Senior Java Backend Engineer for High-Scale Systems

QvalFocus Inc.; Missouri; On-site; USD 100,000 - 130,000; Full time

Job summary

A technology solutions company in Missouri is seeking a highly skilled Senior Software Engineer (Java) to join an elite team. In this role, you will design, develop, and maintain scalable backend systems, actively contribute to solving complex technical challenges, and collaborate on evolving system architecture. Candidates should have strong experience with Java, Kafka, and performance optimization. This exciting opportunity offers the chance to work on high-scale systems that are mission-critical and require expertise in reliability engineering.

Qualifications

• Strong hands-on experience with Java 8 / 11.
• Deep understanding of Kafka.
• Experience with database performance optimization.

Responsibilities

• Design, develop, and maintain scalable, high-performance backend systems using Java.
• Collaborate with senior engineers to evolve distributed system architecture.
• Improve system performance and resilience in high-TPS environments.

Skills

Java 8 / 11

Asynchronous programming

Kafka

Reliability engineering

Performance tuning

Tools

MongoDB

Oracle

Jenkins

SonarQube

Drools

Job description

A technology solutions company in Missouri is seeking a highly skilled Senior Software Engineer (Java) to join an elite team. In this role, you will design, develop, and maintain scalable backend systems, actively contribute to solving complex technical challenges, and collaborate on evolving system architecture. Candidates should have strong experience with Java, Kafka, and performance optimization. This exciting opportunity offers the chance to work on high-scale systems that are mission-critical and require expertise in reliability engineering.