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M3USA

Global digital healthcare information and education

Senior Applied AI Software Engineer

Full-TimeUpdated on 10/15/2026
No salary listed
Senior
São Paulo, State of São Paulo, Brazil
RemoteMust work US Eastern time zone hours.
Software EngineeringAI Application Engineering, Full-Stack Engineering

About the job

Requirements
  • At least 5 years of professional software engineering experience.
  • Experience delivering production applications and services.
  • Experience building AI-enabled products or intelligent systems.
  • Experience across the full software development lifecycle.
  • Strong React, Node.js, and TypeScript skills as the primary development stack.
  • Ability to use Python for AI, automation, and data-related workloads where appropriate.
  • Experience with API development, systems integration, and scalable architecture.
  • Experience with SQL, data modelling, and data integration.
  • Experience with automated testing, CI/CD, and modern engineering practices.
  • Practical experience with large language models, generative AI, and prompt engineering.
  • Experience with retrieval-augmented generation (RAG), agentic workflows, and AI orchestration patterns.
  • Experience evaluating, selecting, and optimizing foundation models.
  • Experience monitoring, testing, and supporting AI systems in production.
  • Must be willing to work US Eastern time zone hours.
  • Must submit a CV in English.
Responsibilities
  • Design, build, test, and maintain production software systems.
  • Develop scalable services, APIs, integrations, and automation workflows.
  • Contribute to architecture, engineering standards, and best practices.
  • Support deployment, monitoring, and continuous improvement of production solutions.
  • Design and deploy AI-enabled solutions using large language models, agentic architectures, and automation.
  • Build production AI applications, copilots, and workflow solutions.
  • Develop prompt and context engineering frameworks.
  • Implement retrieval-augmented generation, tool-calling, memory, and orchestration patterns.
  • Evaluate and select appropriate AI models and technologies.
  • Optimize latency, quality, reliability, and cost.
  • Monitor, test, and continuously improve AI system performance.
  • Operationalize statistical, predictive, and AI models.
  • Build validation, monitoring, and feedback mechanisms.
  • Contribute to digital twin and decision-support platforms.
  • Translate business requirements into scalable technical solutions.
  • Shape ideas into practical products and capabilities.
  • Advise on feasibility, trade-offs, and implementation approaches.
  • Help define how AI is applied across the organization through reusable platforms, patterns, and capabilities.
Desired Qualifications
  • Experience with Azure, AWS, or Google Cloud.
  • Experience with vector databases and semantic search.
  • Experience with MCP for connecting AI to enterprise tools and data.
  • Experience with MLOps and model lifecycle management.
  • Experience with AI evaluation and observability, including measuring and monitoring model performance in production.
  • Experience with cloud-native deployment practices for scalable, reliable AI applications, including Docker and Kubernetes.
  • Experience with digital twins, optimization, or decision science.
  • Experience in healthcare, data services, or market research.

About the company

M3 USA provides digital services and live medical education for healthcare professionals, reaching over 2.5 million doctors through physician websites in the US, Asia, and Europe. It combines online clinical information, education, market research, and ethical drug promotion with live programs delivered by credentialed clinical educators to address gaps in clinical practice. Its approach blends digital content with in-person training to improve clinician knowledge and support sales outreach, distinguishing it through targeted physician engagement and REMS programs as part of the M3 Inc. global platform. The goal is to use internet-based tools to improve how medical information is shared and applied, ultimately improving patient care.

Company Size

N/A

Company Stage

N/A

Total Funding

N/A

Headquarters

null

Founded

1999

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Simplify's Take

What believers are saying

  • March 2026 results showed revenue up 23.3% and profit up 21.9%.
  • July 2026 M3 USA acquired NAS Recruitment Innovation, expanding healthcare hiring services.
  • Clinic Succession Platform launch broadens M3's workflow ownership across aging Japanese clinics.

What critics are saying

  • Doctors.net.uk users flagged privacy and consent concerns after M3's 2011 acquisition.
  • Pharma budgets shift quickly to rival physician networks, eroding M3's distribution and research moat.
  • If physician trust breaks, M3 loses data access and employer relevance by 2027.

What makes M3USA unique

  • M3 USA owns Doctors.net.uk and MDLinx, reaching 1.5 million physicians globally.
  • M3 Group's FY2026 revenue reached ¥351,363 million, up 23.3%, signaling scale.
  • Patient Solutions revenue jumped 159.5% in FY2026 after ELAN consolidation and CS Set growth.

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Benefits

Flexible Work Hours

Remote Work Options

Company News

Business Wire
Jan 10th, 2024
M3 USA Acquires Doctors.net.uk, Largest Physician Network In the United Kingdom

M3 USA today announced the acquisition of Doctors.net.uk, the largest physician network in the United Kingdom. Doctors.net.uk has more than 180,000 UK

PYMNTS
Aug 31st, 2020
Japan’s M3 Rides Wave Of Change In Medical Care

The stupendous growth of Japan's M3 Inc. indicates some changes made in healthcare during the COVID-19 crisis are here to stay.