Python Engineer

Citi is looking for a Python Engineer to join a collaborative development team and contribute to building, testing, and maintaining Python-based applications that power critical business solutions. In this role, you will work alongside experienced engineers and cross-functional teams to develop backend services and REST APIs, gaining hands-on exposure to modern software engineering practices at global scale. This is an excellent opportunity for an early-career engineer to grow technical skills, deliver meaningful work, and build a strong foundation within a leading financial institution.

 

Responsibilities

• Build and maintain Python applications, contributing to the full software development lifecycle from design through to deployment and ongoing support.
• Develop and maintain REST APIs and backend services that meet performance, reliability, and maintainability standards.
• Write clean, well-structured, and thoroughly documented code that is easy to maintain and extend by the wider team.
• Design and execute automated tests to support quality assurance processes and ensure software behaves as expected.
• Support database development activities, including writing and optimizing SQL queries and assisting with data integration tasks.
• Participate in code reviews, applying feedback from senior engineers to continuously improve code quality and adopt best practices.
• Collaborate with business analysts, QA teams, and developers within Agile ceremonies including sprint planning, stand-ups, and retrospectives to deliver solutions on time.

 

Required Qualifications & Skills

• 2+ years of experience in software development, with practical exposure to building and maintaining applications.
• Proficiency in Python, including a solid grasp of programming fundamentals and object-oriented design principles.
• Ability to use PySpark to process and transform large-scale datasets within distributed computing environments.
• Ability to build and consume REST APIs and web services in a backend development context.
• Working knowledge of SQL and relational databases, including the ability to write and troubleshoot queries.
• Familiarity with Git or equivalent version control systems for managing and collaborating on codebases.
• Strong analytical thinking and problem-solving ability, with the capacity to diagnose and resolve application issues effectively.
• Clear written and verbal communication skills, with the ability to work productively within a team environment.

 

Beneficial Skills & Qualifications

• Hands-on experience developing Python applications through internships, academic projects, or personal initiatives.
• Experience working with PySpark on big data pipelines, including familiarity with the Spark ecosystem and distributed data processing concepts.
• Familiarity with Linux or Unix environments for application development or deployment tasks.
• Exposure to cloud platforms such as AWS, Azure, or Google Cloud, including a foundational understanding of cloud-based services.
• Knowledge of software testing frameworks such as PyTest, with an understanding of unit testing principles.
• Interest in or early exposure to AI, machine learning, or automation technologies.

 

What We Offer

 

At Citi, you will be part of a global team where your contributions have real impact. We invest in our people through structured development programs, mentorship from experienced engineers, and access to the tools and technologies that keep you growing throughout your career.

• Hybrid working model with 3 days in the office and 2 days working remotely, giving you flexibility alongside meaningful in-person collaboration.
• Structured learning and development opportunities to build technical skills and accelerate your engineering career.
• Mentorship and guidance from senior engineers, providing practical support as you develop and grow in the role.
• Exposure to complex, large-scale technology challenges within a global financial institution, offering broad technical and professional development.
• Access to wellbeing support, work-life balance initiatives, and financial wellbeing programs.
• A performance-driven team environment where your work contributes directly to meaningful business outcomes.

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

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location:

Irving Texas United States

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Primary Location Full Time Salary Range:

$84,580.00 - $118,020.00

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 23, 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.