Backend Software Engineer (Java/Springboot)

Apex Systems; St. Louis (MO); Remote; USD 90,000 - 130,000; Full time

Job summary

Everforth Apex Systems is seeking a Software Engineer II to join the Partner Integrations Team as a remote backend developer focusing on Java/Spring Boot. You will build and maintain integrations that connect internal systems with external partners, delivering scalable solutions.

You'll design, test, and deploy backend services, collaborate with cross-functional teams, and participate in on-call rotations to support production systems.

Qualifications

• 3+ years of software development with Java, Spring, and Spring Boot.
• Experience designing and consuming RESTful APIs and SQL optimization.
• Experience with CI/CD pipelines and Agile methodologies.

Responsibilities

• Design and develop backend components for partner integrations.
• Develop and test integrations with internal and external partners.
• Participate in code reviews and contribute to architecture decisions.
• Support production systems and resolve incidents.

Skills

Java

Spring Framework

Spring Boot

SQL

Cloud-native

RESTful APIs

CI/CD

Agile

Security practices

Code reviews

On-call

Tools

AWS

PostgreSQL

DynamoDB

Hibernate

GitHub

GitHub Copilot

SonarQube

JFrog Artifactory

Jira

Confluence

OpenAPI

Job description

Job # 3055039

Job Description

Remote Backend Software Engineer (Java/Springboot)

Overview

We are seeking a Software Engineer II to join our Partner Integrations Team, where you will play an important role in delivering technology solutions that enable strategic partnerships and connected services. This team is responsible for developing, maintaining, and enhancing applications and integrations that connect internal systems with external partners, streamline business processes, and improve both operational and customer experiences.

As a Software Engineer II, you will contribute to the design, development, testing, and support of integration solutions, working on both new initiatives and enhancements to existing applications. You will collaborate with engineers, architects, and business stakeholders to implement new integrations, troubleshoot production issues, and deliver reliable, scalable solutions.

Daily responsibilities include participating in all phases of the software development lifecycle, collaborating with cross-functional teams, supporting integrations with internal and external partners, and identifying opportunities to improve application performance and operational efficiency. This role offers exposure to a variety of technologies and business domains while building technical expertise and contributing to solutions that connect systems, data, and services across the enterprise.

Key Responsibilities

• Design, develop, modify, and implement medium to highly complex application code, enhancements, and change requests
• Analyze software requirements and technical designs to determine implementation feasibility within time and cost constraints
• Develop and execute unit and integration tests, troubleshoot defects, and resolve issues of varying complexity
• Apply technical expertise and best practices to solve moderately complex business and technical challenges
• Participate in code reviews by presenting technical solutions and providing constructive feedback
• Perform builds, code merges, deployments, and environment support activities
• Monitor application health, logs, and system performance to troubleshoot and resolve production issues
• Diagnose and resolve technical issues, escalating when appropriate
• Create and maintain technical documentation for applications, integrations, and operational processes
• Present technical designs and solutions to developers, architects, leadership, project teams, and business stakeholders
• Recommend improvements to development processes, procedures, and technical solutions
• Provide technical guidance and mentorship to junior team members
• Manage assigned development activities and deliverables while meeting quality standards and deadlines
• Participate in an on-call rotation supporting production applications
• Contribute to both project-based initiatives and operational support efforts

Required Qualifications

• 3+ years of software development experience with Java, Spring Framework, and Spring Boot
• 3+ years of experience developing and optimizing SQL
• Experience working with cloud-native technologies
• Experience designing, developing, integrating, and troubleshooting RESTful APIs
• Experience testing and validating API integrations
• Experience with CI/CD pipelines and automated deployment processes
• Experience participating in code reviews and following development best practices
• Strong analytical, troubleshooting, and problem-solving skills
• Strong communication and collaboration skills
• Experience working within Agile methodologies such as Scrum or Kanban
• Commitment to incorporating security best practices into software development

Preferred Qualifications

• Experience with AWS
• Experience building and supporting Spring Boot microservices
• Experience with React
• Experience with GitHub, GitHub Copilot, SonarQube, JFrog Artifactory, Jira, and Confluence
• Experience with PostgreSQL, DynamoDB, or similar database technologies
• Experience with asynchronous and event-driven architectures
• Experience with message-based integration patterns
• Experience with Hibernate or similar ORM frameworks
• Experience writing and maintaining OpenAPI specifications

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

© 2026 Everforth, Inc. All rights reserved.

Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.

NYSE: EFOR

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.