Collinear AI · 1 year ago
Senior Backend Software Engineer
United States
Full-time
Remote
Senior Level
$140K/yr - $180K/yr
5+ years expCollinear AI is a company focused on making AI deployment efficient and aligned with brand values. They are seeking a Senior Backend Software Engineer to design and build backend systems that support cutting-edge LLM alignment and transform research breakthroughs into real-world products.
Artificial Intelligence (AI)
Responsibilities
Design, build, and scale backend systems using Python and FastAPI
Architect robust APIs and services to support our alignment workflows and customer-facing tools
Optimize infrastructure for performance, latency, and scale
Collaborate with researchers and ML engineers to integrate models and support experimentation
Build tooling to evaluate and visualize model behavior
Implement testing frameworks, CI/CD pipelines, and monitoring systems
Work across SQL/NoSQL databases, designing efficient schemas and data pipelines
Contribute to a strong engineering culture and help define backend best practices
Stay current with backend trends and emerging technologies
Qualification
Required
5+ years of backend engineering experience, ideally at startups or fast-paced teams
Strong proficiency in Python (FastAPI or similar frameworks)
Experience designing APIs, microservices, and distributed systems
Hands-on experience with DevOps tools (e.g., Docker, Kubernetes, AWS, GitHub Actions)
Familiarity with data modeling, query optimization, and both SQL and NoSQL databases
A bias for shipping, ownership, and thoughtful system design
Experience with Celery (or similar task queues) for async model workflows, including retries, scheduling, monitoring, and production ops
Preferred
Experience working closely with ML teams or building ML infrastructure
Bonus: Interest in LLMs, post-training techniques (e.g., reward models, evaluation, data curation), or alignment research
Benefits
Comprehensive health, dental, and vision coverage
Company
Collinear AI
Bespoke Evaluation and Alignment for Enterprise AI.
11-50 employees
H1B Sponsorship
Collinear AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
83%
Represents job field similar to this job
Engineering and Development
Management and Executive
Trends of Total Sponsorships
*2026 (3)
2025 (3)
Funding
Current Stage
Early StageCompany data provided by crunchbase