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360 senior react jobs at 194 companies in Massachusetts

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Senior Full Stack Engineer(React, Node.JS)
Boston, Massachusetts, United States
$155k-$175k/yr RemoteFull Time
Linus Health
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.
React, Node.js, JavaScript, TypeScript, Webpack, Vite, Babel, ESLint, Jest, Cypress, Playwright, React Native, iOS, Swift, D3, Victory, Recharts, Temporal, Aurora Postgres, Java
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Senior Full Stack Engineer (Java/React)
Taunton, Massachusetts, United States
$130k-$138k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
5+ YOEBachelor's in Software Engineering or related field required; 5+ years' related experience (or Master's +3). DoD Secret clearance and U.S. citizenship required. Strong Java, React, SQL/PostgreSQL, Hibernate, and Spring experience.
Java, JavaScript, React, SQL, PostgreSQL, Hibernate, Spring, Wildfly, REST API, RESTCONF, Material UI, SNMP, Public Key Infrastructure
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2mo
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Senior Front End Software Developer (AI, React, JavaScript) - Remote US
Waltham or United States
$130k-$158k/yr RemoteFull Time
Revvity
RevvityNYSE: RVTY: Sells laboratory equipment and diagnostic tests for healthcare research.
3+ YOE3-4+ years frontend JavaScript/React experience; UI/UX, Agile; experience with React/TypeScript and AI tooling; remote-friendly, collaborative.
JavaScript, TypeScript, React, AI tools
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Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yr HybridFull Time
The Hanover Insurance Group
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.
Java, Spring Boot, React, Docker, Kubernetes, GitHub Copilot, CI/CD, AWS, Azure, GCP
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Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yr HybridFull Time
The Hanover Insurance Group
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products to individuals and businesses.
5+ YOESenior software engineer with 5+ years (or 7+), strong JS/React, Java/Spring Boot, AWS cloud, CI/CD, and collaborative skills.
React, Spring Boot, Java, Kubernetes, Docker, CI/CD, AWS, Azure, GCP, GitHub Copilot, UX/UI
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Senior Software Engineer, Lab Software
Cambridge, Massachusetts, United States
$144k-$210k/yr OnsiteFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
5+ YOESenior backend-focused software engineer with 5-8+ years of experience building large-scale systems; full-stack development; Python, FastAPI, React, TS, SQL/NoSQL; cloud, AWS, Kubernetes; collaboration with scientists.
React, TypeScript, Tailwind, FastAPI, SQL, NoSQL, Python, Pydantic, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions, Airflow, Prefect, Temporal, Dagster
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Collateral Management Senior Software Engineer, VP
Quincy, Massachusetts, United States
$120k-$203k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
10+ YOESenior Software Engineer with experience in large software projects; hybrid work model; strong Java/Spring Boot, React, Azure Databricks, Kafka, SQL; experience in DevOps and CI/CD.
Java, Spring Boot, React, Azure, Databricks, AKS, Kafka, Hadoop, Hive, Spark, Jenkins, SOAP, REST, Autosys, CRON, Quartz, WebSphere, WebLogic, Tomcat, J2EE, JSP, Servlets, Struts 2.0, MQ, SQL, PL/SQL, DOM
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Collateral Management Senior Software Engineer, VP
Quincy, Massachusetts, United States
$120k-$203k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment management and custody services to institutional investors.
10+ YOESenior software engineer with Azure, Databricks, AKS experience; Java/Spring Boot and React; Kafka and Big Data tech; DevOps; 10+ years IT experience.
Azure, Databricks, AKS, Java, Spring Boot, React, Kafka, Hadoop, Hive, Spark, Autosys, CRON, Jenkins, SOAP, REST
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Senior Software Developer
Boston, Massachusetts, United States
$150k-$200k/yr RemoteFull Time
Interra Health
Interra Health: Provides digital tools for ePrescribing and pharmacy price transparency.
10+ YOE10+ years in .NET (C#) and React; Azure; SQL Server; API design; CI/CD; agile; regulatory experience preferred.
.NET Core (C#), React, TypeScript, Azure, MS SQL Server, OAuth2, JWT, GitHub Actions, Azure DevOps, Docker, Kubernetes, OpenTelemetry, App Insights, CI/CD
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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$160k/yr HybridFull Time
Grand Circle Corporation
Grand Circle Corporation: Provides international adventure travel and cruises for senior citizens.
5+ YOE5–8+ years full-stack engineering; C#/.NET or Java; React/TypeScript; APIs; SQL; Git; CI/CD; Azure; Agile; secure coding.
C#, Java, React, TypeScript, SQL, Git, CI/CD, Azure, Cloud
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3mo
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Senior Software Engineer
Boston, Massachusetts, United States
$125k-$150k/yr OnsiteFull Time
InvoiceCloud
InvoiceCloud: Provides digital billing and payment solutions for essential services.
5+ YOE5+ years in enterprise software, FinTech experience, strong JavaScript (Angular/React), .NET (VB.NET/C#/ASP.NET), Azure, APIs, AI tooling, and database/security expertise.
JavaScript, Angular, React, HTML, CSS, JQuery, .NET, VB.NET, C#, ASP.NET, WebForms, MVC, WebAPI, Visual Studio, Azure DevOps, TFS, VSTS, Microsoft Azure, SQL Server, T-SQL, ADO.NET, REST APIs, Microservices, Event-driven architecture, AI tooling, Claude, Codex, Code generation, CI/CD
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Front-End Software Engineer (React/Typescript)
Boston or New York City
HybridFull Time
Beacon Biosignals
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.
React, Typescript, GraphQL
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Senior Software Engineer
Boston or New York City
HybridFull Time
Clarasight
Clarasight: AI-powered operating system for corporate travel and expense management.
3+ YOE3+ years of software engineering; full-stack experience (React/TypeScript, Node.js, Python); startup/early-stage experience; experience with data pipelines, ETL, and analytics; quick learner.
React, TypeScript, Node.js, Python
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Senior Software Engineer
Wilmington, Massachusetts, United States
$149k-$205k/yr HybridFull Time
Symbotic
SymboticNasdaq: SYM: AI-powered robotics and software for warehouse automation.
8+ YOE8+ years in software development; strong C# .NET, WPF; web frontend (JavaScript/TypeScript/React/Node.js); experience in distributed, high-availability systems; BS in CS or related field or equivalent experience.
C#/.NET, WPF, JavaScript, TypeScript, React, Node.js
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2mo
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Senior Front End Engineer
Cambridge, Massachusetts, United States
$150k-$185k/yr OnsiteFull Time
Blitzy
Blitzy: Autonomous AI platform for enterprise software development.
10+ YOE10+ years frontend experience; expert in JavaScript/TypeScript; deep React knowledge; strong state management; build tooling; leadership and mentorship; frontend performance and accessibility.
JavaScript, TypeScript, React, Redux, MobX, Zustand, Webpack, Vite, esbuild, Jest, React Testing Library, Playwright, Cypress, GraphQL, WebSockets, Framer Motion, Accessibility (WCAG), CI/CD, Testing
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Senior Software Engineer (Frontend, Growth)
Boston, Massachusetts, United States
$150k-$215k/yr OnsiteFull Time
WHOOP
WHOOP: Wearable technology for personalized health and performance tracking.
5+ YOE5+ years frontend experience with TypeScript/React; Next.js; web performance; Stripe; APIs; mentorship; on-call; async collaboration.
TypeScript, React, Next.js, Cloudflare Workers, Stripe, CommerceTools, Datadog, Sentry, Amplitude
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Senior Manager, Engineering
Boston, Massachusetts, United States
$164k-$200k/yr OnsiteFull Time
Blue Cross Blue Shield of Massachusetts
Blue Cross Blue Shield of Massachusetts: Provides health and dental insurance plans and managed care.
10+ YOE5+ MgmtSenior leadership role leading software engineering for digital platforms; 10+ years' software engineering experience with at least 5 years in management; strong technical and leadership skills.
Angular, React Native, REST API, Apigee, SpringBoot, AWS, DevSecOps, F5, Confluent Kafka, Load Testing Tools, Splunk, New Relic, BrowserStack
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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$165k/yr HybridFull Time
Pixability
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.
Python, React, AWS, Docker, Terraform, CI/CD
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1mo
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Senior Software Engineer
Waltham, Massachusetts, United States
$147k-$198k/yr OnsiteFull Time
Markforged
MarkforgedNYSE: MKFG: Manufacturer of industrial 3D printing systems, software, and materials.
5+ YOE5+ years experience building and shipping high-quality full-stack software; Bachelor's in Computer Science or equivalent; strong JS/TS skills; React/Angular/Vue; Node.js/Express or Python frameworks; UX design basics; AWS/CI/CD; PostgreSQL; Figma; WebGL/Three.js; CAD/CAM knowledge.
Node.js, Express, React, Angular, Vue.js, Python, Django, Flask, AWS, GCP, Azure, PostgreSQL, Figma, WebGL, Three.js, D3, CAD/CAM
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3mo
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Senior Software Engineer, Growth
Boston, Massachusetts, United States
$148k-$222k/yr OnsiteFull Time
Klaviyo
KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.
Senior software engineer with full-stack experience, focus on onboarding and user experience, data-driven, AI-aware, leadership and mentoring responsibilities.
HTML, TypeScript, JavaScript, React, Python, Django, MySQL, Cassandra, RabbitMQ, Redis, AWS, Terraform, Ansible, Packer
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