Member of Technical Staff - Backend Job at Additive AI (San Francisco)

Member of Technical Staff - Backend

Additive AI

Location:
United States , San Francisco

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

You are an exceptional builder who wants outsized responsibility and impact, and have a demonstrated history of thoughtful and pragmatic decision making. You have designed, built, and maintained backend systems that delivered on complex problems with simple and robust code. You love tackling novel challenges, you are adept at finding third party tools that meet our needs, and can both quickly make something work and design it to scale and handle edge cases. You’re genuinely passionate about building, and are excited to be an integral part of a team of like-minded folks.

Job Responsibility:

Build the core systems that deploy our machine learning capabilities both in training and production, build metrics systems for rapid iteration and introspection, and help improve the performance of both by using your judgement to optimize for evolving technical and product requirements
Drive technology and architectural choices for Additive’s core services that will enable us to rapidly build and iterate on user experiences that enable our customers to do their best work
Design and build the integration of ML inference, monitoring systems, Large Language Model (LLM) interactions, application layers, and tax-related business logic into our core systems
Build out database layers supporting business logic and applications within our systems and data integration strategy with external vendor APIs and interfaces
Collaborate with the rest of the team on effective CI/CD systems that helps us all move faster
Engage directly with accountants to understand their needs and how we can best build a product that they absolutely love
Be expected to operate with autonomy and judgement to deliver tremendous value while working with both technical and market constraints

Requirements:

5+ years experience working on backend systems in a meaningful ownership role for what was built and why, ideally for systems with meaningful data or ML workloads
Experience with ML concepts and integrating ML inference and monitoring capabilities into business applications
Comfortable with Python, cloud providers such as GCP/AWS, container technologies (e.g. Docker, Kubernetes, serverless platforms), and database and storage layers (e.g. Postgres, SQL, S3/GCS, Redis)
We’re working fully in person 5 days per week in downtown San Francisco
Additive can cover relocation costs for moving to the San Francisco area

Additional Information:

Job Posted:
February 21, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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