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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
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
3w
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Senior Software Engineer, Developer Experience Architecture
Boston, Massachusetts, United States
$140k-$176k/yr HybridFull Time
5+ YOE5+ years full‑stack software development experience, 2+ years Java, experience with cloud-native systems, auth/identity concepts, AI developer tools, testing and observability; BS in CS or equivalent.
Claude Code, Keycloak, OAuth2, OIDC, Java, Spring Boot, AWS, Kubernetes, React, Node, Remix, MCP
1mo
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Software Engineer: Web Developer
Cambridge, Massachusetts, United States
$110k/yr OnsiteFull Time
Bachelor's degree in CS or related; strong HTML, CSS, JavaScript; experience with Vue, React or Angular; CMS knowledge (WordPress/Joomla); UI/UX and graphic design skills; REST API development; Agile and test-driven practices.
HTML, CSS, JavaScript, Vue, React, Angular, WordPress, Joomla, REST API, CI/CD, git, GitHub, GitLab, Jenkins
2w
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Full Stack Developer
North Andover, Massachusetts, United States
$100k-$120k/yr HybridFull Time
3+ YOEBachelor's preferred, minimum 3 years experience; full-stack development with React or Angular, API development, RDBMS/SQL, OAuth/JWT, OWASP/security, and performance tuning.
Windows, Microsoft .NET, Linux, iOS, Android, React, Angular, OAuth, JWT, OWASP, SQL
1mo
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Senior Salesforce Developer
Jacksonville or Dallas or Cincinnati or Los Angeles or Sacramento or Richmond or Minneapolis or Boston or Kansas City or Chicago or Tampa or Washington or San Antonio or Houston or Colorado Springs or Nashville or San Diego or Pittsburgh or Tacoma or New York or Phoenix or Miami or Fayetteville
HybridFull Time
7+ YOE7+ years designing and implementing Salesforce solutions; 5+ years with Apex, LWC, Visualforce and integrations; Salesforce Platform Developer II required; Bachelor’s in CS/IS/software engineering or equivalent.
Salesforce CRM (Sales and Service Cloud), Force.com, Visualforce, Apex, Lightning Web Components, Cascading Style Sheets (CSS), HTML, Java, .NET, Data Loader, AppExchange, React, React Native, SQL
5d
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Software Engineer
Andover, Massachusetts, United States
$105k-$135k/yr HybridFull Time
1+ YOE1–5 years software development experience; proficiency in React and backend development (Go, Node.js, or .NET/C#); experience with MongoDB and SQL Server, REST APIs, Git workflows, AWS, and AI coding tools; strong problem-solving and communication.
React, Go, MongoDB, AWS, .NET/C#, SQL Server, Node.js, GitHub Copilot, Cursor, Claude, Git, Docker, Kubernetes, EC2, S3, Lambda, RDS, CloudWatch, LLM APIs
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
2mo
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Software Engineer
Boston or Burlington
OnsiteFull Time
Full stack software development experience; OO languages; cross-platform; quick learner; US citizenship.
Java, OSGi, Karaf, ServiceMix, Camel, ActiveMQ, Cassandra, Lucene/Solr, SoapUI, WS-*, GeoTools, JavaScript, React, HTML5, CSS3, less, Backbone, Marionette, Redux, Bootstrap, Handlebars, Cesium, Grunt, Bower, NPM, WebPack, XML, XSD, XSLT, XPath, XQuery, Geospatial, WebSockets, Agile, Scrum, Eclipse, IntelliJ, Maven, JUnit, CXF, SOAP, REST, Git, Stash, JIRA, Confluence, Crucible, Jenkins, SonarQube
5d
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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
4w
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Senior Software Development Engineer
Cambridge, Massachusetts, United States
$125k-$160k/yr HybridFull Time
8+ YOE8+ years software development experience, proven technical leadership, production experience with generative AI, cloud-native architectures, full-stack development, and a bachelor's in CS or equivalent practical experience preferred.
Python, JavaScript, TypeScript, C#, Java, React, Vue, Angular, Node.js, Express, FastAPI, Django, Flask, ASP.NET, Spring Boot, PostgreSQL, SQL Server, DynamoDB, MongoDB, LLM APIs, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CloudFormation
3mo
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COMETS HD Java Developer
Chelsea, Massachusetts, United States
$83k-$123k/yr OnsiteFull Time
4+ YOE4-5 years of IT development experience with Java/J2EE, Spring/Hibernate, REST APIs, DevOps, Agile, and web technologies; strong problem solving and communication.
Java, J2EE, Spring, Hibernate, REST API, SOAP, JavaScript, HTML, jQuery, JUnit, Angular, React, Node.js, AWS, DevOps, Docker, RESTful APIs
1w
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Full Stack Developer
Arlington, Massachusetts, United States
$66k-$82k/yr HybridFull Time
1+ YOEBachelor’s degree or equivalent, 1+ years software development experience, proficiency with JavaScript/Vue.js, Python, RESTful APIs, relational databases, Git, and AWS services.
Vue.js, JavaScript, React, HTML, CSS, Python, PHP, RESTful APIs, PostgreSQL, MySQL, MariaDB, SQL, Git, AWS S3, AWS RDS, AWS Bedrock, CloudWatch, Lambda, CI/CD
2mo
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Software Engineer
Waltham, Massachusetts, United States
$100k-$120k/yr HybridFull Time
3+ YOE3+ years experience; strong web development skills with JavaScript/React/TypeScript and Java/J2EE; experience debugging with browser dev-tools; Agile collaboration and BS degree preferred.
JavaScript, jQuery, React, TypeScript, Chakra UI, Emotion, Java, J2EE, Browser dev-tools, TanStack Table, Axios, React Hook Form, Yup, Jotai, Immer, Git, Struts 2, JSP, Spring MVC, Webpack, Vite, React Testing Library, WebdriverIO, ESLint, Stylelint, SCSS, OAuth, OIDC, SAML, AWS SDK
1w
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Full Stack Developer
Arlington, Massachusetts, United States
$66k-$82k/yr HybridFull Time
1+ YOEBachelor's or equivalent experience,1–2 years professional software development,experience with JavaScript,Vue.js,Python,RESTful APIs,relational databases,AWS,Git,CI/CD,and applied AI concepts.
Vue.js, JavaScript, Python, RESTful APIs, PostgreSQL, MySQL, MariaDB, Git, AWS S3, AWS RDS, AWS Lambda, AWS CloudWatch, AWS Bedrock, CI/CD, HTML, CSS, React, PHP, LLM
1mo
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Python Engineer
Athens or Lausanne or Boston or Europe
RemoteFull Time
3+ YOE3+ years backend Python experience with Django/DRF, REST API development, relational databases (MariaDB preferred), testing discipline, BS/MS in CS or related field, fluent English.
Python, Django, Django Rest Framework, MariaDB, Google Cloud Platform, Bootstrap, React JS, Ansible
1mo
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Software Engineer
United States or Boston or New York City or Denver
$110k-$125k/yr RemoteFull Time
2+ YOE2+ years professional software engineering experience; full‑stack web development using TypeScript, React, Express, and MongoDB; strong testing, collaboration, and productive use of AI coding tools.
TypeScript, React, Express, MongoDB
5d
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Senior Backend Developer (Node JS)
Plano or Boston
HybridFull Time
8+ YOE8+ years backend development experience with Node.js/TypeScript, GraphQL, AWS, SQL/NoSQL databases, CI/CD, containerization, and strong communication skills.
Node.js, GraphQL, TypeScript, JavaScript, NestJS, ExpressJS, AWS Lambda, AWS AppSync, AWS CDK, PostgreSQL, MySQL, Amazon RDS, DynamoDB, MongoDB, Redis, Docker, Kubernetes, GitHub Actions, GitLab CI, Jenkins, CloudWatch, ELK, Prometheus, Grafana, OpenTelemetry, React, Java/J2EE, Spring Boot
4w
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Software Engineer
Colorado Springs or Boston
$90k-$130k/yr HybridFull Time
1+ YOEUS citizen with active Secret clearance, B.S. in a STEM field,1+ years software development experience (1–4 yrs preferred), proficiency with TypeScript/React or Julia, REST APIs, and tested, maintainable code.
Julia, GeoJSON, CZML, JSON, React, TypeScript, Cesium, Resium, Electron, Python, MATLAB, NumPy, SciPy, React Testing Library, Windows, Linux
4w
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Software Engineer
Colorado Springs or Boston
HybridFull Time
1+ YOEUS citizen with active Secret clearance, B.S. in a STEM field, 1+ years software development experience; proficiency in TypeScript/Python/Java/C++/Rust/Julia, React, REST APIs, and writing tested, maintainable code.
TypeScript, Python, Java, C++, Rust, Julia, React, Cesium, Resium, Electron, MATLAB, NumPy, SciPy, GeoJSON, CZML, React Testing Library
5d
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Staff Software Engineer
Chicago or San Francisco or Boston
$150-$180/yr RemoteFull Time
Proven software engineering experience with AI agents and full-stack development, architecture ownership, cloud platform experience, and strong communication skills.
Claude Code, GitHub Copilot, AWS Agent Core, Azure AI Foundry, Google Vertex AI Agents, Model Context Protocol (MCP), LangChain, LangGraph, AutoGen, CrewAI, Semantic Kernel, Python, React, Vue.js, Angular, AWS, Azure, GCP, Pinecone, Weaviate, pgvector, LangSmith, Arize, Weights & Biases, Docker, Kubernetes, GitHub Actions
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