Senior Java Full Stack Developer | Desarrollador Full Stack Java Senior

Description

**Location: CDMX (Hybrid – 3 days per week at Infosys Office)** We are seeking a highly experienced and skilled **Senior Java Full Stack Developer** to design, develop, and maintain robust and scalable enterprise\-level applications. This role requires deep expertise in **Java, Spring Boot, and React**, strong communication skills, solid engineering practices, and frequent client interaction. **Key Responsibilities** * Develop **high\-quality, maintainable code** for both new features and existing systems using **Java, Spring Boot, React**, and related technologies. * Lead the **design and development of complex features and components** across the application stack. * Translate **functional product requirements** into high\-quality backend and front\-end implementations. * Write and maintain **comprehensive unit tests**, and support functional, integration, contract testing, and **TDD practices**. * Apply **SOLID principles, design patterns, and scalable architecture techniques** to ensure high\-quality solutions. * Conduct **peer and group code reviews** and mentor junior developers to uphold best practices. * Engage proactively with **clients** to clarify requirements and provide updates. * Collaborate with **cross\-functional teams** to define requirements, scope, and delivery timelines. * Troubleshoot, debug, and optimize applications for **performance, scalability, and reliability**. * Work with **large\-scale enterprise systems, complex integrations, and distributed transactions** when required. * Maintain strong **stakeholder relationships** through clear communication and high emotional intelligence. **Required Skills and Experience** * Strong **communication skills**, both verbal and written, with proven collaboration and organizational abilities. * **5–8\+ years** of professional experience with a strong focus on full\-stack development. * Deep expertise in **Java, Spring Boot, J2EE, and microservices architectures**. * Hands\-on experience with **Spring MVC, Spring Security, Spring AOP/Aspects, JPA, Hibernate**. * Proven proficiency with **React, JavaScript (ES6\+), TypeScript, HTML5, CSS3**, and modern state management libraries (**Redux, Context API**). * Experience with **React Hooks, component\-based architecture, and front\-end performance optimization**. * Experience building and consuming **RESTful APIs and SOAP Web Services**. * Strong experience with **JSON/XML, distributed transactions, and integration patterns**. * Experience with **SQL relational databases** such as SQL Server or Oracle DB. * Familiarity with legacy technologies: **JSF, AngularJS, jQuery, JBoss, Log4j, Eclipse STS**. * Hands\-on experience with at least one major cloud platform: **AWS, Azure, or GCP**. * Strong experience writing automated tests using **JUnit, TestNG, Mockito**, along with front\-end testing frameworks such as **Jest, React Testing Library**. * Strong understanding of **software engineering best practices** including CI/CD, code reviews, maintainable design, and Agile delivery. * Ability to write **clean, maintainable Java and SQL code** across diverse technical scenarios. * Experience with **large\-scale application development** and recent hands\-on coding. * **Excellent English communication skills**. * Strong **analytical and problem\-solving skills**. * Ability to quickly **learn and adapt to new technologies**. * Bachelor’s degree in **Computer Science, IT, Software Engineering**, or related field. **Nice to Have Skills** * Experience with **Kafka or other event streaming platforms**. * Experience with **non\-relational databases**. * Familiarity with **CI/CD pipelines** (Jenkins, GitLab CI, Azure DevOps). * Experience with **Docker and Kubernetes**. * Knowledge of **asynchronous programming and message queues**. * Knowledge of **secrets management tools** (AWS Secrets Manager, Azure Key Vault, GCP Secret Manager, HashiCorp Vault). **Desired Skills and Qualities** * A proactive, **ownership\-driven, and results\-oriented mindset**. * High **emotional intelligence** enabling effective collaboration. * Openness to **giving and receiving feedback constructively**. * Comfortable with **frequent client interaction**. * Ability to work **independently and as part of a team**. * Passion for **continuous learning** and keeping up with both modern and legacy enterprise technologies.