Core Experience Engineer - Senior Software Engineer

About the role

We are seeking a Senior Software Engineer to help build and evolve TestBox’s core product platform. You will work across the full stack, delivering new features and shaping the future of demo automation in a fast‑paced startup environment.

Key responsibilities

• Design, develop, and maintain core features across both front‑end (React) and back‑end (Django) of the TestBox platform.
• Own technical projects from initial design through deployment and production support.
• Collaborate closely with Product and other engineers to ensure solutions meet customer needs.
• Participate in code reviews, write clean and well‑tested code, and contribute to technical decisions.
• Debug and resolve production issues as part of an on‑call rotation.

Required profile

• 4+ years of professional software development experience.
• Proven ability to work across the full stack in a product‑driven, fast‑moving environment.
• Proactive ownership mindset with strong collaboration and communication skills.

Required skills

• React
• Django
• API design (REST, GraphQL)
• Database schema design, query optimization, data modeling
• Cloud infrastructure (AWS, GCP, Azure)

What we offer

• $57,000 USD base salary plus equity and benefits.
• Generous equity package for meaningful ownership.
• Flexible, unlimited PTO with a focus on recharge.
• Mental health, fitness, learning, and remote/office setup allowances.
• Dedicated career development support and a fast‑growing, experiment‑focused culture.