Lead Java Developer

Job Title: Senior Java Lead – Retail (POS Experience Preferred)

Location: LATAM (Mexico / Brazil – Remote)

Type: Full-Time / Contract

Experience: 12+ Years

Role Overview

We are seeking a Senior Java Lead with strong hands-on backend development experience and technical ownership. The ideal candidate will have deep expertise in Java, Spring Boot, Microservices, and distributed systems , along with mandatory Retail domain experience .

POS experience is a plus (not mandatory) —this is a development-focused leadership role , not production support-heavy.

Key Responsibilities

• Design, develop, and own scalable backend services using Java, Spring Boot, Microservices
• Lead hands-on coding, code reviews, and technical mentoring
• Troubleshoot complex production issues and perform deep root-cause analysis
• Drive architectural decisions and ensure system scalability and resilience
• Implement fault-tolerant systems (circuit breakers, retries, etc.)
• Work with Kafka / event-driven architecture
• Build and maintain REST APIs and system integrations
• Support framework and JDK upgrades
• Provide L3 support with focus on long-term fixes
• Collaborate with cross-functional Agile teams (onshore/offshore)
• Use monitoring tools like Splunk, Grafana for system diagnostics

Must-Have Skills

• 12+ years of Java backend development
• Strong expertise in Spring, Spring Boot, Microservices
• Experience with Kafka or similar messaging systems
• Strong debugging and problem-solving skills
• Solid understanding of system design & distributed architecture
• Experience with REST APIs, Git, CI/CD pipelines

Nice to Have (Retail / POS)

• Experience in Retail domain (Mandatory)
• Exposure to POS systems (XStore, ORPOS, JMC – plus)
• Understanding of store systems vs central architecture