Lead PySpark Developer at Citi

Citi

📍 mississauga, peel region, Canada

Full-time IT & Technology Posted June 11, 2026

Job Description

Become a Lead PySpark Big Data Developer at Citi, working in a high-autonomy environment to maximize the impact of your technical skills while mentoring others.
Citi seeks an experienced Senior Developer to tackle complex big data projects with a focus on AI integration. After 6+ years of experience, you will design and implement data solutions, optimize pipelines, and engage in mentorship within small, focused teams. Your role will heavily involve managing collective challenges and leveraging cutting-edge technologies.
Key Responsibilities:
• Drive the design and deployment of big data architectures
• Mentor and guide junior team members effectively
• Develop and optimize data ingestion pipelines using PySpark
• Implement streaming solutions with Apache Kafka
• Advocate for high-quality software development practices
Requirements:
• Minimum of 6 years as a Big Data Developer
• Mastery in Python along with PySpark
• Extensive experience in SQL and data ...