Principal Software Engineer

Ecolab•Naperville, IL

14d

About The Position

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.

Requirements

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.

Nice To Haves

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 team or organization.

Responsibilities

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.