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Staff Fullstack Engineer at PrePass. About PrePass. PrePass® is North America's most trusted weigh station bypass and toll management platform. We’re transforming how the transportation industry operates—creating solutions that keep trucks moving safely, efficiently, and compliantly. This means making bold decisions and building systems that support not only fleets but the broader economy. It all starts with enabling commercial vehicles to keep rolling with seamless toll management, weigh station bypass, and safety solutions. It’s what we do best, and we do it to meet the demands of the road every day.. That’s why people join us: our solutions are implemented in real-time, on highways and interstates across the nation, helping fleets go farther, faster. This work challenges and rewards, presenting complex problems that need ambitious answers. We hire bold thinkers with a heart for impact, a passion for progress, and the optimism to shape the future of transportation.. About the Role. We are seeking a highly skilled Staff Fullstack Engineer to lead the design and development of mission-critical systems that power intelligent bypass decisions for commercial truckers. This role is ideal for someone who thrives in complex distributed environments, is fluent in a variety of database technologies, and has deep expertise in building scalable single-page web applications (SPAs). You’ll be blending real-time road safety data into actionable insights that impact drivers, enforcement officers, and other stakeholders.. Essential Responsibilities. Technical Leadership & Architecture. . Architect and build scalable, performant single-page web applications using modern frameworks (React preferred).. . Design and implement distributed systems that ingest and process real-time data from internal and external sources.. . Lead the development of RESTful APIs and event-driven systems for high-throughput, low-latency decision-making.. . System Reliability & Innovation. . Own the scalability and reliability of systems that support bypass transaction lifecycles.. . Drive innovation in real-time alerting systems that enhance road safety and efficiency.. . Ensure systems meet compliance, security, and performance standards.. . Mentorship & Collaboration. . Mentor engineers across teams and promote engineering best practices.. . Contribute to technical strategy and long-term architectural planning.. . Collaborate with cross-functional teams including product, data, and operations.. . Required. . 10+ years of experience in software engineering, with at least 3 years in a senior or staff-level role.. . Proven expertise in building and scaling single-page web applications (React preferred).. . Deep experience with distributed systems, microservices, and event-driven architectures.. . Expertise in relational, document, and columnar database technologies.. . Strong experience with RESTful API design and consumption.. . Proficiency with cloud platforms (Azure preferred; AWS or GCP also acceptable), Docker, and Kubernetes.. . Familiarity with real-time data processing tools (e.g., Kafka, MQTT, Azure Event Hub).. . Preferred. . Experience in transportation, logistics, or IoT systems.. . Background in data fusion or multi-source analytics.. . Experience implementing anomaly detection using AI or other methods.. . Hands-on with MySQL, Postgres, MS SQL Server, Elasticsearch, CosmosDB, Redis.. . Multi-cloud expertise (AWS & Azure).. . Experience with data warehousing and analytics tools (Snowflake, MS Fabric, Power BI).. . Bonus Points For. . Experience in the transportation industry.. . Building Federated API layers (GraphQL or similar).. . Working in regulated environments with security and compliance requirements.. . Familiarity with Python and Django.. . Company Location: United States.