Java SRE Engineer

Java SRE Engineer

Hybrid | 2 days from the office in Warsaw

Are you passionate about reliability, automation, cloud technologies, and building resilient systems at scale? We're looking for a Java SRE Engineer to join our growing team and help ensure the stability, security, and performance of mission-critical applications within the fintech and payments domain.

As part of our engineering organization, you'll combine software engineering expertise with Site Reliability Engineering practices to improve platform reliability, automate operations, and drive operational excellence. You'll also leverage modern AI-powered tools to enhance troubleshooting, automation, and engineering productivity.

Your Mission

Site Reliability Engineering

• Ensure the availability, reliability, scalability, and performance of critical production systems.

• Design and implement monitoring, alerting, and observability solutions.

• Manage incident response, root cause analysis, and post-mortem activities.

• Establish and monitor Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Service Level Agreements (SLAs).

• Drive reliability improvements through automation and engineering best practices.

Software Engineering

• Develop and maintain automation tools and platform services using Java.

• Improve system resilience, performance, and operational efficiency.

• Collaborate with development teams to build highly reliable applications.

• Support production environments and participate in on-call rotations when required.

Cloud & Infrastructure

• Design and maintain cloud-native infrastructure.

• Manage containerized environments using Docker and Kubernetes.

• Implement Infrastructure as Code (IaC) practices.

• Optimize platform scalability, security, and cost efficiency.

AI-Powered Engineering

• Utilize tools such as GitHub Copilot, ChatGPT, Claude, and Cline to improve automation and operational efficiency.

• Explore AI-driven approaches to incident management, monitoring, and system optimization.

• Promote best practices for AI adoption within engineering teams.

Security & Compliance

• Support implementation of security controls and operational best practices.

• Assist with compliance requirements and operational audits.

• Ensure secure handling of sensitive financial and customer data.

Collaboration

• Partner closely with Software Engineers, DevOps Engineers, Security Teams, and Product Owners.

• Participate in Agile ceremonies and reliability planning sessions.

• Contribute to technical documentation and knowledge-sharing initiatives.

Must-Have Skills

Backend & Automation

5+ years of experience in Java development or Site Reliability Engineering

Strong knowledge of:

• Java

• Spring Boot

• REST APIs

• Microservices architecture

SRE & Operations

Experience managing production systems in high-availability environments

Strong understanding of:

• Monitoring and observability

• Incident management

• Root cause analysis

• Performance tuning

• Reliability engineering principles

Experience with:

• Prometheus

• Grafana

• ELK Stack or OpenSearch

• Splunk (nice to have)

Cloud & Containers

Hands-on experience with:

• Kubernetes

• Docker

Experience with cloud platforms:

• AWS

• Azure

• GCP

CI/CD & Automation

Jenkins

CI/CD pipeline development and maintenance

Infrastructure automation and scripting

Databases

Experience with:

• PostgreSQL

• MySQL

• Oracle

⭐ Nice to Have

• Experience with Terraform, Ansible, or Infrastructure as Code tools

• Experience supporting fintech or payment platforms

• Knowledge of Linux system administration

• Experience with distributed systems and event-driven architectures

• Open-source contributions

• Technical blogging or community involvement

FinTech & Payments Experience

• 2+ years of experience in fintech, payments, or financial services

• Knowledge of PCI DSS requirements

• Familiarity with payment processing systems and financial transaction platforms

• Understanding of security and compliance standards within regulated industries

What You'll Get

Opportunity to work on large-scale, business-critical systems

Modern cloud-native technology stack

Exposure to AI-powered engineering and automation tools

Hybrid work model (Gdańsk or Warsaw)

Collaborative engineering culture focused on innovation and reliability

Influence on platform architecture and operational excellence

Continuous learning and career development opportunities

Ready to build reliable, scalable systems that power the future of fintech?

Join us and help create highly available platforms where engineering excellence, automation, and innovation come first.