Principal Software Engineer

About

Listrak is a SaaS company providing an integrated digital marketing platform for retailers and brands. Headquartered in Lititz, PA, Listrak is a 200-person organization led by a passionate leadership team committed to creating an inclusive culture that values curiosity, creativity, and collaboration.

Responsibilities

• Drive architectural strategy and technical direction across backend services and modern front-end applications.
• Design and build scalable APIs, integrations, and distributed systems that support increasing data volume and complexity.
• Lead the modernization of legacy systems into scalable, cloud-native full-stack solutions.
• Guide the evolution of our front-end architecture, including Vue.js, TypeScript, accessibility standards, and design systems.
• Partner with Product and business stakeholders to improve data models and enable data-driven decision making.
• Facilitate architecture reviews, technical design discussions, and cross-functional engineering initiatives.
• Champion engineering excellence through best practices in testing, observability, security, performance, and developer experience.
• Research and evaluate emerging technologies, including AI-assisted development tools such as GitHub Copilot, Claude Code, and Codex.
• Develop proof-of-concepts and prototypes to validate new technical approaches.
• Mentor engineers across the organization and help elevate technical leadership, design thinking, and architectural capabilities.
• Influence long-term platform strategy and contribute to the Product Development roadmap.
• Participate in the engineering on-call rotation.

Requirements

• Bachelor's degree in Computer Science or a related field, or equivalent practical experience.
• 12+ years of experience in software engineering, architecture, data engineering, or a related technical discipline.
• Extensive experience designing and delivering scalable, distributed systems.
• Expert-level proficiency in at least one modern programming language such as C#, .NET, Java, or similar.
• Strong full-stack development experience, including modern front-end frameworks and backend services.
• Advanced-to-expert knowledge of modern front-end development, including Vue.js, TypeScript, JavaScript, HTML, and CSS.
• Deep understanding of front-end architecture and component design.
• Experience building cloud-native applications, preferably in AWS.
• Strong knowledge of relational and non-relational databases.
• Experience with distributed data and event-driven technologies such as Kafka, Spark, Hadoop, Presto, or similar platforms.
• Proven ability to design scalable API contracts and integrations across front-end and backend systems.
• Strong understanding of software testing strategies, including unit, integration, and end-to-end testing.
• Experience with CI/CD pipelines, observability platforms, and modern engineering practices.
• Demonstrated success leading architectural initiatives and producing technical design documentation.
• Exceptional communication, collaboration, analytical, and decision-making skills.