Java Software Engineer

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We´re hiring a

Senior Java Backend Engineer

Location: Remote / Mexico

Job Type: Full-Time

Experience Level: Senior

About the Role

We are seeking a Senior Java Backend Engineer with strong expertise in Java, Spring/Spring Boot, scalable API development, database engineering, and SQL performance optimization .

The ideal candidate is a hands-on engineer who combines strong software engineering fundamentals with excellent analytical and problem-solving skills. You will design and develop reliable, production-ready backend solutions while working with data-intensive applications and distributed systems.

Experience with Big Data and Kafka is highly desirable.

Key Responsibilities

• Design, develop, and maintain scalable backend applications and APIs using Java and Spring/Spring Boot.
• Apply strong Object-Oriented Design (OOD) principles and established software design patterns .
• Design and optimize relational databases, SQL queries, stored procedures, and data-access solutions .
• Analyze and resolve complex database and application performance issues .
• Develop solutions for data-intensive applications and high-volume workloads .
• Participate in requirements analysis and validate technical requirements before implementation.
• Write clean, maintainable, scalable, and production-ready code.
• Develop and maintain automated tests as an integral part of the software development lifecycle.
• Conduct and participate in code reviews , ensuring adherence to engineering standards and best practices.
• Perform thorough pre-release verification to ensure software quality and production readiness.
• Troubleshoot complex production issues and proactively identify potential problems.
• Collaborate effectively with other engineers, technical teams, and stakeholders while working with minimal supervision.

Required Qualifications

• Advanced experience with Java and backend software development.
• Strong expertise in Spring / Spring Boot .
• Proven experience designing and developing scalable REST APIs .
• Strong understanding of Object-Oriented Design (OOD) principles and software design patterns .
• Deep knowledge of database design, SQL, query optimization, and performance tuning .
• Strong analytical thinking and ability to solve complex, data-intensive technical problems .
• Experience developing and supporting production-ready software .
• Strong understanding of software testing and automated testing practices .
• Experience with code reviews, requirements validation, debugging, and pre-release verification .
• Ability to work independently, take ownership, and operate effectively with minimal oversight.

Preferred Qualifications

• Experience with Big Data technologies .
• Experience with Apache Kafka and event-driven or distributed architectures.
• Experience working with high-volume data processing or distributed systems.
• Experience optimizing applications and databases for scalability and performance.

What We're Looking For We are looking for a senior engineer who is:

• Proactive and self-motivated
• Strong in technical ownership and accountability
• Detail-oriented with a quality-first mindset
• Comfortable working independently
• Focused on building reliable, production-ready software
• Disciplined about automated testing, code reviews, and validation
• Strong at breaking down and solving complex technical and data-related problems

Quality is an integral part of development in this role—not a separate phase after coding.