Senior Java Developer (Kafka + AWS)

MAS Global Consulting•Plano, TX

3d•Onsite

About The Position

MAS Global Consulting is seeking a strong Senior Backend Developer to join their growing engineering team. This is a full-time, on-site role where the developer will design and build robust, scalable backend systems leveraging Java, Apache Kafka, and AWS. The role involves collaboration with cross-functional teams to deliver high-impact solutions for enterprise clients.

Requirements

Bachelor's degree in Computer Science, Software Engineering, or a related field.
8+ years of professional experience in backend software development.
Solid understanding of distributed systems, event-driven architecture, and messaging patterns.
Experience with version control systems (e.g., Git) and agile development methodologies.
Strong problem-solving skills and a track record of resolving complex production issues.
Excellent communication skills and ability to work effectively in cross-functional teams.
Strong, hands-on expertise in Java: Core language proficiency (Java 11+), OOP, design patterns, multithreading, and performance optimization.
Strong, hands-on expertise in Apache Kafka: Event-driven architecture, producer/consumer configuration, topic partitioning, schema registry, and Kafka Streams or similar.
Strong, hands-on expertise in Amazon Web Services (AWS): Cloud infrastructure design and operations, including EC2, ECS, Lambda, S3, RDS, SQS, and strong JVM internals and concurrency knowledge.

Nice To Haves

Spring Boot & Microservices: Experience building and deploying production-grade microservices using Spring Boot, Spring Cloud, and related frameworks (Eureka, API Gateway, Circuit Breaker).
Containerization & Orchestration: Familiarity with Docker and Kubernetes (EKS or similar).
Observability: Experience with monitoring and tracing tools.
CI/CD: Experience with Jenkins, GitHub Actions, or similar pipelines for automated testing and deployment.

Responsibilities

Design, develop, and maintain high-performance backend services and distributed systems using Java.
Architect and implement event-driven solutions using Apache Kafka, ensuring reliability, scalability, and low latency.
Deploy, configure, and manage cloud infrastructure and services on AWS (e.g., EC2, ECS, Lambda, S3, RDS, SQS).
Collaborate with stakeholders to gather requirements and translate them into scalable technical solutions.
Develop and optimize RESTful APIs and backend application functionalities for high performance and responsiveness.
Write and maintain automated tests (unit, integration, E2E) and ensure code quality through code reviews.
Apply security best practices, including authentication and authorization mechanisms, to protect backend systems.
Troubleshoot and resolve production issues, ensuring minimal downtime and operational stability.
Mentor junior and mid-level engineers, promoting engineering best practices and a culture of continuous improvement.
Collaborate with front-end, DevOps, and QA teams to ensure seamless integration and delivery of solutions.