Senior Software Engineer, Frontend

DAT•Denver, CO

7d•$143,000 - $183,000•Hybrid

About The Position

As a Senior Frontend Software Engineer, you will shape the architecture, quality, and long-term direction of DAT’s customer-facing products. You will drive technical strategy for the end-to-end user experience, building interfaces that scale with growth and complex business requirements. The role involves taking ownership of the frontend lifecycle, translating complex data and workflows into intuitive interfaces, mentoring engineers, and delivering high-impact work across the product portfolio. You will design, build, and maintain performant, accessible, responsive web applications; own key UI components and design-system elements; collaborate with UX designers and engineering leaders; and establish quality practices through testing and code reviews. You will also define frontend observability using Datadog and lead responses to production incidents, root-cause analyses, and preventative improvements. DAT is a SaaS technology company serving the transportation supply-chain logistics industry. The company operates a hybrid work environment. For Colorado-based candidates, the stated salary range is $143,000–$183,000 plus target bonus.

Requirements

At least 7 years of frontend software development experience, with a track record of delivering high-quality, high-impact work at scale.
Deep proficiency in modern JavaScript and TypeScript, including build tooling, bundlers, and performance optimization.
Expert-level knowledge of frontend frameworks such as Angular, React, and/or web components, and the ability to make and defend architectural choices.
Experience designing, building, and evolving component libraries or design systems used across multiple teams or products.
Strong command of RESTful and GraphQL APIs and patterns for integrating frontend applications with backend services.
Hands-on experience deploying and managing frontend applications on AWS, such as CloudFront and S3, with understanding of CDN strategy, caching, and frontend-related infrastructure.
Understanding of Docker and CI/CD pipelines as they apply to frontend development workflows.
Deep expertise in Datadog or equivalent tools for frontend monitoring, distributed tracing, logging, and observability.
Expertise in web performance, browser rendering pipelines, and WCAG accessibility standards, with ability to promote these practices across an organization.
Ability to lead technical discussions, influence cross-functional stakeholders, and drive consensus on complex decisions.
Excellent written and verbal communication skills, including presenting technical concepts to technical and non-technical audiences.
Bachelor’s degree in Computer Science or a related technical field, or equivalent practical experience.

Nice To Haves

Experience working with AI and/or Spec Driven Development.

Responsibilities

Design, build, and maintain highly performant, accessible, and responsive web applications.
Own key UI components and design-system elements, including their long-term performance, cross-browser compatibility, and accessibility strategy.
Mentor junior and mid-level engineers through code reviews, pair programming, and knowledge sharing.
Partner with UX designers and Principal and Staff engineers to turn business requirements and design specifications into production-ready interfaces.
Write unit, integration, and end-to-end tests; lead code reviews; and promote accessibility and maintainability practices.
Define and implement frontend monitoring and alerting with Datadog to track performance, error rates, and production user experience.
Lead resolution of frontend production incidents, perform root-cause analyses, and implement systemic preventative measures.
Lead technical discussions, influence cross-functional stakeholders, and build consensus on complex technical decisions.