Senior Software Engineer, Digital Delivery

**About InfoSend** InfoSend is a national leader in eBilling, ePayment, Data Processing, and Bill Print \& Mail services, trusted by organizations since 1996\. With robust operations in CA, TX, FL, and IL we specialize in delivering complex mailing solutions with speed, precision, and security. We are proud of our stable, growing business and our team of over 230 professionals—many of whom have built long\-term careers with us. We prioritize employee development, internal promotions, and a supportive workplace culture built on collaboration, respect, and opportunity. **Position Summary** We are seeking a highly skilled Senior Software Engineer to own the backend architecture, data processing, and modernization of InfoSend’s core EBPP (Electronic Bill Presentment \& Payment) and digital delivery platforms. You will be the technical driver for scaling our PHP\-based backend systems, optimizing high\-volume transaction queues, and leading the strategic modernization of our client\-facing portals from legacy jQuery/HTML to React/Next.js. This is a high\-ownership role for an experienced engineer who thrives in complex environments, drives CI/CD excellence, and ensures SOC2/PCI compliance without sacrificing delivery velocity. **Job Responsibilities:** **Backend Architecture \& System Scaling** * Design, develop, and scale backend\-heavy PHP services and REST APIs for EBPP job submission, invoice processing, and production tracking * Optimize SQL databases (PostgreSQL/MySQL) and manage consumer queues for high\-volume, distributed transaction processing * Integrate complex data workflows and ensure high availability for mission\-critical print/mail production systems **Strategic Modernization \& Front\-end Evolution** * Drive the technical execution of modernizing our client portals. Architect and build new UI components using React, Next.js, and Tailwind CSS * Maintain, support, and incrementally refactor the existing jQuery/HTML frontend during the transition