Java Developer

Java Developer – RESTful APIs / Spring Boot

Job Details

• Location: Buenos Aires, Argentina
• Work Arrangement: Hybrid – 3 Days Onsite
• Experience: 5–8 Years (Level 1) / 10+ Years (Level 2)
• Engagement: Contract (Hourly Based) 40 Hours a Week
• Language: English fluency is mandatory; local language fluency is an added advantage.

Top Required Skills

• Java / J2EE / Core Java
• Spring Boot
• RESTful APIs / REST Web Services
• Microservices Architecture
• SQL / Relational & NoSQL Databases
• Hibernate / JPA
• Apache Kafka
• Git / Maven
• Jenkins / CI/CD Pipelines
• Cloud Platforms – AWS / Azure
• Docker / Kubernetes
• Agile / Scrum
• Technical Leadership & Team Mentoring

Role Summary

The Technical Developer will oversee the architecture, design, and development of Java/J2EE applications, focusing on RESTful services and the Spring Boot framework. The role involves leading developers, ensuring technical excellence, and delivering scalable, secure, and high-quality solutions aligned with business requirements.

Key Responsibilities

• Lead Java/J2EE developers in designing, developing, and implementing RESTful web services using Spring Boot.
• Develop and maintain scalable Java applications and microservices.
• Define coding, testing, and deployment best practices to ensure performance, scalability, and security.
• Collaborate with business analysts, product owners, and cross-functional teams to translate requirements into technical solutions.
• Make architectural decisions and provide technical guidance.
• Conduct code reviews, troubleshoot technical issues, and mentor junior developers.
• Perform unit testing, debugging, and application performance optimization.
• Work with relational and NoSQL databases, including query optimization and data integration.
• Support CI/CD pipelines, deployments, and production issue resolution in cloud or on-premises environments.
• Participate in Agile/Scrum ceremonies and continuous improvement initiatives.
• Stay updated on emerging technologies and recommend improvements to application architecture, security, and performance.

Required Experience & Skills

• Level 1: 5–8 years of experience.
• Level 2: 10+ years of experience.
• Strong expertise in Java/J2EE, Core Java, Spring Boot, and RESTful web services.
• Proven experience designing and implementing scalable and secure Java applications.
• In-depth knowledge of microservices architecture.
• Experience with SQL, Hibernate/JPA, and relational or NoSQL databases.
• Familiarity with Kafka, Git, Maven, Jenkins, and CI/CD practices.
• Knowledge of cloud platforms such as AWS or Azure.
• Familiarity with containerization technologies such as Docker and Kubernetes.
• Understanding of Agile development methodologies.
• Strong problem-solving, communication, and technical leadership skills.
• English fluency is mandatory.

Preferred Skills / Certifications

• Local language fluency.
• Relevant certifications in Java, Spring Boot, or cloud technologies.