Software Developer II - End-to-End Ownership & Mentorship

Automatic Data Processing, Inc.; Centennial (CO); On-site; USD 108,000 - 137,000; Full time

Job summary

RefiJet is seeking a Software Developer 2 to own features across frontend, backend, APIs, and internal tools in Centennial, CO. You will mentor Software Developer 1 engineers, review code for quality, and collaborate with product, operations, and partners to deliver robust solutions.

This role emphasizes ownership, cross-team collaboration, and learning within a supportive engineering environment. On-site work is required with potential limited remote days as you progress.

Qualifications

• Professional experience building and maintaining production web applications across frontend and backend.
• Deep knowledge of REST APIs and service integration.
• Experience writing automated tests and debugging production issues.

Responsibilities

• Own features end to end across frontend, backend, APIs, and internal tools.
• Mentor Software Developer 1 engineers through code review and pairing.
• Review code and provide constructive feedback beyond style issues.
• Design and implement API integrations with external systems.
• Model data and ensure query performance and data integrity.
• Contribute to release, deployment, and production support activities.

Skills

Full-stack development

Backend fundamentals

Frontend proficiency

REST APIs

Relational databases

Automated testing

Debugging production issues

Git

Clear communication

API integrations

Education

Computer science or related degree / equivalent experience

Tools

Git

Job description

RefiJet is seeking a Software Developer 2 to own features across frontend, backend, APIs, and internal tools in Centennial, CO. You will mentor Software Developer 1 engineers, review code for quality, and collaborate with product, operations, and partners to deliver robust solutions.

This role emphasizes ownership, cross-team collaboration, and learning within a supportive engineering environment. On-site work is required with potential limited remote days as you progress.