.Net Full-Stack Developer - Payment Applications Development

KORT Payments; Toronto; Hybrid; CAD 85,000 - 110,000; Full time

Job summary

A leading payment solutions company is seeking a Full-Stack Developer to build scalable payment applications. The role focuses on developing both backend and frontend systems using .NET and modern frameworks like React or Angular. A successful candidate will have over 5 years of experience, strong AWS expertise, and collaboration skills. This position offers flexibility in location, either in Toronto or remote within Canada, along with a comprehensive benefits package and a culture that promotes continuous learning and teamwork.

Benefits

Comprehensive benefits package including health, dental, and vision plans.

Flexible and inclusive work environment with a focus on work-life balance.

Fun events, from team-building activities to company-wide celebrations.

Professional growth through ongoing learning opportunities.

A dynamic environment that values contributions.

Qualifications

• 5+ years of hands-on software engineering experience in full-stack development.
• Proven experience with AWS, including serverless architecture and microservices.
• Strong understanding of RESTful APIs and relational databases.

Responsibilities

• Design, develop, and maintain scalable backend and frontend systems using .NET.
• Build and optimize APIs and microservices for payment applications.
• Collaborate effectively with stakeholders and provide technical solutions.

Skills

.NET/C#

ASP.NET Core

React

Angular

Blazor

AWS

RESTful APIs

NoSQL databases

CI/CD

Agile methodologies

Education

Bachelor’s or Master’s degree in Computer Science, Engineering or equivalent

Tools

AWS services (Lambda, ECS, RDS, DynamoDB, S3)

GitHub Actions

Terraform

Job description

.Net Full-Stack Developer - Payment Applications Development

As a Full-Stack Developer, you will play a critical role in building scalable, secure, and high-performing payment applications. You’ll work hands-on across backend and frontend systems, collaborating closely with Product, QA, and Architecture teams to deliver innovative solutions. With a strong emphasis on Microsoft technologies and AWS infrastructure, you’ll help drive excellence across our platform.

Who We Are

Welcome to KORT Payments, where innovation meets excellence! We specialize in providing a state-of-the-art omnichannel payments platform designed to make business transactions a breeze.

Our mission? To empower businesses with top-notch capabilities in compliance, risk management, and payment processing. Our trailblazing, enterprise-grade platform, coupled with a veteran management team, ensures we stay ahead of the curve in delivering unparalleled service and satisfaction.

As we expand our presence in the U.S. market, we're excited to bring our proven solutions and innovative approach to new industries, while continuing to operate under the KORT Payments banner alongside Merrco, Payfirma, and Barnet.

Location: Toronto or remote within Canada

What You Will Be Doing

As a Full-Stack Developer, you will:

• Design, develop, and maintain scalable backend and frontend systems using .NET (C#), ASP.NET Core, and modern frontend frameworks such as React, Angular, or Blazor.
• Build and optimize robust APIs and microservices to support our payment application ecosystem.
• Translate business requirements into production‑ready, maintainable solutions in collaboration with Product, QA, and Architecture teams.
• Contribute to sprint planning, estimation, retrospectives, and technical delivery to ensure timely, high-quality outcomes.
• Write clean, testable, and maintainable code with a strong focus on performance and security.
• Design and deploy cloud-native solutions leveraging AWS services such as Lambda, ECS, RDS, DynamoDB, and S3.
• Implement CI/CD automation, infrastructure as code, and modern DevOps practices using tools such as AWS CloudFormation, Terraform, or GitHub Actions.
• Participate in code reviews, provide constructive feedback, and contribute to continuous improvement across the codebase.
• Collaborate effectively with stakeholders, ensuring clear communication and alignment on technical solutions.
• Embrace Agile methodologies, continuous learning, and improvement as part of your daily work.

What We’re Looking For

• Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent experience.
• 5+ years of hands‑on software engineering experience in full‑stack development.
• Expertise in .NET/C# and ASP.NET Core, with practical experience in front‑end frameworks like React, Angular, or Blazor.
• Proven experience with AWS, including serverless architecture and microservices.
• Familiarity with payment gateways, international payment rails, or crypto/blockchain integrations (a strong plus).
• Strong understanding of RESTful APIs, OAuth, and relational/NoSQL databases (SQL Server, DynamoDB).
• Advocate for CI/CD, automated testing, and Agile practices.
• Excellent collaboration and communication skills with both technical and non‑technical stakeholders.

Life at KORT Payments

We pride ourselves on cultivating an inspired culture characterized by customer‑centricity, commitment, respect, and agility. Our high‑growth environment promotes a supportive and collaborative atmosphere, fostering a growth mindset, intellectual curiosity, entrepreneurial spirit, and teamwork.

Our leadership team is experienced and passionate about payments, taking pride in their achievements and the unique value they bring to the industry.

At KORT Payments, we believe work should be fulfilling and fun! Here’s a peek into what life with us is like:

Culture

• Fearlessness: Encourage continuous learning, innovation, taking chances, and pushing boundaries.
• Accountability: Take ownership and be accountable to yourself, the company, partners, and clients.
• Collaboration: Leverage diverse perspectives and work as a team to get the job done.
• Transparency: Empower success through open communication, honesty, and inclusion.

Perks and Benefits

• Comprehensive benefits package including health, dental, and vision plans.
• Flexible and inclusive work environment with a focus on work‑life balance.
• Fun events, from team‑building activities to company‑wide celebrations.
• Professional growth through ongoing learning opportunities and new challenges.
• A dynamic environment where your contributions are valued and your potential is unleashed.

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