Principal Software Engineer (platform / SDK)

Voxel51 (Headquarters: Remote)

Python Go Distributed Systems Kubernetes Platform Development Back End Engineer Staff Engineer

About Voxel51: Voxel51 is a technology company founded by PhDs from the University of Michigan, specializing in computer vision and visual AI. They have raised a Series B with $45M in total funding and are backed by Bessemer, Drive Capital, Tru Arrow, Top Harvest, Shasta Ventures, and ID Ventures. Voxel51 is the team behind FiftyOne, the leading open-source toolkit for building visual AI. FiftyOne is used by Fortune 500 companies, startups, and research labs worldwide to curate datasets, debug models, and build the next generation of production-ready AI. The company's mission is to bring transparency and clarity to the world's data. They are committed to being human-first, embracing a remote-first culture, and fostering an inclusive engineering environment. Voxel51 has 3M open source installs and serves 250+ enterprise customers. Their tech stack includes Python, React/TypeScript, and Kubernetes, and they are continuously integrating innovations from their in-house research team into upcoming releases.

About the Role: Voxel51 is seeking a Principal Software Engineer to join our Platform team. In this role, you will play a key part in designing and developing the core platform that powers our visual AI tools. You will work with a talented team to build and scale our infrastructure, ensuring that our services are reliable, performant, and scalable.

Key Responsibilities:
- Lead the design and implementation of platform features that enable data annotation, curation, and model evaluation.
- Collaborate with product, backend, and frontend teams to define requirements and drive innovation.
- Mentor other engineers, providing guidance on best practices and design principles for building robust systems.
- Contribute to the long-term technical roadmap, focusing on scalability and reliability.
- Optimize system performance and troubleshoot complex issues.

Required Skills and Qualifications:
- Proven track record of leading complex software engineering projects, with a focus on distributed systems and platform development.
- Deep expertise in Python and Go, with experience in writing concurrent and distributed code.
- Strong understanding of system design, including load balancing, caching, and fault tolerance.
- Experience with containerization and orchestration (e.g., Kubernetes).
- Excellent communication and leadership skills, with the ability to align stakeholders and lead cross-functional teams.

Ideal Candidate:
- Passionate about building scalable and reliable systems that solve real-world problems.
- Experienced in mentoring junior engineers and fostering a collaborative team environment.
- Familiar with open-source development and community-driven projects.
- Committed to continuous learning and staying at the forefront of technology.