
Column represents the future of banking infrastructure—a nationally chartered bank built specifically for developers. Founded by former Plaid co-founder William Hockey, Column provides direct Federal Reserve connectivity, programmable FDIC-insured accounts, and real-time payment rails through developer-friendly APIs that eliminate traditional middleware bloat.
FintegrationFS provides expert hire Column developer specialists who combine deep fintech domain knowledge with proven Column integration experience. With 15+ years building financial platforms and 100+ production applications serving 100 million+ users, our team understands both Column's capabilities and the regulatory complexities of modern banking.

Hire Column Developer: Build Modern Banking Infrastructure with Expert API Integration
Why Hire Specialized Column Developers
The Banking Infrastructure Challenge
Column enables developers to build banking products that were previously impossible without becoming a bank. The platform provides chartered bank capabilities including FDIC-insured accounts, ACH and wire transfers, FedNow instant payments, international wire capabilities, real-time book transfers, card program infrastructure, and lending products—all accessible through modern APIs.
Critical Development Requirements:
Understanding banking regulations and compliance. Implementing proper security and encryption. Building idempotent transaction systems. Handling webhook event processing reliably. Managing multi-party account structures. Implementing proper error handling and retry logic. Ensuring data consistency across systems. Meeting audit and reporting requirements.
The Column Advantage
Column provides banking infrastructure that powers the next generation of fintech applications, eliminating expensive middleware providers with direct Federal Reserve connection. The platform was built from first principles with its own core, ledger, and data model purposely designed for developers.
Platform Capabilities:
Programmable FDIC-insured bank accounts. ACH transfers with same-day processing. Wire transfers (domestic and international). FedNow instant payments (24/7/365 real-time settlement). Real-time book transfers between accounts. Card issuing and processing infrastructure. Lending origination and servicing. Direct ledger access and control.
Developer Benefits:
Comprehensive API documentation. Sandbox environment for testing. Transparent pricing with no hidden fees. Direct Federal Reserve connectivity. Purpose-built for developer workflows. Regulatory compliance included. Robust balance sheet backing.
Column Developer Services
1. Banking Account Infrastructure
Build programmable banking experiences with Column's FDIC-insured account infrastructure enabling full control over deposits, transactions, and account management.
Account Creation and Management:
Individual and business account creation via API. Multi-party account structures. Account status management and lifecycle. Balance tracking and reporting. Transaction history and statements. Account closure workflows. Compliance documentation.
Deposit Operations:
Automated deposit acceptance. Interest calculation and accrual. FDIC insurance coordination. Reserve requirement management. Liquidity monitoring. Regulatory reporting.
2. Payment Processing Integration
Implement comprehensive payment capabilities including ACH, wires, instant payments, and international transfers through Column's unified API.
ACH Integration:
Same-day and standard ACH transfers. Batch processing capabilities. Return handling and reconciliation. Micro-deposit verification. Pre-note account validation. NACHA compliance automation.
Wire Transfer Implementation:
Domestic Fedwire transfers. International SWIFT payments. Real-time status tracking. Cutoff time management. Beneficiary validation. AML screening integration.
3. Card Program Development
Launch debit and credit card programs with Column's card issuing infrastructure integrated with major processors.
Card Issuance:
Virtual and physical card provisioning. Instant card activation. Card design customization. PIN management. Card replacement workflows. Mobile wallet provisioning (Apple Pay, Google Pay).
Transaction Processing:
Real-time authorization decisioning. Spending controls and limits. Merchant category restrictions. Transaction webhooks. Settlement reconciliation. Chargeback handling.
4. Lending Platform Implementation
Build lending products with Column's loan origination, servicing, and portfolio management capabilities.
Loan Origination:
Application processing via API. Credit decisioning integration. Document management. Loan funding automation. Disclosure generation. E-signature workflows.
Loan Servicing:
Payment processing and allocation. Interest calculation and accrual. Principal tracking. Late fee assessment. Collections workflows. Payoff processing.
Relevant Case studies
Why Choose FintegrationFS for Alpaca Development
Whether you’re validating an MVP or building a large-scale financial platform, our team manages the entire software development lifecycle, including:
15+ Years of Fintech Expertise
FintegrationFS specializes exclusively in financial technology with deep experience building trading platforms, investment apps, and banking solutions. We've delivered platforms processing billions in transactions and serving millions of users.
Financial Platform Experience:
Built neobanking platforms with integrated trading. Developed robo-advisory services with automatic rebalancing. Created algorithmic trading systems for hedge funds. Implemented portfolio management for wealth advisors. Launched cryptocurrency trading platforms. Integrated payment and card issuing capabilities.
Official Fintech API Partnerships
As official partners with leading financial infrastructure providers, we deliver faster, more reliable integrations with proven implementation patterns.
Strategic Partnerships:
Official Plaid partner for account verification and balance checking. Straddle partnership for payment infrastructure and ACH processing. Quiltt integration for modern banking connectivity. Dwolla, Stripe, and Finix for payment processing. Unit and Solid for card issuance. Persona and Onfido for identity verification. Sardine AI and Effectiv AI for fraud prevention.
30+ Reusable Fintech Components
Accelerate Alpaca integration with our production-tested financial components reducing development time 40-60% while ensuring quality.
Available Trading Components:
Account onboarding workflows with KYC. Trading interfaces (order entry, position displays). Portfolio analytics dashboards. Market data visualization components. Risk questionnaire and suitability assessments. Tax document generation (1099-B, 1099-DIV). Compliance reporting frameworks. Mobile trading app UI libraries. Admin portals for operations.
Development Process
Discovery
Week 1
Requirements gathering and analysis. Column API review and planning. Architecture design. Compliance assessment. Timeline and budget planning.
Design
week 2
System architecture documentation. API integration design. Database schema planning. Security framework. Webhook processing architecture.
Development
week 3-8
Agile sprint-based development. Column API integration. Feature implementation. Testing and validation. Documentation creation.
Testing
Week 8-10
Integration testing. Security testing. Compliance validation. Load testing. User acceptance testing.
Deployment
Week 10-12
Production environment setup. Data migration. Monitoring configuration. Launch and support
Column Developer Jobs and Roles
Column API Developer
Specializes in integrating Column's banking APIs for accounts, payments, cards, and lending. Builds middleware connecting Column to application logic. Implements webhook processing and event handling. Ensures transaction idempotency and reliability.
Skills Required: RESTful API integration, banking domain knowledge, webhook architectures, error handling patterns, security best practices.
Column Database Developer
Designs data models for financial applications. Implements proper transaction handling and ACID compliance. Builds reporting and analytics systems. Ensures data integrity and audit trails.
Skills Required: PostgreSQL/MySQL expertise, financial data modeling, transaction management, performance optimization, backup/recovery procedures.
Column Engineer (Full-Stack)
Develops complete banking features end-to-end. Builds frontend interfaces and backend APIs. Implements compliance workflows. Handles DevOps and deployment.
Skills Required: Frontend (React/Angular), backend (Node.js/Python), Column API expertise, database design, cloud infrastructure.
Frequently asked questions



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