L3 SupportEngineer - Remote Friendly (Poland)

Emporix is an AI-driven Autonomous Commerce Execution Platform that gives enterprises full control over how their commerce works. It orchestrates operations end-to-end—so companies can scale faster, respond smarter, and deliver better customer experiences. We are looking for a skilled L3 Support Engineer to join our team in Poland, with a solid full-stack background and a pragmatic approach to problem-solving. In this role, you’ll focus on maintaining and improving existing systems, troubleshooting complex issues, and ensuring platform stability rather than building new features. If you enjoy digging into systems, understanding how things work under the hood, and making them more reliable, we’d love to hear from you. You can work from our modern office in Gliwice or remotely from anywhere in Poland, with a visit to the office at least once per month to meet the team. What You’ll Be Doing System Maintenance & Support Investigate, troubleshoot, and resolve complex technical issues escalated from the support team (L3 level). Maintain and improve existing systems to ensure stability, reliability, and performance. Analyze root causes of incidents and implement long-term fixes. Full-Stack Debugging Work across backend (Java) and frontend (React) components to identify and resolve issues. Collaborate with engineering teams to address bugs and improve system behavior. Review logs, metrics, and system behavior to proactively detect potential problems. Incident Handling & Optimization Support production systems by handling advanced technical issues escalated beyond standard support scope. Continuously improve monitoring, alerting, and operational processes. Contribute to performance tuning and system optimization efforts. Collaboration & Documentation Work closely with product and engineering teams to ensure smooth system operation. Document known issues, solutions, and troubleshooting processes. Share knowledge with internal teams to improve overall support efficiency. About You You have 3+ years of experience in software engineering , with a focus on building or maintaining robust systems. You are comfortable with Java and familiar with modern frameworks like Spring Boot or Micronaut. You have a working knowledge of React or other frontend technologies, allowing you to debug across the whole stack. You are a natural problem-solver who enjoys "under the hood" work, digging into complex systems to find elegant solutions. You communicate effectively in both Polish and English (minimum B2 level). You are a self-starter who feels confident taking ownership of technical challenges and seeing them through. Bonus Points (What Else Might Help You Succeed?) You have experience with Cloud Integration , specifically using Google Cloud Platform (GCP) with Kubernetes, Cloud Storage, or Compute Engine. You care about Security and have used OWASP standards or tools like OWASP Dependency-Check to keep systems safe. You understand distributed systems or microservices architecture. You have previously worked in a support or maintenance role , though we are happy to teach you our specific process if you haven't. Why You’ll Love It Here Meaningful Impact - Your work will directly contribute to the stability and reliability of a cutting-edge commerce platform used by global enterprises. Hands-On Problem Solving - If you enjoy understanding complex systems and making them work better, this role gives you exactly that opportunity. Collaborative Culture - Work with experienced professionals in a supportive environment that values knowledge sharing and practical solutions. Flexible Work Setup - Enjoy a remote/hybrid work model that promotes flexibility and personal well-being while encouraging collaboration and meaningful team connections. Meet in our Gliwice office at least once a month . Come as you are - We are building an AI-driven future for commerce, and that requires a variety of perspectives. Emporix is an equal opportunity employer where your skills and pragmatic approach to problem-solving are what matter most. We encourage candidates of all genders and backgrounds to apply and help us make our platform even more reliable. Even if you don’t check every single box in this description, but you are passionate about problem-solving and reliability, we’d love to meet you.