Senior Full Stack Engineer, AI Systems & Platform Development - Local Only

FreeRateUpdate.com has posted a new Infrastructure role: Senior Full Stack Engineer, AI Systems & Platform Development - Local Only. The role involves ownership of key deliverables and alignment with business goals. Candidates with Infrastructure experience and a growth mindset are encouraged to apply. **Title: Senior Full Stack Engineer – AI Systems \& Platform Development** **Location: Chadds Ford, PA (In\-Office Only)** **Salary: $120,000 – $175,000\+ (Based on Experience)** About FreeRateUpdate.com FreeRateUpdate.com operates a high\-volume financial marketing and lead distribution platform powering lenders, call centers, and consumer\-facing acquisition funnels nationwide. We are now aggressively expanding AI throughout our internal systems, reporting infrastructure, call center operations, and consumer conversion flows. We are seeking a senior\-level engineer who can help architect, implement, and evolve AI\-driven systems across our platform. This is not a maintenance role. This is a systems\-building role. What You’ll Be Building You will help us: AI Implementation Across Internal Systems * Integrate OpenAI and other AI APIs into production workflows * Turn existing report snapshots into intelligent, contextual analysis * Build AI\-driven analysis layers on top of structured and semi\-structured data * Create automated reporting insights from historical datasets * Implement monitoring systems for AI outputs and system reliability Reporting \& Knowledge Base Evolution * Build and maintain dynamic reporting dashboards * Create AI\-powered report interpretation tools * Help structure and evolve internal knowledge bases (KBs) * Implement searchable and AI\-assisted internal documentation systems * Optimize database queries for high\-volume reporting systems Call Center \+ Communication Systems * Work with Twilio APIs (Voice \+ SMS) * Support AI\-enhanced call workflows * Implement analysis systems for call data and messaging logs * Improve automation and intelligence inside operational workflows Consumer\-Facing AI * Help evolve our AI assistant used on landing pages and lead forms * Optimize AI\-driven consumer conversations for conversion * Build and maintain chat\-based flows integrated into Laravel/PHP backend * Improve decision trees using real data insights Core Platform Engineering * Develop and maintain Laravel/PHP applications * Build and maintain internal APIs * Optimize MySQL databases * Manage deployments and infrastructure * Maintain system performance under load Required Technical Skills You must have strong production experience with: * PHP (Laravel strongly preferred) * MySQL (query optimization, indexing, replication concepts) * JavaScript (modern ES6\+) * API integrations (REST, third\-party APIs) * Git\-based workflows * Docker * Apache / Linux server environments Strong Plus: * Experience integrating OpenAI or other LLM APIs * Experience working with Twilio (Voice \+ SMS APIs) * Experience building AI\-assisted tools * Experience working with structured \+ unstructured data * Infrastructure knowledge (load balancing, scaling, monitoring) * Bash / CLI comfort Ideal Candidate Profile You: * Think in systems, not just tickets * Understand how AI can enhance real workflows (not just generate text) * Are comfortable building production\-ready AI integrations * Can move between backend logic, database design, API integrations, and infrastructure * Care about performance and scalability * Are highly detail\-oriented * Prefer building long\-term systems over short\-term hacks * Are comfortable working directly with leadership on strategic initiatives What This Role Is NOT * Not a junior role * Not a remote role * Not a “fix WordPress plugins” role * Not a pure frontend Angular position This is a senior systems role with direct impact on company direction. Experience Requirements * 5\+ years professional web application development * 2\+ years working in production backend systems * Experience integrating external APIs * AI integration experience preferred (but strong engineers willing to go deep into AI will be considered) Compensation \& Benefits * $120,000 – $175,000\+ based on experience * Full\-time, in\-office role * Monday–Friday schedule * Competitive benefits package Location Requirement Chadds Ford, PA 19317 Local Only (In\-person only). Job Type: Full\-time Pay: $120,000\.00 \- $170,000\.00 per year Application Question(s): * Are you within 30 minutes to our Chadds Ford, PA office? Ability to Commute: * Chadds Ford, PA 19317 (Required) Ability to Relocate: * Chadds Ford, PA 19317: Relocate before starting work (Required) Work Location: In person Listing compiled for ITJobNotify. Apply on the company site for the latest details.