89 principal software engineer jobs at 50 companies in Newfane, NY
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Principal Software Engineer
Toronto or Canada
$180k-$220k/yr RemoteFull Time
15+ YOE15+ years software engineering experience with 5+ years at staff/principal level; deep expertise in C#/.NET, TypeScript, Angular, SQL, Redis, Microsoft Azure; experience applying AI to engineering workflows and leading technical strategy.
C#, .NET, TypeScript, Angular, SQL, Redis, Microsoft Azure, CI/CD
3mo
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Principal Software Engineer - Python
Toronto, Ontario, Canada
$180k-$275k/yr RemoteFull Time
12+ YOESeasoned software engineer with 12+ years, Python, enterprise SaaS, open source tools, leadership, mentoring, strong English.
Python, Git, FastAPI, Pydantic
2mo
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Principal Software Engineer
Toronto, Ontario, Canada
$113k-$162k/yr HybridFull Time
9+ YOE9+ years in data engineering, data platforms, or distributed systems; cloud data pipelines; SQL and Python; experience with Spark/PySpark, DuckDB; Snowflake/Databricks/Redshift; Docker/Kubernetes; AWS preferred (Azure/GCP ok).
Python, SQL, PostgreSQL, SQL Server, Spark, PySpark, DuckDB, Snowflake, Databricks, Redshift, Docker, Kubernetes, AWS, Azure, GCP, S3, Delta Lake, Apache Iceberg
2mo
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Principal Software Developer
Montreal or Toronto
RemoteFull Time
15+ YOE15+ years software development, 5+ years technical leadership, 2+ years architecture across large teams, cloud experience, multi-stack, strong communication, English fluency.
Go, PHP, Java, Ruby on Rails, Python, Cloud
1d
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Senior Principal Software Engineer
Toronto, Ontario, Canada
$160k-$190k/yr HybridFull Time
8+ YOERequires 8+ years of software engineering experience, 3+ years in Staff, Principal, or Chief Architect roles, a relevant degree, distributed systems expertise, and advanced API, cloud, security, and platform architecture skills.
Apigee, Model Context Protocol (MCP), REST, GraphQL, OAuth 2.0, OIDC, OpenAPI, Kubernetes, GCP, AWS, C#, Python, Node.js
1mo
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Principal Software Engineer - PA058
Toronto, Ontario, Canada
OnsiteFull Time
12+ YOE12+ years backend/platform/infrastructure experience; strong Go and TypeScript skills; experience with GitOps/ArgoCD, Helm, Kubernetes, cloud providers (GCP/AWS), durable workflows/Temporal, and platform/tooling ownership.
TypeScript, Node, NestJS, ArgoCD, Helm, Cloud Run, Nx, Go, Temporal, Kubernetes (K8s), GCP, AWS, Terraform, Cloud Functions, Dataflow, Lambda, Istio, Agentic AI, MCP (Model Context Protocol), A2A (Agent-to-Agent)
2w
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Principal Software Engineer
Toronto or Dallas
$139k-$265k/yr HybridFull Time
10+ YOERequires 10+ years of enterprise software engineering experience, 8+ years with Salesforce and marketing technology, advanced Salesforce development and Data Cloud expertise, and specified Salesforce certifications.
Salesforce Sales Cloud, Marketing Cloud, MCAE, MCA, Salesforce Data Cloud, Qualtrics, 6sense, Openprise, AEM, Pardot, Email Studio, Journey Builder, Automation Studio, Contact Builder, Agentforce, Apex, Lightning Web Components, Flows, REST, SOAP, SFDX, Git, CRM Analytics, Tableau
2w
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Principal Software Engineer
Toronto or Dallas
$139k-$209k/yr HybridFull Time
10+ YOE10+ years enterprise software engineering with 8+ years on Salesforce/marketing technology; expertise in Salesforce, Marketing Cloud/Pardot, Data Cloud, integrations, Apex, LWC, and CI/CD.
Salesforce, Pardot, MCAE, Marketing Cloud, Marketing Cloud Advanced, Data Cloud, Adobe AEM, Qualtrics, 6sense, Openprise, Agentforce, Apex, Lightning Web Components, Flows, REST, SOAP, SFDX, Git, Tableau
1mo
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Principal Software Engineer
Toronto or California or Colorado or Illinois or New York or Washington or New York City
$184k-$276k/yr RemoteFull Time
8+ YOE8+ years software engineering experience (3+ years senior/staff leadership), proven large-scale distributed systems design, microservices/event-driven expertise, proficiency in Java/Kotlin/Go, cloud infrastructure experience preferred, BS in CS or equivalent.
Java, Kotlin, Go, AWS, GCP, Azure
2mo
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Principal Full-Stack Software Engineer
Toronto, Ontario, Canada
$146k-$183k/yr HybridFull Time
7+ YOE7+ years in software/platform engineering/architecture; strong Python (FastAPI), JavaScript/TypeScript (ReactJS); API design; DB design and SQL; cloud (Azure/AWS/GCP); leadership in enablement; internal developer platforms; experience with SonarCloud/LinearB/Datadog preferred.
Python, FastAPI, JavaScript, TypeScript, ReactJS, SQL, Datadog, SonarCloud, LinearB, Backstage
1w
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Staff / Principal Software Engineer
Toronto, Ontario, Canada
$80-$85/hr HybridContract
10+ YOE10+ years software engineering experience; strong Java and Spring Boot; AWS and distributed systems expertise; experience with AI/ML data pipelines, edge/CDN, and AI coding tools (e.g., GitHub Copilot).
Java, Spring Boot, AWS, GitHub Copilot, JavaScript, TypeScript, Python, Databricks, JWT, OAuth2, PKI
2mo
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Principal Software Engineer, MADS
Toronto, Ontario, Canada
$185k-$310k/yr OnsiteFull Time
10+ YOE10+ years software development, 7+ years building large-scale distributed systems, experience leading technical strategy for orgs of 30+ engineers, expertise in streaming/batch/columnar data systems, Bachelor's in CS or equivalent.
Kafka, Flink, Kinesis, Spark, EMR, Parquet, Iceberg, Delta Lake, S3, SQS, Firehose
1mo
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Principal Software Engineer
Toronto, Ontario, Canada
$113k-$162k/yr HybridFull Time
9+ YOE9+ years data engineering experience; proven cloud data pipeline expertise (AWS preferred); strong SQL and Python (3.x); experience with Spark/PySpark, DuckDB, cloud warehouses (Snowflake/Databricks/Redshift), containerization, and cloud object storage.
AWS, Azure, GCP, Spark, PySpark, DuckDB, SQL, Postgres, SQL Server, Python (Python 3.x), Snowflake, Databricks, Redshift, Docker, Kubernetes, AWS S3, Azure Blob Storage, Google Cloud Storage, GitHub Copilot, Claude Code, Cursor
2mo
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Principal Software Developer
Montreal or Toronto or Ontario or Quebec or Canada
HybridFull Time
8+ YOE8+ years software development experience, expert JavaScript/TypeScript and modern web technologies, experience with large-scale/platform systems, CI/CD and automated testing (Jest, Cypress), strong architecture, distributed systems, performance optimization and cross-team technical leadership.
JavaScript, TypeScript, Jest, Cypress, CI/CD
3w
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Principal Software Engineer
Buffalo, New York, United States
$179k-$189k/yr OnsiteFull Time
8+ YOE8+ years experience in solution/data architecture or related roles; experience with data architectures, ETL, REST APIs, CI/CD, Agile; Bachelor's in CS or related field accepted as alternative; strong communication and compliance awareness.
Mongo, Mark Logic, Snowflake, Redshift, Cassandra, SQL, Oracle, Microsoft SSIS, Azure ADF, Java, Python, Informatica, XQuery, GitLab CI/CD, GitLab, JIRA, Miro, Confluence
1mo
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Principal Software Engineer
Toronto, Ontario, Canada
RemoteFull Time
12+ YOE12+ years hands-on polyglot experience with strong Go, Python, TypeScript skills; deep distributed-systems and AI experience; messaging and multi-cloud experience; excellent debugging and mentoring ability.
Go, Python, TypeScript, GCP, NATS, Kafka, Redpanda, RabbitMQ, LLMs, SLMs, RAG, knowledge graphs, agents
3w
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Principal Software Engineer
Austin or Toronto or Alabama or California or Florida or Georgia or Illinois or Indiana or Kansas or Kentucky or Maryland or Michigan or Missouri or North Carolina or Ohio or Oregon or Rhode Island or Tennessee or Texas or Virginia
RemoteFull Time
Technical leader with hands-on experience building and replatforming SaaS products, team leadership, proficiency with NodeJS, C#, PostgreSQL and Microsoft SQL, and experience using AI tools (Claude preferred).
Claude, NodeJS, C#, PostgreSQL, Microsoft SQL
2mo
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Principal Automation Engineer
Toronto, Ontario, Canada
$130k-$145k/yr HybridFull Time
10+ YOE10+ years in software engineering and infrastructure automation; Bachelor's in CS/Engineering or related experience; strong Linux, IaC, and platform engineering expertise.
Ansible, Terraform, RedHat Linux, OpenShift, VMware, NetApp, PURE Storage, Portworx, Splunk, Grafana, RedHat Satellite, Python, Copilot, Claude
1mo
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Principal, Software Development Engineer
Toronto or Vancouver
$168k-$252k/yr HybridFull Time
8+ YOE8+ years building and operating large-scale distributed systems; bachelor’s in CS/Engineering or equivalent; deep Python, Ray (Ray Serve), and Prometheus experience; product-oriented platform design and mentorship skills.
Python, Ray, Ray Serve, Prometheus, GCP, AWS Bedrock, Gemini
2mo
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Principal Full-Stack Software Engineer
Toronto, Ontario, Canada
$146k-$183k/yr HybridFull Time
7+ YOE7+ years in software/platform engineering or architecture; hands-on with Python (FastAPI), JavaScript/TypeScript (ReactJS), API design, SQL, cloud platforms (Azure/AWS/Google Cloud); experience leading enablement teams and improving developer productivity.
Python, FastAPI, JavaScript, TypeScript, ReactJS, SQL, Azure, AWS, Google Cloud, SonarCloud, LinearB, Datadog, Backstage
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