API Developer

Job Summary:

An API Developer is a software engineer specialized in creating, maintaining, and implementing APIs (Application Programming Interfaces).

Key Responsibilities:

• Design and implement a custom API solution to:
• Extract technician payroll and punch data from ServiceTitan, using endpoints like Export_GrossPayItems.
• Transform and validate that data to meet Paylocity’s API schema for automated time file import.
• Authenticate securely using OAuth 2.0 for Paylocity API access.
• Develop a lightweight front-end tool enabling users to:
• View and edit time records pre-submission.
• Validate control totals and resolve data issues.
• Generate user-friendly error reports.
• Build location-based tax logic using service ZIP codes, either as a ServiceTitan enhancement or external module.
• Collaborate closely with project stakeholders and participate in all phases: requirements gathering, development, QA, UAT, and deployment.
• Create clear documentation for business users and IT teams.

Required Skills & Experience:

• Experience in API design and systems integration.
• Strong knowledge of RESTful APIs, OAuth 2.0, and secure data transfer.
• Proven experience integrating third-party systems such as HRIS or payroll platforms.
• Proficiency in modern backend languages and frameworks (Node.js, Python, .NET, etc.) for building custom middleware.
• Front-end experience with React, Angular, or similar frameworks for building data review UIs.
• Ability to implement robust error handling, validation logic, and logging frameworks.
• Familiarity with payroll operations, timekeeping systems, and tax jurisdiction rules is a plus.

Tech Stack & Tools You May Use:

• APIs: ServiceTitan, Paylocity
• Authentication: OAuth 2.0, API tokens
• Backend: Node.js, Python, .NET (flexible based on experience)
• Frontend: React or Angular (light UI development)
• Data: JSON, REST, control totals, validation schemas
• Dev Tools: Postman, Git, Jira, VS Code (or preferred IDE)