Full Stack Laravel/PHP Developer - API Integration

TO APPLY: 1- Record a 1-minute video using Loom.com introducing yourself and your relevant experience. 2- Two or three examples of API integrations you’ve built. LeadCenter.AI is a Houston-based SaaS CRM built exclusively for financial advisors. We help advisory firms turn leads into clients, and we’re growing quickly. Our platform connects with custodians, portfolio systems, payment providers and AI services, and we’re looking for a developer who enjoys making those integrations reliable and secure. The role You’ll join our engineering team as a hands-on Laravel/PHP developer, focused on building and maintaining third-party API integrations while also contributing across the full stack. This is a long-term engagement for the right person, starting part-time with the potential to grow into full-time. What you’ll do Design, build and maintain integrations with third-party REST/SOAP APIs, covering custodians, portfolio management platforms, payment processors (e.g., Stripe), accounting tools and email/calendar providers Implement OAuth 2.0 and API key authentication, webhooks, token refresh, rate limiting, retries and idempotent sync jobs Build and optimize background processing with Laravel queues, scheduled jobs and event-driven workflows Develop new CRM features end to end: database design, back-end logic, APIs and front-end UI Map, transform and reconcile data between external systems and our platform, with attention to accuracy and auditability Monitor integrations, troubleshoot failures, and write clear logs, error handling and documentation Write clean, tested code and take part in code reviews Work with our CTO and product team to scope, estimate and ship features What we’re looking for 5+ years of professional experience with PHP and Laravel (Laravel 10/11+) A strong track record of building production API integrations, with examples you can show us Deep understanding of REST, JSON, webhooks, OAuth 2.0, and API security best practices Solid MySQL/PostgreSQL skills, including query optimization and schema design Experience with queues, caching and background jobs (Redis, Horizon or similar) Front-end experience with JavaScript (Vue.js, React, Livewire/Inertia or similar), HTML and CSS Comfort with Git, CI/CD, automated testing (PHPUnit/Pest) and cloud hosting (AWS, GCP or Azure) Excellent written English and the ability to work independently and communicate proactively Availability for regular overlap with U.S. Central Time Nice to have Experience in fintech, wealth management, CRM or other data-sensitive, regulated environments Familiarity with financial or custodian data feeds, or with integrations such as Schwab, Fidelity, Orion, Salesforce or QuickBooks Experience integrating LLM/AI APIs (OpenAI, Anthropic) or building AI-assisted features Knowledge of security and compliance practices (SOC 2, encryption, audit logging) Experience with AI-assisted development tools such as Cursor or Claude Code Engagement details - Contract, hourly - 40 hours per week, with potential to grow Fully remote