Senior C# .NET API / Back-End Developer within payments, financial services, or banking Batch Processing environments

Senior .NET API / Back-End Developer within payments, financial services, or banking batch processing environments

Contract Length: 3-month contract with a strong likelihood of long-term renewal

Work Location: Canada (Remote)

Work Time Zone: Pacific Time (PT)

Minimum travel is expected once 1 - 2 days every 1-2 months and is client funded.

We are seeking a Senior .NET API / Back-End Developer to support a high-profile engagement. This opportunity supports an approved project with strong potential for long-term extension and future growth.

The successful candidate will be responsible for developing and maintaining enterprise-scale backend services, APIs, business rules, batch processing solutions, and reconciliation functionality within a complex and highly integrated environment.

WHAT YOU'LL DO

• Design, develop, and maintain scalable .NET backend applications and APIs

• Build and support RESTful services and enterprise integrations

• Develop and maintain business rules and application logic

• Design and optimize batch processing jobs and workflows

• Create and support reconciliation processes to ensure data accuracy and integrity

• Collaborate with business and technical stakeholders to gather and refine requirements

• Troubleshoot, analyze, and resolve production issues

• Participate in code reviews and contribute to development best practices

• Support application modernization and continuous improvement initiatives

• Ensure solutions meet performance, scalability, and security requirements

REQUIRED QUALIFICATIONS

• 7+ years of experience developing applications using C# and .NET technologies

• Strong experience designing and developing REST APIs

• Experience building scalable back-end services and distributed systems

• Experience with batch processing, data synchronization, and reconciliation solutions

• Strong SQL and database experience

• Experience working within enterprise-level environments

• Strong analytical, troubleshooting, and problem-solving skills

• Excellent communication and stakeholder engagement skills

• Ability to work independently in a remote environment

TECHNICAL REQUIREMENTS

• C#

• .NET / .NET Core

• REST APIs

• Microservices Architecture

• SQL Server or similar relational databases

• Backend Service Development

• Batch Processing

• Data Reconciliation

• Enterprise Application Integrations

• Git / Source Control

• CI/CD Practices

NICE TO HAVE

• Experience within payments, financial services, or banking environments

• Experience supporting credit card or similar payment processing platforms

• Cloud experience (Azure preferred)

• Experience with containerization technologies

• Experience working within Agile delivery teams