Site Reliability Engineer / DevOps Engineer

Join a growing team (currently 14 engineers)

Location & Setup

• Hybrid work model: 2 days/week in Kraków office

• B2B contract

• Immediate start preferred

About the Role

We're looking for an experienced Site Reliability Engineer (SRE) with a strong DevOps background to join a growing team within the Traded Risk IT space in banking. This is a hands-on technical role focused on system reliability, infrastructure automation, CI/CD pipeline development, and support for critical Java- and Apache-based systems.

You’ll work closely with engineering and business teams to ensure system stability, scalability, and high availability in a fast-paced, production-grade environment.

Key Responsibilities

• Monitor system health and respond to incidents to ensure uptime and reliability

• Build and maintain CI/CD pipelines (Jenkins + Groovy)

• Automate infrastructure deployment and configuration using Ansible

• Troubleshoot and support Java applications and Apache Spark

• Analyse system performance and implement capacity planning strategies

• Collaborate with cross-functional teams to implement reliability requirements

• Apply Infrastructure as Code (IaC) best practices (Terraform, Helm)

• Contribute to ongoing improvements in observability and performance

Must-Have Skills

• 5+ years in a DevOps or SRE role

• Strong experience with Java and Apache Spark environments

• Hands-on with CI/CD using Jenkins and Groovy

• Ansible for config management and automation

• Linux systems administration and performance tuning

• Scripting in Python and Bash

• Cloud experience (GCP preferred, others considered)

• Containerization knowledge (Docker, Kubernetes nice to have)

• Familiarity with basic networking protocols (TCP, UDP, HTTP)

• Monitoring tools: Prometheus, Grafana, Loki

• Experience across the full software development lifecycle

Nice to Have

• Background in Banking / Financial Services

• Experience in Traded Risk or Financial Risk Management

• Knowledge of ETL/OLAP tools and techniques

Tech Stack

• CI/CD: Jenkins, Groovy, Git

• Automation: Ansible, Terraform, Helm

• Scripting: Python, Bash

• Monitoring: Prometheus, Grafana, Loki

• Cloud: GCP (preferred), others acceptable

• Containers: Docker, Kubernetes

• Databases: PostgreSQL, columnar DBs