Senior Database Developer

About Us 

Felix Payment Systems is a growing fintech start-up located in downtown Vancouver. We have created the world’s first 100% cloud-based payment terminal. Felix is leading the charge in the disruption of the payments industry. Our technology transforms consumer-grade devices into secure portable payment terminals using no additional hardware.
At Felix, we pride ourselves on being innovators in technology, and we are always pushing the boundaries to create world-leading products. Our office is situated in the heart of downtown Vancouver where we embrace a hybrid work model valuing time together in the office balanced with working from home. 

Role Overview 

As a Senior Database Developer, you will play a key role in developing, testing, improving and maintaining new and existing databases for our cloud payments platform. You will deliver scalable, high-quality solutions that will drive our business forward. Your work will directly impact contactless card transactions in real-world environments, improving payment experiences for businesses and their customers.

Key Responsibilities 

• Manage core payment databases and maintain application data models 

• Design, build, and maintain optimized queries, stored procedures, indexes and other database artifacts 

• Build and deploy in our high performant cloud environment 

• Develop and maintain database applications in our core transaction engine and associated services 

• Align our solution to PCI DSS and PCI MPoC requirements 

• Champion and leverage AI in all aspects of the software development lifecycle 

• Collaborate with cross-functional teams to ensure high availability and performance 

• Support strong monitoring and alerts across our solution  

• Mentor other developers while demonstrating high-quality coding standards 

• Assist our product team with requirements, user stories, estimates and work plans 

• Design, develop, and unit test applications in accordance with established standards 

Qualifications 

• Degree in Computer Science, Software Engineering, or equivalent experience 

• 5+ years of experience maintaining application data models and SQL code  

• 3+ years of maintaining, optimizing and evolving database infrastructure 

• 5+ years of developing with C++, Java, or other high-performance languages 

• 2+ years using AI in day-to-day development and maintenance tasks 

• Experience across multiple database platforms (SQL Server, Postgres, others) 

• Skill in performance profiling and optimizing high-volume transactions 

• Hands on experience with DevOps and CI/CD 

• Hands-on experience with AWS, GCP, or Azure DevOps pipelines 

• Strong understanding of microservices and container orchestration (Docker, Kubernetes) 

• Strong grasp of OOD and OOP having refactored complex systems in the past 

• Demonstrated ability to mentor and guide junior developers, fostering a collaborative and learning-focused environment  

• Security-first approach to design and implementation 

• Experience deploying enterprise-grade software in regulated environments 

Nice to Have 

• Familiarity with PCI-DSS compliance and secure payment transactions 

• Experience with message broker and caching services: eg. RabbitMQ, Redis 

• Knowledge of monitoring tools: Grafana or ELK Stack 
  

Why Felix?

• Time off: 3 weeks of vacation annually plus 6 paid personal days to prioritize your well-being.
• Comprehensive benefits: Dental, vision and extended health coverage to keep you healthy.
• Hybrid flexibility: Enjoy the best of both worlds with 3 days on-site for collaboration and 2 days remote for focus and balance.
• Team bonding: Regular team events, celebrations and activities.
• Daily perks: Snacks and drinks to keep you energized throughout the day.
• A supportive environment: Join a close-knit team where your ideas matter, and your work shapes the future of payments. 

If this sounds like a great fit for you, we’d love to hear from you! Apply now and take the first step toward an exciting career with Felix. 

At Felix Payment Systems, we are proud to be an equal opportunity employer committed to building a diverse and inclusive environment. We believe that a commitment to diversity and inclusion enables our employees to reach their full potential. Everyone is welcome, and we strongly encourage applications from candidates of all backgrounds, experience, perspectives regardless of race, gender, sexual orientation, marital status, age, citizenship, disability, and national origin.