Rengo AI - AI Engineer

De Circle

$120K — $180K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-7+ years in backend, data engineering, or machine learning systems
  • Strong proficiency in Python
  • Experience building production data systems or analytics platforms
  • Familiarity with time-series data and event-driven pipelines
  • Experience with LLM applications in production

Responsibilities

  • Build real-time and batch systems for portfolio performance monitoring.
  • Implement AI systems that generate actionable investment insights.
  • Detect significant portfolio changes and risk regime shifts.
  • Create structured reports on portfolio performance and risk commentary.
  • Ensure data outputs are auditable and grounded in reality.

Benefits

  • Opportunity to influence investment decisions directly.
  • Work on high-reliability AI systems focused on finance.
  • Ownership of full-stack development from data to insights.
  • Collaborate in a cutting-edge AI environment.
  • Engage in a meaningful impact within the financial sector.
Full Job Description
The Role

As a Founding AI Engineer, you will build the core system that powers AI-driven portfolio monitoring for institutional investors.

You will design systems that continuously:
  • ingest portfolio + market + position-level data
  • detect meaningful changes and anomalies
  • generate structured investment insights
  • explain performance and risk drivers in natural language + structured outputs

This is a high-reliability AI system, not a chatbot.

What You'll Build

1. AI Portfolio Monitoring Engine
  • Real-time and batch systems that monitor:
    • portfolio performance (PnL, attribution, drawdowns)
    • exposure shifts (sector, geography, asset class)
    • risk signals (volatility, correlation, concentration)
    • position-level changes
  • AI layer that converts raw portfolio data into:
    • alerts
    • summaries
    • explanations
    • actionable insights

2. Change Detection & Intelligence Layer
  • Build systems that detect:
    • significant portfolio movements
    • abnormal price/volume behavior in holdings
    • drift from target allocations
    • risk regime changes
  • Prioritization layer: what matters vs noise

3. AI-Generated Portfolio Narratives
  • Generate structured outputs such as:
    • daily / weekly portfolio reports
    • performance explanations ("why did we lose/gain?")
    • exposure breakdowns
    • risk commentary
  • Ensure outputs are:
    • auditable
    • grounded in data
    • consistent across runs

4. Data + Retrieval Systems for Funds
  • Integrate:
    • positions & holdings data
    • market data feeds
    • internal fund metadata
    • external news & filings (optional enrichment layer)
  • Build RAG pipelines over portfolio + market context

5. LLM Systems for Financial Reliability
  • Design LLM pipelines that:
    • avoid hallucinated financial reasoning
    • produce structured, verifiable outputs
    • ground insights in actual portfolio data
  • Build evaluation frameworks for correctness of financial narratives


Strong engineering background
  • 3-7+ years in backend, data engineering, or ML systems
  • Strong Python (mandatory)
  • Experience building production data systems or analytics platforms
LLM / AI systems experience
  • Experience building LLM applications in production
  • Strong understanding of:
    • RAG systems
    • structured generation (schemas, JSON outputs)
    • tool use / function calling
    • agent workflows
  • Awareness of failure modes in LLM reasoning (critical in finance)
Data-heavy systems mindset
  • Experience with:
    • time-series data
    • event-driven pipelines
    • analytics / observability systems
  • Comfort working with imperfect, high-volume financial data
Nice to Have
  • Experience in:
    • asset management / hedge funds / fintech
    • portfolio analytics or risk systems
    • trading / market data infrastructure
  • Familiarity with:
    • exposure/risk models
    • PnL attribution systems
    • BI / analytics platforms for finance
  • Experience with vector databases or hybrid retrieval systems


What Makes This Role Unique
  • You are building the core monitoring brain of a fund
  • Not dashboards - interpretation + intelligence
  • Systems you build directly influence investment decisions and risk awareness
  • High emphasis on:
    • correctness
    • traceability
    • reliability under uncertainty
  • You own the full stack: data 12 intelligence 12 insight delivery


Tech Direction
  • Python (core systems + AI orchestration)
  • LLM APIs (OpenAI / Anthropic / open-source models)
  • Postgres + time-series storage
  • Vector DB for semantic retrieval
  • Stream/batch processing pipelines
  • Cloud infrastructure (AWS/GCP)


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