This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Framingham, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Framingham, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Peabody, MA ยท Remote
$127K - $167K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Peabody, MA ยท Remote
$127K - $167K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Watertown, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Watertown, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Front-End Web Developer
Weymouth, MA ยท On-site
Apply now: Front-end Web Developer , location is hybrid . The start date is ASAP for this 6 month contract to hire position. Job Title: Front-End Web Developer Location-Type: Hybrid Onsite - Weymouth ...
Quick apply
Front-End Web Developer
Weymouth, MA ยท On-site
Apply now: Front-end Web Developer , location is hybrid . The start date is ASAP for this 6 month contract to hire position. Job Title: Front-End Web Developer Location-Type: Hybrid Onsite - Weymouth ...
Senior Optimizely CMS Developer
Brookline, MA ยท Remote
$122K - $160K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Brookline, MA ยท Remote
$122K - $160K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Revere, MA ยท Remote
$118K - $155K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Revere, MA ยท Remote
$118K - $155K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Woburn, MA ยท Remote
$122K - $161K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Woburn, MA ยท Remote
$122K - $161K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Somerville, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Somerville, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Waltham, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Waltham, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Frontend Engineer, AI Observability & Evals Platform
Cambridge, MA ยท On-site
$160 - $195/hr
About The Role: We're looking to add a frontend engineer to develop and enhance new features on LangSmith, working on our enterprise platform product for LLM application observability, testing, and ...
Frontend Engineer, AI Observability & Evals Platform
Cambridge, MA ยท On-site
$160 - $195/hr
About The Role: We're looking to add a frontend engineer to develop and enhance new features on LangSmith, working on our enterprise platform product for LLM application observability, testing, and ...
Senior CMS Developer Optimizely
Weymouth, MA ยท Remote
$122K - $160K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Weymouth, MA ยท Remote
$122K - $160K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Newton, MA ยท Remote
$126K - $165K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Newton, MA ยท Remote
$126K - $165K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Woburn, MA ยท Remote
$122K - $161K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Woburn, MA ยท Remote
$122K - $161K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Somerville, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Somerville, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Chelsea, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Chelsea, MA ยท Remote
$125K - $164K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Malden, MA ยท Remote
$119K - $157K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Malden, MA ยท Remote
$119K - $157K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Lexington, MA ยท Remote
$128K - $168K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior Optimizely CMS Developer
Lexington, MA ยท Remote
$128K - $168K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Brookline, MA ยท Remote
$122K - $160K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Brookline, MA ยท Remote
$122K - $160K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Needham, MA ยท Remote
$126K - $166K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Senior CMS Developer Optimizely
Needham, MA ยท Remote
$126K - $166K/yr
This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.
Frontend Developer information
See Watertown, MA salary details
$46.2K - $57.4K
0% of jobs
$57.4K - $68.6K
1% of jobs
$68.6K - $79.7K
2% of jobs
$79.7K - $90.9K
3% of jobs
$90.9K - $102.1K
6% of jobs
$107.4K is the 25th percentile. Wages below this are outliers.
$102.1K - $113.3K
26% of jobs
The median wage is $117.1K / yr.
$113.3K - $124.4K
34% of jobs
$127.5K is the 75th percentile. Wages above this are outliers.
$124.4K - $135.6K
10% of jobs
$135.6K - $146.8K
9% of jobs
$146.8K - $157.9K
6% of jobs
$157.9K - $169.1K
3% of jobs
$46.2K
$120.1K
$169.1K
How much do frontend developer jobs pay per year?
What is a frontend developer?
What are the key skills and qualifications needed to thrive as a frontend developer, and why are they important?
How do frontend developers collaborate with designers and backend teams during a project?
What is the difference between Frontend Developer vs Web Designer?
| Aspect | Frontend Developer | Web Designer |
|---|---|---|
| Primary Focus | Building and coding website interfaces using HTML, CSS, JavaScript | Designing visual layout, user experience, and aesthetics |
| Skills & Certifications | HTML, CSS, JavaScript, frameworks, coding skills | Design tools (Photoshop, Sketch), UX/UI principles |
| Work Environment | Collaborates with developers and backend teams in tech settings | Works with clients, marketing teams, and creative departments |
| Industry Usage | Web development companies, tech firms, startups | Design agencies, marketing firms, freelance projects |
While both roles contribute to website creation, a Frontend Developer focuses on coding and implementing interactive features, whereas a Web Designer emphasizes visual design and user experience. Understanding these differences helps in choosing the right career path or job search focus.
Are frontend developers still in demand?
What exactly does a front-end developer do?
What cities near Watertown, MA are hiring for Frontend Developer jobs?
Cities near Watertown, MA with the most Frontend Developer job openings:

Job description
Join a fast-moving digital marketing team that is investing heavily in modern web technology, experimentation, and data-driven growth. This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS solutions, launching sophisticated experiments, and using AI-assisted tools to work faster and smarter.
Responsibilities- Build and maintain reusable components, page templates, and content models within Optimizely CMS to help marketing teams launch web pages efficiently.
- Design CMS architecture that supports scalability, security, and strong performance, including Core Web Vitals optimization.
- Develop and support integrations between Optimizely CMS and enterprise platforms such as Salesforce, Marketo, Adobe Commerce, and internal systems.
- Create and deploy advanced A/B, split, and multivariate tests in Optimizely Web Experimentation, including custom DOM manipulation and dynamic content changes.
- Implement personalized web experiences for targeted B2B audiences and account-based marketing campaigns.
- Partner on server-side testing and feature flagging when frontend testing is not the best fit.
- Perform thorough cross-browser and cross-device testing to help ensure smooth, consistent user experiences with minimal flicker or layout shift.
- Define and document best practices, technical standards, and governance guidelines for Optimizely-related work.
- Collaborate closely with CRO, product, and design teams to evaluate ideas, prototype solutions, and translate designs into polished digital experiences.
- Use AI-assisted development tools to accelerate coding, debugging, testing, and experimentation workflows.
- 5+ years of full-stack web development experience.
- At least 3+ years of hands-on experience working within the Optimizely ecosystem.
- Strong backend development skills with C# and .NET Core/MVC, especially in Optimizely CMS environments.
- Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6+, jQuery, React, or Vue.
- Deep understanding of Optimizely platform concepts such as Project JS, visual tags, audience targeting, anti-flicker approaches, and caching behavior.
- Experience building for complex B2B websites, including lead generation and gated content workflows.
- Strong Git knowledge and familiarity with modern CI/CD workflows such as Azure DevOps or GitHub Actions.
- Ability to work independently while also partnering effectively with cross-functional teams.
- A proactive, solution-oriented mindset with a focus on speed, quality, and continuous improvement.
- Active Optimizely Developer certification in CMS or Web Experimentation.
- Experience supporting server-side experimentation and feature flagging initiatives.
- Familiarity with UX/UI collaboration and translating wireframes or Figma designs into interactive experiences.
- Comfort using AI tools such as GitHub Copilot or ChatGPT to support development efficiency.
- Experience working in remote-first environments and collaborating across multiple locations.
Horizontal is committed to fostering an inclusive environment where all qualified candidates can thrive. We value diversity, equity, and inclusion as essential to building strong teams, better ideas, and better outcomes.
By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex.About Horizontal Talent
Sourced by ZipRecruiter
Industry
Recruiting and staffing services
Company size
201 - 500 Employees
Headquarters location
Saint Louis Park, MN, US
Year founded
2003