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Software Development, Biometrics, Artificial Intelligence, Computer & Network Security

Java Backend/Software Engineer

Ohio, United StatesHybridContractPosted 2 months agoVisa sponsorship available

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Role summary

We are seeking a Java Backend/Software Engineer for a long-term W2 contract-to-hire role in Columbus, OH, offering a hybrid work model. This position is crucial for a large-scale Check Modernization initiative, migrating legacy mainframe systems to cloud-native microservices. You will join a Scrum team responsible for developing and maintaining scalable backend microservices using Java and Spring Boot, working with event-driven architectures and high-volume processing systems. The role requires 6+ years of Java and Spring Boot/Microservices experience, 3+ years of cloud experience (AWS, Azure, or GCP), and strong skills in REST APIs and backend system design. Experience with messaging systems like Kafka and containerization is preferred.

**Java Backend/Software Engineer
Location:**
Columbus, OH (Onsite/Hybrid)
Duration:
Long-term W2 Contract / Contract-to-Hire
Interview:
1 Round (Video) + Coding Assessment (HackerRank/Glider)
Project Overview
We are working on a large-scale
Check Modernization initiative
, processing over
5 million checks nightly
totaling billions of dollars. This program focuses on
migrating legacy mainframe systems to cloud-native microservices architecture
.The environment includes consolidation of
27 legacy applications into 4 modern platforms
over a multi-year roadmap. You will be part of a dedicated Scrum team working on one of these core applications.
Key Responsibilities

Design, develop, and maintain scalable backend microservices using Java and Spring Boot
Contribute to modernization efforts from mainframe to cloud-based systems
Build and optimize high-volume batch and real-time processing systems
Work with event-driven architecture and messaging systems (Kafka/JMS)
Collaborate within Agile Scrum teams across US and offshore teams
Participate in code reviews, design discussions, and production support (potential rotation)

Required Skills

6+ years of experience in Java development
6+ years of hands-on experience with Spring Boot / Microservices
3+ years of cloud experience (AWS, Azure, or GCP)
Strong experience with REST APIs and backend system design
Experience working in Agile/Scrum environments
Must be able to complete and explain a coding assessment (HackerRank/Glider)

Preferred / Nice-to-Have Skills

Experience with Apache Kafka or other messaging systems (JMS, MQ, etc.)
Hands-on experience with Kubernetes / containerization
Exposure to high-volume batch processing systems
Prior experience with modernization or legacy system migration projects
Ability to convert to full-time without sponsorship (preferred)

What We’re Looking For

Strong hands-on developer (this is 100% coding role)
Ability to clearly explain past projects and technical decisions
Experience working on scalable, distributed systems
Candidates with genuine, verifiable experience (no surface-level exposure)

Team Structure

3 Scrum teams (2 in Columbus, 1 in India)
You will be aligned to one application and one Scrum team
Highly collaborative and engineering-focused environment

Additional Notes

Candidates must be technically vetted before submission
A coding assessment score is required as part of the submission process

Skills: java,scrum,assessment,cloud,design,microservices,modernization,processing,one,teams,spring boot / microservices,aws,gcp,azure,rest api

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