As a Lead Java, Spark and Big Data Engineer, you will architect and deliver large-scale, distributed technology solutions that process massive volumes of data for one of the world's largest financial institutions. Working within Citi's global technology organization, you will shape architecture decisions, build high-performance applications using Java and Apache Spark, and guide software delivery from design through production. This hands-on leadership role offers the opportunity to influence technology strategy and solve complex engineering challenges that support critical business functions worldwide.
Responsibilities
- Lead the architecture, design, and development of large-scale, high-performance applications using Java, Apache Spark, and Big Data technologies.
- Shape technical strategy and influence architecture decisions across multiple platforms and applications.
- Drive modernization initiatives that advance cloud-ready architectures, microservices transformation, and engineering automation.
- Design distributed data processing solutions that handle high-volume, high-velocity datasets.
- Build scalable APIs, microservices, and event-driven solutions that support enterprise-wide platforms.
- Own end-to-end software delivery from solution design through production deployment and ongoing support.
- Strengthen performance, reliability, and operational stability by implementing CI/CD pipelines, automated testing, and rigorous code and design reviews.
- Mentor engineers and collaborate with architects, product owners, and global technology partners to advance engineering standards and adopt emerging technologies.
Required Qualifications & Skills
- 13+ years of software engineering experience, including deep expertise in enterprise-scale Java application development.
- Hands-on proficiency in Core Java (8, 11, or 17+), Apache Spark, distributed computing, and large-scale data processing.
- Working knowledge of microservices architecture and RESTful API design for enterprise platforms.
- Solid grounding in software design patterns, object-oriented design, and scalable architecture practices.
- Skilled in SQL and database performance tuning for high-throughput systems.
- Familiarity with Git, JIRA, Confluence, and CI/CD platforms within modern software development lifecycle processes.
- Ability to lead complex technical initiatives, influence engineering decisions, and communicate effectively with stakeholders.
Beneficial Skills & Qualifications
- Exposure to Big Data ecosystem tools such as Hadoop, Hive, HBase, or Kafka.
- Hands-on experience with public cloud platforms such as AWS, GCP, or Azure.
- Knowledge of containerization and orchestration tools such as Docker and Kubernetes.
- Experience with event-driven architecture and streaming technologies.
- Background in financial services, capital markets, or other regulated industries.
What We Offer
Join a global technology organization that powers financial services for clients around the world, with the scale and resources to match your ambitions.
- Contribute to large-scale systems that support critical business functions for clients across the globe.
- Shape architecture decisions and long-term technology strategy at enterprise scale.
- Collaborate with experienced engineers and technology leaders to solve complex data and engineering challenges.
- Work a hybrid schedule with three days in the office and two days working remotely.
- Build long-term financial wellbeing through competitive compensation and development opportunities that support career growth.
Apply today to lead the engineering of Citi's next-generation data platforms and make a lasting impact at global scale.
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Job Family Group: Technology------------------------------------------------------
Job Family:Applications Development------------------------------------------------------
Time Type:Full time------------------------------------------------------
Most Relevant Skills Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
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