41 senior frontend engineer jobs at 37 companies in Sagamore, MA

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Senior Software Engineer (Frontend) - Scribd Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$124k-$226k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
6+ YOERequires 6+ years of frontend software engineering experience, JavaScript/TypeScript and React expertise, modern web framework experience, architecture knowledge, performance optimization, testing, and strong collaboration skills.
JavaScript, TypeScript, React, Next.js, Microfrontend, monorepos
4w
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Staff Front End Engineer
Boston or Las Vegas or Pittsburgh or United States
$172k-$229k/yr HybridFull Time
Motional
Motional: Develops autonomous vehicle technology for driverless ride-hailing and delivery.
Experienced frontend engineer with strong proficiency in React, TypeScript, and Vue; expertise in frontend architecture, UX, cross-team collaboration, and mentoring.
React, TypeScript, Vue, Node, Python
2mo
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Senior Software Engineer (Frontend)
New York City or Boston
$185k-$215k/yr HybridFull Time
Counsel
Counsel: Provides AI-powered virtual medical consultations through asynchronous messaging.
5+ YOE5+ years building production frontend software; deep fluency in TypeScript/JavaScript/CSS; strong command of React and Next.js; experience with design systems, state management, testing, and web performance; familiarity with AI/ML and LLM applications.
TypeScript, JavaScript, CSS, React, Next.js, Node.js, React Native
2mo
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Principal Frontend Engineer (Modeling & Simulation)
San Francisco or Boston or United States
HybridFull Time
Code Metal
Code Metal: Verifiable AI-powered code translation for mission-critical industries.
8+ YOE8+ years building front-end systems with deep React and TypeScript expertise, experience with Cesium and MUI, strong architectural judgment, and eligibility for U.S. Top Secret clearance.
TypeScript, React, Cesium, MUI
2mo
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Senior Front End Software Engineer
Atlanta or Boston or Scottsdale or Seattle or Washington
$141k-$226k/yr OnsiteFull Time
Axon
AxonNASDAQ: AXON: Develops weapons and software for law enforcement and safety.
6+ YOEBachelor's degree, 6+ years software development experience, expertise in JavaScript/TypeScript, HTML5, CSS3, Angular or React, Webpack, testing (Jest/Karma), large-scale web apps, AI-assisted development practices.
JavaScript, TypeScript, HTML5, CSS3, Angular, React, Webpack, Jest, Karma
2w
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Senior Software Engineer, Frontend
United States or Atlanta or Boston
$170k-$190k/yr RemoteFull Time
Flock Safety
Flock Safety: Sells AI-powered cameras and software for public safety surveillance.
Mastery of frontend web technologies (React, TypeScript), experience with mapping libraries, fullstack Node.js context, API design (REST/GraphQL/gRPC), PostgreSQL familiarity, and frontend performance optimization.
React, TypeScript, Node.js, Mapbox, Google Maps API, REST, GraphQL, gRPC, PostgreSQL, AWS
4d
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Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Roo
Roo: Digital marketplace connecting veterinary professionals with animal hospital shifts.
Significant production software experience with frontend systems; deep React and TypeScript expertise; full-stack fundamentals; React Native or mobile experience; Figma, design systems, and AI-assisted development experience.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
3mo
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Senior UI Software Engineer
Mansfield, Massachusetts, United States
$132k-$190k/yr HybridFull Time
eClinical Solutions
eClinical Solutions: Clinical data cloud platform and biometrics services for researchers.
7+ YOE7+ years front-end UI development; expert in Angular, TypeScript, Blazor, C#, HTML/CSS; building enterprise web apps; AI/LLM integration knowledge.
Angular, Blazor, TypeScript, C#, HTML/CSS, RESTful APIs, .NET, Python, AI services
3mo
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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
2mo
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Director of Engineering, Front-end and Ordering Platform (Remote)
Boston or United States
$250k-$334k/yr HybridFull Time
ezCater
ezCater: Online marketplace for business catering and food for work
Proven experience building and leading front-end engineering organizations, deep fluency in Next.js, React, and TypeScript, micro-frontend and design-system expertise, performance/observability, multi-team leadership, and practical AI-for-frontend experience.
Next.js (App Router), React, TypeScript, Astro, Turborepo, Rspack, Figma, Claude Design, v0, Go, PostgreSQL, Kafka (MSK), Temporal, Vespa, SpiceDB, EKS, Cloudflare (Workers), OpenAPI, BFF, MCP, Universal Commerce Protocol
1w
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Senior Full Stack Engineer
Boston, Massachusetts, United States
$120k-$160k/yr HybridFull Time
Owl Labs
Owl Labs: Manufacturer of AI-powered 360-degree video conferencing devices.
BS/MS or strong portfolio; deep experience across frontend, backend, cloud, and IoT; expertise with React, TypeScript migrations, testing, CI/CD, and AWS; strong communication and mentoring skills.
React, Vite, TypeScript, Playwright, Cypress, AWS Lambda, Amazon ECS, API Gateway, Amazon S3, IAM, PostgreSQL, DynamoDB, MQTT, WebSocket, AWS IoT Core, Amazon SQS, Amazon SNS, Amazon EventBridge, CloudWatch, X-Ray, Honeycomb, Bitbucket, Claude, Codex
1mo
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Senior Software Engineer - Boston
Boston, Massachusetts, United States
$140k-$170k/yr HybridFull Time
Perk
Perk: Automates business travel bookings, expenses, and invoice processing.
Senior engineer with system architecture, frontend/backend, SRE, security, and mentorship experience; able to coordinate cross-team initiatives. Must be based within commuting distance of a hub and work in-office 3 days/week.
Notion, Jira, GitHub, Slack, Cypress, CI/CD
1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
PPL
PPLNYSE: PPL: Provides electricity and natural gas to millions of customers.
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
2mo
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Senior Software Engineer (Fullstack), Digital Storefront
Boston or New York City or United States
$125k-$254k/yr HybridFull Time
Toast
ToastNYSE: TOST: Cloud-based technology platform for the restaurant and hospitality industry.
5+ YOE5+ years fullstack web development; frontend React/Angular and CSS frameworks; backend Java/Kotlin or NodeJS; AWS, Docker, Git; Figma and testable code; API design and testing experience.
React, Angular, Tailwind, Bootstrap, Java, Kotlin, NodeJS, AWS, Docker, Git, Figma
6d
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Senior Sofware Engineer
Boston, Massachusetts, United States
$165k-$180k/yr HybridFull Time
Labviva
Labviva: A digital marketplace connecting life science researchers with lab suppliers.
6+ YOEBachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience, plus 6+ years of experience developing scalable frontends, backend services, integrations, and search infrastructure.
Elasticsearch, Cursor, Claude Code, Next.js, React, TypeScript, Node.js, Nest.js, TypeORM, PostgreSQL, Aurora, Kafka, Kubernetes, Docker
4w
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Principal Engineer, Resilience
Berlin or London or Valencia or Boston or Durham or Munich
HybridFull Time
commercetools
commercetools: SaaS platform for building enterprise headless commerce experiences.
5+ YOE5+ years shipping production software, 2+ years building with LLMs, full‑stack ownership (frontend, backend, data, ML), prompt/context engineering, agents, retrieval/embeddings, and SQL proficiency.
A2UI, AG-UI, MCP, MCP-UI, Python, TypeScript, Node, React, SQL
3w
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Senior Software Engineer Trading Systems
Boston, Massachusetts, United States
$135k-$325k/yr OnsiteFull Time
Arrowstreet Capital
Arrowstreet Capital: Manages global equity portfolios using systematic quantitative models.
Experienced software engineer with backend and frontend skills for trading systems; strong Python or .NET, AWS, SQL, React, APIs, and production support; prior trading/front-office experience preferred.
Python, C#, React, JavaScript, TypeScript, HTML, CSS, AWS, EKS, Lambda, EC2, S3, RDS, OMS, EMS, REST APIs, microservices, Kubernetes, CI/CD, SQL, Generative AI, LLMs
2mo
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Senior Software Engineer, Client Implementations
Boston or United States
$128k-$145k/yr RemoteFull Time
Cohere Health
Cohere Health: AI-powered clinical intelligence platform for healthcare prior authorization automation.
5+ YOE5+ years software engineering experience; strong backend skills in Java or Groovy/Grails; frontend with React/TypeScript; MongoDB and Kafka experience; familiarity with Git, CI/CD, test frameworks, and healthcare standards (FHIR/HL7).
Java, Groovy, Grails, React, TypeScript, JavaScript, MongoDB, Kafka, Git, Cypress, Playwright, JUnit, Jest, AWS, FHIR, HL7
2mo
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Global IT Software Engineer - Senior Manager
Boston or London
$153k-$186k/yr OnsiteFull Time
Boston Consulting Group
Boston Consulting Group: Global management consulting firm specializing in business strategy and transformation.
6+ YOEBachelor's in CS/Engineering,6+ years software/IT experience,proven GenAI and SaaS implementation,frontend/backend development,cloud and infrastructure-as-code,automated testing and systems design expertise.
React, Python, Java, Typescript, Zypher, Pytest, AWS, Azure, CGP, Kubernetes, Helm, Terraform, pgvector, chromadb, Neo4J, GraphQL, Github Actions, Gitlab CI, RDS, Batch, Lambda, Fargate, Step Functions, SQS, SNS, FastAPI, NextJS, RabbitMQ, Kafka, Websockets, Server-Side Events, LLMs, APIs
1mo
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Senior Software Engineer - Flows AI
Boston, Massachusetts, United States
$148k-$222k/yr OnsiteFull Time
Klaviyo
KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.
5+ YOE5-7 years full-stack engineering experience; building high-scale customer-facing features; experience with AI product capabilities, frontend frameworks, Python/Django, async processing, cloud-native architectures, and API development.
React, TypeScript, Angular, Vue, Python, Django, Celery, Kafka, SQS, RabbitMQ, Redis, AWS, Kubernetes, REST APIs, GraphQL, CI/CD