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Java J2EE Developer

Alliance Sourcing NetworkO'Fallon, MO🇺🇸United StatesPosted 23 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

W2 - Client does not sponsor

Only qualified Software Engineers located near O Fallon MO to be considered due to the position requiring an hybrid presence

Role:
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.
What you will do:
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

All About You:
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

Skills

Microservices
Spring
Spring Boot
Scrum
Agile
Java
Kafka

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