ICONMA · O Fallon, Missouri, US

Software Engineer II

Open64.85 - 67.93

Open — ICONMA has a posting for this job. Posted 23 Jul 2026.

This posting

Posted 23 Jul 2026 · 64.85 - 67.93

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About this job

Our Client, a Credit Card company, is looking for a Software Engineer II for their O'Fallon, MO/Hybrid location.

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

Requirements:

  • 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

Why Should You Apply?

  • Health Benefits
  • Referral Program
  • Excellent growth and advancement opportunities

Read the full posting

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