20 full stack python developer jobs at 11 companies in Portsmouth, NH

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3mo
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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 Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
1+ YOEBachelor's + 3 years or Master's + 1 year; expertise with Java/Spring, Angular, Node.js, Kubernetes, SQL/Oracle; experience with CI/CD, automated testing, cloud services, and database systems.
Java, Spring MVC, Spring Core, Spring Boot, Angular, Node.js, Bootstrap5, CSS, Sass, AG Grid, Angular Flex Layout, cypress, junit, cucumber, karate, jest, Kubernetes, AWS EKS, SQL, Oracle, NX, NRWL, GraphQL, Playwright, Jenkins, Git, GitHub, Bitbucket, Artifactory, SonarQube, Veracode, Python, PowerShell, JMeter, Selenium, TestNG, Docker, Java17, OAuth, Kafka, EC2, S3, lambda, DynamoDB, CloudWatch, Datadog, IBM DB2, MySQL, Dynatrace, PL/SQL, Spring JDBC, DBUnit, React, TypeScript, JSON, UICL
4d
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Backend C2 Systems Full Stack Developer
Hanscom Air Force Base, Massachusetts, United States
$113k-$257k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOE8+ years software development experience with backend services and microservices; experience with server-side languages, data stores, messaging, containerization, CI/CD, and secure service design; ability to obtain Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, CI/CD, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry, mTLS, OAuth2, OIDC, API gateway, service mesh
2d
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Full Stack Developer Co-Op Spring 2027
Peabody or Boston
$23-$30/hr OnsiteInternship
Specter Aerospace
Specter Aerospace: Building hypersonic vehicles for defense and commercial applications.
Pursuing a bachelor’s in CS/CE/SE, experience with Python/JavaScript/TypeScript, databases/APIs, testing and documentation, ability to handle large datasets, and eligible for U.S. Secret clearance (U.S. citizen).
Python, JavaScript, TypeScript, React, Node.js, InfluxDB, SCADA, PLC, Git
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
1mo
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Full-stack Software Engineer I
Nashua, New Hampshire, United States
$65k-$110k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
0.5+ YOEBachelor's in Computer Engineering/Computer Science, ability to obtain US Secret clearance, minimum 6 months professional software development experience across UI, services, and databases; experience with Node.js/Go/Python, microservices, Kubernetes preferred.
Node.js, Google Go, Python, Kubernetes, Istio, Linkerd, Prometheus, Grafana, ELK stack, MySQL, PostgreSQL, MongoDB, Cassandra
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 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)
4d
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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)
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
1w
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Senior Deployed 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, strong Python and C++ skills, Linux expertise, ability to diagnose cross-stack issues, strong communication, willingness to travel ~15%, eligible for U.S. Secret clearance.
Python, C++, Linux, gRPC, React/JSX, Nix, NixOS, Lattice OS
2mo
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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
3mo
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Software Engineer - DPU Platform
Westford, Massachusetts, United States
$116k-$190k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
2+ YOE2+ years embedded software experience; proficient in C and Python; bachelor's degree in CS/Engineering; knowledge of system software stack and Linux; strong problem-solving and communication skills; familiar with build tools.
gcc, git, github, make, bitbake, shell scripts, gerrit, jenkins
1w
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Principal DevOps Engineer (Hybrid)
Merrimack or San Diego
$118k-$201k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
Active Secret clearance required, proven DevOps experience, on-prem cloud (OpenStack/VMware/Azure Stack) and containerization (Kubernetes/Docker), scripting (Python/Bash/PowerShell), automation (Ansible/Puppet/Chef), CI/CD (GitLab).
OpenStack, VMware, Azure Stack, Kubernetes, Docker, Rancher, Docker Swarm, Python, Bash, PowerShell, Ansible, Puppet, Chef, GitLab, Linux/Unix, Nagios, Prometheus, ELK stack
1mo
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Sr. Elastic Engineer
Bedford or Hanscomb AFB
$180k-$210k/yr OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
Elastic Stack expertise, scripting/automation, observability, production Elastic deployments, Linux/cloud knowledge, mentoring, strong communication, willingness for on-site, US passport, Secret clearance.
Elastic Stack, AWS, Azure, GCP, Linux, Python, PowerShell, Bash, Terraform, Ansible, CI/CD, Docker, Kubernetes, OpenShift, SIEM, Splunk

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