Silver.dev - Prospera AI - AI Backend Engineer
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Requirements
• 4+ years production Python experience (async patterns, type hints) • Hands-on experience with LLM APIs (OpenAI, Anthropic, or similar) • Strong understanding of prompt engineering and multi-step LLM workflows • Production API development experience (FastAPI or similar) • Experience with RAG systems and vector databases (Pinecone, Weaviate, pgvector) • Streaming/real-time implementation experience (SSE, WebSockets) • TypeScript/JavaScript familiarity • FinTech or regulated industry backgroundHow You Work • Strong UX intuition—you notice when flows have one too many clicks • Pragmatic perfectionism—you know when to polish and when to ship • Clear communicator who can explain technical constraints in business terms • Collaborative mindset—frontend doesn’t exist in isolation • Self-directed and comfortable with ambiguity • Strong written communication (async-first culture) • Pragmatic problem-solver who ships iteratively • Collaborative mindset with ego-free approach to feedback • WHAT THIS ROLE IS NOT • We want to be upfront about expectations: • Not a pure ML/research role—you’ll apply LLMs, not train them • Not a management role—near-term focus is individual contribution • Not fully autonomous—you’ll collaborate closely with the CTO on architecture • Not 9-to-5—startup intensity applies, though we respect work-life balance
Responsibilities
• OWN THE AI PIPELINE • Design and optimize our multi-agent orchestration system • Implement parallelization and streaming to dramatically reduce response latency • Build robust prompt management with versioning and A/B testing capabilities • BUILD RAG SYSTEMS • Design retrieval-augmented generation for accurate, contextual responses • Work with vector databases, embeddings, and relevance scoring • Optimize for both speed and accuracy at scale • DEVELOP PRODUCTION APIS • Build developer-friendly APIs connecting our AI capabilities to the frontend • Design for future integrations with CRMs and advisor tools • Implement proper authentication, rate limiting, and documentation • SHAPE THE FOUNDATION • Establish code review practices and testing standards • Document architecture decisions for future team members • Contribute to technical patents and IP development
Benefits
• $60K – $90K • Offers Equity • Upload your resume here to autofill key application fields. • Drop your resume here! • Parsing your resume. Autofilling key fields... • or drag and drop here • Do you have experience with live coding interviews? If not, are you willing to practice in preparation for them if required? • Why are you interested in this position? • X (formerly Twitter) • Job alerts email • None of the above • I opt out of receiving email job alerts and any other communication not related to this specific job.
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