30 senior full stack developer jobs at 16 companies in Barrington, NH

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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
4mo
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Senior Full Stack Engineer
Westlake or Jersey City or Merrimack or Smithfield
$97k-$185k/yr HybridFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Experience building web apps in production using Python or JavaScript/TypeScript; strong CI/CD knowledge; version control with Git/Jenkins; collaborative mindset.
Python, JavaScript, TypeScript, Git, Jenkins, CI/CD
1mo
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Senior Full Stack Developer
Nashua or New Hampshire
$97k-$165k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBachelor's degree in CS or equivalent experience, 4+ years professional software development, full-stack web app delivery, API integration, frontend framework proficiency, SQL schema and query design, Git, and automated testing.
ASP.NET Core, Blazor, MudBlazor, C#, SQL Server, Dapper, FluentValidation, Git, HTML, CSS, JavaScript, TypeScript, CI/CD, Active Directory
1mo
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Senior Full-Stack Engineer
San Francisco or New York City or Portland or United States
$185k-$215k/yr HybridFull Time
Forerunner
Forerunner: AI-powered platform for government built environment management.
5+ YOE5+ years product engineering experience; strong TypeScript, React, SQL/PostgreSQL (PostGIS) skills; familiarity with AWS, CI/CD, containerization, and developer tooling; mentorship and product-ownership experience; U.S. work authorization required.
TypeScript, React, PostgreSQL, PostGIS, AWS, SQL, CI/CD, Cursor, Claude Code
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Principal, Full Stack Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
10+ YOE10+ years in full-stack software development; Angular, Java, Spring Boot; AWS; Kubernetes; test automation; Agile; finance domain familiarity.
Angular, Java, Spring Boot, AWS, Kubernetes, Test Automation
1w
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Senior Full Stack Software Engineer - Claims Technology
Portsmouth or Columbus or Boston or Indianapolis or Plano
$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; strong full stack skills with Java/Spring Boot and JavaScript/TypeScript; AWS cloud-native experience; CI/CD, observability, and enterprise security experience.
Lambda, API Gateway, S3, RDS, DynamoDB, SQS, SNS, Step Functions, CloudWatch, IAM, ECS, EKS, Java, Spring Boot, JavaScript, TypeScript, React, Angular, Vue, GitHub Actions, Datadog, Splunk, SQL Server, Kubernetes, GitHub Copilot, Microsoft Copilot, LibertyGPT, Apigee
3w
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Full Stack Engineer
Durham or Merrimack or Boston
$70-$110/hr OnsiteFull Time
Fidelity Investments
Fidelity Investments: Financial services and investment management firm providing advisory solutions.
8+ YOE8+ years Java/Spring experience, strong distributed systems and API skills, CI/CD and container experience, AWS knowledge, degree in CS/Engineering, strong problem solving and mentoring ability.
Java, Spring MVC, Spring, Springboot, Web Services, SOAP, REST, Jest, Jasmine, Docker, Jenkins, artifactory, uDeploy, GitHub, AWS
1w
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.NET Full Stack Engineer
Beverly, Massachusetts, United States
$103k-$173k/yr OnsiteFull Time
EPAM Systems
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
Strong C#/.NET, Angular, SQL, and Microsoft Azure experience; able to deliver in rapid weekly sprints; familiarity with AI-assisted coding tools (Cursor) preferred.
.NET, C#, Angular, ReactJS, TypeScript, Microsoft Azure, PostgreSQL, Microsoft SQL Server, SQL, Amazon Web Services, Cursor, Model Context Protocol (MCP)
1mo
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Java Full Stack Engineer
Merrimack or Dallas or Smithfield
$90k-$157k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
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
1mo
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Senior Full-stack Software Engineer – Verification Data and Visualization Platform
Santa Clara or Westford or Durham
$152k-$288k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
3+ YOEExperience building full-stack web apps with JavaScript/TypeScript, modern frontend frameworks, Java microservices, distributed systems, Kafka/Flink/Spark streaming, Redis, and scalable data pipelines. BS+5 yrs or MS+3 yrs required (or equivalent experience).
Kafka Streams, Apache Flink, Spark Streaming, Apache Kafka, JavaScript, TypeScript, Redis, Elasticsearch, Kibana, Logstash, Elastic Stack, LangChain, OpenTelemetry, Docker, Kubernetes, Grafana, Java
1mo
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Senior Full-Stack Software Engineer - VLSI Tools
Santa Clara or Durham or Austin or Westford
$152k-$288k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
5+ YOE5+ years experience, BS/MS in CS or related (or equivalent experience), knowledge of VLSI design, JavaScript/Node.js, modern frontend frameworks, distributed microservices, databases, OOP, data structures and algorithms.
JavaScript, Node.js, Vue.js, React.js, Svelte, Ember.js, SQL, MongoDB, Python, Golang, Cursor, Claude Code, Co-pilot
1mo
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Full-Stack GUI Software Developer (Merrimack, NH, US)
Merrimack or Massachusetts or Pennsylvania or Minnesota or Texas or Arizona or Oregon or California
$101k-$150k/yr RemoteFull Time
Celestica
CelesticaNYSE: CLS: Provides design, manufacturing, and supply chain solutions for electronics.
6+ YOE6+ years experience building full-stack, cloud-native GUI applications; expertise with modern JS frameworks, GUI automation, backend services, CI/CD, and AI/ML integration in networking and data center contexts.
React, Vue.js, Angular, Playright, Cypress, Selenium, Node.js, JavaScript, Python, Go, SONiC, OpenBMC, Kubernetes, Docker, SPyTest, Claude Code, GitHub Actions, Azure DevOps, Jenkins, IXIA
3mo
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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
1mo
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Full Stack Engineering Lead
Salem, New Hampshire, United States
OnsiteFull Time
Analogic
Analogic: Provides imaging and detection technology for healthcare and aviation.
7+ YOE7+ years software engineering experience, proficiency in Java/Python/Go, experience modernizing legacy systems to microservices, hands-on DevOps with Terraform/CloudFormation/Ansible, CI/CD and container expertise, IoT/Cloud exposure, leadership and mentoring skills.
Java, Python, Go, Tomcat, Terraform, CloudFormation, Ansible, GitLab, MQTT, AWS Greengrass, Docker, Kubernetes, OpenTelemetry (OTEL)
1mo
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Lead Software Engineer, .Net Full Stack (Hybrid)
Berlin or Westwood or Windsor or Manchester
$149k-$165k/yr HybridFull Time
Eversource Energy
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
8+ YOE8+ years related experience; Bachelor's degree or equivalent; advanced full‑stack .Net technical leadership, architecture, mentoring, and strategic problem solving; must be able to travel between MA/CT/NH and respond to emergency restoration assignments.
.Net
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
Alumni Ventures
Alumni Ventures: Provides individual investors access to diversified venture capital funds.
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
1mo
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Senior Fullstack Engineer (Team Builder & Full-Stack Specialist) (HYBRID)
Wakefield, Massachusetts, United States
$130k-$160k/yr HybridFull Time
C-4 Analytics
C-4 Analytics: Provides data-driven digital marketing and analytics for automotive dealerships.
Mastery of JavaScript, Node.js, AWS Lambdas, Angular, TypeScript, and MongoDB; experience with serverless architectures, AI code assistants, CI/CD and SDLC; strong mentorship, team building, and scalable system design skills.
JavaScript, Node.js, AWS Lambdas, MongoDB (Atlas), Angular, TypeScript, GitHub Copilot, Cursor, LLM-integrated workflows, Snowflake
2mo
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Staff Software Development Engineer, Web
Boston or San Francisco or Dallas or Salt Lake City or Seattle or Portland
$141k-$173k/yr RemoteFull Time
WEX
WEXNYSE: WEX: Provides global payment processing and business information management services.
8+ YOEBachelor’s in CS/Software Eng; 8-10 yrs software engineering; strong front-end and full-stack skills; modern front-end frameworks; TypeScript/JavaScript; REST/GraphQL; web security; collaboration and maintainability.
Angular, React, TypeScript, JavaScript, HTML5, CSS3/SASS, REST, GraphQL, Docker, Kubernetes, AWS, GCP, Azure, MySQL, MongoDB
3mo
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AI/ML Development Principal Engineer
Durham or Lowell or Morgan Hill
OnsiteFull Time
MACOM
MACOMNASDAQ: MTSI: Designs and manufactures semiconductor products for communications infrastructure.
7+ YOE7-12 years AI engineering experience; expert in agentic AI, Generative AI, and orchestration; strong Python and AI stack skills; experience deploying AI in engineering/manufacturing; ITAR-compliant US Person
Python, AI development stacks, OpenAI, Anthropic, AWS Bedrock
4mo
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DevOps Engineer (Hybrid)
Merrimack or San Diego or New Hampshire or California or United States
$133k-$226k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOEEligible for Secret clearance; experience with on‑prem cloud (OpenStack/VMware/Azure Stack), containers (Kubernetes, Docker), scripting (Python, Bash, PowerShell), automation (Ansible/Puppet/Chef), GitLab CI/CD, Linux/Unix, and monitoring tools; typically Bachelor's + ~8 years.
OpenStack, VMware, Azure Stack, Kubernetes, Docker, Rancher, Docker Swarm, Python, Bash, PowerShell, Ansible, Puppet, Chef, GitLab, Nagios, Prometheus, ELK stack, Linux, Unix