Senior Database Architect to support the design, optimization, and performance tuning of highly available, distributed database systems supporting mission-
S.i. Systems
Toronto, ON-
Number of positions available : 1
- Salary To be discussed
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Contract job
- Published on December 15th, 2025
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Starting date : 1 position to fill as soon as possible
Description
Our client is seeking an experienced Database Architect to support the design, optimization, and performance tuning of highly available, distributed database systems supporting mission-critical payment platforms. The successful candidate will work closely with application architects, engineering teams, and platform stakeholders to ensure scalable, resilient, and high-performance data solutions aligned with modern microservices architectures.
Work Mode - Remote
Duration - Initially 3 months plus a 3 months extension
Must Haves
5+ years of experience across database development, data modeling, data architecture, DBA, and solution architecture
Strong proficiency in SQL, CockroachDB, and PostgreSQL
Proven expertise in performance tuning for distributed and high-volume systems
Solid understanding of microservices architecture, Spring Boot, and transaction isolation levels
Experience with ETL processes, data warehousing, and data integration best practices
Requirements
undetermined
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undetermined
undetermined
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