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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Python Developer - **Company:** Citigroup, Inc. - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Airflow, Amazon S3, JIRA, HTML5, Unit Testing, Software Bug Management, Cascading Style Sheets (CSS), Code Review, Continuous Integration, Relational Databases, Junit, Python (Programming Language), NumPy, OpenShift, Systems Development Life Cycle, Mockito, Service-Oriented Architecture, Simple Object Access Protocol (SOAP), Software Requirements Analysis, SonarQube, PL-SQL, SQL Databases, TypeScript, RxJS, Modern Ui, Flask (Web Framework), Delivery Pipeline, Pandas, Build Management, Pytest, AngularJS, Material UI, Bitbucket, Tools for Reporting, Teamcity, Software Coding, Restful APIs, Docker, Jenkins, Microservices - **Published:** August 7, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/senior-python-developer-jersey-city-nj-usa-58830766 ## About the Role in performance/maintainability improvements * Contribute to front-end and server-side design discussions * Develop reusable services, UI components, unit tests, and perform code reviews * Collaborate with stakeholders in a highly collaborative environment * Promote agile software development practices * Build highly reliable, scalable, and maintainable applications Tasks * 5+ years of relevant experience * Hands-on Python coding experience * Experience with Pandas, NumPy * REST API development in Python (Flask) * Experience with template engines and Airflow/S3 * Proficiency with Python IDEs (VS Code/PyCharm) * SOA & Microservices using REST/SOAP * Knowledge of cloud-ready apps and deployment pipelines on large-scale clusters * CI/CD experience with Jenkins, TeamCity, SonarQube (or similar) * RDBMS and SQL/PLSQL * Unit testing frameworks (JUnit, Mockito, pytest) * Experience with Jira and Bitbucket * Understanding of SDLC for Agile & Waterfall * Excellent written and oral aaaaaa insight skills * Nice to have: modern UI with Angular v4-7; JavaScript framework concepts (RxJs), TypeScript, SCSS, HTML5; Docker and Kubernetes/OpenShift; BI/Reporting tools; Financial Services domain experience Key requirements * medical, dental & vision coverage * 401(k); life, accident, and disability insurance * wellness programs * paid time off (vacation) * paid holidays * on/off-site benefits information available ## Description Experteer Overview In this role you will design, develop, and support Python-based and full-stack solutions for Citi's SP F&S business, delivering projects on time in a collaborative, agile environment. You will work closely with stakeholders across front-end and server-side components to build reliable, scalable applications and self-service reporting tools. The position offers exposure to high-traceability production systems and opportunities to contribute to maintaining Citi's lead in financial services technology. You will tackle complex problems with analytical insight and drive continuous improvement. Compensation / Benefits * Analyze system requirements and define interfaces between components * Support business users on existing applications * Develop robust Python solutions with hands-on coding * Design and build a self-service reporting tool * Deploy in higher environments via CI/CD pipelines * Analyze problems to prevent rework and schedule slippage * Address bug fixes and performance/maintainability improvements * Contribute to front-end and server-side design discussions * Develop reusable services, UI components, unit tests, and perform code reviews * Collaborate with stakeholders in a highly collaborative environment * Promote agile software development practices * Build highly reliable, scalable, and maintainable applications Tasks * 5+ years of relevant experience * Hands-on Python coding experience * Experience with Pandas, NumPy * REST API development in Python (Flask) * Experience with template engines and Airflow/S3 * Proficiency with Python IDEs (VS Code/PyCharm) * SOA & Microservices using REST/SOAP * Knowledge of cloud-ready apps and deployment pipelines on large-scale clusters * CI/CD experience with Jenkins, TeamCity, SonarQube (or similar) * RDBMS and SQL/PLSQL * Unit testing frameworks (JUnit, Mockito, pytest) * Experience with Jira and Bitbucket * Understanding of SDLC for Agile & Waterfall * Excellent written and oral communication skills * Nice to have: modern UI with Angular v4-7; JavaScript framework concepts (RxJs), TypeScript, SCSS, HTML5; Docker and Kubernetes/OpenShift; BI/Reporting tools; Financial Services domain experience Key requirements * medical, dental & vision coverage * 401(k); life, accident, and disability insurance * wellness programs * paid time off (vacation) * paid holidays * on/off-site benefits information available ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [How to Create New RxJS Operators](https://www.wearedevelopers.com/videos/683-how-to-create-new-rxjs-operators) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Can SVG be fast? 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