Senior Application Support Engineer – Backend Systems
We’re hiring a backend-focused Application Support Engineer for a multinational tech brand. If your happy place is debugging complex performance issues across APIs, databases, and infrastructure layers — this is for you.
Why this role?
You’ll be joining a Tier 3 support team dealing with high-stakes issues that impact thousands of enterprise users. This is deep, diagnostic work — ideal for engineers who love root cause analysis, infrastructure tuning, and handling mission-critical escalations.
You’ll be solving problems like:
* Slow system performance and degraded response times
* Application logic bugs across Java and scripting layers
* Database query optimisation and tuning
* Infrastructure bottlenecks in a cloud-native setup
What you bring:
* 3- 4+ years’ experience in application support, infrastructure, or DevOps
* Deep knowledge of Java, JavaScript, Shell/Python scripting
* MySQL or Oracle DB tuning, explain plans, and indexing
* Unix/Linux admin + strong networking fundamentals
* A calm head, clear comms, and a knack for untangling complex systems
What's in it for you:
* Annual Salary up to €49,000 doe
* 11 months contract - PAYE - weekly pay
* Dublin City based hybrid 3 days onsite
* Annual leave + bank holidays + laptop
Interviews are moving fast. Interested? Apply Now or send in your CV to Som for this or a similar Technical Support Engineering role.
Som | som@principlehr.com #J-18808-Ljbffr