The Senior Front-End Developer builds and maintains HubSpot CMS websites, leading technical implementation and collaborating with design and marketing teams for optimal performance.
SmartBug Media is the full-service digital agency of choice for organizations looking to
create resilient growth across the entire customer lifecycle, with a strong focus on the
HubSpot ecosystem. From marketing to sales, revenue operations to customer success,
and e-commerce to integration, SmartBug combines sound strategies and technology with
top talent to help clients set the course for continued success. Recognized globally,
we've made the Inc. 5000 list seven times, the Adweek 100 four years running, and won
numerous Comparably awards for our culture and leadership. We're not just HubSpot's
highest-rated partner worldwide but also a two-time HubSpot North American
Partner of the Year and proud Elite Partner. SmartBug is also a proud Google
Premier Partner.
The Senior Front-End Developer is a specialist responsible for building and maintaining highly performant, scalable websites and digital experiences primarily within the HubSpot CMS (Content Hub). This role requires deep expertise in front-end architecture, a mastery of HUBL (HubSpot's templating language), and experience integrating modern frameworks like React for dynamic module creation. The developer will lead technical implementation and work closely with design and marketing teams to deliver complex, best-in-class solutions.
Responsibilities
- Development & Architecture:
- Design, develop, and maintain high-quality, reusable HubSpot CMS themes, templates, and custom modules using HUBL, HTML5, CSS3, and JavaScript/ES6+.
- Implement dynamic front-end features and components, utilizing modern frameworks such as React.
- Lead technical scoping and implementation for website migrations and rebuilds on the HubSpot platform.
- Ensure all front-end code is optimized for maximum speed, scalability, cross-browser compatibility, and search engine optimization (SEO).
- Implement robust testing and quality assurance procedures for all developed assets.
- Collaboration & Leadership:
- Collaborate with UI/UX designers to translate wireframes and mockups into functional, pixel-perfect user interfaces.
- Serve as a technical mentor to junior developers, providing code reviews, guidance, and best practices for HubSpot development.
- Interface with the back-end development team to define API requirements and integrate data sources.Stay current with HubSpot product updates and the evolving front-end technology landscape.
- SUPERVISORY RESPONSIBILITIES:
- This position may provide mentorship and technical guidance to junior developers but does not typically have direct supervisory responsibilities.
Requirements
- Expertise in HubSpot CMS development, including dynamic pages, blogs, and landing pages.
- Ability to clearly communicate technical concepts to both team members and non-technical stakeholders.
- Advanced proficiency in HUBL and the HubSpot Design Manager.
- Strong written and verbal communication skills.
- Demonstrated ability to deliver performant and semantic code.
- Excellent organization and time management skills with a high degree of attention to detail.
- Deep understanding of responsive design principles and mobile-first development.
Education and Experience
- Minimum of 5+ years of professional front-end development experience.
- Minimum of 2+ years of hands-on experience developing within the HubSpot CMS.
- Proven experience working with modern JavaScript frameworks, specifically React
- Experience partnering with cross-functional teams (e.g., strategy, creative, dev).
- A Bachelor's degree in Computer Science, or a related technical field is required.Experience leading the full website development lifecycle.
Computer and Software Skills
- Expert-level proficiency in HTML5, CSS3/Sass/Less, and modern JavaScript/ES6+.
- Deep experience with version control (Git) and command-line tools.
- Experience with build tools (e.g., Webpack, Babel).
- Knowledge of HubSpot APIs and integrations.
- Back-end development experience (e.g., Node.js, Python, PHP) is a significant plus.
- Proficiency in Microsoft Office and Google Suite
Certificates
- HubSpot CMS Developer Certification is required.
- Other relevant front-end development certifications (e.g., React Specialist) are a plus
Other Qualifications
- Experience with Agile development methodologies (Scrum/Kanban).
- Experience with B2B and B2C website marketing and optimization.
- Portfolio of live HubSpot CMS projects is highly desirable.
- Knowledge of quality assurance and cross-browser testing processes
Top Skills
Babel
CSS3
Es6+
Git
HTML5
Hubl
Hubspot Cms
JavaScript
Node.js
PHP
Python
React
Webpack
SmartBug Media Newport Beach, California, USA Office
4533 MacArthur Blvd, Newport Beach, California , United States, 92660
Similar Jobs
Information Technology • Consulting
As a Front-End Engineer, you will build web experiences using HTML, CSS, and JavaScript, bridging design and production while ensuring quality and performance.
Top Skills:
Craft CmsCSSHTMLJavaScriptReactSassTailwindWordpress
Artificial Intelligence • Information Technology • Sales
As a Senior Frontend Engineer, you will design and build web applications, owning major UI projects, collaborating with cross-functional teams, and optimizing performance for a seamless user experience.
Top Skills:
CSSGraphQLHTMLJavaScriptNext.JsReactTypescript
Artificial Intelligence • Cloud • Fintech • Machine Learning • Mobile • Software
The Senior Front-End Engineer will develop client-side applications, maintain web-based solutions, drive frontend architecture, collaborate across teams, and mentor other engineers.
Top Skills:
.NetCypressGraphQLJestMongoDBReactStyled ComponentsTypescript
What you need to know about the Los Angeles Tech Scene
Los Angeles is a global leader in entertainment, so it’s no surprise that many of the biggest players in streaming, digital media and game development call the city home. But the city boasts plenty of non-entertainment innovation as well, with tech companies spanning verticals like AI, fintech, e-commerce and biotech. With major universities like Caltech, UCLA, USC and the nearby UC Irvine, the city has a steady supply of top-flight tech and engineering talent — not counting the graduates flocking to Los Angeles from across the world to enjoy its beaches, culture and year-round temperate climate.
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
- Key Industries: Artificial intelligence, adtech, media, software, game development
- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering
