CareerPlan

Sr. SW Engineer (Full Stack)

Austin, TX, USFull-time2026-10-21 → 2026-11-09
Hybrid

Core

Design, develop, and maintain full-stack fintech solutions using agentic AI, LLM-backed services, and modern cloud tools to drive business outcomes.

Role type

Senior Full Stack Software Engineer (Fintech/AI)

Builds

Secure, scalable web services, REST APIs, and AI-enabled microservices for Visa's global payment ecosystem.

Domain

Fintech / Payments / Generative AI

Deliverable

production ML models

Required skills

Java, JavaScript, TypeScript, React, Spring Boot, Node.js, Relational Databases, Linux, Agentic AI, LLM APIs, Tool/Function Calling, MCP Servers, REST API Design, Microservices Architecture, System Design, Debugging, Observability, Unit/Integration Testing, Code Reviews, Mentorship

Preferred skills

Advanced Degree (Masters/MBA), 4+ years in web/mobile systems, 3+ years in modern front-end engineering, 3+ years in back-end engineering, Deep expertise in agentic AI patterns (multi-agent orchestration, RAG, vector stores, prompt engineering)

Technologies

React, TypeScript, Spring Boot, Node.js, MySQL, Postgres, Linux, LLM APIs, MCP, Vector Stores

Responsibilities

Design and build full-stack features from requirement to production; Implement agentic AI solutions including LLM-backed services and multi-step agents; Apply AI-assisted engineering tools for code generation, refactoring, and testing; Collaborate with cross-functional teams to translate business requirements into technical solutions; Participate in system design and architecture for platform components; Develop and maintain secure REST APIs and microservices; Create test plans and configure automation testing for AI-driven features; Mentor junior engineers and promote AI-first engineering patterns; Respond to on-call support requests and troubleshoot production issues.

Seniority

Senior, hands-on IC