Haystack
← Back to Jobs
Technology

Java Developer

Purplejack Technologies LLCO'Fallon, MO🇺🇸United StatesPosted 23 Jul 2026

Why This Role Stands Out

This hybrid Java Developer role at Purplejack Technologies LLC offers a fantastic opportunity to build scalable microservices using cutting-edge technologies like Spring Boot and Kafka within the dynamic payments industry. You'll thrive here if you're a mid-senior developer eager to contribute to innovative, cloud-ready solutions and collaborate within an Agile, CI/CD environment. Apply now to advance your skills and make a significant impact!

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Overview

  • Title: Java Developer
  • Location: O''Fallon, MO
  • Work Mode: Hybrid
  • Employment Type: Contract (13 Months)
  • Education: Bachelor''s Degree or equivalent experience
  • Industry: Payments
  • Key Skills: Java, Spring Boot, Kafka, Microservices, RESTful APIs, J2EE, CI/CD, Agile

Role Summary

This role focuses on designing, developing, and maintaining scalable Java-based microservices for high-throughput enterprise applications. You will work with cross-functional teams to build cloud-ready solutions, develop RESTful services, integrate Kafka messaging, and support production systems while following Agile and CI/CD best practices.

Core Skills Required

  • Java & J2EE
  • Spring Framework & Spring Boot
  • Kafka
  • RESTful Web Services
  • Microservices Architecture
  • JPA/Hibernate
  • Agile Scrum
  • CI/CD Tools
  • Test-Driven Development (TDD)
  • Production Support

Preferred Qualifications

  • Experience building AI-assisted applications
  • Exposure to autonomous or agentic workflow systems
  • Strong understanding of SOLID design principles
  • Experience with cloud-ready application development
  • Financial or Payments domain experience

Skills

Microservices
Spring
Spring Boot
Scrum
TDD
Agile
Hibernate
Java
Kafka

Similar jobs

Browse related jobs

Apply now