Application Developer/Tester (Low-Code / No-Code , Mendix)

Sunrise Systems, Inc.; Phoenix (AZ); On-site; USD 75,000 - 95,000; Full time

Job summary

Sunrise Systems, Inc., located in Phoenix, Arizona, is seeking a contract IT Low-Code / No-Code Application Developer/Tester to support vital software development initiatives using the Mendix platform. With a focus on delivering secure and user-centered solutions, this position offers a fast-paced environment with high visibility.

The role involves assisting in requirements gathering, application development, and testing to ensure successful outcomes in a public-sector context. Strong documentation and collaboration skills are essential.

Qualifications

• Hands-on experience with Low-Code / No-Code platforms, with Mendix strongly preferred.
• Experience developing, testing, and deploying applications in Agile/Scrum environments.
• Familiarity with JIRA for backlog management and defect tracking.

Responsibilities

• Assist in requirements gathering, system design, and application development.
• Prepare User Acceptance Testing (UAT) test cases and coordinate activities.
• Troubleshoot application issues and assist with defect resolution.

Skills

Low-Code / No-Code platforms

Agile/Scrum environments

SQL Server

Documentation skills

Communication skills

Tools

Mendix

JIRA

Automated testing tools

Job description

The Client is seeking a contract IT Low-Code / No-Code (LC/NC) Application Developer/Tester (Mendix) to support software development.

The Mendix LC/NC Developer will assist in a highly visible and time‑critical application development effort, leveraging the Mendix platform to rapidly deliver secure, scalable, and user‑centered solutions. This is an approximately three‑month contract position with possible extension.

Responsibilities

• Assist Business Analysts (BA) with requirements gathering, system design, application development, testing, and implementation using the Mendix low‑code platform
• Participate in design sessions and contribute to the enhancement of operational systems, business processes, and reports
• Analyze and chart existing business processes to define current‑state activities for procedure and application modeling
• Develop and document future‑state business processes, including:
  • Business rules
  • Process flow diagrams
• Configure and develop Mendix applications, including:
  • Microflows and nanoflows
  • Domain models
  • UI components and pages
  • Integrations and data sources (as applicable)
• Prepare User Acceptance Testing (UAT) test cases and coordinate UAT activities with business stakeholders
• Perform data validation and quality assurance activities within Mendix applications
• Assist in pre‑go‑live testing efforts and respond promptly to issues that arise
• Participate in regular status calls and meetings with agency clients and internal project teams
• Create and maintain project documentation related to development, implementation, and transition phases
• Ensure the Scrum Master / Project Manager is kept informed of task progress, risks, and action items
• Troubleshoot application issues and assist with defect resolution
• Perform other duties as assigned

Preferred Skills

• Hands‑on experience with Low‑Code / No‑Code platforms, with Mendix strongly preferred
• Experience developing, testing, and deploying applications in Agile/Scrum environments
• Familiarity with JIRA for backlog management, defect tracking, and sprint planning
• Experience working as part of a Scrum team (developers, Client, testers, product owners)
• Experience with SQL Server querying, reporting, and diagnostics
• Understanding of PCI (Payment Card Industry) compliance standards
• Experience with automated testing tools and methodologies
• Strong documentation, communication, and collaboration skills
• Ability to support time‑sensitive, high‑visibility applications in a public‑sector environment