Full Stack Add-In Engineer
Apt CompaniesBirmingham, Alabama, United States
Posted March 2, 2026
Full Time
About the Company
Apt Companies is a women‑owned IT staffing and solutions firm that accelerates technology delivery through strategic talent acquisition and project execution. The company specializes in contingent labor, nearshore team augmentation, and upskilling initiatives, offering flexible, scalable workforce solutions tailored to each client’s needs. Apt distinguishes itself with a focus on speed, agility, and partnership, enabling rapid deployment of high‑quality professionals and continuous skill development. By combining deep industry expertise with a collaborative approach, Apt empowers organizations to achieve operational excellence and timely project success.
Job Description
We’re building an AI-powered experience that lives inside Microsoft Excel. As a Software Engineer, you’ll develop React-based Excel Add-ins that connect our AI platform to the tool millions of users already live in every day.
Requirements
- 3+ years of professional front-end development experience with React
- Strong TypeScript/JavaScript skills and comfort working within structured, typed codebases
- Experience with the Microsoft Office Add-in framework (Office JS API)
- Solid understanding of REST APIs, async data flows, and client-side state management
- Familiarity with authentication patterns in Microsoft ecosystems (MSAL, Azure AD / Entra ID SSO)
- Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience
- Strong communicator who thrives in cross-functional, agile teams
Benefits
- 401k Matching
- Generous Paid Time Off
- Tuition Reimbursement
- Retirement Plan