Senior Back-end Developer

Flinks; Montreal; On-site; CAD 90,000 - 120,000; Full time

Job summary

A leading company in financial innovation seeks a Senior C# / .NET Developer to enhance its data infrastructure. This role involves leading application development, solving complex problems, and mentoring junior developers. Candidates should have extensive experience with C#, .NET, and cloud technologies like GCP. Join a dynamic team and contribute to shaping the future of fintech.

Qualifications

• 7+ years of experience as a software developer.
• Proficient in C# and .NET with strong backend or full-stack skills.
• Experience in test-driven development and high-quality software.

Responsibilities

• Lead the development of key applications and ensure system performance.
• Design and build scalable, reliable, secure systems.
• Mentor junior developers and improve system performance.

Skills

C#

.NET

Microservices

Cloud Solutions

Problem solving

Web Security

Tools

GCP

Docker

Kubernetes

Job description

Flinks drives and empowers financial innovation by pushing the limits of what's possible

As one of the trailblazers and advocates for open finance in Canada, Flinks has rapidly grown from its founding in 2016 to become a leader in financial data aggregation, data enrichment, and open banking.

Trusted by millions of individuals accessing financial services at world-class companies and serving innovators in lending, fintech, digital banking, asset management and insurance, Flinks is continually setting new benchmarks for the future of financial innovation. We’re dedicated to continuing to provide our clients with the tools they need to stay ahead of the competition and drive innovation forward. That’s where you come in.

About the Team

As a Senior C# / .NET Developer, you’ll be working on the core systems that power Flinks’ data infrastructure. You’ll have the chance to dive into complex problems, own solutions, and drive the development of scalable and secure applications. You’ll have a direct impact on the way we innovate and support the fintech industry.

What You’ll Do

• Lead the development of key applications, from architecture through to deployment, making sure everything runs smoothly and performs well.
• Design and build scalable, reliable, and secure systems—whether you’re working on backend services or contributing across the full stack.
• Own the technical solutions to complex problems, ensuring we deliver on time while pushing innovation.
• Develop cloud-native solutions using GCP, leveraging cloud infrastructure to optimize performance and security.
• Collaborate with product, design, and engineering teams to ensure backend services integrate smoothly with frontend interfaces (for full-stack).
• Mentor junior developers, contribute to technical discussions, and help foster a collaborative, growth-driven environment.
• Continuously look for ways to improve performance, solve bottlenecks, and fine-tune our systems and processes.
• 7+ years of experience as a software developer
• Proficient in C# and the .NET framework, with solid experience in backend architecture and / or full-stack application development.
• Hands-on experience with microservices and high scale systems
• Experience designing and building scalable systems with GCP and containers
• Experience with Docker, Kubernetes, or similar containerization technologies.
• Experienced in test driven development and building high quality software
• Excellent understanding of web security and diverse authentication mechanisms like OAuth
• Hands-on experience building and maintaining web scraper systems
• Hands-on experience writing performant, concurrent applications in Go, ideally for data extraction, backend services, or automation tasks.
• Proven use of AI technologies to boost developer productivity
• A natural problem-solver who’s proactive and loves finding and fixing complex issues.
• A proven track record of designing scalable, secure systems and ensuring top-notch performance.
• Strong communication skills—you’ll be leading discussions and mentoring team members.
• Proven ability to build and maintain web scrapers, handling challenges like dynamic content, CAPTCHAs, and bot protection measures.

Nice to haves :

• Experience handling scraping challenges like CAPTCHAs and bot protection
• Experience with frontend frameworks like Angular

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Senior Backend Developer • Montreal, QC, CA