**About Citi:** Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services. Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together. **Overview of the Role:** The **_Issuer Services Application Development and Data Manager_** is a critical senior management position, primarily focused on people leadership and organizational effectiveness. This role bears the responsibility for accomplishing significant results through the diligent management, mentorship, and development of a high-caliber team or an entire department dedicated to application systems. The fundamental purpose is to orchestrate the successful establishment, implementation, and enhancement of new or revised application systems and programs, working in close collaboration and strategic partnership with the wider Technology Team. The ultimate objective extends beyond just technical delivery; it is to cultivate an environment that empowers teams, fosters innovation, and streamlines applications systems analysis and programming activities to achieve peak performance and deliver consistent, high-quality software solutions that directly support business objectives. This manager acts as a vital enabler, fostering growth, resolving complex team dynamics, and ensuring the collective success of their people. **Responsibilities:** **Data Engineering & Development** + Build, and optimize ETL workflows to handle large, complex datasets from multiple financial platforms. + Lead migration of structured and unstructured datasets into HDFS/Hadoop-based ecosystems, ensuring high performance and fault tolerance. + Leverage Banzai orchestration frameworks for job scheduling, monitoring, and recovery across complex workflows. + Develop scalable data ingestion solutions for batch and near real-time processing using Spark, Hive, Impala, or similar tools. + Write efficient Python/Scala/SQL code for data manipulation, enrichment, and validation. + Partner with governance teams to ensure all data movement and transformations adhere to legal, risk, and privacy requirements. + Troubleshoot complex performance bottlenecks in ETL and Hadoop clusters. **Leadership & Collaboration** + Act as a technical lead for a small team of data engineers, reviewing code, enforcing standards, and mentoring team members. + Partner with product owners, architects, compliance, and operations teams to align data delivery with business and regulatory requirements. + Contribute to data platform modernization initiatives, including migration to cloud-native and containerized ecosystems. **Qualifications:** + **10+ years** of relevant experience in **Software Development** or **other related technical roles** . + **Proven leadership and team management experience** , including mentoring, performance management, and fostering a high-performing engineering culture. + **Demonstrated ability to define, drive, and execute technical strategy** , fostering innovation and continuous improvement within development teams. + Expert familiarity with the **Software Development lifecycle (SDLC)** and general technical concepts, sufficient to effectively manage technical teams and understand their challenges, with direct hands-on technical expertise. + Strong technical background, including hands-on experience and architectural understanding in several of the following areas: + **System Design & Architecture:** Demonstrated ability to lead complex distributed system design efforts, evaluate architectural trade-offs (scalability, resilience, security, cost-efficiency), and guide technical teams in building robust, performant, and secure enterprise-grade applications, particularly in the big data domain. + **Apache Spark & PySpark:** Deep understanding of **Spark's Core Concepts** ( **RDDs** , **DataFrames** , **Datasets** ), **Internals (Catalyst, Tungsten)** , Performance Tuning, troubleshooting, and best practices for building production-grade PySpark applications. Experience with Spark Streaming/Structured Streaming is highly valued. + **Cloud Platforms:** Extensive experience with at least one major cloud provider (e.g., **AWS** , **Azure** , **Google Cloud Platform** ), demonstrating strong understanding of **IaaS** , **PaaS** , and **FaaS offerings** , **Managed Services** ( **Databases** , **Messaging Queues** ), and **Cloud-Native Development Patterns** for data pipelines. + **Programming Languages:** Proficiency and leadership experience in modern programming languages such as **Python for Data Engineering** and general software development; **strong command of PySpark** . + **Microservices Architecture:** Deep understanding of **Microservices Design** principles, including **Domain-Driven Design** , **Inter-service Communication** ( **REST** , **gRPC** , **Kafka** ), **Data Consistency Patterns** ( **Saga** ), **API gateways** , and **Service Mesh** technologies. + **DevOps & MLOps Practices:** Solid expertise in implementing and promoting DevOps/MLOps culture and practices, including **Continuous Integration/Continuous Delivery (CI/CD) pipelines** (e.g., **Jenkins** , **GitLab CI** , **GitHub Actions** , **Azure DevOps** ), **Infrastructure as code (IaC)** **tools** (e.g., **Terraform** , **Ansible** ), **Containerization** ( **Docker** , **Kubernetes** ), **Monitoring** and **Logging Solutions** (e.g., **Prometheus** , **Grafana** , **ELK stack** ), and **Automated Testing** strategies. + **Database Technologies:** Experience with both **Relational** (e.g., **PostgreSQL** , **MySQL** , **Oracle** ) and **NoSQL** **databases** (e.g., **MongoDB** , **Cassandra** , **Redis** ), including **Data Modeling** , **Optimization** , and **Scaling** strategies. + **Exceptional communication skills** , with a proven ability to articulate complex technical concepts, architectural decisions, and strategic roadmaps clearly and concisely to diverse stakeholders (technical and non-technical). **Education:** Bachelor’s degree/University degree in **Computer Science** , **Engineering** , or a related technical field or equivalent experience. Master’s degree preferred. ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Applications Development ------------------------------------------------------ **Time Type:** Full time ------------------------------------------------------ **Primary Location Full Time Salary Range:** $145,100.00 - $217,700.00 ------------------------------------------------------ **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 (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi’s_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.