**Job Title:** Full Stack Senior Developer **Location:** Mexico City, MX (Onsite) **Full Stack Senior Developer** Lionbridge is looking for a technically strong and detail-driven Full Stack Senior Developer to support the development and enhancement of scalable digital applications. This role focuses on both front-end and back-end engineering, requiring proficiency in modern Java-based microservice architectures and responsive front-end frameworks. You’ll play a key role in delivering innovative solutions while collaborating closely with engineering, product, and QA teams. **What You Will Do** + Implement and maintain scalable full stack applications using modern Java and JavaScript frameworks + Build and integrate microservices, RESTful APIs, and backend components using Spring Boot and Java + Design and manage relational databases and data structures (SQL and JSON) + Develop responsive front-end features using React, Angular, or Next.js + Ensure clean, maintainable code with a focus on performance and security + Participate in code reviews, system design sessions, and agile sprint planning + Use GitLab and Docker for CI/CD workflows, containerization, and deployments + Collaborate with product managers and UX designers using tools like Jira and Confluence + Assist with troubleshooting, debugging, and support across the stack + Contribute to a positive team environment and share knowledge with peers **To Be Successful You Will Have** + 4–6 years of hands-on experience in full stack application/product development + 2–4 years of experience developing microservices, RESTful APIs, and system integrations + Strong backend focus (approx. 60%) including: + Java, Spring Boot, Caching, Kafka messaging, JPA, Logging + Database experience (relational and JSON) with SQL proficiency + Frontend development experience (approx. 40%) using: + React, Angular, or Next.js (minimum 2 years) + Familiarity with DevOps tooling: + GitLab, Docker, Gradle + Experience working with product and documentation tools like Jira and Confluence + Excellent debugging and problem-solving skills + 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. + Comfortable working in Agile development environments **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.