Principal Software Engineer

at

ECOLAB, INC

in Naperville, Illinois, United States Job Description We are seeking a technically strong and hands-on Principal Software Engineer with deep frontend expertise to join our team and help drive the design and development of a modern, enterprise-scale user interface commercial products. This role will play a critical part in shaping frontend architecture, defining engineering standards, and leading teams delivering complex, multi-application UI experiences in a highly collaborative environment.

What you will do:

Lead frontend engineering efforts for enterprise-scale digital commercial applications, providing hands-on technical leadership and architectural guidance. Define and drive modern frontend architecture, including micro-frontend approaches and shared UI composition patterns. Establish and enforce frontend engineering standards, coding practices, and architectural patterns that support scalability, performance, and long-term maintainability. Provide technical and procedural direction across the full software development lifecycle, from design through implementation, testing, and support. Partner with backend, platform, security, and UX teams to deliver cohesive, high-quality user experiences. Own frontend build, packaging, and deployment strategies, including integration with CI/CD pipelines. Define and champion testing strategies across unit, integration, and end-to-end levels, driving quality through automation. Troubleshoot and resolve complex UI issues spanning framework boundaries, micro-frontend orchestration, performance, and runtime behavior. Participate in architecture reviews, design reviews, and code reviews to ensure adherence to standards and best practices. Mentor and coach engineers, fostering technical growth, adoption of shared standards, and reuse of common components and patterns. Influence technical and business decisions by collaborating with engineering leadership and executive stakeholders on strategic initiatives. Minimum Qualifications Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent combination of education and significant professional experience. 12 years of software engineering experience, with deep specialization in frontend development. 5 years of hands-on expertise with modern frontend frameworks such as React or Angular, and strong command of TypeScript/JavaScript (ES6+), HTML, and CSS architecture. Strong experience designing and supporting micro-frontend architectures, including orchestration and module federation concepts. Demonstrated expertise in frontend testing frameworks and strategies Experience with frontend build tooling and bundlers and integration into CI/CD pipelines. Ability to operate independently in complex environments, leading technical initiatives with minimal supervision. Excellent communication skills, with the ability to interface effectively with engineers, product partners, and executive leadership. Preferred Qualifications Master's degree in Computer Science, Engineering, or a related field Experience working in large-scale enterprise environments with multiple frontend applications and shared platform concerns. Familiarity with enterprise authentication patterns, including SSO integration, token management, and secure API consumption. Experience with frontend state management solutions Exposure to performance optimization and observability practices, and frontend monitoring tools. Proven track record of mentoring engineers and driving adoption of shared standards, design systems, and reusable UI components. Recognition as a technical leader or subject matter expert within and beyond the immediate... For full info follow application link. Our Commitment to a Culture of Inclusion & Belonging At Ecolab, we believe the best teams are inclusive. We are on a journey to create a workplace where every associate can grow and achieve their best. We are committed to fair and equal treatment of associates and applicants and recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance. In all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement, we will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran. In addition, we are committed to furthering the principles of Equal Employment Opportunity (EEO) through Affirmative Action (AA). We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the New York City Fair Chance Act. To view full details and how to apply, please login or create a Job Seeker account