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Lead Full Stack Application Development Engineer

https://www.citi.com/ Logo

Citi

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Location:
United States, Irving, Texas

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

125760.00 - 188640.00 USD / Year

Job Description:

We are seeking a highly skilled and motivated Lead Full Stack Application Development Engineer to join our Cloud Technology team. In this role, you will be instrumental in developing advanced Artificial Intelligence (AI) systems, with a specific focus on Large Language Models (LLMs), Agentic frameworks, and Retrieval-Augmented Generation (RAG). The ideal candidate will possess strong programming skills, a solid understanding of database systems, and the ability to design, develop, and maintain efficient, scalable, and robust applications.

Job Responsibility:

  • Develop foundational components and advance technological capabilities within AI and LLM domains
  • Build robust, scalable, and user-friendly solutions, embracing agile methodologies with rapid iteration and adaptability
  • Partner closely with internal development teams and subject matter experts across the business to deliver integrated solutions
  • Ensure all software platforms adhere to Citi's security standards and Software Development Life Cycle (SDLC) processes
  • Manage and innovate the platform at scale, ensuring continuous evolution and high performance

Requirements:

  • 6+ years of relevant experience in Application Development, including designing and developing web portals and intranet/internet applications
  • Strong proficiency in Programming Languages, with a preference for Python(asynchronous programming), FastAPI, and Javascript/Typescript
  • Hands-on experience implementing web applications using Angular, JavaScript, Bootstrap, HTML5, JSON, CSS, and AJAX
  • Solid understanding of AI/ML: Language Models such as GPT, Gemini, Claude, Transformers, including concepts like Attention Mechanisms and Encoder-Decoders Architectures, Agentic Frameworks, RAG (Retrieval-Augmented Generation)
  • Proven experience in SDLC (Software Development Life Cycle) Activities: Systems Analysis, Design, Coding, Unit Testing, Integration Testing, Performance Testing, and Deployment Planning
  • Experience with Code Reviews, Continuous Integration, and ensuring code quality through Test Case Reviews
  • Experience with CI/CD pipelines and Source Code Management (SCM) tools like GIT, along with issue tracking tools like JIRA
  • Demonstrated experience building and running large-scale platforms
  • Solid understanding and experience with RESTful API design principles
  • Experience with Container technologies (e.g., Docker) and Kubernetes for orchestration, deployment, and scaling of containerized applications
  • Proficient in Agile/Scrum methodologies
  • Development experience with at least one major Public Cloud provider (e.g., AWS, Azure, GCP)
  • Ability to adjust priorities quickly and effectively as circumstances dictate
  • Demonstrated leadership and project management skills
  • Consistently demonstrates clear, concise, written, and verbal communication skills

Nice to have:

Experience with MongoDB or other NoSQL databases (e.g., Cassandra, DynamoDB, Redis) for handling large volumes of unstructured or semi-structured data, including designing schemas, querying, and optimizing performance

What we offer:
  • medical, dental & vision coverage
  • 401(k)
  • life, accident, and disability insurance
  • wellness programs
  • paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays

Additional Information:

Job Posted:
August 16, 2025

Expiration:
August 25, 2025

Employment Type:
Fulltime
Work Type:
On-site work
Job Link Share:
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