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Senior Javascript Developer Jobs in Boston, MA (NOW HIRING)

Sr Software Developer

Milford, MA

$59.75 - $79/hr

As a Sr Software Engineer in Milford MA , you'll be working with technology used for quality ... Continuous delivery, with pipelines implemented in Kubernetes, Docker * Front-End JavaScript ...

Sr. Distinguished Engineer

Cambridge, MA

$114K - $156K/yr

Sr. Distinguished Engineer As a Sr. Distinguished Engineer at Capital One, you will be a part of a ... Web technologies (JavaScript, TypeScript and SPA frameworks) * Full ML development lifecycle using ...

Sr. Java Developer

Waltham, MA · On-site

$61.75 - $78.75/hr

Job Title: Sr. Java Developer Terms: 6+ Contract Location: Boston, MA (Waltham, MA) Description ... spent using JavaScript, CSS3, HTML5, JQuery • 20% Java/JSP • Must be systematic in your ...

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 ...

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 ...

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 ...

Senior Applications Developer

Boston, MA · On-site

$104K - $143K/yr

This senior application developer will design and develop applications for use by InterSystems ... Demonstrable competence in XML, XSL, SOAP, Web Services, eCommerce, HTML, JavaScript. * Demonstrate ...

Showing results 41-60

Senior Javascript Developer information

See Boston, MA salary details

$33

$65

$86

How much do senior javascript developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior javascript developer in Boston, MA is $65.62, according to ZipRecruiter salary data. Most workers in this role earn between $58.75 and $74.66 per hour, depending on experience, location, and employer.

What is a senior JavaScript developer?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

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

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are typical challenges faced by senior JavaScript developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the most commonly searched types of Javascript Developer jobs in Boston, MA?

The most popular types of Javascript Developer jobs in Boston, MA are:

What cities near Boston, MA are hiring for Senior Javascript Developer jobs?

Cities near Boston, MA with the most Senior Javascript Developer job openings:

Infographic showing various Senior Javascript Developer job openings in Boston, MA as of August 2026, with employment types broken down into 75% Full Time, 9% Part Time, 2% Temporary, and 14% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $136,491 per year, or $65.6 per hour.

$59.75 - $79/hr

Full-time

Medical, Life

Posted 18 days ago


Job description

We need your talent!  Waters Corporation is currently seeking a Sr Software Engineer to joinourGlobal Software Engineering team. 

Our team understands the value of their work in the real world. As a Sr Software Engineer in Milford MA, you'll be working with technology used for quality testing and the development of nearly every drug taken in around the globe. These are processes that we want to optimize. Consider this, today’s lab instruments can only be viewed from the lab – our mission here is to be able to enable scientists to see their lab results from Starbucks, home, anywhere you can access the internet. 

In Waters, the Lab and Data Management group produces softwarethat is used by people worldwide for specialist measurement and scientific analysis. We are currently seeking a Senior Software Engineer to work in one of our Cloud Development teams. We work in a collaborative, agile environment, where team members are empowered to innovate and continually improve. We believe strongly inthe value of personal development, andprovide support and dedicated time for our people to pursue their development.

You will workin a fast-paced, agile environmentand engage in technical discussions, participate in technical designs, demonstrate problem-solving abilities, and present and share ideas through global collaboration. 

If this is the type of culture you excel in, then we look forward to speaking with you. 


The meaningful work you will be asked to lead: 

  • Lead User Story refinement meetings to ensure stories are understood and decomposed adequately 
  • Collaborate with cross-functional teams to design, document and implement quality solutions 
  • Workindependentlyand as part of a teamwith deep focus on hard technical problems and explain the why, how, and what, thatmakesyour solution technically sound, provide constructive feedback regarding best practices, performance, and maintainability 
  • Stay ahead of the curve with respect to new technologies and techniques with an eye towards continual improvement of both the team’s skill set and the product goals  
  • To act as technical expert and mentor for coding, process and best practices (e.g. adherence to Definition of Done) and effectively communicate this to the team 
  • Collaborate across teams to improve working practices and skill levels   
  • To carry out all responsibilities in accordance with the Quality Policy and all applicable procedures 

Abilities that will help you be successful: 

  • Extensive knowledge and proven experience as a software developer, with exposure to elements of our back end technology stack, including C#, .NET.
  • Good experience working with Amazon Web Services, Microservices, API development 
  • Knowledge and application of software engineering practices (e.g. Unit testing, TDD, CI/CD, SOLID, BDD etc.). 
  • Proven ability to lead design and development of complex features 
  • Proven ability to work as part of an Agile delivery team. 
  • Ability to analyse and solve problems using critical thinking to identify cross-domain concerns.
  • Excellent communication and team building skills. 

Other Qualifications:

  • Knowledge and experience with Agentic development, Cursor or Claude, developing specifications, reviewing output, and ensuring quality and accuracy.
  • Strong understanding ofcomputer science algorithms, data structures, anddesign patterns 
  • Hands-on experience with IoT cloud platform technologies 
  • Proficiency in designing Multi-tenant SaaS applications with high-volume transactions 

Preferred Qualifications:

  • Continuous delivery, with pipelines implemented in Kubernetes, Docker 
  • Front-End JavaScript Frameworks, especially Angular with Jasmine unit testing
  • Experience implementing and maintaining Datadog 
  • Experience using GitHub and GitHub Actions 
  • Behaviour Driven Development (BDD), with Gherkin & SpecFlow 
  • Atlassian Jira and Confluence
  • Software security best practices and implementation, e.g. OWASP, PKI, X509 Certificates, TLS
  • Software development for regulated environments, e.g. IVD / Medical devices

Waters Corporation (NYSE:WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide. 

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.