We are looking for a seasoned Senior Developer & Tech Lead who is passionate in writing clean and efficient code, building scalable systems, driving engineering excellence, and leading a team of talented developers in a fast-paced, Agile environment. This role is ideal for developers with deep hands-on experience in Java and Apache Spark, combined with a strong foundation in object-oriented design principles. **Responsibilities:** + Perform detailed impact analysis for code changes with understanding of dependencies across the application components + Design and develop scalable, high-performance code using Java and Bigdata / Apache Spark + Write high-quality, maintainable code that is modular, testable, and adheres to SOLID principles and industry-standard design patterns + Write robust unit tests using JUnit, with a focus on code coverage, business logic, readability and reusability + Perform and lead code reviews to ensure the code follows clean design / architecture and best engineering practices + Create an environment of ownership and accountability, where quality and collaboration are core values + Lead and mentor a group of developers and guiding them through technical challenges + Work in a cross-functional Agile team, participating in daily stand-ups, sprint planning, retrospectives, and backlog grooming + Translate user stories into technical tasks and drive timely, high-quality delivery of solutions + Collaborate closely with Architects, Quality Engineers, DevOps, and Product owners to deliver high-quality code at speed **Qualifications:** + 8+ years of development experience with hands-on experience in Java, Bigdata / Apache Spark, object-oriented programming (OOP) + Experience with REST APIs, RDBMS database, and Kafka messaging systems + Exposure to microservices architecture and containerization tools (Docker, Kubernetes) + Proven experience leading teams and mentoring developers in a fast-paced development environment + Strong understanding of software development lifecycle (SDLC) and Agile methodologies + Excellent problem-solving skills and ability to think critically under pressure + Excellent communication skills and ability to work effectively in cross-functional teams **Education:** + Bachelor's degree/University degree or equivalent experience + Master’s degree preferred ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Applications Development ------------------------------------------------------ **Time Type:** Full time ------------------------------------------------------ _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.