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Senior Javascript Engineer Jobs in Massachusetts

ECOM

Interactive Developer

Boston, MA · On-site

Job Summary : ECOM is seeking a Senior Interactive Developer (React) to join a small cross ... Experienced JavaScript Developer including JavaScript MVC. • Proven results and history of ...

Harvard University

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

The Senior Software Engineer uses Oracle APEX, JavaScript, jQuery, CSS, and web services to rapidly deliver secure, user-focused web applications and reports. This role employs REST design principles ...

Saviance

Senior DevOps Engineer

Boston, MA · On-site

$141K - $181K/yr

Saviance is seeking a Senior DevOps Engineer to enhance their platform infrastructure. The role ... Python, JavaScript, etc. • Hands-on experience with Docker, Docker Compose, Docker Swarm ...

Hologic Inc.

Senior Applied AI Engineer

Marlborough, MA · On-site

$108K - $148K/yr

Senior Applied AI Engineer Role Summary We are hiring a Senior Applied AI Engineer to help us find ... Solid programming skills in Python, JavaScript/TypeScript, C#, or a similar language, plus a ...

Hologic, Inc.

Senior Applied AI Engineer

Marlborough, MA · On-site

$108K - $148K/yr

Senior Applied AI Engineer Role Summary We are hiring a Senior Applied AI Engineer to help us find ... Pick the right approach for each problem, whether that's custom code (Python, JavaScript/TypeScript ...

Hologic

Senior Applied AI Engineer

Marlborough, MA · On-site

$108K - $148K/yr

Senior Applied AI Engineer Role Summary We are hiring a Senior Applied AI Engineer to help us find ... Solid programming skills in Python, JavaScript/TypeScript, C#, or a similar language, plus a ...

Venus Consultancy

Senior Frontend Engineer

Cambridge, MA · On-site

$133K - $184K/yr

Senior Frontend Engineer (React.js) Team: Strategic Development Team Location: Cambridge (In-person ... Strong hands-on experience with React.js and modern JavaScript/TypeScript * Proficiency in ...

RXinsider LTD.

Senior AI Engineer

Cambridge, MA · On-site

$114K - $156K/yr

This is a senior individual contributor role that sets architecture, codes critical components ... Hands-on frontend engineering experience with TypeScript/JavaScript and a modern framework such as ...

7AI

Senior Frontend Engineer

Boston, MA · On-site

$133K - $183K/yr

Sevenai is seeking a Senior Frontend Engineer to join their core team, focusing on designing and ... in JavaScript and TypeScript. • Strong experience with state management, frontend architecture ...

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Senior Javascript Engineer information

See Massachusetts salary details

$136.5K

$183K

$208.6K

How much do senior javascript engineer jobs pay per year?

As of Sep 12, 2026, the average yearly pay for senior javascript engineer in Massachusetts is $183,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $170,400.00 and $197,100.00 per year, depending on experience, location, and employer.

What does a senior JavaScript engineer do?

A Senior JavaScript Engineer is responsible for designing, developing, and maintaining complex web applications using JavaScript and related technologies. They often lead development teams, make architectural decisions, and ensure best coding practices are followed. In addition to writing code, they may mentor junior developers, review code for quality, and collaborate with cross-functional teams to deliver high-quality software solutions.

What are the key skills and qualifications needed to thrive as a senior JavaScript engineer?

To thrive as a Senior Javascript Engineer, you need deep expertise in JavaScript, modern front-end frameworks (like React or Angular), and a solid grasp of software engineering principles, typically supported by a degree in computer science or equivalent experience. Familiarity with build tools (Webpack, Babel), version control systems (Git), and automated testing frameworks is crucial for efficient development. Strong problem-solving skills, effective communication, and leadership abilities help you mentor team members and collaborate on complex projects. These skills are vital for delivering high-quality, scalable applications and driving innovation within development teams.

What are some common challenges faced by senior JavaScript engineers when leading projects with cross-functional teams?

Senior JavaScript Engineers often encounter challenges such as aligning frontend and backend development timelines, ensuring code quality across distributed teams, and effectively communicating complex technical concepts to non-technical stakeholders. Managing dependencies between various team members and integrating new technologies or frameworks can also present difficulties. Successful engineers overcome these challenges by fostering clear communication, implementing robust documentation, and promoting collaborative problem-solving within agile workflows.

What are popular job titles related to Senior Javascript Engineer jobs in Massachusetts?

For Senior Javascript Engineer jobs in Massachusetts, the most frequently searched job titles are:

What job categories do people searching Senior Javascript Engineer jobs in Massachusetts look for?

The top searched job categories for Senior Javascript Engineer jobs in Massachusetts are:

What cities in Massachusetts are hiring for Senior Javascript Engineer jobs?

Cities in Massachusetts with the most Senior Javascript Engineer job openings:

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Senior Javascript Engineer jobs near you
Infographic showing various Senior Javascript Engineer job openings in Massachusetts as of August 2026, with employment types broken down into 87% Full Time, 6% Part Time, 1% Temporary, and 6% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $183,018 per year, or $88 per hour.

Interactive Developer

Boston, MA • On-site

ECOM
IT Services • 51 - 200 employees
Learn more about ECOMexternal

Full-time

Re-posted 16 days ago

Job description

Job Summary:
ECOM is seeking a Senior Interactive Developer (React) to join a small cross-functional delivery team focused on designing, developing, and delivering front-end web applications for a new client in the Federal space. The role involves building user interfaces and creating user experiences while collaborating with clients and team members in an agile environment.
Responsibilities:
• Design, develop, and deliver front-end web applications.
• Augmentation of user interface code and creation of simple to moderately complex user experiences.
Qualifications:
Required:
• JS React Experience and Knowledge. Technical expertise. -JS React knowledge is Critical—cannot be replaced with Angular
• Practical Agile Experience (Scrum is sufficient)
• Collaboration/Communication
• Candidates MUST have a 4 year degree—this will be screened and checked during the interview process and in the badging/background check process. Please make sure to check this while screening
• At minimum 5+ years of experience
• Bachelor's degree from an accredited college or university
• Ability to pass background investigation and obtain U.S. Government clearance (public trust)
• Demonstrated, hands-on experience
• Experienced JavaScript Developer including JavaScript MVC.
• Proven results and history of solution delivery working with HTML5, JavaScript, CSS.
• Solid understanding of web technologies, responsive design and alignment with the latest trends and best practices.
• Excellent communication, time-management and process-management skills.
• The capability to lead or contribute to a fast-paced agile delivery team
• A willingness to explore and find creative solutions to difficult problems
• A drive to learn new technologies and skills
• An empathetic and thoughtful approach to teamwork and collaboration
Preferred:
• React experience is a plus.
• Esri JavaScript API for ArcGIS is a plus, but not required
• Experience managing build pipeline dependencies is plus
• Built Section 508 (WCAG 2.0 Level AA) compliant solutions is a plus
• Previous Federal contracting experience is a plus
Company:
Ecom finds their Clients the right IT experts with the right qualifications. Founded in 2018, the company is headquartered in Houston, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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