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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
Bethesda or Waltham
$164k-$257k/yr HybridFull Time
8+ YOE8+ years software engineering; production-grade APIs; GraphQL; Node.js; TypeScript; Go; OAuth2/JWT; security; scalable SaaS APIs.
GraphQL, Node.js, TypeScript, Go, Jenkins, ArgoCD, Datadog, OAuth 2.0, JWT
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
1mo
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Principal Software Engineer
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
10+ YOEActive Secret clearance, Bachelor's in CS/CE + 10+ years (or equivalent) experience, embedded C/C++ development on Linux, Python scripting, Agile/DevSecOps and CI/CD, software testing/verification, and strong communication and team leadership skills.
C++, C, Python, Linux, Jira, Confluence, Bitbucket, Git, CI/CD
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
2mo
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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
2mo
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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
1mo
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Principal Software Engineer
Tewksbury, Massachusetts, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEU.S. citizenship and ability to obtain Interim Secret clearance; typically a STEM bachelor’s with 8+ years (or advanced degree with 5+ years); strong C/C++ (or Java) and Unix/Linux experience; embedded/real-time systems, multithreading, and performance optimization skills.
C/C++, Java, Unix/Linux, tcsh, csh, bash, Git, ClearCase, VxWorks, Integrity, Agile, Scrum
2mo
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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
2mo
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Principal Software Engineer
Westlake or Merrimack
HybridFull Time
4+ YOEBachelor’s degree preferred; 4+ years software engineering; strong Python/Java, AWS, CI/CD, Spring Boot, SQL; experience with automation, AI-assisted code, and mentoring.
Python, Java, Spring Boot, AWS, EKS, Docker, REST, Maven, JSON, Tomcat, Swagger, Message Queues, Concourse, Git, Jenkins, Artifactory, Veracode, uDeploy, Selenium, Cucumber, FitNesse, Oracle, SQL
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
1mo
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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
2w
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Principal Software Engineer
Burlington, Massachusetts, United States
$178k-$230k/yr HybridFull Time
10+ YOE2+ MgmtBachelor's in CS/CE or equivalent, 10 years professional software engineering experience with strong Java, object-oriented design, database and automation skills; 2 years technical leadership; experience with cloud projects and CI/CD tools.
Java, C#, React, SQL, SQL Server, PowerShell, Jenkins, GIT, JavaScript, SOAP, REST, XML, JSON, Azure
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
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr HybridFull Time
5+ YOEBachelor’s degree + 7+ years software engineering or advanced degree + 5+ years; experience designing and developing scalable systems for manufacturing operations; mentoring, requirements capture, database architecture, CI/CD, and cross-functional collaboration; ability to travel 25%.
Ignition, deviseWISE, Microsoft Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, CI/CD Pipelines, RESTful API Design, Java, C++, .NET, Scala, Lua, Python, SQL
4d
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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
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
2mo
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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
3w
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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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