Mainframe Developer

ROLE: - Middleware Engineer LOCATION: - Phoenix, AZ / Charlotte, NC (Onsite - Hybrid) DURATION: - Long term contract Summary We are seeking a strong engineer for our Middleware/API engineering team. This team is responsible for building the Customer facing Omni Channel Services. Principal duties and responsibilities: Responsible for the application architecture, work with different teams, engineers and third parties as necessary Writing code and unit tests, automation, code reviews and testing Applying design patterns in developing scalable and highly performant application/features Identify exciting opportunities for adopting new technologies to solve existing needs and predicting future challenges Deploying to production and dev ops Work with product managers to prioritize features for ongoing sprints and managing a list of technical requirements based on industry trends, new technologies, known defects, and issues Manage your own time, and work well both independently and as part of a team Quickly generate and update proof of concepts for testing and team feedback Embrace emerging standards while promoting best practices Experience with banking domain is a plus but not a necessity Job Specifications: Bachelor's degree in computer sciences or equivalent 4 years of Java/ functional programming experience is a must. 1 year of experience with Cloud stack, Microsoft Azure etc. is a must 4 years of experience in using Version Control tools like Git and Tools like Jira is a must 1 year of experience in Kotlin 1 year of experience building GraphQL APIs 4 years of expertise in building RESTful APIs Expertise in objected oriented analysis and design across a variety of platforms Thorough understanding of JSON, Web Service technologies, and data structure fundamentals Good understanding of design concepts and design patterns Demonstrated experience in Agile development, application design, software development, and testing Aptitude for learning and applying programming concepts Ability to effectively communicate with stakeholders, product, and experience owners Experience with CICD tools and dev ops

Created: 2026-03-04