Java Python Developer Internship Jobs in New York City, NY

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.

• 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.

• 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.

Technology

Applications Development

Full time

New York New York United States

$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.

Please see the requirements listed above.

For complementary skills, please see above.

Aug 28, 2026

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.

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