Spring API Modernization Engineer (Onsite MD)

Apex Systems; Maryland Heights (MO); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

401K

ESPP

HSA

EAP

Training opportunities

Job summary

Everforth Apex is seeking a Software Developer to support an API modernization initiative in Maryland Heights, MO. The role focuses on migrating existing APIs to Spring-based services and advancing toward AI-enabled customer support solutions.

The ideal candidate has backend API development experience, RESTful service understanding, and a track record in modernizing legacy integrations. This position offers exposure to high-visibility customer support platforms and collaborative, cross-team work.

Qualifications

• 3+ years of software development experience or 6+ years for Senior level.
• Strong Java development experience.
• Experience developing RESTful APIs and consuming/developing web services.
• Experience with Spring Boot and related Spring technologies.
• Understanding of API design, integration patterns, and microservices architecture.
• Knowledge of source control tools such as Git.
• Strong troubleshooting and problem-solving skills.

Responsibilities

• Analyze existing integration logic and implementations.
• Translate workflows and API functionality into modern Spring-based services.
• Design, develop, and maintain REST APIs supporting platform capabilities.
• Collaborate with architects, developers, business stakeholders, and integration teams to modernize legacy services.
• Participate in API migration efforts supporting customer troubleshooting, repair, and support workflows.
• Ensure scalability, reliability, security, and performance of newly developed APIs.
• Assist with integration efforts related to AI-enabled customer support and workflow automation initiatives.
• Participate in code reviews, design discussions, testing, and deployment activities.
• Create technical documentation and support knowledge transfer activities.
• Work closely with both onshore and offshore development resources.

Skills

Java development

RESTful APIs

Spring Boot

Microservices

API design

Troubleshooting

Tools

Spring Boot

Git

Job description

Everforth Apex is seeking a Software Developer to support an API modernization initiative in Maryland Heights, MO. The role focuses on migrating existing APIs to Spring-based services and advancing toward AI-enabled customer support solutions.

The ideal candidate has backend API development experience, RESTful service understanding, and a track record in modernizing legacy integrations. This position offers exposure to high-visibility customer support platforms and collaborative, cross-team work.