257 senior react developer jobs at 150 companies in Ashburnham, MA
2mo
Save
Mark Applied
Hide
2mo
Senior Full Stack Engineer(React, Node.JS)
Boston, Massachusetts, United States
$155k-$175k/yrRemoteFull Time
Linus Health: Digital health platform providing AI-powered cognitive assessment tools.
5+ YOE5+ years software engineering experience with expertise in React and Node.js, 3+ years building RESTful services, strong JS/TypeScript tooling experience, frontend performance optimization, and excellent communication.
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
8+ YOE8+ years software engineering experience (or Master's+6yrs), bachelor’s in software engineering/STEM, DoD Secret clearance and U.S. citizenship, Java/React experience, SQL/PostgreSQL, EM tools, strong communication and leadership.
SQL, PostgreSQL, Java, JavaScript, React, Hibernate, Spring, WildFly, REST, RESTCONF, Material UI, SNMP, Public Key Infrastructure, AI
Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yrHybridFull Time
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products and services.
5+ YOESenior software developer with 7+ years of experience, skilled in React and Java/Spring Boot, strong communication, and ability to manage multiple priorities.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOERequires 6+ years building production software, 4+ years with TypeScript/JavaScript and Node, deep React expertise, system-level design ownership, mentoring, strong writing, and ability to obtain a DoD Secret clearance as a U.S. citizen.
Pixability: Optimizes video ad performance across YouTube and Connected TV.
6+ YOE6+ years of professional software engineering; strong backend with Python; data pipelines or large-scale systems; production web apps, APIs, distributed systems; React frontend; MySQL/Snowflake; AWS; Docker, Terraform, CI/CD; testing; collaborative; Boston office 2 days/week.
Beacon Biosignals: Provides AI-powered EEG monitoring and analytics for brain health.
8+ YOE8+ years front-end experience with React and Typescript, experience building data-rich apps, GraphQL familiarity, strong product/UX focus, and debugging/performance skills.
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
5+ YOE5+ years of software development; full-stack SaaS experience; clean, maintainable code; strong communication; able to work in fast-paced environment.
Levo: A building AI-powered workforce platform for healthcare providers.
3+ YOE3-6 years software engineering; React, TypeScript, Python; experience with LLMs and agentic workflows; product-minded; shipping production systems.
WHOOP: Wearable technology for personalized health and performance tracking.
2+ YOE2–5 years software development; web apps with Next.js/React/Tailwind; REST APIs; large language model experience; collaborative in fast-paced environment.
America's Test Kitchen: Provides tested recipes and reviews for home cooks.
6+ YOE6+ years software development experience; expert in Node.js, React, Python; experience with AWS, containerization, CI/CD, REST APIs, and databases; strong communication and problem-solving.
Confluence: Software for investment management data and regulatory reporting.
Experience with C#, backend development, web front-ends (React), cloud platforms (Azure preferred, AWS considered), CI/CD/DevOps, API design, and collaboration with product and data stakeholders.