44 react engineer jobs at 21 companies in Athol, MA

1d
Save
Mark Applied
Hide
Software Engineer, React
Nashua, New Hampshire, United States
$65k-$110k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
Bachelor's degree or equivalent practical experience; JavaScript/TypeScript and frontend framework experience, preferably React; Git, testing, and project-building experience; ability to obtain DoD Secret clearance and U.S. citizenship.
React, TypeScript, JavaScript, Git, JIRA, Storybook, Node.js, Jest, Vitest, Playwright, Cypress, gRPC, Protocol Buffers (protobuf)
1mo
Save
Mark Applied
Hide
Engineer III (Frontend)
Webster, Massachusetts, United States
$120k-$150k/yr OnsiteFull Time
MAPFRE
MAPFREBolsa de Madrid: MAP: Provides global insurance, reinsurance, and financial protection services.
5+ YOEBachelor's in CS/IT/Software Engineering required; 5+ years' relevant experience; front-end experience with Jutro, React, and Java; experience leading/mentoring engineers; Guidewire a plus.
Jutro, React, Java, Guidewire
3mo
Save
Mark Applied
Hide
Lead Bioinformatics Engineer (Hyrbid)
Marlborough, Massachusetts, United States
$155k-$175k/yr HybridFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health information services.
7+ YOEBS with 7+ yrs, MS with 4+ yrs, or PhD with 3+ yrs in clinical/biological data; 5+ yrs in regulated life sciences; 4+ yrs software/engineering.
Python, JavaScript, TypeScript, R, Terraform, AWS CDK, Docker, Git, GitLab CI/CD, GitHub CI/CD, Flask, React, Bootstrap, Jupyter, R Markdown, ggplot2, tidyverse, Plotly, matplotlib, Tableau, d3.js
1mo
Save
Mark Applied
Hide
Staff Software Engineer- Payroll Platform
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
UKG
UKG: Provider of workforce management and human capital management software.
6+ YOE6+ years software engineering experience building large-scale distributed systems; expert Java, React, TypeScript; experience with SQL/NoSQL, cloud-native platforms (Azure/AWS/GCP); familiarity with AI/LLMs and observability; BS in CS or equivalent.
Java, React, TypeScript, SQL, NoSQL, Microsoft Azure, AWS, Google Cloud Platform, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), vector databases, agentic frameworks
2w
Save
Mark Applied
Hide
Software Engineer, R&D Cytology
Marlborough, Massachusetts, United States
$87k-$136k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
1+ YOEBS/MS in Computer Science or equivalent, 1+ years related experience (MS+1 or BS+3), full-stack development experience, familiarity with SDLC, experience in cross-functional teams; medical device experience a plus.
TypeScript, React, .NET, MSSQL, C#, WPF, Python, PowerShell, Visual Studio, GitHub, JIRA, Code Review Tools, Windows Desktop / Server, Azure, Google Cloud Platform, DICOM, HL7, OpenSeadragon, GitHub Copilot
2mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Principal Performance Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Strong Java and Spring Boot experience; experience with RESTful APIs, performance/load testing (k6, Gatling, JMeter), debugging/profiling, Node.js, Angular/React, CI/CD, cloud-native testing, and observability.
Java, Spring Boot, RESTful APIs, k6, Gatling, JMeter, Node.js, Angular, React, CI/CD
3mo
Save
Mark Applied
Hide
Software Quality Assurance Engineer, AVP
Burlington, Massachusetts, United States
$80k-$140k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
5+ YOE5+ years in software QA; Bachelor's or Master's in CS/Engineering; hands-on web app testing (React/HTML/JS) and Java microservices; SQL; QA automation; SDLC/Agile; financial services experience a plus.
React, HTML, JavaScript, Java, SQL, QA automation frameworks
2w
Save
Mark Applied
Hide
Associate Software Engineer
Concord or Cambridge
$95k-$105k/yr HybridFull Time
KAYAK
KAYAK: Global travel search engine for flights, hotels, and rentals.
Foundational proficiency in HTML,CSS,JavaScript; experience with React and exposure to TypeScript; familiarity with Git; degree or equivalent practical experience; strong communication and collaborative skills.
React, TypeScript, Git, Claude Code, HTML, CSS, JavaScript
1w
Save
Mark Applied
Hide
Senior Frontend Engineer (Tech Lead)
Manchester, New Hampshire, United States
$188k-$250k/yr OnsiteFull Time
Meltwater
Meltwater: Global media intelligence and social analytics platform for businesses.
Expertise in React and TypeScript, frontend architecture, GraphQL/REST integration, performance and accessibility, proven technical leadership and large-scale frontend ownership.
React, TypeScript, GraphQL, REST, Next.js
5d
Save
Mark Applied
Hide
Senior Software Engineer, Facilities
Boston or Framingham
$170k-$195k/yr HybridFull Time
Veho
Veho: Provides AI-powered last-mile delivery services for e-commerce brands.
5+ YOE5+ years building and deploying high-traffic production applications; strong full-stack skills with TypeScript, Node.js, GraphQL, and React; AWS experience; supply chain or warehouse domain preferred.
TypeScript, Node.js, GraphQL, React, AWS
2mo
Save
Mark Applied
Hide
Full Stack Engineer
Merrimack, New Hampshire, United States
$80-$102/hr OnsiteFull Time
Fidelity Investments
Fidelity Investments: Financial services and investment management firm providing advisory solutions.
Experience building RESTful APIs, relational and NoSQL databases, strong OOP and design patterns, SDLC, CI/CD, mentoring, and front-end frameworks (Angular/React); strong communication and code-quality focus.
Angular, AngularJS, Backbone.js, React JS, JavaScript, CSS3
1mo
Save
Mark Applied
Hide
Senior Full Stack Engineer
Framingham, Massachusetts, United States
$110k-$130k/yr HybridFull Time
Sincere
Sincere: Builds technology for celebrations and sharing digital memories
7+ YOE7+ years professional software development; experience across Ruby on Rails, TypeScript, React/Next.js, relational and NoSQL databases, cloud infrastructure (AWS), containerization, and AI-assisted tools; strong product and UX focus.
Ruby on Rails, TypeScript, React, Next.js, MySQL, Postgres, Redis, MongoDB, Sidekiq, OpenSearch, AWS, Docker, Claude Code, Codex, Datadog, Mixpanel, Terraform
1mo
Save
Mark Applied
Hide
Principal Engineer - Digital Experience
Milford, Massachusetts, United States
$110k-$183k/yr OnsiteFull Time
Waters Corporation
Waters CorporationNYSE: WAT: Designs analytical instruments for laboratory testing and research.
8+ YOE8+ years AEM development, strong Java/J2EE, JavaScript/TypeScript and React skills, experience with AEM as a Cloud Service, Adobe Edge/Analytics/Launch, Marketo, REST/GraphQL, GitHub and CI/CD, Akamai and web performance/SEO/accessibility.
Adobe Experience Manager (AEM), AEM as a Cloud Service (AEMaaCS), Adobe Edge Delivery Services, Adobe Analytics, Adobe Launch, Marketo, React, Java, J2EE, JavaScript, TypeScript, HTML5, CSS3, REST APIs, GraphQL, GitHub, Cloud Manager, CI/CD, Akamai CDN, Sling, OSGi, Dispatcher
2mo
Save
Mark Applied
Hide
Senior Engineer, Software Infrastructure
Wilmington, Massachusetts, United States
$110k-$152k/yr OnsiteFull Time
Analog Devices
Analog DevicesNASDAQ: ADI: Designs and manufactures semiconductors for signal processing and power management.
Experience in web frontend/backEnd, React, TypeScript, Node.js REST APIs, Backstage, Git/GitHub, Docker, cloud (AWS/Azure/GCP), testing (Jest/Playwright/Cypress), CI/CD, SBOMs, Agile software development.
React, TypeScript, JavaScript, Node.js, REST APIs, Backstage, Git, GitHub, Docker, AWS, Azure, GCP, Jest, Playwright, Cypress, CI/CD, SBOMs
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Senior software engineer with RESTful APIs, JavaScript frameworks, databases, SDLC, CI/CD, mentoring, and strong OO design.
JavaScript, Angular, AngularJS, Backbone.js, React.js, CSS3
3w
Save
Mark Applied
Hide
Backend C2 Systems Full Stack Developer
Hanscom AFB or Hampton
$113k-$257k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
8+ YOE8+ years software development experience including backend/services, microservices, relational and NoSQL datastores, message/streaming platforms, containerization, frontend (React), CI/CD, and eligibility for Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry
3w
Save
Mark Applied
Hide
Frontend C2 Systems Full Stack Developer
Hanscom Air Force Base, Massachusetts, United States
$113k-$257k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOE8+ years software development experience, lead/frontend expertise with React and TypeScript, REST/GraphQL integration, automated testing, CI/CD, containerized deployment, ability to obtain Secret clearance.
React, TypeScript, D3, Mapbox, Cesium, Jest, Cypress, GraphQL, REST, CI/CD
1mo
Save
Mark Applied
Hide
Software Engineer - UI/UX (Fall 26' Intern)
Natick, Massachusetts, United States
$28-$32/hr OnsiteInternship
Delsys
Delsys: Designs and manufactures advanced wearable electromyography and physiological sensors.
Currently enrolled or recent graduate in CS/CE or similar; fluent in C#, Java, or JavaScript; experience with Figma or Adobe XD; front-end frameworks like WPF, React, or Angular; strong OOP and MVVM skills; Windows front-end/.NET WPF or Unity experience useful; valid work eligibility required.
C#, Java, JavaScript, Figma, Adobe XD, WPF, React, Angular, .NET, Unity, Model-View-ViewModel