Profile: Java Back-End Developer. Education: Bachelor’s degree in Computer Systems Engineering or related field. Years of Experience: +3 years. Work: On-site. Near Cuatro Caminos metro station. KNOWLEDGE/SKILLS: Programming Languages: Java, SQL, JavaScript, TypeScript, Angular. Database Engines: MySQL. Application Servers: Preferred: Payara, GlassFish. Tools: · Visual Studio / VS Code. · IntelliJ / STS / Eclipse / NetBeans. · SQL Server Management Studio. · DBeaver. · Postman. Frameworks: · Spring Boot. · Node.js. · Hibernate / JPA. Responsibilities: • Work using Scrum and hybrid methodologies. • Report to the Technical Lead. • Analyze diagrams, integrations, and complex workflows. • Implement workflow engines, validators, and business rules. • Connect to external systems (federal agencies, security APIs). • Deploy developments into QA / UAT / PROD environments. • Generate UAT test cases. • Perform deployments to QA / UAT / PROD environments. • Optimize and resolve critical database issues. • Create idempotent scripts, automate SQL processes, backups, and restorations. • Perform advanced debugging of complex workflows: o Version incompatibilities. o Sequence errors. o File corruption. o Failures with third-party libraries. o Local environment and database configurations. * Implement security measures, validations, structured logging, and auditing. * Produce technical documentation, functional analysis, and requirements gathering. Skills: • Assertive communication. • Strong analytical ability. • Proactive attitude. • Organized. • Frustration tolerance. • Results-oriented. • Flexible availability during weekdays and weekends. SEND YOUR RESUME WITH SALARY EXPECTATIONS TO valeria.gonzalez@bykon.com.mx Job Type: Full-time. Salary: $30,000.00 – $40,000.00 per month. Work Location: On-site employment.