Senior Backend Engineer building and scaling API services for AI-powered social comment moderation. Collaborating with teams to optimize database performance and API response times.
Responsibilities
Build and maintain RESTful APIs for our Respond and Discover products using FastAPI/Python and Ruby on Rails
Design and optimize database schemas, queries, and indexes for PostgreSQL and OpenSearch/Elasticsearch
Analyze and improve API response times, focusing on sub-second performance for high-traffic endpoints
Integrate with OpenAI APIs and optimize prompt engineering for AI-powered comment responses
Debug production issues, conduct root cause analysis, and implement preventive solutions
Write comprehensive tests and participate in code reviews to maintain high code quality
Collaborate with frontend engineers and product managers to deliver features end-to-end
Monitor system performance using DataDog and respond to alerts
Requirements
Minimum 4 years of professional software engineering experience
Minimum 3 years proven experience with Python backend development (FastAPI, Flask, or Django)
Minimum 2 years working with PostgreSQL or other relational databases
Bachelor's degree in Computer Science, related degree, or equivalent work experience
Strong understanding of RESTful API design principles and best practices
Experience with query optimization, indexing strategies, and database performance tuning
Proven ability to debug complex production issues and identify root causes
Experience with automated testing (unit, integration, end-to-end)
Strong communicator and team collaborator
Demonstrated ability to take ownership of projects, work independently, and deliver within deadlines
Benefits
Flexible work arrangements
Flex PTO plan with generous holidays
Generous family leave policies
Life insurance and supplemental insurance options
Matching traditional and Roth 401k, fully vested from day one
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