Senior Software Engineer (Java/Python)

Citigroup Inc.; New York (NY); On-site; USD 121,000 - 182,000; Full time

Job summary

Citi in New York, NY is seeking a Senior Software Engineer (Java/Python) to build scalable applications for mortgage technology, using Java, Python, Docker, Kubernetes, OpenShift and AI capabilities. You will collaborate with business units to deliver data-driven solutions.

The role emphasizes design, coding, and CI/CD, plus mentoring junior analysts and delivering production-ready software with limited supervision.

Qualifications

• 5-8 years of relevant experience.
• Bachelor’s degree (or equivalent) in Computer Science, Engineering, Mathematics, or a related STEM field.
• Extensive knowledge of Java, Python and container orchestration platforms.
• Experience in systems analysis and programming of software applications.
• Experience in managing and implementing successful projects.
• Working knowledge of consulting/project management techniques/methods.
• Ability to work under pressure and manage deadlines or unexpected changes.

Responsibilities

• Design and deliver scalable, Java and Python-based applications supporting the mortgage trading business, analytics, workflows and reporting.
• Partner with business, risk, product and cross-functional technology groups to integrate platforms and enable new products.
• Monitor and control all phases of development, design, testing, and implementation with user support.
• Apply AI and GenAI capabilities to modernize workflows and unlock insights in mortgage tech.
• Resolve high‑impact, complex initiatives through analysis of processes and standards.
• Apply engineering standards for coding, testing, CI/CD, debugging, and production readiness.
• Serve as advisor or coach to new or junior analysts.

Skills

Java

Python

AI integration

System design

Docker

Kubernetes

OpenShift

Education

Bachelor’s degree in Computer Science, Engineering, Mathematics, or related STEM

Tools

Docker

Kubernetes

OpenShift

Job description

The Senior Software Engineer (Java/Python) is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Mortgage Technology team using Java, Python, Docker, Kubernetes, Openshift and AI related technologies. The overall objective of this role is to contribute to applications systems analysis, programming activities including integration with AI and to work closely with the business to deliver technological solutions that drive decision making.

Responsibilities

• Design and deliver scalable, Java and Python-based applications supporting the mortgage trading business, quantitative analytics, workflows and reporting.
• Partner with the business, risk, product and cross-functional technology groups to integrate platforms, identify enhancements and enable new products and process improvements.
• 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
• Apply AI and GenAI capabilities to modernize workflows, automate analysis, and unlock new insights in mortgage tech.
• Resolve high‑impact, complex initiatives through analysis of business processes, system flows, and industry standards.
• Apply engineering standards for coding, testing, CI/CD, debugging, and production readiness.
• Serve as advisor or coach to new or junior analysts.
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.
• Acts as SME to senior stakeholders and /or other team members.

Qualifications

• 5-8 years of relevant experience
• Bachelor’s degree (or equivalent experience) in Computer Science, Engineering, Mathematics, or a related STEM field
• Extensive knowledge of Java, Python and container orchestration platforms
• Experience in systems analysis and programming of software applications
• Experience in managing and implementing successful projects
• Working knowledge of consulting/project management techniques/methods
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

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

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Primary Location

New York New York United States

Primary Location Full Time Salary Range

$121,200.00 - $181,800.00

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.

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above.

Anticipated Posting Close Date

Aug 28, 2026

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

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.