Sr. SW Engineer (Python, GenAI, 4+ years' experience)

Visa
India
Workplace: OnsiteFull timeFunction: Administration & Executive AssistanceExperience: 4+ yearsEducation: bachelorsSkills: ["Problem-solving","Collaboration","Debugging","Code review","Knowledge sharing"]

Build and maintain an AI-powered multi-agent architecture (Visa Assist) that powers Visa client-facing channels like Chat, Email, and Portal. You’ll develop Python microservices using FastAPI, LangChain, MCP JSON-RPC 2.0, and NATS, implement RAG/agent workers, and deliver intent classification and routing. Own design discussions, telemetry/observability, testing, and code reviews, while collaborating with product, QA, data science, and cybersecurity teams to meet security and regulatory expectations.

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FursaFursa
Visa
Visa
1 month ago

Sr. SW Engineer (Python, GenAI, 4+ years' experience)

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 3 hours agoStatus: Live

Job Summary

Build and maintain an AI-powered multi-agent architecture (Visa Assist) that powers Visa client-facing channels like Chat, Email, and Portal. You’ll develop Python microservices using FastAPI, LangChain, MCP JSON-RPC 2.0, and NATS, implement RAG/agent workers, and deliver intent classification and routing. Own design discussions, telemetry/observability, testing, and code reviews, while collaborating with product, QA, data science, and cybersecurity teams to meet security and regulatory expectations.
Location: India
Workplace: Onsite
Employment Type: Full time
Job Function: Administration & Executive Assistance
Seniority: Mid level

Key Responsibilities

  • •Collaborate with stakeholders to interpret requirements and incorporate feedback for Visa Assist components across Chat, Email, and Portal.
  • •Contribute to system design/architecture, including intent classifier enhancements, agent worker capabilities, and NATS messaging patterns and documentation.
  • •Develop and maintain microservices for the multi-agent architecture using Python, FastAPI, LangChain, and NATS messaging.
  • •Implement and optimize agent workers and RAG pipelines using LangChain agents and MCP JSON-RPC 2.0, optimizing for performance, failover, and recovery.
  • •Implement telemetry and distributed tracing/monitoring, create test plans, participate in code reviews, and support incident management via platform uptime and SLAs.

Key Requirements

  • •4+ years of work experience with a Bachelor’s degree or Advanced degree.
  • •Experience in technologies/software systems (2+ years) and in developing web-based or mobile applications (2+ years).
  • •Experience in system design and architecture for product components, and debugging/troubleshooting software issues.
  • •Experience with code review and applying coding standards.
  • •Experience in test planning/execution and in responding to support requests and deploying fixes.
Experience:4+ years
Education:Bachelor's
Skills:Problem-solvingCollaborationDebuggingCode reviewKnowledge sharing
Tech Stack:PythonFastAPILangChainNATSMCPJSON-RPC 2.0RAGSSEDistributed cacheMTLSOpenTelemetryPrometheusLangSmithPydantic v2OrjsonOAuth2API Key AuthPCI-DSSDockerKubernetes

Company Brief

Visa
Global payments technology company that operates the VisaNet electronic payments network, facilitating credit, debit and digital transactions between consumers, merchants, financial institutions and governments worldwide.
Industry: Payments
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 1958
Glassdoor
Glassdoor: 3.8
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