19 api engineer jobs at 8 companies in Walpole, NH
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Senior Data Engineer
Durham or Merrimack
OnsiteFull Time
Extensive data engineering experience with Oracle PL/SQL, AutoSys, ETL, Informatica, Snowflake, SQL, and data modeling; familiarity with Java/Python, REST API, AWS, DevOps tools, Agile, and on-call production support.
Oracle PL/SQL, AutoSys, Informatica, Snowflake, SQL, Java, Python, REST API, AWS, Maven, Jenkins, Git, Docker, Kanban, SCRUM
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
2mo
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Full Stack Engineer (UI Focused)
Merrimack, New Hampshire, United States
$80-$100/hr OnsiteFull Time
Experienced software engineer with front-end focus, building RESTful APIs, relational and NoSQL databases, CI/CD, SDLC best practices, mentoring, JavaScript frameworks, and responsive CSS3 design.
Angular, AngularJS, Backbone.js, React JS, JavaScript, CSS3
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Senior Software Engineer - Cloud Services
Lebanon, New Hampshire, United States
$140k-$160k/yr OnsiteFull Time
Simbex: Develops medical devices and wearable sports technology solutions.
6+ YOE6+ years backend/cloud experience; strong Node.js/TypeScript and Python; AWS Lambda/API Gateway/RDS/S3/SQS/SNS; PostgreSQL; REST API design; CI/CD; bachelor's in CS or equivalent experience.
Node.js, TypeScript, Python, AWS Lambda, API Gateway, RDS, S3, SQS, SNS, PostgreSQL, GitHub Actions, Jenkins, MQTT, AMQP, AWS IoT Core, Docker, ECS, Kubernetes, Terraform, AWS CDK, CloudFormation, Kafka, Kinesis, OpenTelemetry, Datadog, Grafana, CloudWatch, Pact
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
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Principal Full Stack Engineer (Angular Focused)
Merrimack or Westlake
OnsiteFull Time
6+ YOE6+ years software engineering experience, 3+ years technical leadership, deep experience with Angular, JavaScript, HTML, CSS, Java Spring Boot, JPA, AWS, RESTful APIs; strong communication and autonomy.
Angular, JavaScript, HTML, CSS, Java Spring Boot, JPA, AWS, RESTful API, Storybook JS
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Principal Performance Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
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
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Solution Engineer
Johnston or Boston or Iselin or Manchester or Westwood
$91k-$105k/yr HybridFull Time
Bachelor's required (CS/IS or related), experience translating business requirements to technical solutions, strong SQL/SAS query skills, Agile experience with Jira and Confluence, and experience across integrations and data flows.
SQL, SAS, Jira, Confluence, APIs, SFTP
3mo
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Java Backend Engineer
Merrimack, New Hampshire, United States
$88k-$153k/yr OnsiteFull Time
6+ YOE6+ years backend Java experience with Spring/Spring Boot, API/microservices design, Oracle/DB2 and PL/SQL, CI/CD with Git/Jenkins/uDeploy, DevOps tooling; bachelor's degree required.
Java, Spring, Spring Boot, PL/SQL, Oracle, DB2, Git, Jenkins, uDeploy, Sonar, HP Operations Orchestration, ServiceNow, HP Service Manager, RESTful (Rest-APIs)
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Java Full Stack Engineer
Merrimack or Dallas or Smithfield
$90k-$157k/yr OnsiteFull Time
7+ YOE7+ years Java/Spring Boot backend experience, Angular v17+, PL/SQL/Oracle/DB2, RESTful APIs, CI/CD (Jenkins/Git/uDeploy), Docker/Kubernetes, AWS (EKS/S3/Lambda), and strong problem-solving skills.
Java, Spring Boot, Angular, PL/SQL, Oracle, DB2, Hibernate, JPA, AWS, EKS, S3, Lambda, Docker, Kubernetes, Jenkins, Git, uDeploy, GitHub, Copilot, RESTful APIs
1w
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Full Stack Software Developer
Lebanon, New Hampshire, United States
HybridFull Time
3+ YOEBachelor's degree or equivalent plus 3 years experience; strong Enterprise Java (Java/JEE), Spring and Hibernate skills; REST API and JavaScript framework experience; PostgreSQL and Git/GitHub familiarity; Agile experience.
Java, JEE, Spring, Hibernate, PostgreSQL, JavaScript, Angular, React, REST, Git, GitHub, Agile
1mo
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Senior Energy Efficiency Consultant, C&I Active Demand Response (Hybrid Schedule)
Westwood or Berlin or Manchester or Connecticut or Massachusetts or New Hampshire or United States
$121k-$134k/yr HybridFull Time
8+ YOEBachelor's degree in Engineering/Business required, 8+ years relevant experience (5+ years delivering demand response preferred); knowledge of DERMS/VPPs, building controls, APIs, battery storage, and Microsoft Office; strong communication and leadership skills.
DERMS, VPPs, APIs, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, CoPilot
1w
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Director, Engineering - AI & Data Science Platform
Durham or Boston or Merrimack or Westlake
$126k-$255k/yr OnsiteFull Time
10+ YOE5+ MgmtBachelor's in CS/Engineering or equivalent; 10+ years in software/platform/cloud/AI engineering; 5+ years people leadership; experience with cloud-native platforms, AI/ML lifecycle, GenAI enablement, and stakeholder partnership.
AWS, Kubernetes/EKS, CI/CD, observability, LLM integrations, embeddings, vector stores, API, Lumin8, CRISP
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Energy Efficiency Consultant, C&I Active Demand Response (Hybrid Schedule)
Westwood or Berlin or Manchester
$96k-$107k/yr HybridFull Time
3+ YOEBachelor's degree required, 3+ years relevant experience, 1+ year demand response or building controls experience preferred; knowledge of DERMS/VPPs, building systems, APIs, and Microsoft Office; strong communication and problem-solving skills.
Distributed Energy Resource Management Systems (DERMS), Virtual Power Plants (VPPs), APIs, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, CoPilot
2mo
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Director, Mobile Architecture
Durham or Merrimack or Smithfield or Durham
OnsiteFull Time
Experience leading architecture for mobile apps (native & hybrid), AWS cloud, API design, and AI tooling; degree in engineering or computer science.
Swift, Kotlin, iOS, Android, Angular, JavaScript, TypeScript, HTML5, CSS3, Ionic, Capacitor, AWS, APIs, AI tooling, GitHub
1mo
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AI Associate
Manchester, New Hampshire, United States
OnsiteFull Time
Bachelor's/Master's in CS/Data Science/Engineering or equivalent experience; strong scripting (Python), API and automation familiarity; experience with Gen-AI tools (ChatGPT, Claude, Perplexity, Gemini, OpenAI); excellent communication and prompt design skills.
ChatGPT, Claude, Perplexity, Gemini, OpenAI, Python, APIs
1mo
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Senior Vulnerability Specialist (Infra)
Johnston or Westwood or Manchester or United States
$96k-$135k/yr OnsiteFull Time
5+ YOE5+ years in cybersecurity engineering or vulnerability management; strong scripting (Python, PowerShell, Bash); experience integrating Qualys, Tenable, Rapid7, Wiz, ServiceNow; knowledge of cloud, REST APIs, VM processes and remediation workflows.
Python, PowerShell, Bash, Qualys, Tenable, Rapid7, Wiz, ServiceNow, ServiceNow SecOps, CMDB, REST APIs, CI CD
2mo
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Product Owner, Fleet Management & Cloud
Amherst or Pleasanton or San Jose
$128k-$178k/yr OnsiteFull Time
5+ YOEBachelor's in CS/Engineering or equivalent, 5+ years product ownership or Agile delivery experience, cloud and enterprise software familiarity, strong Agile/Scrum skills, backlog and stakeholder management, eligible for U.S. government export authorization.
Agile, Scrum, APIs, IoT platforms, cloud architectures, IT/OT
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