Tech uses a suite of collaboration tools, including Slack, Microsoft Teams, and Google Workspace, to facilitate communication and collaboration among team members.
  • Hardware & Software: HW.Tech provides the necessary hardware and software for remote work, including laptops, monitors, and access to development tools and environments.

Work Schedule: Flexible hours with a focus on delivering results and meeting project deadlines. Occasional maintenance windows and on-call rotations may be required.

📝 Enhancement Note: HW.Tech's remote work environment and focus on results-driven work provide a high degree of flexibility and work-life balance for DevOps engineers.

📄 Application & Technical Interview Process

Interview Process:

  1. Technical Screening: A phone or video call to discuss your experience, approach to infrastructure management, and problem-solving skills.
  2. Architecture & Design Challenge: A hands-on challenge to design and implement an active/active, multi-region architecture using open-source tools.
  3. Technical Deep Dive: A detailed discussion of your approach to infrastructure management, focusing on Kubernetes, distributed systems, and network design.
  4. Final Interview: A conversation with the hiring manager to discuss your fit with the team, company culture, and long-term career goals.

Portfolio Review Tips:

  • Highlight your experience with active/active, multi-region deployments and infrastructure management.
  • Include case studies or projects that demonstrate your ability to manage and optimize open-source tools such as Kubernetes, Percona MySQL, Cassandra, OpenSearch, and Redis.
  • Showcase your problem-solving skills and ability to deliver under aggressive timelines.

Technical Challenge Preparation:

  • Brush up on your knowledge of Kubernetes, distributed systems, and network design.
  • Familiarize yourself with open-source tools such as Percona MySQL, Cassandra, OpenSearch, and Redis.
  • Practice designing and implementing active/active, multi-region architectures using these tools.

ATS Keywords: Kubernetes, Distributed Systems, Network Design, Multi-Master Databases, Failover Automation, Performance Monitoring, AWS, GCP, Azure, Infrastructure as Code, Terraform, Helm, Service Mesh, Istio, Linkerd, Disaster Recovery, Conversational AI, Financial Services, Mission-Critical Systems.

📝 Enhancement Note: HW.Tech's focus on high-impact projects and innovation requires a strong technical skillset and the ability to deliver under aggressive timelines. Candidates should be prepared to demonstrate their expertise in infrastructure management and problem-solving.

🛠 Technology Stack & Web Infrastructure

Infrastructure Tools:

  • Kubernetes: The primary container orchestration platform used to manage and deploy applications at scale.
  • Percona MySQL: A high-performance, open-source database management system used to store and manage data.
  • Cassandra: A distributed, open-source database designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure.
  • OpenSearch: A highly scalable, open-source search and analytics engine based on the Apache Lucene library.
  • Redis: An open-source, in-memory data structure store, used as a database, cache, and message broker.

Development & DevOps Tools:

  • Terraform: An Infrastructure as Code (IaC) software tool that enables the provisioning and management of infrastructure resources in a declarative way.
  • Helm: The package manager for Kubernetes, enabling the easy publication, finding, and consumption of Kubernetes packages.
  • Istio: A service mesh that layers transparent observability, secure service-to-service communication, and traffic management into existing, distributed applications.

📝 Enhancement Note: HW.Tech's use of open-source tools allows for a high degree of flexibility and customization in infrastructure management. Candidates should be comfortable working with these tools and be prepared to contribute to their optimization and maintenance.

👥 Team Culture & Values

Web Development Values:

  • Innovation: HW.Tech values innovation and encourages team members to explore and adopt emerging technologies to drive business outcomes.
  • Collaboration: The company fosters a culture of collaboration, with cross-functional teams working together to deliver high-impact products.
  • Continuous Learning: HW.Tech encourages team members to continuously learn and expand their skillset, providing opportunities for professional development and growth.
  • Customer Focus: The company is committed to delivering exceptional customer experiences, with a focus on understanding and meeting the needs of its clients.

Collaboration Style:

  • Cross-Functional Teams: HW.Tech uses cross-functional teams to deliver products and features, with members from various disciplines working together to achieve common goals.
  • Code Reviews & Pair Programming: The company encourages code reviews and pair programming to ensure code quality and knowledge sharing among team members.
  • Regular Check-ins & Retrospectives: HW.Tech uses regular check-ins and retrospectives to facilitate communication, identify areas for improvement, and drive continuous learning and improvement.

📝 Enhancement Note: HW.Tech's focus on innovation, collaboration, and continuous learning creates a dynamic and engaging work environment for DevOps engineers.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • Active/Active, Multi-Region Deployment: Design and implement an active/active, multi-region architecture within an aggressive timeline.
  • High Availability & Disaster Recovery: Ensure 99.95% uptime with minimal RTO and RPO, and implement seamless disaster recovery and business continuity.
  • Intelligent Traffic Routing: Implement cross-region failover and intelligent traffic routing to deliver a seamless user experience.

Learning & Development Opportunities:

  • Emerging Technologies: Explore and adopt emerging technologies to drive business outcomes and expand your skillset.
  • Conference Attendance & Certification: HW.Tech encourages team members to attend industry conferences and obtain relevant certifications to stay up-to-date with the latest trends and best practices.
  • Technical Mentorship & Leadership: Provide technical mentorship to junior team members and drive technical decision-making as a senior member of the team.

📝 Enhancement Note: HW.Tech's focus on high-impact projects and innovation creates numerous challenges and growth opportunities for senior DevOps engineers looking to expand their skillset and advance their careers.

💡 Interview Preparation

Technical Questions:

  • Architecture & Design: Discuss your approach to designing and implementing active/active, multi-region architectures using open-source tools.
  • Infrastructure Management: Explain your experience with managing and optimizing open-source tools such as Kubernetes, Percona MySQL, Cassandra, OpenSearch, and Redis.
  • Problem-Solving: Describe your approach to problem-solving and delivering under aggressive timelines.

Company & Culture Questions:

  • Company Culture: Discuss your understanding of HW.Tech's culture and values, and how you would contribute to the team's success.
  • Collaboration: Explain your experience working in cross-functional teams and driving collaboration between infrastructure and application development teams.
  • Long-Term Goals: Describe your long-term career goals and how this role aligns with your aspirations.

Portfolio Presentation Strategy:

  • Architecture & Design: Present your approach to designing and implementing active/active, multi-region architectures using open-source tools.
  • Infrastructure Management: Highlight your experience with managing and optimizing open-source tools such as Kubernetes, Percona MySQL, Cassandra, OpenSearch, and Redis.
  • Problem-Solving: Showcase your problem-solving skills and ability to deliver under aggressive timelines through case studies or previous projects.

📝 Enhancement Note: HW.Tech's focus on high-impact projects and innovation requires a strong technical skillset and the ability to deliver under aggressive timelines. Candidates should be prepared to demonstrate their expertise in infrastructure management and problem-solving.

📌 Application Steps

To apply for this Senior DevOps Engineer (Active Active Architecture) position:

  1. Customize Your Portfolio: Tailor your portfolio to highlight your experience with active/active, multi-region deployments and infrastructure management using open-source tools.
  2. Optimize Your Resume: Highlight your relevant experience and skills, focusing on your expertise in Kubernetes, distributed systems, and network design.
  3. Prepare for Technical Challenges: Brush up on your knowledge of open-source tools such as Kubernetes, Percona MySQL, Cassandra, OpenSearch, and Redis. Practice designing and implementing active/active, multi-region architectures using these tools.
  4. Research HW.Tech: Familiarize yourself with the company's products, services, and culture to ensure a strong fit with the team and organization.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Candidates should have 8+ years in DevOps or Infrastructure Engineering roles with a proven track record in active/active, multi-region deployments. Expertise in Kubernetes and strong experience with multi-master databases and failover automation is required.