Available to hire
Hi, I’m Leticia Xaxni, a Senior Java Full Stack Tech Lead with over 10 years of experience delivering enterprise applications using Java, Spring Boot, Angular, Node and AWS. I enjoy building scalable microservices, modernizing UI/UX, and collaborating with distributed teams in Agile environments to ship high-quality software.
I’m passionate about leveraging cloud-native architectures, automation, and AI-assisted development tools to boost productivity and improve security, reliability, and reporting accuracy.
Language
Javanese
Fluent
Work Experience
Senior Full Stack Developer | Technical Lead at Infosys Apple (Engagement)
February 1, 2023 - December 1, 2025Developed and modernized full-stack applications using Angular, Node.js, and Spring Boot, improving system performance, scalability, and security compliance. Upgraded Node.js services (v8 → v20) and Angular applications (v9 → v17), improving maintainability and performance for the QMon Application. Built and integrated RESTful APIs using Node.js and Java (Spring Boot) to support a microservices architecture. Implemented OAuth2 authentication and authorization, including secure API integrations and role-based access control, using credentials (Apple Connect). Led UI modernization using Angular and Apple Bricks components, improving usability and accessibility. Enhanced data visualization and automated data integrations, reducing manual QA effort and improving reporting accuracy. Built a Device Farm application from scratch using Angular 19, developing reusable UI components and integrating RESTful APIs with Spring Boot and MySQL to enable scalable end-to-end testing workflows. Enhan
Software Engineer at Kforce Inc (FISERV Client)
October 1, 2021 - October 1, 2022Developed a modern Angular/TypeScript frontend for a Loans System, consuming RESTful services to enhance user experience within a cloud-based architecture. Implemented SendGrid email templates, integrated with Spring Boot services to support automated and responsive communication workflows. Managed PostgreSQL database schema changes with Liquibase for version-controlled database evolution. Supported CI/CD pipelines using Git, Jira, Bitbucket, Jenkins, and Kubernetes for backend and frontend deployments on AWS. Collaborates with Dev and QA teams during testing phases, leveraging Postman for API validation and Sauce Labs for cross-device testing in Agile sprints.
Technology Analyst / Software Engineer at Infosys
January 1, 2015 - October 1, 2021Developed and supported enterprise applications using Java, Spring, and cloud-based infrastructure, collaborating with multiple engineering teams. Implemented performance optimizations that reduced manual processing and improved delivery timelines for trading statements. Troubleshot and resolved production issues using Spring, Hibernate, Unix, and Shell scripting, ensuring system stability and reliability. Designed and implemented disaster recovery and failover solutions for cloud environments to ensure business continuity. Performed scheduling and job automation tasks using Autosys. Projects included Goldman Sachs (Salt Lake City) and HSBC; led Agile transformation and cross-region collaboration.
Consultant at Deloitte Consulting Group
October 1, 2014 - July 1, 2015Contributed to a nationwide rollout of a mobile sales platform, supporting migration from legacy handheld systems to modern mobile applications. Acted as a liaison between business users, training teams, and technical teams (SAP and Kony), ensuring effective communication and issue resolution during deployment. Investigated and documented field-reported issues, coordinating with development teams to identify root causes and implement solutions. Supported Kony Enterprise Mobile Management (EMM) platform, managing application distribution, version control, and regional deployments.
Java Developer at LATBC
September 1, 2013 - October 1, 2014Developed and maintained extranet applications and a call center frontend for Movistar (telecommunications). Built scalable and maintainable applications using Java, Spring, Hibernate, Struts, and MVC architecture, with frontend components in JavaScript and HTML. Applied layered architecture and software design principles to support system performance and reliability.
Education
Computer Systems Engineer at Universidad Politecnica Tulancingo, Mexico
January 11, 2030 - March 26, 2026Qualifications
AWS Certified AI Practitioner
December 1, 2025 - March 26, 2026AWS Certified Solutions Architect Associate
January 1, 2022 - March 26, 2026ITIL
January 1, 2016 - March 26, 2026Scrum Master Certified
January 1, 2015 - March 26, 2026Kony Developer Bootcamp
January 1, 2014 - March 26, 2026Oracle Java Programmer 6 Certified
January 11, 2030 - March 26, 2026Industry Experience
Software & Internet, Financial Services, Professional Services, Media & Entertainment, Telecommunications
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