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Frontend Engineer (Civil Aviation)
Boston, Massachusetts, United States
OnsiteFull Time
Proficiency in JavaScript/TypeScript, React, Redux, CSS; experience building map-based web applications (Mapbox/Maplibre/Google Maps); familiarity with WebGL/WebGPU/ThreeJS and WebAssembly (WASM).
React, Redux, Mapbox, TypeScript, JavaScript, CSS, Maplibre, Google Maps, WebGL, WebGPU, ThreeJS, WebAssembly (WASM)
1mo
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Senior Software Engineer (Frontend)
New York City or Boston
$185k-$215k/yr HybridFull Time
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
1mo
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Senior Front End Software Engineer
Atlanta or Boston or Scottsdale or Seattle or Washington
$141k-$226k/yr OnsiteFull Time
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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Front End Development Engineer, Automation Integration Technologies
Austin or Bellevue or Arlington or North Reading
$144k-$194k/yr OnsiteFull Time
2+ YOE2+ years professional front-end/web/mobile development using JavaScript, HTML, CSS; CS fundamentals; experience with Angular or React; familiarity with TypeScript/Node and AWS preferred.
JavaScript, HTML, CSS, Angular, React, TypeScript, Node, AWS
1mo
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Senior Front End Software Engineer
Boston, Massachusetts, United States
$130k-$170k/yr RemoteFull Time
6+ YOE6+ years front-end experience with Angular, TypeScript, and RxJS/observables; experience building complex, data-driven web apps, working with asynchronous/streaming data; familiarity with Firebase, WebGL, Material Design, and Google Cloud preferred.
Angular, TypeScript, RxJS, WebGL, Firebase, Google Cloud, Material Design
2d
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Senior Software Engineer, Frontend
United States or Atlanta or Boston
$170k-$190k/yr RemoteFull Time
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
2mo
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Senior UI Software Engineer
Mansfield, Massachusetts, United States
$132k-$190k/yr HybridFull Time
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
2w
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Senior .NET developer
Boston, Massachusetts, United States
$115k-$140k/yr OnsiteFull Time
5+ YOE5+ years building .NET/C# applications, SQL database experience, REST API development, web frontend skills, version control (Subversion/Git), agile experience, strong communication and mentoring ability.
.NET, C#, MySQL, Postgres, SQL Server, HTML, CSS, JavaScript, Subversion, Git, React, Node.js, Piano ID
2d
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Sr. Optimizely Developer
Boston or Denver
HybridFull Time
5+ YOE5+ years full-stack web development with 3+ years in Optimizely; deep C#/.NET Core/MVC backend and advanced HTML5/CSS3/JS frontend skills; experience with experimentation, personalization, and CI/CD.
Optimizely CMS, Optimizely Web Experimentation, Optimizely Feature Experimentation, C#, .NET Core, MVC, HTML5, CSS3, SASS, JavaScript, ES6+, jQuery, React, Vue, Project JS, Figma, Git, Azure DevOps, GitHub Actions, GitHub Copilot, ChatGPT, Salesforce, Marketo, Adobe Commerce
1mo
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Software Engineer, Full Stack, Developer Productivity
Boston, Massachusetts, United States
$148k-$200k/yr HybridFull Time
3+ YOE3+ years software engineering; frontend focus working with React; expertise with at least one web framework (Node.js or Python preferred); product-first mindset, strong problem solving, and AI fluency.
React, Node.js, Python
2mo
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Senior Engineer, Software Infrastructure
Wilmington, Massachusetts, United States
$110k-$152k/yr OnsiteFull Time
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
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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$165k/yr HybridFull Time
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
1mo
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Senior Full Stack Developer
Nashua or New Hampshire
$97k-$165k/yr HybridFull Time
4+ YOEBachelor's degree in CS or equivalent experience, 4+ years professional software development, full-stack web app delivery, API integration, frontend framework proficiency, SQL schema and query design, Git, and automated testing.
ASP.NET Core, Blazor, MudBlazor, C#, SQL Server, Dapper, FluentValidation, Git, HTML, CSS, JavaScript, TypeScript, CI/CD, Active Directory
1mo
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Senior Full-stack Software Engineer – Verification Data and Visualization Platform
Santa Clara or Westford or Durham
$152k-$288k/yr HybridFull Time
3+ YOEExperience building full-stack web apps with JavaScript/TypeScript, modern frontend frameworks, Java microservices, distributed systems, Kafka/Flink/Spark streaming, Redis, and scalable data pipelines. BS+5 yrs or MS+3 yrs required (or equivalent experience).
Kafka Streams, Apache Flink, Spark Streaming, Apache Kafka, JavaScript, TypeScript, Redis, Elasticsearch, Kibana, Logstash, Elastic Stack, LangChain, OpenTelemetry, Docker, Kubernetes, Grafana, Java
2d
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Software Engineer
Westford, Massachusetts, United States
$106k-$177k/yr HybridFull Time
5+ YOE5+ years full-stack web application experience with frontend Vue 3/Pinia/Apollo/Vite and backend .NET/ASP.NET Core/C#; GraphQL, PostgresSQL/SQL, microservices, cloud platforms, Docker/Kubernetes, Git/Bitbucket; strong architecture and communication skills.
Vue 3, Pinia, Apollo, Vite, .NET Framework, ASP.NET Core, C#, GraphQL, PostgresSQL, SQL, GCP, AWS, Microsoft Azure, Docker, Kubernetes, Linux, .NET MAUI, Git, Bitbucket, GitHub Copilot, Claude
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