Principal Software Engineer
Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 12, 2026.
Job Description:
Position Overview
The primary responsibility of the Principal Software Engineer is to lead the technical direction and innovation of our software development efforts. The Principal Software Engineer will leverage deep technical expertise and passion for building high-quality applications to drive architectural decisions, mentor engineers, and influence product development. The Principal Software Engineer is a visionary with a strong foundation in software design principles and thrives in a collaborative environment.
All duties are to be performed in accordance with departmental and Las Vegas Sands Corp.’s policies, practices, and procedures. All Las Vegas Sands Corp. Team Members are expected to conduct and carry themselves in a professional manner at all times. Team Members are required to observe the Company’s standards, work requirements and rules of conduct.
Essential Duties & Responsibilities
Define and drive the architectural vision and design principles for our software systems, ensuring they are scalable, maintainable, and aligned with business goals.
Evaluate and select appropriate technologies and frameworks that support the team’s objectives and enhance overall system performance.
Lead the design, development, and implementation of high-quality, full-stack features using Node.js, React, JavaScript/TypeScript, Java ensuring adherence to design principles and coding standards.
Set and enforce best practices for software development, including code quality, testing, and documentation.
Mentor and guide engineering teams, fostering a culture of continuous learning and improvement.
Conduct technical training sessions and workshops to elevate the skill levels of team members.
Collaborate with cross-functional teams (design, product, QA) to gather requirements, design solutions, and ensure timely delivery of software.
Act as a key technical liaison between engineering and other departments to align project goals with technical capabilities.
Take ownership of complex technical projects, ensuring they are executed effectively and delivered on time.
Lead architectural discussions and design reviews, facilitating consensus among stakeholders.
Stay current with emerging technologies, design patterns, and industry trends, and evaluate their applicability to the organization.
Drive initiatives for process improvements within the engineering team to enhance productivity, collaboration, and code quality.
Perform job duties in a safe manner.
Attend work as scheduled on a consistent and regular basis.
Perform other related duties as assigned.
Minimum Qualifications
At least 21 years of age.
Proof of authorization to work in the United States.
Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
Must be able to obtain and maintain any certification or license, as required by law or policy.
10+ years of relevant work experience.
5+ years of experience in software development, with a focus on scalable applications and system design.
Extensive knowledge of software design principles and development methodologies.
Proficiency in React, Node.js, JavaScript, HTML/CSS, and Bash.
Demonstrated experience working closely with UI/UX designers to ensure collaborative refinement and implementation of designs to meet specifications, including cross-browser compatibility.
Expertise in Microservices architecture, RESTful APIs, GraphQL, and JSON.
Deep understanding of relational and NoSQL databases, including database design and data modeling with SQL and MongoDB/Redis.
Strong analytical skills for researching technical issues and providing clear, actionable resolutions.
Extensive experience with Agile and Scrum development processes, with a strong understanding of iterative development.
Excellent written and verbal communication skills, with the ability to effectively convey complex technical concepts to a variety of audiences.
Working knowledge of cloud platforms (AWS, Azure, GCP) and DevOps practices.
Experience with containerization tools like Docker and orchestration with Kubernetes.
Working knowledge of unit testing and end-to-end testing frameworks.
Strong interpersonal skills with the ability to communicate effectively and interact appropriately with management, other Team Members and outside contacts of different backgrounds and levels of experience.
Physical Requirements
Must be able to:
Physically access assigned workspace areas with or without reasonable accommodation.
Work indoors and be exposed to various environmental factors such as, but not limited to, CRT, noise, and dust.
Utilize laptop and standard keyboard to perform essential functions of the job.