Principal Application Engineer – Payments
Navy Federal Credit Union
AzureCloudJavaKubernetesMicroservicesSpringSpring BootSpringBootSQL
Lead Full Stack Application Development Engineer
Citi
full-time
Posted on:
Location Type: Hybrid
Location: Irving • Florida, Texas • 🇺🇸 United States
Visit company websiteSalary
💰 $125,760 - $188,640 per year
Job Level
Senior
Tech Stack
AngularAWSAzureBootstrapCloudDockerGoogle Cloud PlatformJavaScriptJestKubernetesPythonSDLCTypeScript
About the role
- 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 the following AI/ML : Language Models such as GPT, Gemini, Claude, Transformers , including concepts like Attention Mechanisms and Encoder-Decoders Architectures .
- Agentic Frameworks , to build intelligent agents that operate autonomously, coordinate tasks and integrate with tools and platforms.
- RAG (Retrieval-Augmented Generation) , to optimize the output of a large language module so it references an authoritative knowledge base outside of its training data sources before generating a response.
- Proven experience in the following SDLC (Software Development Life Cycle) Activities : Systems Analysis: Gathering requirements, defining system specifications, and creating use cases for complex enterprise applications.
- Design : Architecting scalable solutions , creating database schemas , and designing API contracts .
- Coding : Writing clean, efficient, and well-documented code in Python , JavaScript , etc.
- Unit Testing: Developing and executing unit tests using frameworks like Pytest or Jest to ensure code quality.
- Other SDLC Activities : 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 , including Designing Stateless APIs , using appropriate HTTP methods ( GET , POST , PUT , DELETE ), and Implementing Versioning and Authentication (e.g., OAuth2 , JWT ).
- Experience with Container technologies (e.g., Docker ) and Kubernetes for orchestration, deployment, and scaling of containerized applications.
- Proficient in Agile/Scrum methodologies , including participation in Daily Stand-ups , Sprint Planning , Backlog Refinement , and Sprint Reviews .
- 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.
Benefits
- 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
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
PythonFastAPIJavaScriptTypeScriptAngularBootstrapHTML5CSSAJAXAI/ML
Soft skills
leadershipproject managementcommunicationadaptabilitycollaborationproblem-solvingprioritizationattention to detailcritical thinkingtime management
