Company Overview With 80,000 customers across 150 countries, UKG is the largest U.S.-based private software company in the world. And we’re only getting started. Ready to bring your bold ideas and collaborative mindset to an organization that still has so much more to build and achieve? Read on.   At UKG, you get more than just a job. You get to work with purpose. Our team of U Krewers are on a mission to inspire every organization to become a great place to work through our award-winning HR technology built for all.   Here, we know that you’re more than your work. That’s why our benefits help you thrive personally and professionally, from wellness programs and tuition reimbursement to U Choose — a customizable expense reimbursement program that can be used for more than 200+ needs that best suit you and your family, from student loan repayment, to childcare, to pet insurance. Our inclusive culture, active and engaged employee resource groups, and caring leaders value every voice and support you in doing the best work of your career. If you’re passionate about our purpose — people —then we can’t wait to support whatever gives you purpose. We’re united by purpose, inspired by you.  About the Team: The Enterprise Solutions and Experience team is seeking a Principal IT Software Engineer to join our engineering team. In this role, you will be responsible for developing and implementing enterprise SaaS software and innovative solutions to enhance both agent and customer experiences. You will collaborate with a highly skilled and diverse group of individuals across the company and around the globe to address our top customer needs. About the Role: As a Principal Full Stack Developer at UKG, specializing in integrations and AI/ML, you will lead the architecture, design, and delivery of enterprise-grade applications and system integrations. You will leverage your expertise to build scalable full stack solutions, seamlessly integrate systems, and operationalize AI/ML models to drive innovation. This role combines hands-on development with strategic decision-making, while also providing mentorship and fostering a culture of technical excellence within the team. Key Responsibilities: • Lead the strategic design and execution of org consolidation, complex data conversion and alignment with business goals • Lead the architecture, design, and development of full stack applications, APIs, and integration frameworks. • Collaborate with executive leadership and cross-functional teams to define, design, and implement transformative features and enhancements. • Build robust microservices and REST/GraphQL APIs for seamless interoperability across enterprise platforms. • Provide expert technical leadership and mentorship to software engineers, guiding them in development and data migration best practices. • Conduct hands-on code reviews and Peer Review (PR) approval. Enforce adherence to best practices and coding standards. • Identify and resolve advanced performance bottlenecks and, utilizing your extensive experience. • Work closely with product managers, data scientists, and business stakeholders to translate requirements into technical solutions. • Drive proof-of-concepts and new initiatives to enhance system intelligence and automation. About You: • 8+ years of experience in software development, with at least 2-3 years in a principal/lead role. • Experience with data modeling, data warehousing, and database management systems. • Strong proficiency in full stack development using modern frameworks (React/Angular/Vue, Node.js/Java/.NET, Python). • Hands-on experience with cloud platforms (AWS, Azure, GCP). • Proven track record in API development, system integrations, and microservices architecture. • Solid knowledge of databases (SQL and NoSQL), caching, and messaging systems (Kafka, RabbitMQ). • Experience integrating ML models into production pipelines. • Understanding of ML-Ops concepts (model deployment, monitoring, retraining). • Strong problem-solving, analytical, and communication skills. • Ability to balance strategic thinking with hands-on coding when required. Preferred Qualifications: • Experience with integration platforms. • Exposure to enterprise PSA/ERP/CRM systems. • Knowledge of data security, compliance. Where we’re going UKG is on the cusp of something truly special. Worldwide, we already hold the #1 market share position for workforce management and the #2 position for human capital management. Tens of millions of frontline workers start and end their days with our software, with billions of shifts managed annually through UKG solutions today. Yet it’s our AI-powered product portfolio designed to support customers of all sizes, industries, and geographies that will propel us into an even brighter tomorrow!  UKG is proud to be an equal opportunity employer and is committed to promoting diversity and inclusion in the workplace, including the recruitment process.      Disability Accommodation in the Application and Interview Process For individuals with disabilities that need additional assistance at any point in the application and interview process, please email <a href="mailto:UKGCareers@ukg.com" target="_blank">UKGCareers@ukg.com</a>