Senior Software Engineer - Banking Integrations

Vantaca•Wilmington, NC

58d•Remote

About The Position

We're seeking a Senior Software Engineer to lead our banking integrations initiative, building and maintaining the critical financial data pipelines between Vantaca and our banking partners. This role requires someone who can architect resilient, secure, and compliant financial integrations while navigating the complexities of multiple banking APIs, payment processors, and financial data formats. You'll work directly with banking partners and internal stakeholders to ensure seamless, accurate financial data flow that our customers depend on for their business operations. This position offers the opportunity to establish integration patterns and frameworks that will scale across our platform while mentoring other engineers on financial integration best practices.

Requirements

8+ years of software development experience with C#, .NET Framework, and .NET Core
Proven experience building and maintaining financial system integrations (banking APIs, payment processors, or similar)
Strong understanding of financial data integrity, reconciliation, and error handling patterns
Advanced SQL knowledge including T-SQL, stored procedures, and query optimization
Experience with RESTful API development and integration
Experience with secure credential management and encryption practices
Demonstrated ability to debug complex integration issues across multiple systems
Understanding of transactional consistency patterns and compensation logic
Experience with CI/CD pipelines (Azure Pipelines preferred) and Infrastructure as Code (Terraform)
Experience working on complex applications with interdependent business logic
Strong problem-solving skills and attention to detail
Strong technical communication skills, both written and verbal

Nice To Haves

Experience with banking APIs (Plaid, Yodlee, MX, or bank-specific APIs)
Knowledge of payment processing systems (ACH, credit card processing, wire transfers)
Familiarity with financial data formats (OFX, QFX, BAI2, ISO 20022)
Experience with PCI DSS, SOC 2, or similar compliance frameworks
Background in FinTech, PropTech, or SaaS companies handling financial data
Experience with ACA, NACHA or other banking services
Understanding of basic accounting principles and multi-entity financial management
Experience with SFTP/secure file transfer protocols
Azure cloud platform experience
Entity Framework, Dapper, or similar ORM/micro-ORM experience
Experience with message-based architectures (Azure Service Bus, queues, topics)

Responsibilities

Integration Architecture & Development: Architect, design, and develop robust, scalable, and secure RESTful APIs and file-based integrations with banking partners and third-party financial vendors
Partner with banking vendors to understand API capabilities, limitations, and roadmaps
Lead the end-to-end integration process with external banking APIs, ensuring seamless and efficient data exchange
Implement comprehensive transaction reconciliation and monitoring systems
Design fault-tolerant patterns for financial data processing (idempotency, exactly-once delivery, compensation patterns)
Implement security best practices to safeguard sensitive financial data during API communications and storage
Complete development tasks on time with exceptional attention to quality, performance, best practices, and SOP standards
Collaborate within a scrum team environment, translating product manager requirements and user stories into technical solutions
Provide advice and coordinate with Product Owners to navigate project scope, risk, and development strategies
Conduct code reviews, mentor junior and mid-level developers, and ensure adherence to coding standards and best practices
Create detailed runbooks and incident response procedures for financial integration issues
Collaborate with Finance/Accounting teams to validate data accuracy and resolve discrepancies
Maintain security standards for sensitive financial data (encryption, access controls, audit logging)
Troubleshoot issues across the full stack and help define solutions
Document progress, discussions, and scope changes in Jira
Assist with bi-weekly production deployments (occurs after hours)
Add to and update Guru documentation
Participate in technical support ticket bashes when necessary
Keep Integrations Engineering Manager updated on progress and barriers during sprints
Work with the quality assurance team to resolve defects found during sprints
Develop unit tests to validate development and protect from future defects
Contribute to code reviews and maintain high code quality standards

Benefits

Medical, Dental, and Vision kick in day one
Unlimited PTO (with a requirement for employees to take a minimum of one continuous week per year)
401K with Company Match
Remote Flexible - come to the office when needed
Great parental leave benefits

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