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OnePay Logo OnePay · IT - Software Development

Senior Applied Scientist

India, Bangalore · Job Posted May 27, 2026
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Job Description

As an Applied Scientist at OnePay, you’ll be at the forefront of our AI and Machine Learning innovation! You will: Design and deploy machine learning, deep learning, and LLM models that will shape our customer experience, drive business growth, and improve operational efficiency while collaborating closely with product, engineering, and analytics teams. Build intelligent AI agents that can reason, plan, and interact across workflows to enhance automation and decision-making. Develop personalization and recommendation systems that deliver dynamic, user-centric experiences across our product offerings. Design and optimize search and retrieval systems to improve discoverability, relevance, and user satisfaction.

Job Responsibility

  • Design and deploy machine learning, deep learning, and LLM models that will shape our customer experience, drive business growth, and improve operational efficiency while collaborating closely with product, engineering, and analytics teams
  • Build intelligent AI agents that can reason, plan, and interact across workflows to enhance automation and decision-making
  • Develop personalization and recommendation systems that deliver dynamic, user-centric experiences across our product offerings
  • Design and optimize search and retrieval systems to improve discoverability, relevance, and user satisfaction

Requirements

  • Hands-on expertise with 5+ years of experience building and productionizing ML/AI models that deliver measurable business impact
  • Experience developing AI agents, recommendation systems, or search technologies in a production environment
  • A strong technical background with a degree in Computer Science, Data Science, Applied Mathematics, or a related field
  • Fluency in collaborating with Product, Engineering, and Analytics teams to bring AI solutions from ideation to deployment
  • Drive and proactivity – everyone here is a builder and executor

What we offer

  • Competitive salary
  • Stock options
  • Benefits from Day 1
  • Comprehensive health insurance coverage (health insurance, accident and disability insurance, term life insurance)
  • Mental health support
  • Wellness programs
  • Hybrid work model (Bengaluru office three days a week)
  • Various time off programs (vacation, sick, other paid leaves, and paid regional holidays)
  • Monthly transport allowances
  • Work-from-home allowances
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