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Added 6 mins ago
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Data Architect
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Junior Software Developer (Oracle EBS)
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Contract
Job Title: Junior Software Developer (Oracle EBS)

Fiserv

Infrastructure Architecture - Senior Professional I

Toronto, ON, Canada

Pay: $92,000.00-$115,000.00
Job type: Full-time
Apply by: Sep 23, 2026
Experience: · 3+ years of relevant work experience in data engineering or database-focused roles.
Posting language: English
Posted: Sep 21, 2026

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Original job description

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Infrastructure Architecture - Senior Professional I

About your role:

As an Infrastructure Architecture - Sr Professional I, you will play a vital role in developing and implementing infrastructure strategies that align with Fiserv's business objectives. Your expertise will contribute to the robustness, scalability, and security of our infrastructure systems. You will collaborate with cross-functional teams to design and deploy architecture solutions that meet the evolving needs of the financial services industry.

Responsibilities and Duties

· 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 warehouse

· Operational data consumers

· Collaborate closely with application and feature development teams to optimize database schemas and SQL queries prior to 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 (strongly preferred).

· Support and enhance ETL ingestion scripts, with Python experience considered a strong asset.

· Proactively identify opportunities to improve platform stability, performance, and data resiliency.

· Analyze system incidents, perform root cause analysis, and manage recovery efforts to ensure rapid restoration of services without data loss.

· Provide technical leadership and people management, including mentoring and managing a small team of data engineers.

· Maintain a high level of attention to detail, ensuring data quality and operational excellence in daily activities.

Qualifications and Skills

· Diploma / Degree in Computer Science, Software Engineering or similar

· 3+ years of relevant work experience in data engineering or database-focused roles.

· Demonstrated experience in one or more of the following areas:

o Database administration

o Data engineering

o ETL data loading and ingestion

o Data classification and normalization

o SQL performance tuning and schema optimization

· Experience with database security hardening and implementing best practices, including collaboration with cross-functional teams 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 (MSK, Kafka, Confluent).

· Experience with Linux system administration, web servers, and networking is an asset.

· Strong analytical and problem-solving skills, with a proactive mindset for improving systems and processes.

· A deep curiosity and passion for learning, staying current with technical trends, and recommending appropriate tools and approaches.

· Excellent communication skills, with the ability to clearly explain technical concepts and collaborate effectively across business and technical teams.

Salary Range:

$92,000.00-$115,000.00

Thank you for considering employment with Fiserv. Please:

Apply using your legal name
Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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More about this job

Responsibilities

You will lead infrastructure architecture strategies, focusing on MySQL database design, optimization, and the management of ETL pipelines. Additionally, you will provide technical leadership and mentorship to a team of data engineers while ensuring platform stability and data resiliency.

Requirements

Candidates must possess a degree in Computer Science or Software Engineering with at least 3 years of experience in data engineering or database roles. Proficiency in database administration, SQL performance tuning, and familiarity with AWS services and Linux administration is required.

Skills

MySQL
PostgreSQL
Data Engineering
ETL
Python
Database Administration
SQL Performance Tuning
Schema Optimization
AWS
Data Lake
Linux
Networking
Data Resiliency
Kubernetes
Snowflake
Kafka

Visa sponsorship

Not detected in the job text

Keywords

Infrastructure Architecture
MySQL
PostgreSQL
Data Engineering
ETL
Data Lake
Python
AWS
Glue
Lambda
Redshift
DMS
EKS
Kubernetes
Snowflake
Kafka
MSK
Confluent
Linux
Database Administration
SQL
Schema Design
Data Resiliency
Zero-trust
Networking
Fintech
Payments
Root Cause Analysis
Data Ingestion
Data Classification

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