Senior Principal Software Engineer – Full Stack Engineer

Job Description

ABOUT THE ROLE

The Senior Principal Software Engineer – Full Stack is a key technical leader responsible for defining and driving the technical strategy across the entire engineering function. You will own complex, high-impact systems, deliver enterprise-scale SaaS products at Champion Pace, and serve as a recognized internal subject matter expert — providing thought leadership to redefine the supply chain through an intelligent, adaptive platform.

WHAT YOU'LL DO

• Architectural Ownership: Design, implement, and lead the development of robust frontend frameworks and backend services, taking end-to-end ownership of critical, cross-functional components.
• Technical Strategy: Apply deep expertise in highly specialized domains to develop complex systems, contribute to company objectives, and drive creative and effective goal achievement.
• Problem Resolution: Proactively debug, diagnose, and resolve highly complex technical issues and performance bottlenecks across the stack with minimal guidance.
• System Design: Apply conceptual thinking to understand advanced technical implications and construct highly scalable system architectures.
• Technical Mentorship: Act as an internal subject matter expert — mentor senior and principal engineers, lead cross-team code reviews, and establish high standards for quality and performance.
• Policy & Principles Guidance: Direct the application of existing technical principles and actively guide development of new policies and engineering standards.
• Code Optimization: Translate complex product and technical requirements into clean, efficient, maintainable code; optimize system architecture for scale and performance.
• Cross-Functional Collaboration: Build formal networks across organizational groups and collaborate closely with Product, QA, and DevOps to deliver world-class SaaS products.
• Strategic Influence: Convey advanced technical concepts and persuade diverse stakeholder audiences to drive cross-organizational alignment and technical adoption.
• Functional Accountability: Determine methods and procedures on new assignments, taking ultimate responsibility for results that impact the entire engineering function.

Qualifications

MUST-HAVE QUALIFICATIONS

• 12+ years of professional software development experience (8+ with a Master's; 5+ with a PhD).
• Expert-level proficiency in HTML, CSS, JavaScript, Java, Node.js, Python, and RESTful APIs.
• Deep experience with microservices, SQL/NoSQL databases, and modern frontend frameworks.
• Proven ability to own and drive complex, cross-functional technical architecture end-to-end.
• Strong track record of mentoring senior engineers and leading technical standards across teams.
• Deep understanding of cloud-native architectures, Agile product development, OOP fundamentals, and data structures & algorithms.

NICE-TO-HAVE

• Experience with agentic or AI-powered platform engineering.
• Familiarity with manufacturing or supply chain SaaS domains.
• Background in AI governance, evaluation, and observability.

LEADERSHIP PROFILE

This role operates at the highest individual contributor level — you are a recognized technical authority who shapes engineering direction without formal management. You lead through expertise, influence, and the quality of your decisions. You set the bar for architecture, code quality, and engineering culture across the team.

KEY SKILLS

🏗 Full Stack Architecture

Java · Node.js · Python · Frontend Frameworks · Microservices

☁️ Cloud-Native Systems

Cloud Architecture · APIs · SQL/NoSQL · Scalability

🧠 Technical Leadership

Mentorship · Code Reviews · Engineering Standards · Strategy

🔍 Problem Solving

Debugging · System Design · Performance Optimization · Ownership

EDUCATION

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
• Master's degree in CS or Engineering reduces experience requirement to 8 years (optional).
• PhD in CS or related field reduces experience requirement to 5 years (optional).

Additional Information

• Your health and well being are important to us at QAD. We provide programs that help you strike a healthy work-life balance.
• Opportunity to join a growing business, launching into its next phase of expansion and transformation.
• Collaborative culture of smart and hard-working people who support one another to get the job done.
• An atmosphere of growth and opportunity, where idea-sharing is always prioritized over level or hierarchy.
• Compensation packages based on experience and desired skill set

About QAD:

QAD | Redzone is redefining manufacturing and supply chains through its intelligent, adaptive platform that connects people, processes, and data into a single System of Action. With three core pillars — Redzone (frontline empowerment), Adaptive Applications (the intelligent backbone), and Champion AI (Agentic AI for manufacturing) — QAD | Redzone helps manufacturers operate with Champion Pace , achieving measurable productivity, resilience, and growth in just 90 days.

QAD is committed to ensuring that every employee feels they work in an environment that values their contributions, respects their unique perspectives and provides opportunities for growth regardless of background. QAD’s DEI program is driving higher levels of diversity, equity and inclusion so that employees can bring their whole self to work.

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.