Senior Software Engineer

We're seeking a Senior Software Engineer to own our accelerate payment products, building and maintaining the critical systems that handle money movement between Vantaca and our payment partners.

Requirements

• 8+ years of software development experience with C#,.NET Framework, and.NET Core
• Proven experience building and maintaining payment processing systems
• Deep understanding of payment methods: ACH (same-day ACH, NACHA rules), credit card processing (authorization, capture, settlement), wire transfers
• Experience with payment reconciliation: matching transactions across systems, handling settlement timing differences, resolving discrepancies
• Strong understanding of payment failure handling, retry strategies, and idempotency patterns
• Experience implementing PCI DSS compliance requirements
• Advanced SQL knowledge including T-SQL, stored procedures, and query optimization
• Experience with payment processor APIs (Stripe, Authorize.net, payment gateways)
• Experience with secure credential management, tokenization, and encryption practices
• Demonstrated ability to debug complex payment issues across multiple systems
• Understanding of transactional consistency, compensation patterns, and exactly-once processing guarantees
• Experience with CI/CD pipelines (Azure Pipelines preferred) and Infrastructure as Code (Terraform)
• Strong problem-solving skills with high attention to detail (critical for financial accuracy)
• Strong technical communication skills, both written and verbal

Benefits

• Medical, Dental, and Vision
• Unlimited PTO
• 401K with Company Match
• Remote Flexible
• Great parental leave benefits