As a Senior Software Application Developer at Citi, you will design, build, and implement application systems that support core business operations within Technology. You will join a team with active projects already underway, applying Python, Apache Spark, and SQL to solve complex technical challenges and deliver scalable backend solutions. This role offers the opportunity to shape technical standards, mentor junior developers, and make a direct impact on Citi's application landscape.
Responsibilities
- Build and implement new or enhanced backend application systems in coordination with Citi's technology teams, from feasibility studies through time and cost estimates.
- Lead the full development lifecycle, covering analysis, design, build, testing, and implementation, while providing operational support to business users.
- Apply backend development expertise to analyze complex problems, evaluate business processes, and assess alignment with industry standards.
- Design and recommend security enhancements based on post-implementation reviews to strengthen system performance and reliability.
- Advise users, clients, and technology teams on technical challenges and recommend advanced programming solutions.
- Define technical standards and operating procedures that guide application development practices.
- Mentor junior developers and analysts, sharing backend development expertise across the team.
- Evaluate risk in technical and business decisions, ensuring compliance with applicable laws, regulations, and company policies to protect Citi and its clients.
Required Qualifications & Skills
- 5 to 8 years of experience in systems analysis and software application development, with a bachelor's degree in computer science, engineering, or a related field, or equivalent practical experience.
- Proficiency in Python, with hands-on experience in big data technologies such as Apache Spark and PyCharm.
- Working knowledge of SQL and database management.
- Exposure to AI-assisted development tools such as Copilot and agent-based integrations.
- Experience managing and delivering technology projects, supported by practical knowledge of project management methods.
- Ability to work under pressure and quickly adapt to shifting deadlines, new tools, and changing requirements.
- Advanced English proficiency to collaborate with global teams.
Beneficial Skills & Qualifications
- Experience with microservices development and API integration.
- Familiarity with Citi's technology environment.
- An open, curious mindset with a strong ability to learn new tools and technologies quickly.
What We Offer
You will join a technology team with active projects already underway, working alongside colleagues who value adaptability and continuous learning.
- Work on live backend systems using Python, big data, and AI-assisted development tools within a collaborative technology team.
- Balance your week with hybrid working, spending three days in the office and two days working remotely.
- Build your technical expertise through hands-on exposure to microservices, API integration, and emerging AI tools.
- Access ongoing learning and development opportunities to grow your skills within a global organization.
- Benefit from resources supporting your financial wellbeing and work-life balance.
Apply today to help build backend solutions that power Citi's technology platforms.
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Job Family Group: Technology------------------------------------------------------
Job Family:Applications Development------------------------------------------------------
Time Type:Full time------------------------------------------------------
Most Relevant Skills Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
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.
Skills Required
- 5 to 8 years of experience in systems analysis and software application development
- Bachelor’s degree in computer science, engineering, or a related field, or equivalent practical experience
- Proficiency in Python
- Hands-on experience with Apache Spark or other big data technologies
- Experience using PyCharm
- Working knowledge of SQL and database management
- Exposure to AI-assisted development tools such as Copilot and agent-based integrations
- Experience managing and delivering technology projects
- Practical knowledge of project management methods
- Ability to adapt to shifting deadlines, new tools, and changing requirements
- Advanced English proficiency
- Experience with microservices development and API integration
- Familiarity with Citi’s technology environment
- Ability to learn new tools and technologies quickly
What We Do
Citigroup is a global diversified financial services holding company serving consumers, corporations, governments and institutions. It provides consumer banking and credit, corporate and investment banking, securities brokerage, trade and securities services, and wealth management. Operating across nearly 160 countries and jurisdictions, Citi aims to be a leading partner for institutions with cross-border needs, a global wealth manager, and a valued personal bank in the United States.
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