Senior Full Stack .NET Software Engineer

About Citi:

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

The Role:

This role is ideal for a seasoned .Net full-stack developer passionate about creating sophisticated, end-to-end automation solutions. The position involves designing and building applications, services, and databases that streamline business processes within a complex enterprise environment. Successful candidates will leverage their deep technical expertise in .NET, microservices, and database management to drive projects from conception through to deployment.

Responsibilities

• Develop and implement new or revised end-to-end application systems including UIs, data storage solutions, and automated workflows.
• Create automated processes that interact with multiple APIs, databases, and application user interfaces.
• Develop scalable database solutions, including schemas, stored procedures, and functions.
• Analyze complex business and system processes to identify opportunities for improvement and provide evaluations based on industry standards.
• Collaborate with business analysts, architects, and users to translate business requirements into technical stories and provide sizing estimates for development tasks.
• Participate in the full software development lifecycle (SDLC), including feasibility studies, design, construction, testing, and implementation.
• Manage code promotion, CI/CD pipelines, and all necessary SDLC artifacts to meet compliance and operating standards.
• Recommend and implement security measures and ensure all essential procedures are followed, including those related to risk and compliance.
• Perform code repository hygiene to ensure developer metrics are met and best practices are maintained.
• Acts as SME to senior stakeholders and /or other team members.
• Provide user and operational support for applications, participate in UAT, and resolve defects in a timely manner to meet release schedules.
• Operate with independence and judgment, managing deadlines and unexpected changes in requirements effectively.

Qualifications

• Experience: 5+ years of professional experience in full-stack software development.
• Core Technical Skills: Strong knowledge of frontend and backend technologies, including ASP.NET MVC, .NET Core, JavaScript, Bootstrap, and CSS, with strong proficiency in C#.
• Modern UI Frameworks: Experience with modern UI frameworks such as Angular, React, or Microsoft Blazor.
• Microservices & Architecture: Demonstrated expertise in developing .NET Core microservices, along with a deep understanding of microservices architecture and design patterns.
• Database Development: Proficiency in database development across relational and NoSQL databases (e.g., Microsoft SQL Server, Oracle, MongoDB) and query languages (e.g., PL/SQL, T-SQL).
• API Design & Integration: Deep knowledge of RESTful API design principles and hands-on systems integration experience.
• Test Automation: Experience with test automation tools and frameworks (e.g., Selenium).
• Python & Generative AI (Preferred): Experience with Python programming, Agentic AI and/or Generative AI (GenAI) development is an added advantage.
• Java & Spring Boot (Preferred): Java development experience with extensive expertise in building microservices using Spring Boot is a strong plus.
• DevOps & CI/CD: Familiarity with DevOps tools and platforms (e.g., Lightspeed, Harness, Tekton, GitHub) and a solid understanding of CI/CD pipelines and deployment automation.
• Project Delivery: Demonstrated track record of managing and implementing successful projects, supported by a working knowledge of project management methodologies.
• Containerization: Hands-on experience with containerization technologies (e.g., Docker) and container orchestration platforms (e.g., OpenShift, Kubernetes) is preferred.
• AI-Assisted Engineering: Demonstrated proficiency in leveraging modern AI coding assistants (e.g., GitHub Copilot, Devin AI) to accelerate the software development lifecycle across design, implementation, testing, and feature delivery.
• AI Fundamentals: Practical knowledge of AI fundamentals, including prompt engineering and integration with AI models and APIs, is a plus.

• Professional Attributes: Proven ability to work effectively in fast-paced environments, handle shifting priorities, and deliver against evolving deadlines and requirements.

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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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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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.