ZipRecruiter

Log In

1

Sr Fullstack Developer Jobs in Massachusetts (NOW HIRING)

Symbotic

Senior Fullstack Engineer

Wilmington, MA · Hybrid

$149K - $204K/yr

As a Senior Engineer you are expected to own architecture-level decisions, drive delivery across multiple services and teams, raise engineering quality, and mentor developers while remaining hands-on ...

Symbotic

Senior Fullstack Engineer

Wilmington, MA · On-site

$149K - $204K/yr

As a Senior Engineer you are expected to own architecture-level decisions, drive delivery across multiple services and teams, raise engineering quality, and mentor developers while remaining hands-on ...

Nivoda Limited

Senior Fullstack Engineer

Boston, MA · On-site

$170 - $190/hr

About the Role As a Senior Full-Stack Engineer on the Growth pod, you'll own end-to-end ... and developer productivity - and bring what you learn back to the team. * Mentor more junior ...

Jobtailor

Senior Fullstack Engineer

Boston, MA · On-site

$140 - $190/hr

... developer productivity - and bring what you learn back to the team. * Mentor more junior engineers and help build an engineering culture that's proud of both its speed and its craft. Requirements ...

eInfochips

Java FullStack Developer

Boston, MA · On-site

$57 - $73.50/hr

As a Senior Software Engineer you will work with our Cloud Platform team designing and developing web services, device IoT services and REST APIs. Principal Duties and Responsibilities: Design and ...

Nvidia

Senior Fullstack Software Engineer

Westford, MA · Hybrid

$127K - $167K/yr

As a senior software engineer, you will craft highly efficient software to automate and facilitate chip design and verification processes. What You'll be Doing: * Work as a team to build reliable ...

eInfochips

Java FullStack Developer

Boston, MA · On-site

$57 - $73.50/hr

As a Senior Software Engineer you will work with our Cloud Platform team designing and developing web services, device IoT services and REST APIs. Principal Duties and Responsibilities: Design and ...

next page

Showing results 1-20

All JobsSr Fullstack Developer JobsSr Fullstack Developer Jobs in Massachusetts

Sr Fullstack Developer information

What is the difference between Sr Fullstack Developer vs Backend Developer?

AspectSr Fullstack DeveloperBackend Developer
Required SkillsProficiency in both frontend (JavaScript, HTML, CSS) and backend (Node.js, Python, Java)Specialized in server-side languages and database management
Work EnvironmentWorks on both client-facing and server-side componentsFocuses primarily on backend systems and APIs
Common UsageUsed across full product development teamsPrimarily in backend-focused roles within development teams

The main difference between a Sr Fullstack Developer and a Backend Developer is the scope of expertise. A Sr Fullstack Developer handles both frontend and backend tasks, while a Backend Developer specializes in server-side development. Both roles require strong programming skills, but the Fullstack role demands broader knowledge across the entire application stack.

What is a Sr Fullstack Developer?

A Sr Fullstack Developer is an experienced software engineer who is proficient in both frontend and backend development. They work with a variety of programming languages, frameworks, and databases to build fully functional web applications. In addition to coding, senior fullstack developers often lead projects, mentor junior developers, and help make architectural decisions. Their broad skill set allows them to handle tasks across the entire technology stack, ensuring that applications are efficient, scalable, and user-friendly.

What are the key skills and qualifications needed to thrive as a Sr Fullstack Developer, and why are they important?

To thrive as a Sr Fullstack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, typically supported by a computer science degree or equivalent experience. Familiarity with tools such as Git, Docker, CI/CD pipelines, cloud platforms, and relevant certifications like AWS Certified Developer or similar are often expected. Strong problem-solving abilities, effective communication, and a collaborative mindset are vital soft skills for this role. These competencies enable developers to deliver robust, scalable solutions and effectively drive projects to completion in dynamic team environments.

What are some typical challenges a Sr Fullstack Developer faces when balancing front-end and back-end responsibilities?

Sr Fullstack Developers often need to juggle tasks across both the front-end and back-end, which can be challenging when priorities shift quickly or deadlines are tight. Balancing deep technical knowledge in multiple frameworks and languages while ensuring seamless integration requires strong organizational skills and effective communication with both UI/UX designers and backend engineers. Additionally, staying updated with evolving technologies on both ends is crucial, so time management and continuous learning are key to success in this role.
What are popular job titles related to Sr Fullstack Developer jobs in Massachusetts? For Sr Fullstack Developer jobs in Massachusetts, the most frequently searched job titles are:
What job categories do people searching Sr Fullstack Developer jobs in Massachusetts look for? The top searched job categories for Sr Fullstack Developer jobs in Massachusetts are:
Sr Fullstack Developer jobs near you
Infographic showing various Sr Fullstack Developer job openings in Massachusetts as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 5% Part Time, and 4% Contract. Highlights an 84% Physical, 6% Hybrid, and 10% Remote job distribution.

Senior Fullstack Engineer, Growth & Monetization

LangChain

Cambridge, MA • On-site

Full-time

Re-posted 25 days ago

Job description

Job Summary:
LangChain is a company focused on making intelligent agents ubiquitous by providing a platform for building AI agents. The Senior Fullstack Engineer will be responsible for developing foundational product features and integrations that enhance user acquisition and growth, working closely with various teams to optimize the user experience.
Responsibilities:
• Work across our stack (React, TypeScript, Python, Go) to deliver full-stack product features that drive growth and retention
• Build flexible experimentation systems and processes capable of targeting diverse growth metrics
• Participate in data-driven, rapid growth experiments across the user funnel from onboarding to monetization
• Design and ship new onboarding features and improvements that accelerate time to value
• Build growth levers including usage-based guardrails, smart upgrade triggers, and contextual CTAs
• Collaborate closely with product, design, GTM, and analytics teams to identify, prioritize, and execute high-impact growth opportunities
Qualifications:
Required:
• Extensive fullstack software development experience using React, TypeScript, and Go and/or Python
• Strong product intuition and a track record of working on monetization, pricing, or activation features
• Familiarity with usage metering, subscriptions, and internal tooling for pricing experiments
• Comfortable working with REST APIs, Postgres, Redis, and modern backend infra
• Startup DNA with the ability to thrive in fast-paced, zero-to-one environments
• Self-directed with an ownership mindset
Preferred:
• Experience building for developers or product-led growth platforms
• Familiarity with LLMs, GenAI applications, or agentic frameworks
Company:
LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents. Founded in 2022, the company is headquartered in San Francisco, USA, with a team of 51-200 employees. The company is currently Growth Stage.

Apply