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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # API Integration Developer III - **Company:** Systemtec, Inc. - **Location:** Columbia, SC, United States - **Experience:** Experienced - **Salary:** $104,728.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), User Authentication, Continuous Integration, IBM WebSphere DataPower SOA Appliances, Github, MongoDB, Node.Js, OAuth, OpenShift, Cloud Services, Swagger, Software Engineering, SonarQube, Systems Integration, Extensible Markup Language (XML), Openapi, Software Troubleshooting, ReadyAPI, SOAPAPI, Information Technology, Synopsys Black Duck, Enterprise Integration, Api Gateway, Restful APIs, Splunk, Jenkins, Artifactory - **Published:** May 30, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=09b82fe48e644f99 ## About the Role Do you have experience in Systems integration?, Do you have a Bachelor's degree?, * Applicants must be authorized to work for any employer in the U.S. We are unable to provide sponsorship or work with Third-Party agencies. * Bachelor's degree in Computer Science, Information Technology, or a related field; equivalent experience combinations will also be considered * Minimum of 4 years of experience in application development, systems integration, or related IT disciplines * Strong experience developing and supporting RESTful and SOAP APIs * Proficiency with JavaScript and backend integration technologies * Hands-on experience with enterprise integration platforms and service orchestration * Strong troubleshooting and analytical problem-solving skills * Experience working in high-volume enterprise environments with multiple concurrent initiatives * Ability to collaborate effectively with technical and non-technical stakeholders * Must be eligible to obtain required clearance credentials and complete pre-employment screening requirements Preferred Skills/Experience of the API Integration Developer III: * Experience with IBM DataPower, IBM API Connect, AWS API Gateway, or Kong * Familiarity with Red Hat OpenShift and container-based environments * Experience with Node.js and Java-based backend services * Knowledge of OpenAPI/Swagger standards * Experience with CI/CD tools including GitHub Actions and Jenkins * Familiarity with SonarQube, BlackDuck, ReadyAPI, and Artifactory * Experience with MQ, XML transformations, or IBM WTX/ITX * Understanding of OAuth, mTLS, and enterprise authentication technologies * Experience using Splunk, MongoDB, or similar enterprise tools ## Description SYSTEMTEC is seeking a API Integration Developer III for a hybrid opportunity in Columbia, SC. Candidate will support enterprise-wide API and systems integration initiatives in a fast-paced technical environment. This role focuses on developing, maintaining, and troubleshooting backend integration solutions that connect internal platforms, cloud services, and external business partners., * Design, develop, and maintain enterprise API and integration solutions * Support REST and SOAP services across cloud and on-premises platforms * Troubleshoot routing, transformation, authentication, and connectivity issues * Collaborate with cross-functional teams to deliver scalable integration capabilities * Participate in testing, deployments, monitoring, and ongoing operational support * Contribute to modernization and continuous improvement initiatives within the integration environment ## Related Videos - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)