Software Developer - Public API, Developer Portal & Vendor Integrations

September 14, 2026

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Job Description Job Description Software Developer Public API, Developer Portal & Vendor Integrations About Us: At FSI, you’ll join a team of passionate professionals dedicated to empowering efficient and safe hospital operations. FSI supports over 400 million ft of hospital space every year to run transformative, intelligent hospital maintenance operations. FSI is the most comprehensive computerized maintenance management software (CMMS) provider for healthcare, and we’re proud to serve over 1,000 hospitals with some of the largest networks in the country -- including Atrium Health, UPMC, Yale New Haven, SSM Health UNC Health, and many others. We work directly with our customers to build customized modern technology that fits their complex needs. In 2020, FSI received significant investments to grow and expand on the foundation established since the company began in 2002. We believe our most exciting chapter is just beginning, and we’re looking for talent that wants to make an impact. If you’re looking for a fast-paced, innovative community with a team focused on collaboration and empowerment through technology, we encourage you to get in touch. Your role: We are seeking a skilled Software Developer to own and evolve FSI’s Public API, Developer Portal, and Vendor Integrations. This role is critical to enabling seamless connectivity between our platform and external partners, ensuring developers have the tools and documentation they need to integrate effectively. You will design, build, and maintain robust, scalable APIs and integrations, while collaborating with internal teams and external vendors to deliver secure, high-performance solutions. Your responsibilities: API Development & Maintenance Design, develop, and maintain RESTful APIs and related services. Implement authentication, authorization, and security best practices (OAuth2, JWT). Optimize API performance, scalability, and reliability. Developer Portal Management Build and maintain a developer-friendly portal with clear documentation, APIs, and onboarding tools. Ensure portal usability and provide resources for external developers. Vendor Integrations Develop and manage integrations with third-party vendors and partners. Collaborate with business and technical teams to define integration requirements. Quality & Monitoring Write clean, testable code and perform unit/integration testing. Monitor API health, usage analytics, and troubleshoot issues proactively. Collaboration & Support Work closely with product managers to prioritize roadmap and customer commitments. Work closely with product managers, QA, and other engineers to deliver high-quality solutions. Provide technical support for API consumers and integration partners. What you’ll bring to the team: Education: Bachelor’s degree in Computer Science or related field (or equivalent experience). Experience: 3+ years in software development with a focus on APIs and integrations. Strong proficiency in C#. Experience with API documentation tools (Swagger/OpenAPI, Postman). Familiarity with Azure and microservices architecture. Skills: Deep understanding of RESTful API design principles. Knowledge of security standards and best practices. Excellent problem-solving and communication skills. Preferred qualifications: Prior experience standing up a developer portal for customer use. 1+ Years managing connecting a Public API to internal api’s and services. 1+ Years managing custom vendor integrations Work Location: Remote. Some travel may be required. Compensation: The compensation offered for this position will be based upon relevant experience, qualifications, and work location. The expected salary range for this role is $115,000-$130,000 annually. Our Values: Customer inspired. Solutions-first. One team. Impactful experts. We look forward to hearing from you! Don’t meet all the requirements? We’re all on a journey to learn constantly and have areas to develop. If you bring some of the above skills to the table and are still developing in others - APPLY ANYWAY! Learning and experience isn’t a one-way path, if you believe you have the background needed to make an impact in this role, we’d love to hear from you. FSI is an Equal Opportunity Employer: We are committed to fostering a diverse, inclusive environment and to encourage these values in everyone on our team. We provide an environment of mutual respect where opportunities are available without regard to race, color, religion, sex, pregnancy (including childbirth, lactation, and related medical conditions), national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information (including characteristics and testing), military and veteran status, and any other characteristic protected by applicable law. We believe that diversity and inclusion for people from all walks of life are key to our success as a company. Powered by JazzHR QtpJrb16NR

Required qualifications:

3+ years in software development with a focus on APIs and integrations.
Strong proficiency in C#.
Experience with API documentation tools (Swagger/OpenAPI, Postman).
Familiarity with Azure and microservices architecture.
Deep understanding of RESTful API design principles.
Knowledge of security standards and best practices.
Excellent problem-solving and communication skills.

Desired qualifications:

Prior experience standing up a developer portal for customer use.
1+ Years managing connecting a Public API to internal api’s and services.
1+ Years managing custom vendor integrations

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