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Senior Full Stack Software Engineer Jobs in Massachusetts

Tutor

Full Stack Software Engineer

Watertown, MA · On-site

They are seeking a Full Stack Software Engineer to architect and engineer core software that impacts the physical economy through innovative solutions. Responsibilities : • Architecting and ...

Tutor

Full Stack Software Engineer

Watertown, MA · On-site

The role of Full Stack Software Engineer involves architecting and engineering core software for robot systems, backend services, and machine learning applications, contributing to impactful ...

MORSE Corp

Full Stack Software Engineer

Cambridge, MA · On-site

They are seeking a skilled Full Stack Software Engineer to develop and maintain web applications for various projects, utilizing Agile development processes and cloud technologies. Responsibilities ...

Viasat

Full-Stack Software Engineer

Marlborough, MA · On-site

Viasat is a global leader in communication technology, seeking a Full-Stack Software Engineer to join their Government - Secure Network Systems team. This role involves developing and maintaining ...

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Senior Full Stack Software Engineer information

See Massachusetts salary details

$48.6K

$147.2K

$208.1K

How much do senior full stack software engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior full stack software engineer in Massachusetts is $147,186.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,200.00 and $172,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior full stack software engineer?

To thrive as a Senior Full Stack Software Engineer, you need deep expertise in both front-end and back-end development, strong problem-solving abilities, and a solid foundation in computer science principles, typically demonstrated by a bachelor’s or master’s degree in a related field. Familiarity with frameworks and languages like React, Angular, Node.js, Python, and proficiency in using cloud platforms, version control systems like Git, and continuous integration tools is crucial, and relevant certifications are an advantage. Exceptional communication, leadership, and teamwork skills help you effectively coordinate with cross-functional teams and mentor junior engineers. These skills ensure you can deliver robust, scalable solutions while driving project success and fostering a collaborative development environment.

What does a senior full stack software engineer do?

A typical day for a Senior Full Stack Software Engineer involves designing and implementing new features, reviewing and improving code, and collaborating with product managers, designers, and other developers to deliver project goals. You might split your time between writing code for both front-end and back-end systems, participating in daily stand-up meetings, and providing technical guidance to junior team members. The role often requires balancing hands-on development with architectural planning and problem-solving for complex technical challenges. You’ll also frequently interact with stakeholders to gather requirements and provide updates, ensuring alignment throughout the software development lifecycle.

What is a senior full stack software engineer?

A Senior Full Stack Software Engineer is an experienced developer responsible for designing, building, and maintaining both front-end and back-end systems in web or software applications. They work with a variety of technologies, frameworks, and databases to ensure seamless functionality across the entire software stack. In addition to coding, they often provide technical leadership, mentor junior developers, and contribute to architectural decisions. Their role requires strong problem-solving skills, an understanding of best practices, and the ability to collaborate with cross-functional teams to deliver high-quality software solutions.

What are the most commonly searched types of Full Stack Software Engineer jobs in Massachusetts? The most popular types of Full Stack Software Engineer jobs in Massachusetts are:
What are popular job titles related to Senior Full Stack Software Engineer jobs in Massachusetts? For Senior Full Stack Software Engineer jobs in Massachusetts, the most frequently searched job titles are:
What job categories do people searching Senior Full Stack Software Engineer jobs in Massachusetts look for? The top searched job categories for Senior Full Stack Software Engineer jobs in Massachusetts are:
What cities in Massachusetts are hiring for Senior Full Stack Software Engineer jobs? Cities in Massachusetts with the most Senior Full Stack Software Engineer job openings:
Senior Full Stack Software Engineer jobs near you
Infographic showing various Senior Full Stack Software Engineer job openings in Massachusetts as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $147,186 per year, or $70.8 per hour.

Senior Full-Stack Software Engineer (JavaScript)

S&P Global, Inc.

Cambridge, MA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 9 days ago

S&P Global rating

7.3

Company rating: 7.3 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

Job description

Kensho is S&P Global's hub for AI innovation and transformation. With expertise in machine learning, natural language processing, and data discovery, we develop and deploy novel solutions to innovate and drive progress at S&P Global and its customers worldwide. Kensho's solutions and research focus on business and financial generative AI applications, agents, data retrieval APIs, data extraction, and much more.
At Kensho, we hire talented people and give them the autonomy and support needed to build amazing technology and products. We collaborate using our teammates' diverse perspectives to solve hard problems. Our communication with one another is open, honest, and efficient. We dedicate time and resources to explore new ideas, but always rooted in engineering best practices. As a result, we can innovate rapidly to produce technology that is scalable, robust, and useful.
Kensho's Applications group develops the web apps and APIs that deliver Kensho's AI capabilities to our customers. Our teams are small, product-focused, and intent on shipping high-quality code that best leverages our efforts. We're collegial, humble, and inquisitive, and we delight in learning from teammates with backgrounds, skills, and interests different from our own.
Our App Experiences team focuses on breathing life into novel ML capabilities, translating them into valuable and intuitive end-user experiences. We collaborate closely with our Product and Design teams to understand user needs, looking for creative applications and delivery mechanisms of our technology. We demo early and often, and we keep a tight iteration loop. We sweat the details when it comes to UX.
As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in TypeScript ranging from experimental POCs to full-fledged product offerings. You'll have significant autonomy over technical and architectural choices, and be responsible for managing short- and long-term trade-offs. The ideal candidate loves product and views technology as a means, not an end, and is excited to collaborate across all aspects of the software development lifecycle.
Kensho states that the anticipated base salary range for the position is 150k-225k. In addition, this role is eligible for an annual incentive bonus and equity plans. At Kensho, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case.
What You'll Do:
  • Build full-stack and SPA TypeScript applications ranging from experiments to flagship products
  • Collaborate on product decisions and communicate technical constraints and considerations
  • Own and collaborate on technology/architecture decisions and conventions
  • Teach and learn from the team and the broader organization via mentorship, code review, knowledge sharing, etc.
  • Self-sufficiently manage project priorities, estimates, and deliverables

What You'll Need:
  • At least five years of direct experience building commercial web applications in JavaScript/TypeScript
  • At least three years of that experience working directly on web UIs in a modern framework
  • At least one domain of deep technical expertise (e.g., web performance, design systems, framework knowledge, etc.)
  • Product sense, or a strong interest in developing it
  • Kind, thoughtful, and high-signal communication skills for both technical and non-technical audiences
  • Ability to translate ambiguous needs and constraints into clear technical requirements

Technologies & Tools We Use:
  • Development: TypeScript, React, Next.js, Tailwind, LangGraph, AI SDK, Drizzle
  • Ops: Git, GitHub, Amazon EKS, AWS, Sentry, Langfuse, Prometheus

At Kensho, we pride ourselves on providing top-of-market benefits, including:
  • Medical, Dental, and Vision insurance
  • 100% company paid premiums
  • Unlimited Paid Time Off
  • 26 weeks of 100% paid Parental Leave (paternity and maternity)
  • 401(k) plan with 6% employer matching
  • Generous company matching on donations to non-profit charities
  • Up to $20,000 tuition assistance toward degree programs, plus up to $4,000/year for ongoing professional education such as industry conferences
  • Plentiful snacks, drinks, and regularly catered lunches
  • Dog-friendly office (CAM office)
  • Bike sharing program memberships
  • Compassion leave and elder care leave
  • Mentoring and additional learning opportunities
  • Opportunity to expand professional network and participate in conferences and events

Recruitment Fraud Alert:
If you receive an email from a spglobalind.com domain or any other regionally based domains, it is a scam and should be reported to reportfraud@spglobal.com. S&P Global never requires any candidate to pay money for job applications, interviews, offer letters, "pre-employment training" or for equipment/delivery of equipment. Stay informed and protect yourself from recruitment fraud by reviewing our guidelines, fraudulent domains, and how to report suspicious activity here.
We are an equal opportunity employer that welcomes future Kenshins with all experiences and perspectives. Kensho is headquartered in Cambridge, MA, with an additional office location in New York City. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

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