Senior POS Engineer

Kitestring is a 25 year old start up in Northwest Arkansas. We provide technical expertise to various clients delivering innovations that improve how customers shop and the enterprise operates. At Kitestring Technical Services, our mission is to share our collective knowledge to positively impact our employees, clients, and communities. Our vision is to be the most trusted partner in technology consulting. We believe people enable technology and vice-versa which is why we are in the business of both. We persistently challenge the barriers to diversity, inclusion, and empathetic cooperation. Our Core Values are Transparency, People Driven, Empowered, Quality focused and socially responsible. Our values direct our company in how we do business and enhance the lives of our employees. Do our values speak to you? Position Overview We are seeking an experienced Lead Software Engineer to lead the design, development, and evolution of our point of sale and retail technology platform. In this role, you will drive technical strategy, mentor engineers, and architect solutions for complex retail commerce challenges. This is a full-stack position requiring deep expertise in modern software development with a demonstrated track record in the POS/retail domain. Key Responsibilities • Lead the technical design and architecture of point of sale systems, inventory management, payment processing, and retail operations platforms • Develop full-stack solutions using Java backend services and React-based frontend applications • Architect and implement AI agentic systems to enhance retail operations, customer engagement, and business intelligence • Mentor and guide a team of software engineers, establishing best practices for code quality, system design, and technical excellence • Collaborate with product, design, and stakeholder teams to translate business requirements into scalable technical solutions • Define and lead the adoption of emerging technologies, frameworks, and architectural patterns • Ensure system performance, reliability, and security across multi-tenant retail environments Required Qualifications • 8+ years of professional software development experience, with at least 5+ years in full-stack development • Deep expertise in Java (Spring Boot, microservices architecture) and React (modern hooks, state management, performance optimization) • Extensive hands-on experience building point of sale systems, retail platforms, or commerce solutions — this is a hard gate requirement • Demonstrated experience designing and implementing distributed systems, microservices, and RESTful APIs • Strong understanding of database design (relational and NoSQL), caching strategies, and query optimization • Proven track record of technical leadership, code review, and mentoring junior engineers • Excellent problem-solving skills and ability to make sound architectural decisions under uncertainty • Strong communication skills and ability to articulate complex technical concepts to non-technical stakeholders Preferred Qualifications • Significant experience with AI agentic development — designing, deploying, and optimizing autonomous AI agents for business workflows