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Fullstack Javascript Developer Jobs in Massachusetts

PathAI

Senior Software Engineer, Fullstack

Boston, MA · On-site +1

$127K - $195K/yr

We're looking for skilled and experienced engineers to join our team and help lay the groundwork ... Experience with modern frontend JavaScript frameworks such as React, Vue, or equivalent for ...

PathAI

Senior Software Engineer, Fullstack

Boston, MA · On-site

$127K - $195K/yr

We're looking for skilled and experienced engineers to join our team and help lay the groundwork ... Experience with modern frontend JavaScript frameworks such as React, Vue, or equivalent for ...

PathAI

Senior Software Engineer, Fullstack

Boston, MA · On-site

$127K - $195K/yr

We're looking for skilled and experienced engineers to join our team and help lay the groundwork ... Experience with modern frontend JavaScript frameworks such as React, Vue, or equivalent for ...

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All JobsFullstack Javascript Developer JobsFullstack Javascript Developer Jobs in Massachusetts

Fullstack Javascript Developer information

See Massachusetts salary details

$32.2K

$116.4K

$184.6K

How much do fullstack javascript developer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for fullstack javascript developer in Massachusetts is $116,402.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,100.00 and $139,800.00 per year, depending on experience, location, and employer.

What is a fullstack JavaScript developer?

A Fullstack JavaScript Developer is a software engineer who works on both the frontend and backend of web applications using JavaScript-based technologies. They develop user interfaces with frameworks like React, Angular, or Vue.js while also managing server-side logic using Node.js with databases like MongoDB or PostgreSQL. Their responsibilities include designing, coding, testing, and deploying applications to ensure seamless functionality across the entire stack.

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

To thrive as a Fullstack Javascript Developer, you need proficiency in both frontend and backend JavaScript frameworks such as React, Angular, or Vue.js, and Node.js, along with a solid understanding of web development concepts and a relevant degree or coding bootcamp experience. Familiarity with databases (SQL, MongoDB), version control systems (Git), cloud platforms, and agile development tools is commonly expected, and certifications like AWS Certified Developer can be beneficial. Strong problem-solving abilities, teamwork, and clear communication help developers collaborate effectively and adapt to rapidly changing project requirements. These combined skills enable developers to build, deploy, and maintain comprehensive web applications that meet real-world business needs.

What does a typical workday look like for a fullstack JavaScript developer?

A typical day for a Fullstack Javascript Developer involves a mix of coding, collaborating with other developers, and attending meetings to discuss project requirements or progress. You might spend your morning implementing new features or fixing bugs in either the frontend or backend of an application, and your afternoon reviewing code, handling pull requests, or optimizing performance. Working with product managers, designers, and QA testers is common to ensure the application meets both technical standards and user needs. The work environment is often fast-paced and collaborative, offering opportunities to learn from peers and stay updated with the latest technologies.

What are popular job titles related to Fullstack Javascript Developer jobs in Massachusetts?

For Fullstack Javascript Developer jobs in Massachusetts, the most frequently searched job titles are:

What job categories do people searching Fullstack Javascript Developer jobs in Massachusetts look for?

The top searched job categories for Fullstack Javascript Developer jobs in Massachusetts are:

Fullstack Javascript Developer jobs near you
Infographic showing various Fullstack Javascript Developer job openings in Massachusetts as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $116,402 per year, or $56 per hour.

Senior Fullstack Engineer, Boston

Venus Consultancy

Cambridge, MA • On-site

Full-time

Re-posted 4 days ago

Job description

About Us

We are a fast-growing GenAI startup building intelligent, production-grade applications powered by large language models and modern cloud infrastructure. Our mission is to transform how businesses interact with data and automation through AI-first products.

Role Overview

We are seeking a talented Full Stack Engineer to help design, build, and scale our GenAI platform. You will work across frontend, backend, and AI-integrated services, collaborating closely with product, ML, and design teams to deliver impactful user experiences.

Responsibilities

  • Design and develop scalable frontend applications using React / Next.js (or similar frameworks)

  • Build backend APIs and services using Python, Node.js, or Go

  • Integrate GenAI/LLM workflows (OpenAI, Anthropic, HuggingFace, etc.) into production systems

  • Develop secure, high-performance REST/GraphQL APIs

  • Work with vector databases and traditional data stores (Postgres, Redis, Pinecone, Weaviate, etc.)

  • Implement authentication, authorization, and observability best practices

  • Deploy and maintain cloud infrastructure on AWS/GCP/Azure

  • Collaborate with ML engineers on model serving and inference pipelines

  • Participate in architecture discussions and contribute to technical direction

  • Own features end-to-end—from concept to production

Required Qualifications

  • Strong experience in Full Stack development (frontend + backend)

  • Proficiency in JavaScript/TypeScript and one backend language (Python preferred)

  • Experience with modern frontend frameworks (React/Next.js/Vue)

  • Hands-on experience building APIs and microservices

  • Familiarity with cloud platforms and CI/CD pipelines

  • Solid understanding of databases and system design

  • Passion for startups, ownership, and rapid iteration

Nice to Have

  • Experience working with LLMs or GenAI frameworks (LangChain, LlamaIndex, etc.)

  • Knowledge of vector databases and RAG pipelines

  • DevOps experience (Docker, Kubernetes, Terraform)

  • Prior startup experience

What We Offer

  • Opportunity to build cutting-edge GenAI products from the ground up

  • High ownership and real impact on product direction

  • Collaborative, fast-paced startup culture

  • Competitive salary + equity

  • Flexible work environment

  • Learning budget and career growth opportunities