Senior AI and ML Engineer

Senior AI and ML Engineer Sigmatic.ai

Location: Remote / Hybrid (DELHI)

Type: Full-Time

Company Overview

Sigmatic is redefining operational excellence for ambulatory surgery centers (ASCs) through AI-driven automation and intelligent workflow platforms. Our mission is to eliminate manual processes, unlock real-time decision-making, and empower ASCs to scale profitably. Purpose-built for outpatient facilities, Sigmatic delivers the next generation of operational analytics, financial insights, and digital-twin monitoringhelping surgery centers worldwide operate smarter, faster, and more efficiently.

Role Overview

Responsibilities

• Design and build LLM-based agents to assist ASC administrators, surgeons, and owners (reports, alerts, insights, financial analytics, equity scenarios).
• Implement RAG architectures combining:
• SQL data
• PDFs/reports/documents
• Event logs from surgery centers
• Work with our data model to create a unified data layer powering dashboards and AI experiences.
• Integrate with AWS Bedrock and related AI services.
• Expose models and logic via APIs / backend services.
• Continuously monitor and improve:
• Model quality
• Latency
• Hallucination control (validation, guardrails, feedback loops).

Requirements

• 8+ years in ML / Applied AI.
• Strong Python; experience with modern LLM tooling (Bedrock, OpenAI, LangChain, etc.).
• Experience with:

• Vector databases (e.g., pgvector, Pinecone, Weaviate, etc.)
• Data engineering fundamentals (ETL pipelines, data cleaning, feature engineering).
• Comfortable working with SQL and relational data models.

• Bonus:
• Healthcare, fintech, or enterprise SaaS background.
• Prior experience building analytics or operations tools.

Bachelor's or Master's in Computer Science, Engineering, or related field

6+ years of full-stack software engineering experience

2+ years leading engineering teams or technical projects

Strong skills in architecture, system design, and code quality

Excellent communication skills with both technical and non-technical teams

High levels of ownership, adaptability, and problem-solving ability

Experience working in agile environments

Ability to deliver clean, scalable, production-ready features quickly

Preferred Qualifications

Experience with healthcare technology, clinical systems, or ASC operations

Experience building AI-powered applications, automation pipelines, or digital-twin systems

Background integrating IoT or sensor-driven data

Start-up or high-growth environment experience

Why Join Sigmatic

Build technology that transforms healthcare and improves patient outcomes

Work with cutting-edge AI, automation, and digital-twin systems

Meaningful responsibilities and ownership from day one

Growing team, massive market, and strong momentum in the ASC industry

Collaborative, fast-moving culture with impact at the core