Senior Java Engineer

Senior Java Developer

Publicis Sapient is looking for a Senior Java Developer to lead the development of high-performance, scalable software applications. You will work with global agile teams, solving complex business problems and delivering cutting-edge solutions for our clients.

As a key technical contributor, you will be responsible for designing and developing Java-based Microservices, ensuring security, performance, and scalability. You will work with the latest Java advancements, modern authentication mechanisms, and cloud-native architectures.

Your Daily Duties and Impact:

• Lead the design and development of high-performance Java applications using Java 17/21 features and best practices.
• Optimize SQL queries and database interactions for performance improvements.
• Implement Spring Boot-based microservices, following microservices design patterns and best practices.
• Utilize Kafka for real-time messaging and event-driven architectures.
• Ensure security through Spring Security, authentication, and authorization mechanisms.
• Improve performance in microservices using interceptors, filters, and reactive programming.
• Leverage Java Streams API and multithreading for efficient data processing.
• Follow CI/CD best practices, ensuring smooth deployment and automation pipelines.
• Work with NoSQL databases like MongoDB, optimizing data storage and retrieval.
• Collaborate in agile teams, participate in code reviews, and mentor junior developers.

Responsibilities

Experience level: A minimum of 4 to 6 years

Job Level: Senior Associate Technology Level 1

Preferred Locations: This position is ONLY available for candidates based in Mexico, Colombia and Costa Rica.

Qualifications

Your Technical Skills and Experience:

• 4+ years of hands-on experience in Core Java development.
• Strong understanding of Java Collections, Multi-threading, ExecutorService, and Thread-safe collections.
• Expertise in Java 8 Streams API, with hands-on experience in functional programming.
• In-depth knowledge of Java 17/21 features and their use cases.
• Proficiency in microservices development using Spring Boot.
• Strong understanding of Kafka and event-driven architectures.
• Experience with SQL query optimization for high-performance applications.
• Familiarity with NoSQL databases like MongoDB.
• Hands-on experience in authentication, authorization, and Spring Security.
• Knowledge of interceptors, filters, and reactive programming (Spring WebFlux).
• Experience in CI/CD pipelines, containerization, and DevOps best practices.

Set Yourself Apart With:

• Experience in performance tuning and application profiling.
• Hands-on knowledge of design patterns for enterprise applications.
• Familiarity with API Gateways, OAuth, JWT, and microservices security.
• Experience with cloud platforms (AWS, Azure, GCP).
• Strong debugging and troubleshooting skills for large-scale applications.

Additional Information

What you will get:

• Full time/ Indefinite term contract
• Remote work environment
• Local Holidays, Vacations
• Private medical insurance
• E-Learning platforms (Udemy, Marcel)
• Exclusive discounts
• English lessons