66 reactjs jobs at 29 companies in Durham, NH

3mo
Save
Mark Applied
Hide
Senior Software Systems Engineer (5797)
Newington, New Hampshire, United States
OnsiteFull Time
SubCom
SubCom: Manufactures and installs undersea fiber optic cable systems.
Master's degree in STEM; strong C++, C#, SQL; REST/OpenAPI; Linux development; web tech (ReactJS); software design, testing, and security knowledge.
C++, C#, SQL, ReactJS, RESTful APIs, OpenConfig, Linux, Red Hat, OpenAPI
3mo
Save
Mark Applied
Hide
Senior Software Systems Engineer
Newington, New Hampshire, United States
OnsiteFull Time
SubCom
SubCom: Designs, manufactures, and installs subsea fiber optic cable systems.
Graduate STEM degree required; proficiency in C++, C#, SQL, ReactJS, RESTful/OpenConfig APIs, Linux (Red Hat); experience with automated testing, source control, security, and strong written/verbal communication.
C++, C#, SQL, ReactJS, RESTful APIs, Open API, OpenConfig, Linux, Red Hat
1w
Save
Mark Applied
Hide
Software Engineer, New College Graduate, (Teradyne, North Reading, MA)
North Reading, Massachusetts, United States
$73k-$117k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
0+ YOEBachelor's in CS or related,0-2 years experience,certifications in cybersecurity/DevOps/cloud preferred,experience with Python,C#,JavaScript/TypeScript,SQL,React/Redux,Fast API,PostgreSQL/Microsoft SQL Server,Linux/Windows,cloud basics,strong analytical and communication skills.
Python, C#, JavaScript, TypeScript, SQL, React, Redux, Fast API, PostgreSQL, Microsoft SQL Server, Linux, Windows, Azure, AWS, Google Cloud, Azure DevOps, GitHub Actions, Jenkins, GitLab CI/CD, Terraform, Ansible, Docker, Kubernetes, SAST, DAST, software composition analysis, secrets scanning
3mo
Save
Mark Applied
Hide
Advanced Software Engineer
Wilmington, Massachusetts, United States
$120k-$165k/yr HybridFull Time
Symbotic
SymboticNasdaq: SYM: AI-powered robotics and software for warehouse automation.
5+ YOE5+ years in software development; fullstack with React/Angular, Node.js, and C# .NET; distributed, event-driven systems (Kafka, RabbitMQ, SignalR); REST APIs; mentorship and cross-functional collaboration.
React, Angular, Node.js, C# .NET, Kafka, RabbitMQ, SignalR, REST APIs
1mo
Save
Mark Applied
Hide
Senior Full Stack Engineer - GO
Westlake or Merrimack
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
5+ YOE5+ years enterprise Java development, 4+ years Spring Boot microservices, AWS experience, proficiency with React/Angular, REST APIs, databases (Oracle, Cassandra, PostgreSQL, YugabyteDB), CI/CD and automated testing; BS/MS in CS or related preferred.
Java, Spring Boot, REST APIs, Angular, React, Apache Camel, Cassandra, YugabyteDB, Oracle, RDS, AWS, GO, AWS EC2, EKS, S3, Lambda, PostgreSQL
3mo
Save
Mark Applied
Hide
Senior Software Engineer, Mobile (React Native)
San Francisco or New York City or Portland
$185k-$215k/yr HybridFull Time
Forerunner
Forerunner: AI-powered platform for government built environment management.
5+ YOE5+ years software engineering; 3+ years React Native; JS/TS and React; cross-platform mobile; mobile performance and UI/UX; RESTful APIs; native mobile knowledge; strong collaboration; adaptable in fast-moving env.
React Native, JavaScript, TypeScript, React, Redux, RESTful APIs
1w
Save
Mark Applied
Hide
Full Stack Developer
North Andover, Massachusetts, United States
$100k-$120k/yr HybridFull Time
Reynolds and Reynolds
Reynolds and Reynolds: Provides software and services for automotive retailers.
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
2mo
Save
Mark Applied
Hide
Senior Full-Stack Developer
Wakefield, Massachusetts, United States
$115k-$125k/yr RemoteFull Time
Kelmar Associates
Kelmar Associates: Provides unclaimed property management systems and services to governments.
5+ YOE5+ years in modern full-stack web apps; Angular and Spring Boot; AWS serverless/Kubernetes; MySQL/OpenSearch; CI/CD; mentoring; client interaction.
Angular, Spring Boot, MySQL, OpenSearch, Git, AWS, Lambda, EKS, Fargate, React, Vue
2w
Save
Mark Applied
Hide
Software Engineer, Form Now
Somerville or Billerica
$110k-$145k/yr OnsiteFull Time
Formlabs: Develops and manufactures professional-grade 3D printers and materials.
Full-stack web development experience with Python/Django and Next.js/React.js, production software ownership, collaboration with cross-functional teams, and willingness to work on-site in Billerica, MA as needed.
Python, Django, Next.js, React.js, Manufacturing Execution System (MES)
3mo
Save
Mark Applied
Hide
Front-End Engineer, Amazon Robotics
North Reading, Massachusetts, United States
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
4+ YOE4+ years front-end development with JavaScript, HTML, CSS; 3+ years CS fundamentals; experience with Angular and React.
JavaScript, HTML, CSS, TypeScript, React, Angular, Node
3mo
Save
Mark Applied
Hide
Sr. Software Engineer II - Java/Microservices, AVP
Burlington, Massachusetts, United States
$90k-$158k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
8+ YOE8+ years in software engineering with 5+ years designing/developing solutions; strong Java experience; cloud native microservices; SQL/NoSQL databases; Agile environment.
Java, C#, React, SQL, JavaScript, Spring Boot, Kafka, Azure Service Bus, RabbitMQ, Kubernetes, Redis, Cosmos, MongoDB, Snowflake, Dynatrace, Solarwinds, Grafana, OpenTelemetry
3mo
Save
Mark Applied
Hide
Senior Full Stack Ruby on Rails Software Engineer
Wakefield or Cambridge
$125k-$150k/yr HybridFull Time
Vestmark
Vestmark: Provides wealth management technology for financial advisors and institutions.
5+ YOE5+ years Ruby on Rails; 3+ years React/JavaScript; PostgreSQL; TypeScript a plus; Docker/AWS/GCP a plus; testing with RSpec/Jest; OO/FP proficiency.
Ruby on Rails, React, PostgreSQL, TypeScript, Inertia.js, Docker, AWS, Azure, GCP, Okta, Devise, RSpec, Jest
2w
Save
Mark Applied
Hide
Factory Data Analytics Engineer
Andover, Massachusetts, United States
$87k-$165k/yr HybridFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEU.S. citizenship and ability to obtain/maintain DoD Secret clearance, university degree or equivalent with 5+ years' relevant experience (3+ with advanced degree), programming and web development experience, SQL and Python ecosystem familiarity.
Python, Perl, C, C++, C#, Java, Pandas, NumPy, Scikit-learn, Matplotlib, Minitab, R, JMP, SAS, MSSQL, MariaDB, SQL, Angular, React, jQuery
1mo
Save
Mark Applied
Hide
Intermediate Level Software Engineer - Nashua, New Hampshire, United States
Nashua, New Hampshire, United States
$90k-$110k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
2+ YOEBachelor's degree in computer science or related field; 2+ years software development; US citizen; ability to obtain security clearance; skills in C#, JavaScript/TypeScript, .NET; Azure DevOps, Jira; web frameworks (HTML/CSS/React)
Azure DevOps, Jira, C#, JavaScript, TypeScript, .NET, HTML, CSS, React, AngularJS, Blazor
2w
Save
Mark Applied
Hide
Senior Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus
$106k-$197k/yr HybridFull Time
Liberty Mutual Insurance
Liberty Mutual Insurance: Global provider of property and casualty insurance products.
5+ YOE5+ years software engineering experience; proficiency with Python or Java, React, Node.js, Spring Boot, AWS, RESTful services and RDS; strong algorithms, system design, and communication skills; bachelor's or master's in technical/business field or equivalent experience.
Python, Java, React, Node.js, Spring Boot, AWS, RESTful services, RDS
2w
Save
Mark Applied
Hide
Frontend C2 Systems Full Stack Developer
Hanscom AFB or Hampton
$113k-$257k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
8+ YOE8+ years software development experience with frontend expertise; React and TypeScript; accessibility (Section 508/WCAG); REST or GraphQL integration; automated testing, CI/CD, containerized deployment; ability to obtain Secret clearance.
React, TypeScript, Jest, Cypress, D3, Mapbox, Cesium, GraphQL, REST, SAST, DAST
5d
Save
Mark Applied
Hide
Senior Mission Software Engineer
Lexington, Massachusetts, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software development experience owning production systems; strong Python and C++ skills; 5+ years Linux experience; diagnose cross‑stack issues; strong communication; eligible for U.S. Secret clearance.
Python, C++, Linux, gRPC, React, JSX, Nix, NixOS
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Newburyport, Massachusetts, United States
OnsiteFull Time
Darling Consulting Group
Darling Consulting Group: Provides asset liability management and risk solutions for banks.
Lead architecture of large-scale distributed systems; strong in data modeling, API design; cloud experience; proficient in modern languages; CI/CD and DevOps.
Python, C#, Java, JavaScript, REST, AWS, Azure, GCP, Angular, React, .NET, CI/CD, DevOps, Claude Code, GitHub Copilot
2mo
Save
Mark Applied
Hide
Technical Project Manager, I/II
Beverly, Massachusetts, United States
$90k-$110k/yr OnsiteFull Time
HighRes Biosolutions: Manufactures robotic systems and software for laboratory automation.
3+ YOE3–6+ years project management in life sciences or related fields; experience leading cross-functional engineering/automation projects; FAT/SAT/validation experience; strong PM fundamentals; bachelor degree in engineering or related technical field.
Zephyr, Xray, Git, Jenkins, PostgreSQL, C#, ASP.NET Core, React
1mo
Save
Mark Applied
Hide
Software Developer II
Westbrook or Maine or New Hampshire or Massachusetts
$90k-$100k/yr HybridFull Time
IDEXX
IDEXXNASDAQ: IDXX: Diagnostic equipment and software for veterinary and water testing.
2+ YOE2+ years software engineering; frontend and backend experience; NodeJS or Java; JavaScript/TypeScript and React; AWS serverless (RDS, DynamoDB, API Gateway, Lambda, S3); SQL; Datadog; GitHub and CI/CD; Agile experience.
NodeJS, Java, JavaScript/TypeScript, React, AWS, RDS, DynamoDB, API Gateway, Lambda, S3, SQL, Datadog, AWS Cloudwatch, GitHub, AWS CodePipeline