
CTO - Co founder - ( Python , Fast API) 6+years
6 days ago
Job Description: CTO - Backend Developer (Python, FastAPI, AI-Aware)
Location: Remote or Hyderabad (preferred)
Type: Full-time / Tech co founder - equity only - NO SALARY TILL WE RAISE seed funding
Level: Mid to Senior (6–8 years experience)
Role Overview
We're looking for a backend engineer who loves building clean, scalable APIs, but also has curiosity (and basic competence) around natural language processing and intelligent systems.
What You'll Do
- Build and maintain scalable APIs using FastAPI
- Design relational schemas using PostgreSQL for users, matches, profiles, and chat
- Implement and optimize real-time chat systems (using WebSockets or Firebase)
- Integrate LLMs via APIs (OpenAI, Claude, Cohere) to extract emotional & safety insights from chats
- Build and iterate text classification pipelines (toxicity detection, vibe scoring, ghosting patterns)
- Implement work/profile verification systems (e.g., email OTPs, LinkedIn screenshot check)
- Collaborate on matchmaking logic, including Operation Manmadha (our AI-enhanced compatibility algorithm)
- Build admin/moderation tools for trust, safety, and manual interventions
Skills & Experience Required
- 6+ years of backend development experience (preferably with Python & FastAPI)
- Deep understanding of REST API design, auth (JWT), and async architecture
- Experience with PostgreSQL and Redis (or similar cache systems)
- Familiarity with WebSockets or other real-time communication protocols
- Exposure to OpenAI/Cohere APIs or similar — able to build LLM-based pipelines
- Comfortable with prompt engineering, LLM outputs, and chaining logic
- Experience writing modular, testable code and working in CI/CD environments
Nice-to-Have
- Experience with Hugging Face Transformers, spaCy, scikit-learn, or PyTorch
- Exposure to chat risk classifiers, toxicity detection, or sentiment analysis
- Understanding of Gale-Shapley algorithm or other matchmaking logic
- Knowledge of Firebase for presence/chat or file storage
- Prior work in dating apps, mental health, or trust/safety tech
Traits We're Looking For
- You think like a product builder, not just an API writer
- You're excited about LLMs, user trust, and emotional tech
- You write code that's easy to read, easy to test, and easy to scale
- You're proactive — suggesting improvements and not waiting for specs
- You care about making online dating safer, healthier, and more human
What We Offer
- Chance to build India's most thoughtful dating platform
- Work with a small, ambitious founding team with design, product, and film experience
- Freedom to experiment with cutting-edge AI
- A strong culture of autonomy, empathy, and no bullshit
- Competitive pay + equity (for long-term hires)
How to Apply
Email your CV or GitHub/LinkedIn profile to with the subject line:
"Backend Dev – Nova "
Tell us:
- One project you're proud of
- Your comfort level with AI integration
- Why Nova's mission matters
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