Principal Engineer

Principal Java Engineer Enterprise Java Modernization Mexico Fully Remote Key Highlights Lead large-scale modernization of mission-critical enterprise Java platforms ☁️ Drive cloud migration initiatives (AWS / Azure) for legacy systems Address security, compliance, and architectural risks in highly regulated environments ️ Own long-term technical strategy for complex, tightly coupled enterprise ecosystems Modernize legacy frameworks (including Apache Struts) into scalable, modern architectures Operate as a senior technical leader across Spanish- and English-speaking stakeholders Role Overview We are seeking a Principal Java Engineer to lead the modernization and strategic evolution of enterprise-scale, mission-critical systems. This role is ideal for a senior technical leader who thrives in complex environments, has deep expertise in Enterprise Java , and brings hands-on experience modernizing legacy frameworks into secure, cloud-ready platforms. You’ll play a pivotal role in guiding architectural decisions, mitigating security risks, and shaping the future state of core platforms — while mentoring teams and collaborating closely with business and technical leaders across regions. This is a fully remote role based in Mexico , supporting a high-impact, long-term modernization initiative. Key Responsibilities Serve as the technical lead for enterprise Java applications, including systems built on legacy frameworks such as Apache Struts Drive modernization initiatives to migrate legacy platforms to secure, scalable cloud-based architectures Partner with stakeholders to define long-term technical strategy for upgrading outdated systems and resolving security vulnerabilities Lead the design and implementation of enterprise integration patterns across complex ecosystems Guide integration modernization efforts, including transitioning from batch-oriented workflows to more real-time architectures Provide mentorship and technical leadership to engineering teams, promoting best practices in architecture, security, and maintainability Collaborate effectively with cross-functional teams in both Spanish- and English-speaking environments Ensure systems meet regulatory, operational, and compliance requirements within highly regulated industries Required Qualifications 10 years of professional software engineering experience, with significant depth in Enterprise Java Strong hands-on expertise with legacy Java frameworks, particularly Apache Struts Proven experience migrating legacy systems to modern cloud platforms (AWS and/or Azure) Demonstrated success modernizing applications to address security risks and outdated infrastructure Strong architectural leadership experience within complex, tightly coupled enterprise environments Excellent communication and collaboration skills Full professional fluency in Spanish and English , with the ability to clearly communicate both technical and business concepts Preferred Qualifications Experience working within regulated industries such as transportation, logistics, or aviation Familiarity with compliance standards and operational constraints in enterprise environments Experience integrating or modernizing systems within SAP ecosystems Strong working knowledge of Oracle databases and enterprise tooling Background in large-scale enterprise architecture and system integration Highly valued : Experience with legacy IBM systems, including AS/400 and RPG Why Join Lead a high-visibility, enterprise-wide modernization initiative Own architectural decisions with real long-term impact Work in a collaborative, engineering-driven environment Fully remote role with flexibility and autonomy Competitive compensation and benefits