94 api developer jobs at 53 companies in Hooksett, NH
1mo
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Senior Software Engineer
Andover or Boston or New York or Chicago or Menlo Park or Manchester or London or Tokyo
$140k/yr OnsiteFull Time
6+ YOE6+ years building production applications; experience with JavaScript/Node.js and/or Python, PostgreSQL/MySQL, AWS, API integrations, full-stack development, modern/AI-assisted dev tools; authorized to work in the US.
Javascript, Node.js, Python, PostgreSQL, MySQL, AWS, AI-assisted development tools, NetSuite APIs, APIs
1w
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Principal Software Engineer/Developer
Merrimack, New Hampshire, United States
OnsiteFull Time
3+ YOEDesign, develop, test, and maintain enterprise Java/Spring Boot applications and APIs; experience with cloud, CI/CD, observability, and mentoring; Bachelor's or Master's in related field with relevant experience.
Java, Spring Boot, Angular, Node JS, JIRA, SQL, NoSQL, Snowflake, CloudFormation, Jenkins, Shell Scripting, Datadog, Splunk, Git, uDeploy, Sonar, RESTful web services
2w
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Application Developer
Bedford, New Hampshire, United States
$45k-$55k/yr OnsiteFull Time
1+ YOEAssociate's or Bachelor's (or equivalent experience),1+ years development experience, knowledge of C#/.NET, TypeScript, Angular or React, SQL, REST APIs, Azure, Git, troubleshooting and support skills.
Angular, React, TypeScript, ESLint, Prettier, C#, .NET 8+, Python 3.11+, REST APIs, OpenAPI/Swagger, Microsoft Azure SQL, SQL Server, Entity Framework Core, Azure Cosmos DB (MongoDB API), Microsoft Azure, Docker, Microsoft Azure DevOps, CI/CD Pipelines, Azure Container Apps, Azure Container Registry, Azure Key Vault, Azure Blob Storage, Azure Application Insights, Microsoft Entra ID (Azure AD), SSO, OAuth 2.0, RBAC, GitHub Copilot, Claude Code, Git
3mo
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Senior Software Engineer, Product Integrations
Waltham, Massachusetts, United States
$130k-$200k/yr OnsiteFull Time
5+ YOE5+ years software development; Linux; RESTful APIs; Python or Go; US work authorization; bachelor’s degree preferred; strong communication.
Python, Go, Linux, PostgreSQL, Jenkins, Ansible, REST API, AWS
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
2w
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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
2d
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Senior Software Integration Engineer
Wilmington, Massachusetts, United States
OnsiteFull Time
5+ YOEBachelor's or master's degree in computer science, computer engineering, or related field; 5–7 years of C/C++ programming, 3–5 years of Agile development, API and SaaS integration experience, and prior data acquisition systems experience.
C, C++, Azure, AWS, Google Cloud, Git, Atlassian, Salesforce, Microsoft Dynamics 365, HubSpot, NetSuite, SAP, ServiceNow, MuleSoft, Boomi, Azure Logic Apps, Azure Integration Services, Workato, Zapier Enterprise, Kafka, RabbitMQ, Azure Service Bus, AWS SQS, Docker, Kubernetes, OAuth2, OpenID Connect, SAML, API
1w
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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
1mo
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Senior Software Engineer, iOS (On-site - Acton, MA)
Acton, Massachusetts, United States
$128k-$192k/yr OnsiteFull Time
5+ YOEBachelor's degree,5+ years software development with 3+ years iOS,proficiency in Swift,CI/CD and Git,knowledge of Bluetooth/BLE and cloud APIs,experience with medical device regulations preferred.
Swift, TCA (The Composable Architecture Framework), Kotlin Multiplatform, Bluetooth, BLE, APIs, REST, OAuth 2.0, JSON, CI/CD, Git
2w
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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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Senior Software Engineer
Arlington or Woburn or Carlsbad or Aurora or Boston or Dayton or Melbourne
$140k-$170k/yr HybridFull Time
5+ YOEProven Java and Spring development experience, microservices and API design, containerized infrastructure (Docker/Kubernetes), experience with Kafka/NATS and GitLab, Python for AI/data integration, and ability to obtain Top Secret clearance.
Java, Spring Boot, Linux, Docker, Kubernetes, Kafka, NATS, GitLab, Python
1mo
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Software Engineer III
Denver or Nashua or Augusta or Pinellas Park or Madison Heights
$125k-$145k/yr HybridFull Time
3+ YOEFull-stack engineer with 3+ years building scalable web applications using Next.js and Node.js, strong AWS experience, REST/GraphQL APIs, serverless, CI/CD, AI-assisted tooling, and familiarity with web performance and accessibility standards.
Next.js, Node.js, REST API, GraphQL, Serverless, AWS, EC2, Lambda, S3, CloudFront, API Gateway, ECS, EKS, WAF, IAM, GitHub Copilot, Cursor, Claude, Contentful, Optimizely, LaunchDarkly, Google Analytics 4 (GA4), CI/CD
1w
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Staff Software Engineer - Algorithms
Wilmington, Massachusetts, United States
$149k-$205k/yr HybridFull Time
8+ YOEBachelor's or Master's in CS or related, 8+ years professional C#/.NET development, strong algorithms and distributed systems experience, debugging and SQL skills, Windows/Linux development.
C#, .NET, .Net Core, Rabbit MQ, Open API, Kubernetes, Git, SQL Server, PL/SQL, Windows, Linux
2mo
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Senior Software Engineer
Burlington, Massachusetts, United States
$140k-$165k/yr HybridFull Time
5+ YOEBachelor's in CS or related, 5+ years professional C#/.NET experience, Windows app (WinForms/WPF) and cloud (Azure/AWS) experience, multithreading and backend/API development, ability to work onsite in Burlington, MA 3+ days/week.
C#, .NET, WinForms, WPF, WinUI, .NET MAUI, Azure, AWS, CI/CD
1mo
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Senior Java Developer (Irving, TX, US)
Irving or Westlake or Merrimack
$86k-$127k/yr OnsiteFull Time
10+ YOE10+ years Java/J2EE experience with Spring/Spring Boot, API design, microservices, cloud (Docker, Kubernetes, AWS/Azure), CI/CD tools (GitHub, Jenkins, uDeploy), relational DB (DB2/Oracle), JPA/Hibernate, strong communication and leadership skills.
Java, J2EE, Spring, Spring Boot, Docker, Kubernetes, AWS, Azure, GitHub, GIT, Jenkins, uDeploy, Stash, JPA2, Hibernate, DB2, Oracle, PL/SQL, SQL, Sonar, HP Operations Orchestration, HP Service Manager, ServiceNow, REST API
2w
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Software Engineer (Teradyne, North Reading)
North Reading, Massachusetts, United States
$130k-$207k/yr OnsiteFull Time
5+ YOEBachelor’s degree or equivalent,5+ years software development,strong C# and Python skills,experience designing APIs/SDKs,knowledge of Generative/Agentic AI and Model Context Protocol,cloud and Windows experience.
C#, Python, Model Context Protocol, Windows
2mo
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Principal Software Engineer
Bethesda or Waltham
$164k-$257k/yr HybridFull Time
8+ YOE8+ years software engineering; production-grade APIs; GraphQL; Node.js; TypeScript; Go; OAuth2/JWT; security; scalable SaaS APIs.
GraphQL, Node.js, TypeScript, Go, Jenkins, ArgoCD, Datadog, OAuth 2.0, JWT
3mo
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Staff Software Engineer (Agentic AI)
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
7+ YOEBachelor's degree, 7+ years software development (2+ years building agentic/LLM systems). Experience with agentic frameworks, Python/Java/C#/JavaScript/TypeScript, cloud platforms, GitHub, APIs, and agent architecture.
Google ADK, Anthropic Claude SDK, LangChain, LangGraph, AutoGen, Crew AI, Vertex AI, Azure OpenAI, Bedrock, GitHub, Model Context Protocol (MCP), REST APIs, function calling, Python, Java, C#, JavaScript, TypeScript
3w
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Senior Full-Stack Software Engineer
Acton or Cranberry Township
OnsiteFull Time
5+ YOEBachelor's in CS or related,5+ years building software with C#, .NET, C++; experience with network protocols, hardware interfaces, APIs, and desktop UI development.
C#, .NET, C++, TCP/IP, UDP
1w
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Senior QA SW Engineer - Salem, NH (10434)
Salem, New Hampshire, United States
$120k-$140k/yr HybridFull Time
3+ YOE3+ years QA experience with test automation and networking knowledge; familiarity with Selenium/QTP/Python/JavaScript, XML/JSON/APIs; BS in relevant field preferred.
Selenium, QTP, Python, Javascript, XML, JSON, APIs, Robot, Perl, Shell, IXIA, Linux, Windows, TCP/IP, SNMP
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