Principal Software Engineer

About Ascendion

Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe. Ascendion is built differently to engineer the next.

Ascendion | Engineering to elevate life

We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:

• Build the coolest tech for the world’s leading brands
• Solve complex problems - and learn new skills
• Experience the power of transforming digital engineering for Fortune 500 clients
• Master your craft with leading training programs and hands-on experience

Experience a community of change makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.

About the Role:

Job Title

Principal Software Engineer

Location

Irvine, CA 92618 or Plano, TX 75024

Responsibilities:

• Design, develop, and enhance enterprise applications, platforms, and services, serving as a subject-matter expert.
• Translate design mockups into HTML/CSS/JavaScript, build UI components, and collaborate with UX/UI and design teams.
• Develop and execute testing strategies, including unit, integration, automated, TDD, and BDD tests.
• Participate in prototyping, POCs, iteration planning, and release cycles while ensuring solutions meet business and enterprise requirements.
• Contribute to enterprise technical architecture, best practices, and refinement of functional and non-functional requirements.

Requirements:

• 10+ years of experience in C#/.NET and modern web technologies.
• Strong expertise in Agile methodologies (Scrum, Kanban, SAFe) and development best practices.
• Proven leadership, mentoring, and ability to drive cross-team initiatives.
• Deep knowledge of data structures, algorithms, system design (SOA, microservices), and design patterns.
• Proficient in HTML5, CSS (SASS/LESS), JavaScript (jQuery, Angular, Bootstrap), and responsive design.
• Extensive experience with ASP.NET MVC, Web API, REST, JSON, and web services.
• Strong SQL and database design skills, including performance tuning.
• Experience with version control, CI/CD, cloud (AWS/Azure), and development tools (Visual Studio, IIS).
• Focus on code quality, testing, and coding standards.

Salary and Other Compensation:
The annual salary for this position is between $130,000 and $200,000 annually. Factors that may affect pay within this range may include geography/market, skills, education, experience, and other qualifications of the successful candidate.

Benefits: The company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance], [dental insurance], [vision insurance], [401(k) retirement plan], [long-term disability insurance], [short-term disability insurance], and [5 personal days accrued each calendar year]. The Paid time off benefits meet the paid sick and safe time laws that pertain to the City/State [10-15 days of paid vacation time] [6 paid holidays and 1 floating holiday per calendar year].

Want to change the world? Let us know.

Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk!