Backend Engineer (Gen AI)

About Us
We're a fast-moving startup building innovative Gen AI solutions that scale. We're looking for a talented backend engineer who thrives in a dynamic environment and wants to make a real impact in the AI space.

The Role
We're seeking a Backend Engineer with Gen AI expertise to design, build, and maintain the core systems that power our AI-driven platform. You'll work closely with our product and engineering teams to create robust, scalable APIs and services that integrate cutting-edge language models and deliver exceptional performance.

What You'll Do

• Design and develop RESTful APIs using Python and FastAPI for AI-powered applications
• Integrate and optimize LLM APIs (OpenAI, Anthropic, AWS Bedrock, etc.)
• Build prompt engineering pipelines and manage context windows effectively
• Implement vector databases and semantic search capabilities
• Build and optimize PostgreSQL database schemas, queries, and migrations
• Implement and maintain authentication and authorization systems (JWT, OAuth 2.0, session management)
• Design and implement Redis caching strategies for LLM responses and high-performance data access
• Deploy and manage services on AWS (EC2, RDS, ElastiCache, S3, Lambda, Bedrock)
• Develop RAG (Retrieval Augmented Generation) systems and fine-tuning pipelines
• Implement streaming responses and async processing for AI workloads
• Monitor LLM performance, costs, and implement usage tracking
• Write clean, maintainable, and well-tested code
• Collaborate with frontend engineers to define API contracts and integration patterns
• Implement security best practices including rate limiting, input validation, and secure token management
• Participate in code reviews and contribute to engineering standards

What We're Looking For

• 1+ years of professional backend development experience
• Already completed graduation
• Strong proficiency in Python and modern async frameworks (FastAPI preferred)
• Hands-on experience integrating LLM APIs (GPT-4, Claude, Llama, etc.)
• Understanding of prompt engineering, context management, and token optimization
• Solid understanding of PostgreSQL, including query optimization and database design
• Experience with version control (Git) and collaborative development workflows
• Ability to write unit and integration tests
• Strong problem-solving skills and attention to detail

Nice to Have

Understanding of microservices architecture
Experience optimizing LLM costs and implementing smart caching strategies

What We Offer

• Competitive salary and equity package
• Flexible work arrangements
• Modern tech stack and cutting-edge AI tools
• Opportunity to shape our technical direction in the AI space
• Fast-paced startup environment where your work matters
• Work on real-world AI applications that impact users