Senior Java & API Middleware Lead — Remote

Constellation West; Idaho; On-site; USD 140,000 - 190,000; Full time

Job summary

Constellation West is seeking a Senior Application Developer to lead the design, development, modernization, and support of enterprise middleware and API integration services for the Internal Revenue Service (IRS). The role requires strong Java, Spring Boot, REST/SOAP, and IBM WebMethods expertise, with OpenShift or Kubernetes and cloud-native architectures.

The position is full-time and remote in the US, with occasional onsite meetings or deployments as needed.

Qualifications

• 10+ years of software engineering experience.
• Proficiency in Java and Spring Boot.
• Experience designing REST and SOAP web services.
• Experience with IBM WebMethods and container platforms.
• Bachelor's degree or equivalent experience.

Responsibilities

• Lead the design, development, modernization, and support of enterprise middleware and API integration services for IRS.
• Provide technical leadership for enterprise integration solutions using Java, IBM WebMethods, and cloud-native architectures.
• Collaborate across teams to deliver secure, scalable integration solutions.

Skills

Java

Spring Boot

RESTful services

SOAP

IBM WebMethods

OpenShift/Kubernetes

Application modernization

Production support

10+ years of experience

Education

Bachelor's degree in Computer Science, Information Systems, Engineering, or related field

Tools

IBM WebMethods

OpenShift/Kubernetes

Job description

Constellation West is seeking a Senior Application Developer to lead the design, development, modernization, and support of enterprise middleware and API integration services for the Internal Revenue Service (IRS). The role requires strong Java, Spring Boot, REST/SOAP, and IBM WebMethods expertise, with OpenShift or Kubernetes and cloud-native architectures.

The position is full-time and remote in the US, with occasional onsite meetings or deployments as needed.