[Remote] Sr Full Stack Engineer

Note: The job is a remote job and is open to candidates in USA. R Systems is hiring a Sr Full Stack Engineer to support and evolve a commercial AI chatbot platform for a U.S. pharmaceutical client. The role combines production support, full-stack feature engineering, multi-agent LLM workflow development, and Azure platform operations.

Responsibilities

• Maintain and extend the FastAPI backend and React/TypeScript frontend
• Develop and support multi-agent workflows: intent routing, product Q&A;, field scheduling, and analytics
• Maintain compliance controls, policy enforcement, and audit logging
• Support integrations with Microsoft Graph/Outlook, Veeva/Salesforce (OBO flows), and Microsoft Fabric
• Manage the Markdown-based knowledge retrieval pipeline
• Investigate and resolve production incidents from Sev 1 through Sev 4 within agreed SLAs
• Deliver features from requirement through peer-reviewed PR, test, and release
• Operate Azure Container Apps across Dev, QA, and Production: deployments, revision management, rollback
• Maintain Azure DevOps YAML pipelines and Bicep infrastructure definitions
• Manage Key Vault, Managed Identity, and secrets governance
• Configure and maintain Application Insights, Log Analytics, and Azure Monitor alerting

Skills

• 8+ years in software engineering with Python and TypeScript/React as primary skills
• Production experience building or operating agentic or LLM-based systems
• Working knowledge of Azure Container Apps, Key Vault, Managed Identity, and Azure DevOps pipelines
• Familiarity with Microsoft Entra ID and MSAL authentication flows
• Comfortable operating in a regulated environment with change governance and PR-gated deployments
• Azure certification: Developer Associate, Solutions Architect Expert, or DevOps Engineer Expert
• Experience with Anthropic Claude API or comparable LLM APIs
• Familiarity with Veeva CRM, Salesforce Apex, or Microsoft Graph integrations
• Prior work in pharma, life sciences, or commercial operations platform

Benefits

• Frequent internal hackathons with exciting prizes
• Cultural celebrations that foster a sense of community
• Diverse project exposure across sectors, collaborating with leading global brands
• Technical guidance and upskilling opportunities through the Centre of Excellence (COE)

Company Overview

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