Resume
Fermin Quant
Senior Software Engineer with 15+ years delivering scalable cloud systems, backend platforms, data systems, and consulting-facing technical work. Strong in Python/Django, AWS serverless architectures, Redis/ElastiCache platform caching, Infrastructure as Code, CI/CD modernization, TypeScript/Node.js, C#/.NET, SQL, enterprise delivery, and recent open-source agent tooling contributions.
Hiring for a specific role? Match a job description against the case studies and skill pages on this site.
- Based in
- Ottawa, ON, Canada
- Experience
- 15+ years
- Certifications
- AWS · Azure
- Open to
- Senior backend, Python/Django, cloud, platform, agent tooling
- Updated
- June 2026
Focus
Where the resume connects to deeper evidence.
Each focus area points to the strongest public case study or skill context available today.
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Python/Django backend systems
Current production backend work covering API behavior, integrations, data access, and release-safe application changes.
Open the Python/Django skill area Open the Django query-plan case study -
Redis/ElastiCache platform caching
Shared cache infrastructure, service-scoped credentials, keyspace boundaries, Lambda configuration, and app migrations.
Open the Redis/ElastiCache case study -
Open-source agent tooling
OpenClaw contributions across agent/runtime diagnostics, Gateway behavior, cron/session handling, and CLI reliability.
Open the contribution summary -
Backend APIs and platform services
Workflow rules, contract design, structured failures, and implementation reasoning.
Open the API case study -
AWS serverless architecture
Multi-region microservices, delivery patterns, authentication, and platform migration.
Open the CDK/serverless case study -
Operational debugging
Queue backlog and latency-breach debugging from depth, age, correlated traces, and runbook output.
Open the backlog observability case study -
Infrastructure as Code and CI/CD
Reusable CDK constructs, trunk-based delivery, and build modernization.
Open the CI/CD case study -
Architecture communication and technical leadership
Platform decisions, cross-team adoption, support boundaries, and stakeholder-ready tradeoffs.
Open the platform decision case study -
C#/.NET and SQL modernization
Enterprise REST APIs, metadata-driven platforms, refactoring, and testing improvements.
Open C#/.NET skill area
Experience
Professional timeline
Most recent first. Each role keeps client-sensitive details out of the public copy and stays at the architecture and delivery level.
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Senior Software Engineer
EPI-USE
Cloud, backend, Python/Django application work, infrastructure, and consulting-facing delivery across AWS serverless systems, Redis/ElastiCache platform caching, authentication, CI/CD, and platform modernization.
- Built and maintained Python/Django backend application work in production consulting delivery, including API behavior, integrations, data access, and release-safe changes. Open the Python/Django skill area →
- Architected and built multi-region serverless microservices using AWS Lambda, API Gateway, AppSync, DynamoDB, RDS Serverless, S3, SQS/SNS, Cognito, ECS, and CodeBuild. Open the CDK/serverless case study →
- Led reusable AWS CDK construct work in TypeScript and Go, helping teams deploy standardized cloud patterns without deep AWS expertise. Open the CDK/serverless case study →
- Built Redis/ElastiCache Serverless platform patterns for shared cache infrastructure, generated service credentials, keyspace-scoped access, Lambda connection settings, and downstream app migrations. Open the Redis/ElastiCache case study →
- Drove trunk-based development and automated CI/CD pipelines with AWS CodeBuild and GitHub, reducing release cycles from weeks to days. Open the CI/CD case study →
- Designed and implemented secure SSO migration from AWS Cognito to Okta with impersonation support for multi-region operation.
- Supported infrastructure and operational migrations involving Nutanix, vSphere, Rubrik, and GraphQL APIs while maintaining continuity.
- Near-zero downtime goals for multi-region enterprise systems.
- Faster release cycles through delivery modernization.
- More consistent cloud deployments through reusable IaC patterns.
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Senior Software Engineer
Ceridian HCM Inc.
Enterprise SaaS engineering across C#/.NET APIs, SQL Server, application frameworks, frontend-integrated workflows, and cross-team modernization.
- Designed and delivered a metadata application framework in C#/.NET for rapid customer-specific customization.
- Built and optimized RESTful APIs and backend services using C#/.NET and SQL Server for enterprise-scale HCM workflows. Open the REST API case study →
- Supported user-facing workflows from the backend/API side, coordinating with frontend developers on React and JavaScript application behavior.
- Partnered with architecture teams to adapt APIs for event-driven architecture and search functionality.
- Led refactoring and testing improvements across more than five coordinating scrum teams.
- Reduced customer-specific feature delivery time from months to days.
- Improved build performance and long-term maintainability across shared codebases.
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Senior Backend Developer Team Lead
Beyond 20/20
Backend modernization, team leadership, release improvement, testing, and SQL Server architecture for customer-facing data products.
- Led modernization from a tightly coupled monolith to modular C#/.NET and SQL Server architecture.
- Built internal automation and data tooling for SQL Server, SSIS workflows, database versioning, and customer configuration releases.
- Refactored C# and SQL codebases and introduced stronger unit and integration testing practices.
- Mentored junior developers and improved Agile delivery practices across backend and data teams.
- Cut new customer implementation time by 67%.
- Decreased maintenance effort by 75%.
- Reduced bug frequency and severity by over 60%.
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Senior SQL Developer
Beyond 20/20
SQL Server, ETL, reporting, database versioning, and performance optimization for analytics and customer delivery systems.
- Optimized SQL queries, ETL pipelines, C# backend code, and ASP.NET frontend performance.
- Developed and maintained SSAS cubes, SSRS reports, and internal data aggregation tools.
- Supported stable customer releases through database versioning, ETL automation, and production SQL Server practices.
- Improved response times across database, backend, and frontend layers.
- Strengthened release stability for customer-facing data systems.
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Data Warehouse Architect
Millicom International Cellular
Enterprise data warehouse architecture, Oracle PL/SQL, ETL design, reporting modernization, and cross-functional data product leadership.
- Directed enterprise data warehouse architecture, ETL development, and performance optimization.
- Built data products including a C#/.NET reporting application and R-based machine learning models.
- Mentored cross-functional teams and improved reporting processes across engineering, business, and executive stakeholders.
- Reduced ad-hoc reporting by 95%.
- Increased data product adoption by 200%.
- Improved predictive accuracy by 20 percentage points.
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Data Warehouse Programmer
Millicom International Cellular
Core ETL pipelines, data models, reporting foundations, and business intelligence systems supporting company-wide stakeholders.
- Developed core ETL pipelines and data models that became the foundation of company-wide business intelligence.
- Supported reporting and analytics needs for engineering, business, and executive teams.
- Built the data engineering base that later supported broader architecture and data product leadership work.
- Established durable data foundations for enterprise reporting.
- Supported business intelligence adoption across multiple stakeholder groups.
Credentials
Certifications
Active and historical AWS and Azure certifications. AWS Database Specialty is retained as a past specialty credential.
- AWS Certified DevOps Engineer - Professional
- AWS Certified Database - Specialty
- AWS Certified Developer - Associate
- AWS Certified Cloud Practitioner
- Microsoft Certified Azure AI Engineer
- Microsoft Certified Azure Fundamentals
Skill map
Skills by category
A flat reference for the resume. The skills page goes deeper into specific capabilities and where evidence is available.
Security & Identity
1 skills
- Authentication, SSO, and IAM-oriented systems
Cloud & Architecture
2 skills
- AWS serverless architecture
- Redis and ElastiCache platform caching
Backend & APIs
4 skills
- Backend APIs
- C#/.NET backend systems
- Python and Django backend systems
- TypeScript and Node.js services
DevOps & Delivery
1 skills
- CI/CD and delivery modernization
Cloud & DevOps
1 skills
- Infrastructure as Code with AWS CDK
Developer Tooling & AI
1 skills
- Open-source agent tooling and developer workflows
Data Engineering
1 skills
- SQL, ETL, and data warehousing
Consulting & Leadership
1 skills
- Technical consulting and architecture communication
Education
Education
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Master of Business Administration, Information Technology Management
UNITEC · Magna Cum Laude · 2013
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Engineering Degree, Computer Science Engineering
UNITEC · Cum Laude · 2010