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SW Engineer

Visa
Austin, USA
Full-time
Mid · 3+ years experience
Onsite
Discovered 1 weeks ago
fastapijavalangchainpython

Full Job Posting

Qualifications

  • Basic Qualifications
  • Bachelor's degree, OR 3+ years of relevant work experience
  • Programming Languages: Strong proficiency in Java / Python including async/await patterns, type hints (Pydantic v2), and high-performance serialization (orjson).
  • AI/ML Frameworks: Hands-on experience with LangChain, RAG architectures, LLM API integration, prompt engineering, and agentic AI patterns. Familiarity with intent classification and NLP pipelines.
  • Preferred Qualifications
  • Experience with FastAPI for building production APIs.
  • Experience in analysis, design, and programming of computer applications.
  • Experience in debugging and modifying software programs.
  • Experience in writing and maintaining technical documentation.
  • Experience in performing software testing and troubleshooting.
  • Experience in collaborating with users or stakeholders to gather requirements.
  • Experience in developing or supporting installation and maintenance procedures.
  • Protocols & Integration: Experience with Model Context Protocol (MCP) JSON-RPC 2.0, REST APIs, Server-Sent Events (SSE), and mTLS. Understanding of agent-to-agent communication patterns.
  • API Development: Ability to design and implement robust APIs using FastAPI, including request validation (Pydantic), authentication (OAuth2, API Key, mTLS), and streaming responses.
  • Cloud Computing: Experience developing and deploying cloud-native containerized applications. GenAI: Practical utilization of Generative AI models for code development and familiarity with LLM API integration patterns (ChatOpenAI, token management, streaming).
  • Be based in Austin, TX or the Greater Austin metropolitan area
  • Information for US Applicants
  • For roles located in the US, the estimated salary range for this position is $86,500.00 to $ 134,400.00 USD per year, which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity.Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, 401(k), FSA/HSA, Life Insurance, Paid Time Off, and Wellness Program.
  • Work Hours
  • Varies upon the needs of the department.
  • Travel Requirements
  • This position requires travel 5-10% of the time.
  • Mental/Physical Requirements
  • This position will be performed in an office setting. The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers.
  • Visa is an EEO Employer
  • Qualified applicants will receive consideration for employment without regard to race, color religion, sex, national origin, sexual orientation, gender identity, disability or protect veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with the EEOC guidelines and applicable local law.

Preferred Qualifications

  • Experience with FastAPI for building production APIs.
  • Experience in analysis, design, and programming of computer applications.
  • Experience in debugging and modifying software programs.
  • Experience in writing and maintaining technical documentation.
  • Experience in performing software testing and troubleshooting.
  • Experience in collaborating with users or stakeholders to gather requirements.
  • Experience in developing or supporting installation and maintenance procedures.
  • Protocols & Integration: Experience with Model Context Protocol (MCP) JSON-RPC 2.0, REST APIs, Server-Sent Events (SSE), and mTLS. Understanding of agent-to-agent communication patterns.
  • API Development: Ability to design and implement robust APIs using FastAPI, including request validation (Pydantic), authentication (OAuth2, API Key, mTLS), and streaming responses.
  • Cloud Computing: Experience developing and deploying cloud-native containerized applications. GenAI: Practical utilization of Generative AI models for code development and familiarity with LLM API integration patterns (ChatOpenAI, token management, streaming).
  • Be based in Austin, TX or the Greater Austin metropolitan area
  • Information for US Applicants
  • For roles located in the US, the estimated salary range for this position is $86,500.00 to $ 134,400.00 USD per year, which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity.Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, 401(k), FSA/HSA, Life Insurance, Paid Time Off, and Wellness Program.
  • Work Hours
  • Varies upon the needs of the department.
  • Travel Requirements
  • This position requires travel 5-10% of the time.
  • Mental/Physical Requirements
  • This position will be performed in an office setting. The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers.
  • Visa is an EEO Employer
  • Qualified applicants will receive consideration for employment without regard to race, color religion, sex, national origin, sexual orientation, gender identity, disability or protect veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with the EEOC guidelines and applicable local law.

Responsibilities

  • Conduct analysis, design, programming, debugging, and modification of computer programs for commercial or end user applications.
  • Write code, complete programming tasks, and perform testing and debugging of applications.
  • Complete documentation and procedures for installation and maintenance.
  • Interface with users to define system requirements and/or necessary modifications.
  • Develop cost estimates, budgets, and schedules as needed.
  • This is a hybrid position. Expectation of days in the office will be confirmed by your Hiring Manager.

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