11 java react developer jobs at 4 companies in Concord, NH
3w
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Staff Software Engineer-JAVA
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
7+ YOE7+ years building enterprise Java web applications; strong Java, Spring Boot, Hibernate/JPA, React, SQL, cloud-native and AI integration experience; TDD and CI/CD practices.
Java, J2EE, Spring Boot, Spring Framework, Hibernate/JPA, React, JavaScript, HTML5, CSS3, REST APIs, SQL, LangGraph, OpenAI Agents SDK, CrewAI, AutoGen, OpenAI, Anthropic, Google Gemini, AWS, Microsoft Azure, Google Cloud Platform, Kubernetes, Docker, OpenShift, Terraform, CloudFormation, ARM Templates, GitHub Actions, Jenkins, Azure DevOps, GitLab CI, Datadog, Grafana, Prometheus, Splunk, OpenTelemetry, Bash, Python, PowerShell, GitHub Copilot, ChatGPT, Cursor, Claude
1mo
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Staff Software Engineer- Payroll Platform
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
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
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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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
4w
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Sr. Staff Software Engineer
Lowell, Massachusetts, United States
$146k-$209k/yr HybridFull Time
10+ YOE10+ years building enterprise Java-based web applications, expertise with cloud-native architectures, AI/LLM integrations, microservices, REST APIs, and strong testing and CI/CD practices.
Java, J2EE, Spring Boot, Spring Framework, Hibernate/JPA, React, JavaScript, HTML5, CSS3, REST APIs, Microservices, SQL, GitHub Copilot, ChatGPT, Cursor, Claude, LangGraph, OpenAI Agents SDK, CrewAI, AutoGen, OpenAI, Anthropic, Google Gemini, Model Context Protocol (MCP), AWS, Microsoft Azure, Google Cloud Platform, Kubernetes, Docker, OpenShift, Terraform, CloudFormation, ARM Templates, GitHub Actions, Jenkins, Azure DevOps, GitLab CI, Datadog, Grafana, Prometheus, Splunk, OpenTelemetry, Bash, Python, PowerShell
1mo
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Builder - Mobile (Platform), Ring
North Reading, Massachusetts, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years mobile development experience; strong native iOS (Swift/Objective-C) or Android (Kotlin/Java) or React Native; experience with UI frameworks, concurrency patterns, testing, CI/CD; familiarity with AI-assisted development preferred.
Swift, Objective-C, Kotlin, Java, React Native, SwiftUI, UIKit, Jetpack Compose, Combine, Coroutines, async JS, WebRTC, HLS, RTSP
1w
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Director, Full Stack Engineering
Merrimack, New Hampshire, United States
OnsiteFull Time
6+ YOEDirector-level engineer with expertise in building highly scalable distributed systems using Java, Python, Oracle, Angular, Kafka and AWS; CI/CD, testing, and messaging integrations; Bachelor’s (6 yrs exp) or Master’s (4 yrs exp).
Java, Python, Oracle, Angular, Kafka, Node.js, J2EE, React, JavaScript, HTML, Bootstrap, IBM integration, MQ, Informatica, Amazon Web Services (AWS), Git, Jenkins, uDeploy, Datadog, Newrelic, JMeter, JUnit, Jasmine, Karma, Cypress, Playwright
1mo
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Sr. Builder - Mobile (Platform), Ring
North Reading, Massachusetts, United States
$168k-$227k/yr OnsiteFull Time
7+ YOE7+ years professional software and mobile development experience, 5+ years native iOS or Android (or equivalent cross-platform) experience, experience designing mobile architectures, CI/CD, automated testing, large-scale production systems, and technical leadership/mentorship.
Swift, Objective-C, Kotlin, Java, React Native, Flutter, Kotlin Multiplatform, SwiftUI, UIKit, Jetpack Compose, Coroutines, Combine, Bazel, Gradle, SwiftPM, Tuist, WebRTC, HLS, RTSP
1mo
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Builder - Mobile (General feature Dev), Ring
North Reading, Massachusetts, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years professional software development with mobile apps (iOS/Android or React Native); experience with modern UI frameworks, testing, CI/CD, and mobile performance and reliability.
Swift, Objective-C, Kotlin, Java, React Native, SwiftUI, UIKit, Jetpack Compose, Swift Concurrency, Combine, Coroutines, async JS, CI/CD
1mo
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Builder - Mobile (Platform), Ring
North Reading, Massachusetts, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years mobile development (iOS/Android or React Native); strong mobile fundamentals, modern UI frameworks and concurrency, unit/UI testing, CI/CD experience; Bachelor's preferred.
Swift, Objective-C, Kotlin, Java, React Native, SwiftUI, UIKit, Jetpack Compose, Swift Concurrency, Combine, Coroutines, JavaScript, WebRTC, HLS, RTSP, Bluetooth, CI/CD
1mo
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Sr. Builder - Mobile (General feature Dev), Ring
North Reading, Massachusetts, United States
$168k-$227k/yr OnsiteFull Time
7+ YOE7+ years professional software development, 5+ years native mobile (iOS Swift/Objective-C or Android Kotlin/Java) or cross-platform experience, mobile architecture and CI/CD expertise, experience shipping at large scale, mentoring/tech lead experience.
Swift, Objective-C, Kotlin, Java, React Native, SwiftUI, UIKit, Jetpack Compose, Coroutines, Combine, Flutter, Kotlin Multiplatform, REST APIs, CI/CD, Automated testing, Production monitoring