Senior .NET Application Developer - Assistant Vice President

Citigroup Inc.; Irving (TX); On-site; USD 107,000 - 161,000; Full time

Job summary

Citigroup Inc. in Irving, TX is seeking a Senior .NET Application Developer at the AVP level to design, develop, and maintain responsive web interfaces using .NET Core MVC, ASP.NET, JavaScript, Bootstrap, and CSS.

You will work with the Technology team to advance applications systems and perform SDLC activities. The role requires strong backend/frontend skills, experience with microservices, RESTful APIs, and CI/CD; familiarity with DevOps tools and modern UI frameworks.

Qualifications

• Bachelor’s degree or equivalent experience.
• Strong knowledge of frontend and backend web development with .NET Core MVC, ASP.NET, JavaScript, Bootstrap, CSS.
• Experience with microservices architecture and design patterns.
• RESTful API design and integration.
• CI/CD pipelines and deployment automation.
• Familiarity with DevOps tools such as Harness, Tekton, GitHub.

Responsibilities

• Lead feasibility studies, IT planning, and new application development.
• Monitor all phases of development, testing and implementation.
• Analyze problems, evaluate processes, and ensure security in design and operation.
• Consult with users and tech groups to propose advanced solutions.
• Define standards and operate with limited supervision.
• Design, develop, and maintain responsive web interfaces using .NET Core MVC, ASP.NET, JavaScript, Bootstrap, CSS.
• Create automated workflows, scalable databases, and API integrations.
• Manage SDLC artifacts and code promotion for compliance.
• Participate in UAT and resolve defects to meet release timelines.

Skills

.NET Core MVC

ASP.NET

JavaScript

Bootstrap

CSS

Angular

Microservices

RESTful API

CI/CD

DevOps Tools

MS SQL

Oracle

MongoDB

OpenShift

GitHub

Education

Bachelor’s degree/University degree or equivalent experience

Tools

MS SQL

Oracle

MongoDB

OpenShift

Harness

Tekton

GitHub

Job description

The Senior .NET Application Developer - Assistant Vice President is an intermediate level position responsible for design, development, and maintaining responsive and user-friendly web interfaces using.NET Core MVC,ASP.NET, JavaScript,Bootstrap, andCSS in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Responsibilities:

• Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
• Ensure essential procedures are followed and help define operating standards and processes
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.

Responsibilities:

• • Design, develop, and maintain responsive and user-friendly web interfaces using.NET Core MVC,ASP .NET, JavaScript,Bootstrap, andCSS
  • Create automated workflows interacting with multiple APIs, databases, or directly with application UIs
  • Create scalable database schemas, procedures, functions
  • Work with business, architecture, and analysts to convert requirements into user stores and provide technical sizing that will be used for prioritization and delivery
  • Manage code promotion and SDLC artifacts that are needed for compliance
  • Perform code repository hygiene that ensure all developer metrics are met
  • Participate in UAT testing and resolve defects in a timely manner to ensure release timelines are met

Required Skills:

• Demonstrated strong knowledge of
  • Frontend – .NET Core, Angular, MVC, JavaScript, Bootstrap, CSS
  • Services – Microservices in .NET Core, ASP .NET
  • Database -- MS SQL, Oracle, MongoDB,
• Proficiency with microservices architecture and design patterns
• Knowledge of RESTful API design and integration
• Familiarity with DevOps tools such as Harness, Tekton, GitHub
• Understanding of CI/CD pipelines and deployment automation

Preferred Skills:

• Experience with automation using Selenium
• AI fundamentals including prompt engineering, model interaction and interfacing with Citi tools
• Experience with containers and OpenShift.

Education:

• Bachelor’s degree/University degree or equivalent experience

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location:

Irving Texas United States

Primary Location Full Time Salary Range:

$107,120.00 - $160,680.00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Anticipated Posting Close Date:

Oct 28, 2026

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

Illinois residents – AI Notice and Right

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.