Senior Java Microservices Engineer (Hybrid)

Amtex Enterprises Inc; O’Fallon (MO); Hybrid; USD 68,880 - 82,656; Full time

Job summary

Amtex Enterprises Inc is seeking a Software Development Engineer II for a hybrid role in O’Fallon, Missouri. This hands-on Java developer position focuses on creating microservices that integrate with other services to enable high-throughput, low-latency financial transaction processing.

You will design components, break tasks, and provide accurate estimates while delivering performant, extensible code. The role requires collaboration across teams and staying current with frameworks and testing

Qualifications

• Strong Java experience with J2EE and Spring Boot.
• Experience designing and building microservices for high-throughput, low-latency systems.
• Ability to work across teams to deliver scalable, reliable software.

Responsibilities

• Design components from product requirements, break work into tasks, provide estimates.
• Write modular, readable, and performant code with extensible low-level design.
• Select data structures, tools, and stacks; perform high-level design with guidance.
• Research new frameworks, prototype concepts, and participate in code reviews.
• Collaborate with cross-functional teams to align on shared vision.
• Own and support the components you build in production.

Skills

Java

Kafka-based microservices

Agentic development

Tools

Spring Boot

Kafka

JPA

Job description

Amtex Enterprises Inc is seeking a Software Development Engineer II for a hybrid role in O’Fallon, Missouri. This hands-on Java developer position focuses on creating microservices that integrate with other services to enable high-throughput, low-latency financial transaction processing.

You will design components, break tasks, and provide accurate estimates while delivering performant, extensible code. The role requires collaboration across teams and staying current with frameworks and testing