Senior Java Microservices Engineer - Spring Boot & Kafka

Avance Services; O’Fallon (MO); On-site; USD 120,000 - 150,000; Full time

Job summary

Avance Services is seeking an experienced Java Developer for onsite work in O’Fallon, MO. The role focuses on designing, developing, testing, and scaling enterprise‑grade microservices and web apps using Java 8, Spring Boot, Kafka, and AngularJS.

A multi‑stage interview process includes an onsite face‑to‑face round, with local candidates preferred. The ideal candidate has 9–12 years of professional software engineering experience, a strong Java ecosystem background, and a readiness to operate

Qualifications

• Bachelor’s degree in CS/SE/IT or related field.
• 9–12 years of professional enterprise Java development.
• Strong Java 8, OO design and multi‑threading skills.
• Deep experience with Spring Boot microservices.
• Hands‑on with real‑time streaming using Kafka.
• Frontend with AngularJS and RESTful APIs.

Responsibilities

• Design, build, test, and deploy enterprise microservices and web apps.
• Architect backend services, REST APIs, and distributed components.
• Implement streaming data pipelines using Kafka brokers/topics.
• Develop dynamic UIs with AngularJS and modern web tech.
• Collaborate with cross‑functional teams in Agile/Scrum sprints.
• Participate in code reviews and ensure high code quality.
• Troubleshoot defects across frontend, backend, and messaging layers.
• Adhere to security baselines, coding standards, and deadlines.

Skills

Java 8

Spring Boot

Kafka

AngularJS

REST APIs

Multithreading

OO design

Agile/Scrum

Education

Bachelor’s degree in Computer Science/Software Engineering/IT

Tools

Docker

Kubernetes

Jenkins

AWS

Job description

Avance Services is seeking an experienced Java Developer for onsite work in O’Fallon, MO. The role focuses on designing, developing, testing, and scaling enterprise‑grade microservices and web apps using Java 8, Spring Boot, Kafka, and AngularJS.

A multi‑stage interview process includes an onsite face‑to‑face round, with local candidates preferred. The ideal candidate has 9–12 years of professional software engineering experience, a strong Java ecosystem background, and a readiness to operate