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Fiserv

B2B payments and banking technology

Infrastructure Architecture Senior Professional 1

Data EngineeringConfirmed live in the last 24 hours
Full-timeToronto, ON, Canada$92k - $115k

About the Job

Requirements

  • A diploma or degree in Computer Science, Software Engineering, or a similar field.
  • At least 3 years of relevant work experience in data engineering or database-focused roles.
  • Experience in one or more of database administration, data engineering, ETL data loading and ingestion, data classification and normalization, or SQL performance tuning and schema optimization.
  • Experience with database security hardening and implementing best practices, including cross-functional collaboration to promote zero-trust and secure data access.
  • Familiarity with AWS services, including Glue, Lambda, Redshift, DMS, and EKS (Kubernetes).
  • Familiarity with Snowflake and data streaming services such as MSK, Kafka, and Confluent.
  • Strong analytical and problem-solving skills, with a proactive approach to improving systems and processes.
  • Excellent communication skills and the ability to explain technical concepts and collaborate across business and technical teams.

Responsibilities

  • Lead and support MySQL database design and optimization to enable platform growth and scalability.
  • Drive schema design and improvements, balancing tactical needs with long-term architectural strategy to support enterprise data warehouses and operational data consumers.
  • Collaborate with application and feature development teams to optimize database schemas and SQL queries before production releases.
  • Own and support ETL pipelines and data lake management to ensure reliable and efficient data ingestion and processing.
  • Contribute to and support database migration initiatives, including migrations from MySQL to PostgreSQL.
  • Support and enhance ETL ingestion scripts.
  • Proactively identify opportunities to improve platform stability, performance, and data resiliency.
  • Analyze system incidents, perform root cause analysis, and manage recovery efforts to restore services rapidly without data loss.
  • Provide technical leadership and people management, including mentoring and managing a small team of data engineers.
  • Maintain attention to detail to ensure data quality and operational excellence in daily activities.

Desired Qualifications

  • Experience with MySQL-to-PostgreSQL migrations is strongly preferred.
  • Python experience is considered a strong asset.
  • Experience with Linux system administration, web servers, and networking is an asset.
  • Curiosity about technical trends and a willingness to learn and recommend appropriate tools and approaches.

About the Company

Fiserv

B2B payments and banking technology

Fiserv provides financial technology and services to banks, credit unions, merchants, and other financial firms, spanning payments, core banking, and digital networks. Its products work by licensing software, processing transactions, and delivering professional services that let clients manage accounts, merchant transactions, and digital payments through integrated systems. It stands apart as an end-to-end supplier that combines core banking, payments, merchant acquiring, and networks under one roof, enabling cross-sell opportunities and growth through acquisitions. Its goal is to help financial institutions and merchants run large-scale payments and banking operations more efficiently with a comprehensive, integrated technology stack.

Company size
10,001+
Company stage
IPO
Headquarters
Milwaukee, WI
Founded
1984

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