Python Application Developer

Python Application Developer Location: Jersey City, New Jersey, United States • Job Type: Hybrid Posted: May 7, 2026 Job Overview The Python Application Developer 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 Technology team. The objective is to contribute to applications systems analysis and programming activities. Key Responsibilities Architect and implement applications based on distributed systems and cloud-native principles. Write clean, efficient, and maintainable code, primarily in Python. Work with containerization technologies such as Docker and Kubernetes for application deployment and orchestration. Integrate and manage various Database Management Systems (DBMS) to ensure data persistence and reliability. Optionally, develop and manage real-time data processing and streaming pipelines. Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas. Monitor and control all phases of the development process — including analysis, design, construction, testing, and implementation — and provide user and operational support on applications to business users. Utilize in-depth specialty knowledge of applications development to analyze complex problems, evaluate business and system processes, and apply industry standards. Recommend and develop security measures in post-implementation analysis of business usage to ensure system design and functionality. Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and assist with customer exposure systems. Ensure essential procedures are followed and help define operating standards and processes. Operate with minimal supervision and exercise independence of judgment and autonomy. Act as SME to senior stakeholders and/or other team members. Acknowledge risk in business decisions, safeguard the firm, and escalate, manage and report control issues with transparency. Qualifications 5+ years of relevant experience in systems analysis and programming of software applications. Strong understanding of distributed systems and cloud-native architectural principles. Proven experience in backend development with a passion for building robust solutions. Strong programming proficiency in Python. Good understanding of Database Management Systems (DBMS), both relational and NoSQL. Experience with containerization technologies (e.g., Docker, Kubernetes) is a significant plus. Experience with real-time data streaming technologies is considered a plus. Experience in managing and implementing successful projects. Working knowledge of consulting/project management techniques and methods. Ability to work under pressure and manage deadlines or unexpected changes in expectations or 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. Other Information Equal Opportunity Employer: Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to 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 for additional information. #J-18808-Ljbffr