155 principal software engineer jobs at 71 companies in Warren, RI
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Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
8+ YOE8+ years backend software engineering; degree or equivalent; cloud, IaC, CI/CD; APIs; strong communication; leadership.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, Elasticsearch, CI/CD, SASS
2mo
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Principal Software Engineer
Waltham or North Bethesda
$200k-$225k/yr HybridFull Time
8+ YOE8–12+ years of software development; expert in Python, React/TypeScript, AWS; strong system architecture and enterprise integration experience; Bachelor's degree in CS/Engineering or related field.
Python, React, TypeScript, AWS
6d
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Principal Software Engineer
Boston, Massachusetts, United States
$144k-$170k/yr OnsiteFull Time
10+ YOE5+ MgmtBachelor's degree and 10+ years of software engineering experience required, including 5+ years of technical leadership. Requires proficiency in two TIOBE top-20 languages and complex systems architecture experience.
Elixir, AWS, Terraform, OpenTofu, Infrastructure as Code, GTFS, GTFS-RT, TODS, TIDES
2mo
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Principal Software Engineer
Wellesley, Massachusetts, United States
$144k-$288k/yr HybridFull Time
8+ YOE8+ years software experience; 4+ years as technical leader; strong Python/Java; cloud (GCP); microservices; ML; real-time systems; UI (React/Angular).
Python, Java, GCP, React, Angular, Machine Learning, OCR, LLMs
3mo
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Principal Software Engineer (Cloud)
Boston, Massachusetts, United States
HybridFull Time
15+ YOE15+ years software engineering; cloud-native distributed systems; leadership; backend languages (Rust, Python, TypeScript, Go); cloud platforms (AWS, GCP, Azure); strong communication; AI-assisted tooling familiarity.
Rust, Python, TypeScript, Go, AWS, GCP, Azure, Claude Code, Codex, Cursor
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Principal Software Engineer - AI
Boston, Massachusetts, United States
$120k-$180k/yr OnsiteFull Time
New Balance: Designs and manufactures athletic footwear, apparel, and sports equipment.
10+ YOE10+ years software development with 4+ years AI/ML and LLMs; extensive Python, agentic frameworks, and Microsoft AI ecosystem experience.
Python, LangChain, LangGraph, Semantic Kernel, Azure OpenAI Service, Azure AI Search, Microsoft Copilot Studio, React, RESTful APIs, ERPs, CRMs, SQL, NoSQL
2mo
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Principal Software Engineer, Data
Cambridge or San Francisco
$204k-$348k/yr HybridFull Time
8+ YOE8-15 years of backend-focused engineering; full stack experience; AWS, Kubernetes; API design; data pipelines; Python; collaboration with scientists and engineers.
React, TypeScript, Nx, Tailwind, FastAPI, SQL/NoSQL, Python, Pydantic, SQLAlchemy, SQLModel, Django, Airflow, Prefect, Temporal, Dagster, pandas, numpy, scipy, jax, pytorch, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions
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Principal Software Engineer
Cambridge, Massachusetts, United States
$300k-$500k/yr OnsiteFull Time
Hands-on, production-focused senior IC with full-stack expertise across backend, frontend, infra, and AI systems; strong Python, cloud, databases, and LLM tooling; ownership of critical systems.
Python, Node.js, REST, gRPC, AWS, GCP, Azure, Kubernetes, Terraform, PostgreSQL, MySQL, MongoDB, Cassandra, DynamoDB, Neo4j, Vector databases, LangSmith, OpenAI, Anthropic, Frontend
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Principal Software Developer - SafeTrace
Boston, Massachusetts, United States
$104k-$176k/yr OnsiteFull Time
10+ YOE10+ years software engineering with 5+ years in principal/architect roles; expert C# or Java/Python; experience with REST APIs, microservices, event-driven systems, CI/CD, containerization, SQL/NoSQL, AWS and Terraform; security and compliance (OWASP, OIDC, SAML2, SOC2, ISO27001, HIPAA).
C#, Java, Python, RESTful APIs, Microservices, Domain-driven design, CI/CD, Event-driven architecture, Service-oriented architecture, High-availability, Containerization, SQL, NoSQL, Epic, AWS, ECS, EKS, RDS, Lambda, S3, SQS, CloudFormation, Terraform, OWASP, OIDC, SAML2, SOC2, ISO27001, HIPAA
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Principal Reliability Engineer – Software Quality
Boston, Massachusetts, United States
$141k-$198k/yr HybridFull Time
7+ YOEBachelor’s or Master’s in IT/CS/Software Eng with 5–7+ years in software engineering; strong knowledge of SDLC, regulatory standards, and software quality methods.
C, C++, C#, Python, SQL, Minitab
3mo
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Principal Software Engineer - Python
Boston, Massachusetts, United States
$150k-$300k/yr RemoteFull Time
12+ YOE12+ years of production Python development; enterprise SaaS; open-source tools; FastAPI; Pydantic; strong English communication; unrestricted right to work in the United States.
Python, Git, FastAPI, Pydantic
1mo
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Principal Software Engineer
Boston, Massachusetts, United States
$193k-$319k/yr HybridFull Time
12+ YOEBachelor's in Software Engineering or related and 12 years' experience; 10+ years with Linux networking, Kubernetes CNI, and Go/Python; 8+ years with OpenShift and image-based installers; 5+ years OVN; 2+ years DPU/SmartNIC experience.
Open Virtual Network (OVN), OpenShift, Cluster Network Operator (CNO), Doca Platform Framework (DPF), Data Processing Unit (DPU), BlueField Boot (BFB), HyperShift, Red Hat Enterprise Linux CoreOS (RHCOS), Assisted Installer, Single Node OpenShift (SNO), Go, Python, Kubernetes, CNI, Linux
1w
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Software Principal Engineer
Hopkinton, Massachusetts, United States
$168k-$231k/yr OnsiteFull Time
10+ YOE10+ years managing enterprise-scale DevOps tools and CI/CD pipelines with GitHub Actions, self-hosted runners, GitHub Enterprise Server administration, security and secrets management, container orchestration, and automation; bachelor's/master's preferred.
GitHub, GitHub Actions, GitHub Enterprise Server, OKTA, S3, Docker, Kubernetes, JavaScript, Linux, Windows, macOS
2mo
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Principal Reliability Engineer – Software Quality
Boston, Massachusetts, United States
$141k-$198k/yr HybridFull Time
5+ YOEBachelor's in IT/CS/Software Engineering; 5-7+ yrs software quality; SDLC, FDA/ISO; C/C++, C#, Python, SQL; Minitab; SFMEA/SFTA; software validation and V&V.
C, C++, C#, Python, SQL, Minitab
1w
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Principal Software Engineer/Developer
Smithfield, Rhode Island, United States
$132k-$166k/yr OnsiteFull Time
3+ YOEBachelor's degree plus 5 years or master's degree plus 3 years in software engineering, API testing, and automation scripting within financial services; expertise with automation, DevOps, databases, and CI.
Selenium WebDriver, Selenium Grid, TestNG, Java, JavaScript, JUnit, Cucumber BDD, Rest Assured, Karate, Playwright, MongoDB, PostgreSQL, Jenkins, Git, Jira, Qtest, Data Dog, Maven, JMeter, Appium, Redis, Kafka, Eclipse, IntelliJ IDEA
2w
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Principal Software Engineer, Onsite
Marlborough, Massachusetts, United States
$108k-$205k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience in lifecycle, architecture, embedded/RTOS, C++, Linux/VxWorks, security clearance and US citizenship required.
C++, Linux, VxWorks, UML, SysML, DevOps, Jenkins, Python, CORBA, Versal
1mo
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Principal Software Engineer
Johnston or Phoenix
OnsiteFull Time
7+ YOEBachelor's degree, 7+ years software development experience, leadership/mentoring experience, expertise with Node.js and Java/Spring, cloud and containerization experience, CI/CD tooling, security protocols, and AI-assisted development tools.
Node.js, Java, Python, Go, Angular, React, Spring, Spring Boot, AWS, Microsoft Azure, Google Cloud Platform (GCP), Docker, Kubernetes, OpenShift, Jenkins, Harness, Git, Bitbucket, Nexus, MySQL, PostgreSQL, Oracle, MongoDB, OAuth, SAML, GitHub Copilot, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Kafka, Amazon Kinesis, Amazon SQS, Apache Storm
5d
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Principal Software Engineer
Mansfield, Massachusetts, United States
$152k-$190k/yr RemoteFull Time
10+ YOE10+ years in software design and development preferred; expert C#, .NET, ASP.NET, Angular, and TypeScript; experience with AI/LLM integration, Python or .NET, full-stack applications, SDLC, and technical leadership.
Microsoft .NET, C#, ASP.NET, Angular, TypeScript, HTML, CSS, Python, OpenAI, Azure OpenAI, SQL, Microsoft SQL Server, AWS, LLMs, AI
3mo
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Principal Software Engineer – Audio Systems & Embedded Platforms
Framingham, Massachusetts, United States
$174k-$239k/yr OnsiteFull Time
10+ YOE10+ years embedded software and DSP, leadership of architecture, strong C/C++, audio/ANC/ANR, real-time embedded systems.
C/C++, MATLAB, Simulink, DSP, embedded systems, Linux
1mo
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Principal Software Engineer - US
Boston, Massachusetts, United States
RemoteFull Time
10+ YOE10+ years software engineering experience; strong Go skills; familiarity with .NET and TypeScript; event-driven microservices with Apache Kafka; AWS experience; CI/CD and automated testing; strong communication and technical leadership.
Go, .NET, TypeScript, Apache Kafka, AWS
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