Senior Full Stack Engineer (Java Heavy) ATM Modernization

Job Title: Senior Full Stack Engineer (Java Heavy) ATM Modernization

Location: Columbus, OH (Onsite 5 days/week)
Employment Type: Full-time
Headcount: 7 roles (RTH)
Conversion Grade: 602 (based on skill level & performance)
Interview Process: 2 rounds Hiring Manager + Technical (may include coding test; preferred in-person)
Local candidates strongly preferred- Try for local, if you are not able to find then go for non locals

About the Team

We are building a brand-new engineering team focused on developing a key component in our ATM modernization journey. This team will work on highperformance, cloudbased systems supporting mission-critical financial platforms. We are seeking strong backend engineers who can work in a fast-paced environment and solve complex technical challenges.

Role Overview

We are looking for highly skilled Full Stack Engineers with strong backend expertise (75% backend / 25% frontend) . The ideal candidate will be self-driven, capable of tackling complex problems, and providing technical leadership within the team.

Must-Have Skills

• 5+ years of hands-on experience with Java/J2EE
• Strong Web Services development experience
• 1+ years of hands-on experience in AWS/Cloud
• 1+ years experience with Kafka or similar event-streaming platforms
• 5+ years experience with SQL/NoSQL/MongoDB
• Experience with Kubernetes & Docker
• Experience building microservices using Spring Boot
• Strong problem-solving and leadership abilities

Nice-to-Have Skills

• Grafana
• JavaScript
• Unix Shell Scripting
• Splunk, Dynatrace

Key Responsibilities

• Design, develop, and implement scalable backend services for ATM modernization.
• Build and maintain cloud-native applications with microservices architecture.
• Develop event-driven systems leveraging Kafka/Pub-Sub patterns.
• Contribute to database design and optimization across SQL and NoSQL platforms.
• Work within containerized environments using Docker/Kubernetes .
• Participate in code reviews, technical design discussions, and architectural decisions.
• Troubleshoot production issues using tools like Splunk and performance monitoring platforms.
• Collaborate in cross-functional teams and mentor junior engineers.

Required Qualifications

• Bachelor s Degree in Computer Science, Engineering, or equivalent experience
• Advanced knowledge of application, data, and infrastructure architecture
• Strong communication skills with ability to interface with senior leadership
• Deep understanding of:
  • Object-oriented and multithreaded design principles
  • J2EE design patterns
  • Unit, integration, and performance testing (JUnit, Blazemeter)
  • CI/CD pipelines using Jenkins, Maven, Git, Bitbucket, Jira, Confluence
• Experience building cloud-native, containerized applications on Kubernetes
• Strong troubleshooting and production support experience

Preferred Candidate Profile

Candidates with the following strengths will stand out:

• Java application development and architectural design experience
• Strong database design expertise
• Understanding of infrastructure and cloud requirements
• Hands-on experience with Spring Boot , microservices, and Kafka (must)