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# Java Developer

- **Company:** Purplejack Technologies Llc
- **Location:** O'Fallon, MO, United States
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Program Optimization, Code Review, Continuous Delivery, Data Structures, Java Platform Enterprise Edition (J2EE), Java Persistence API, Spring Framework, Performance Tuning, Scrum Methodology, Software Engineering, Test-Driven Development (TDD), Multi-Agent Systems, Spring-boot, Low Latency, Apache Kafka, Restful APIs, Microservices
- **Published:** July 23, 2026
- **Apply:** https://www.dice.com/job-detail/09fd546b-60cd-43d9-86bb-bebe464fdab2

## About the Role

***Only qualified Software Development Engineer located near O'Fallon MO to be considered due to the position requiring a hybrid presence

Education: * Bachelor''s Degree or equivalent experience

Required Skills, Experience, & Abilities:

 * Excellent communication skills with the ability to communicate with all levels of management

 * Ability to build rapport and relationships

 * Someone understanding the concept of operations first, focusing on usability, operability of applications from the get-go.

 * Problem solver and solution-seeking approach

 * Hands on experience in building complex and highly scalable and performing systems

 * Solid understanding and hands-on experience in Java, J2EE, Spring, Spring Boot, Kafka, RESTful web services and JPA

 * You have experience in building AI assisted application, autonomous and semi-autonomous agents and agentic workflow systems that coordinate multi-step tasks.

 * Strong belief in continuous refactoring and adhering to S.O.L.I.D design principles.

 * Exposure to building cloud ready applications (microservices)

 * Practitioner of Test Driven Development

 * Exposure to Continuous Delivery and Integration

 * Team player

 * Agile Scrum experience * Agentic software development

 * Production support and platform optimization

## Description

The Software Development Engineer is a hands-on developer specializing in Java development with a particular focus producing micro services that then integrate with other services to enable high throughput, low latency financial transaction processing. Responsibilities:

 * Design components by translating product requirements, break down project into tasks and provide accurate estimates

 * Independently come up with different solutions, extensible Low level design. Write modular, extensible, readable and performant code

 * Choose the right Data Structures, tools and tech stacks and be able to do High Level Designing with guidance

 * Research new frameworks and technologies, assist with prototyping and proof-of-concepts, participate in code reviews

 * Collaborate with teams by contributing to the shared vision and working closely with cross-functional stakeholders

 * You will be responsible for the components you (and or your team) build and will support them till the time they are live in production


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