Senior Software Engineer - Banking Integrations

Vantaca Just Achieved Unicorn Status With a $1.25B Valuation, So It's Safe To Say We're Past The "scrappy Startup Phase." We're Not Just Building a Successful Company – We're Building The Category-defining Platform That Will Transform How An Entire Industry Operates. Here's The Reality Of Our Trajectory

• Growing 100% year-over-year
• Our AI product (HOAi) went from $0 to millions in months
• Backed by Cove Hill Partners and JMI Private Equity
• 6M+ doors on our platform, displacing legacy systems
  
  

We are a winning team that believes in working together to make big ideas happen. We are a collaborative and visionary group that holds ourselves accountable for our results. Our ability to be nurturing and agile allows us to adapt to change and support each other through any challenges that come our way. We are customer-centric, meaning that we put our customers' needs and preferences at the heart of our work. We are authentic game changers that are building something cool and people like it here.

Overview

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.

Accountability Key Initiatives

• Design and maintain secure, compliant integrations with banking partners and payment processors
• Lead technical conversations with banking partner engineering teams
• Establish patterns and frameworks for financial data integration across the platform
• Drive initiatives to improve financial data reconciliation and error handling
• Provide support for items escalated by tech support
• Stay on top of current trends in financial technology and integration patterns, proposing innovative solutions to enhance our platform
  
  

Expectations for Success

• Successful delivery of user stories within sprint commitments
• Quality code that follows established patterns and best practices
• Zero critical financial data integrity incidents
• Proactive use of AI development tools (Cursor, Claude, Devin, etc.) to accelerate development and improve code quality
• Enthusiasm for leveraging AI to move fast and work efficiently
• Consistent velocity set by manager
• Average return rate from QA should be 2 or less
  
  

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
  
  

Core Values

• Always Growing: Likes change and enjoys finding new ways to improve their knowledge and the product. Always ready to learn quickly, helping themselves and the team grow.
• Win as a Team: Builds trust and works together by making sure everyone communicates well. Actively involved in daily work, working closely with the team, listening to their ideas, and celebrating successes together.
• Accountability Starts with Me: Notices problems and takes personal action to solve them.
• Unwavering Commitment to Customer Experience: Regularly talks to customers, taking personal responsibility to understand what they need, address concerns, and make their experience better with improved Vantaca processes.
• Innovate Boldly: We challenge the status quo and push boundaries to create meaningful change. We act with urgency and purpose, knowing that innovation drives our success.
  
  

Requirements

Required

• 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
  
  

Preferred

• 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)
  
  

Why You Should Join Our Team

• Our eNPS is +53! (Google it, that is great)
• 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
• Named on Inc 5000 list of America’s Fastest Growing Private Companies
• Named on Inc 5000 Vet 100 Private Companies list multiple years in a row
• Winner of Coastal Entrepreneur Award, Technology Category
• Active employee-led Culture Committee
• Ongoing industry and professional development trainings available to all employees
• Multiple leaders on the executive committee recognized as 40 under 40 recipients for contributions to business and community
• We’re playing offense to win! Our product market fit and our world-class employees make us the leader in our space. We’re building something cool and people like it here
  
  

We receive many resumes for our open positions and each one is reviewed by a human being on our recruiting team. We will compare your background with the qualifications and requirements for the position.