**Job Title:** Full Stack Lead Developer **Location:** Mexico City, MX (Onsite) **Full Stack Lead Developer** Lionbridge is seeking a highly experienced and motivated Full Stack Lead Developer to drive the design, development, and delivery of scalable web-based applications. This leadership role requires deep expertise in backend and frontend development, modern architecture principles, and cross-functional collaboration. You’ll work alongside engineering, product, and design teams to bring new features and technical improvements to life, while ensuring code quality, performance, and scalability. **What You Will Do** + Lead cross-functional full stack development projects at scale + Architect, design, and implement microservices, APIs, and integrations using modern frameworks + Guide dependency upgrades and security fixes (SAST scanning, Spring Boot/Node.js upgrades) + Design and optimize relational and non-relational databases using complex SQL and JSON structures + Drive backend engineering using Spring Boot, Java, JPA, Kafka messaging, and caching strategies + Build scalable frontend interfaces using React, Angular, or Next.js with collaboration from design teams + Ensure observability, containerization, and CI/CD pipelines using GitLab, Docker, Gradle, and Maven + Utilize Jira and Confluence to manage and document agile workflows and technical decisions + Prototype and deliver proof-of-concepts for new ideas and system improvements + Mentor junior engineers, lead technical discussions, and promote best coding practices + Debug, troubleshoot, and resolve complex system issues efficiently **To Be Successful You Will Have** + 8–10 years of experience leading large-scale cross-functional full stack projects + 5–8 years of hands-on application architecture and microservices experience + 5–8 years of expertise with databases (relational, key-value, JSON) and writing complex SQL queries + Proven experience leading major framework upgrades (e.g., Spring Boot, Node.js) and applying security remediations + Strong backend expertise in: + Spring Boot, Java, JPA, Kafka messaging, caching, and logging + Architectural fluency in: + Microservices, RESTful APIs, Schedulers, SSO, data streaming, Swagger, observability tools + CI/CD and deployment knowledge with: + GitLab, Docker, Gradle, Maven + 2+ years of frontend experience using: + React, Angular, or Next.js + Collaboration with design and product teams using: + Jira, Confluence + Critical thinker with a passion for continuous improvement + Skilled at prototyping and building proof-of-concepts + Strong debugging skills and ability to tackle complex technical challenges + Creative problem solver who considers multiple solutions + Proactive and future-oriented—always thinking ahead + Strong English communication skills, both written and verbal, with the ability to effectively collaborate with global teams and interface with North American leadership. + Demonstrated experience working cross-functionally across time zones to support knowledge transfer and drive alignment between regional and global stakeholders. **In Return You Can Expect** + A valuable foot in the door within a competitive industry, providing exposure to big-name clients and projects + A collaborative and agile working environment + Opportunities for growth and development within a global organization **About Us** Lionbridge partners with brands to break barriers and build bridges all over the world. For over 25 years, we have helped companies connect with their global customers and employees by delivering translation and localization solutions in 350+ languages. Through our world-class platform, we orchestrate a network of passionate experts across the globe who partner with brands to create culturally rich experiences. Relentless in our love of linguistics, we use the best of human and machine intelligence to forge understanding that resonates with our customers’ clients. Based in Waltham, Massachusetts, Lionbridge maintains solution centers in 24 countries. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. **Breaking Barriers. Building Bridges.** Lionbridge embraces equal employment opportunity and a diverse workforce, making hiring and employment decisions based on individual merits and talent without regard to any protected status. If you believe you need a reasonable accommodation in the online job application process for a posted position, please contact us at careers@lionbridge.com for assistance.