Java Backend Engineer

Role Overview

As a Java Backend Engineer, you will play a key role in supporting, maintaining, and improving backend applications and services. This role requires strong troubleshooting skills, the ability to analyze code and logs, and a solid understanding of APIs, integrations, and incident management. You will work closely with clients, project teams, and engineering teams to resolve issues, improve application performance, and deliver a high standard of support and reliability.

Key Responsibilities

• Collaborate with project leaders to create and maintain a knowledge base documentation for applications, ensuring the latest information is always accessible
• Identify opportunities to improve support processes and reduce avoidable support tickets
• Recommend enhancements to applications, workflows, and business logic based on user needs and recurring issues
• Read through code and system logs to understand application behavior and identify root causes of issues
• Analyze configurations, application logs, and system log files to troubleshoot and resolve technical problems
• Perform data and log analysis to investigate user issues, system errors, and performance concerns
• Work closely with development and engineering teams to resolve complex technical issues when required
• Track incidents and issues through to closure in a timely and structured manner
• Triage and prioritize incidents effectively, especially for L1/L2 support scenarios
• Provide accurate daily handovers of business-critical issues to global peers and teams across locations
• Deliver a high level of customer service through proactive communication and timely follow-ups
• Maintain a positive, collaborative, and solution-oriented approach across all interactions

What We’re Looking For

• Strong understanding of Java backend systems and application support fundamentals
• Knowledge of Public APIs and RESTful APIs
• Familiarity with authentication and authorization mechanisms
• Understanding of file transfer methods and system integrations
• Working knowledge of SOAP, REST, Remote Procedure Calls (RPC), and DNS
• Ability to troubleshoot API call failures, interpret error codes, and work with URL/API endpoints
• Experience in incident management, including L1/L2 support, issue triaging, and prioritization
• Strong analytical and problem-solving skills with the ability to work through issues logically and independently
• Comfortable reading code and logs to understand system behavior and diagnose problems
• Excellent written and verbal communication skills, with the ability to work directly with clients
• Ability to work collaboratively with distributed teams and provide clear handovers across time zones
• Strong ownership mindset and a customer-first approach

About Nineleaps

Nineleaps is a technology company specializing in digital engineering, data, and AI. We work with businesses across industries to solve complex challenges through modern technology and create an environment where people can learn fast, take ownership, and build meaningful careers while doing it.