3w
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Senior Software Engineer, Backend
Toronto, Ontario, Canada
$120k-$160k/yr HybridFull Time
5+ YOE5+ years backend experience, career-focused on Python; production experience with Django or similar (FastAPI/Flask); PostgreSQL, REST APIs, Celery, Redis, Git; strong debugging, ownership, and scalability skills.
Python, Django, FastAPI, Flask, PostgreSQL, REST APIs, Celery, Redis, Git, AWS, NumPy, pandas
1mo
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Software Developer
Tonawanda, New York, United States
$77k-$112k/yr OnsiteFull Time
7+ YOEBachelor's in CS or related, 7+ years software development, full-stack expertise (frontend SPA, backend Python), system architecture, relational DB design, mentorship, and willingness to travel up to 20%.
Vue.js, Python, FastAPI
3d
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Senior Full Stack Software Engineer
Toronto, Ontario, Canada
HybridFull Time
5+ YOE5+ years software engineering experience; strong with React and TypeScript, Python (FastAPI), SQL; cloud experience (Azure preferred); automated testing, CI/CD, and strong communication skills; English fluency required.
React, TypeScript, Python, FastAPI, JavaScript, SQL, Azure
1mo
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Lead Full Stack Developer - Delo (Toronto, ON, CA, M5C 3G7)
Toronto or Montreal
$84k-$175k/yr HybridFull Time
10+ YOE10+ years software engineering experience; strong React/Next.js front-end and Python/FastAPI back-end; production systems, event-driven architectures, PostgreSQL, MongoDB, Elasticsearch, LLM experience, CI/CD, and strong API design skills.
React, Next.js, Python, FastAPI, PostgreSQL, MongoDB, Elasticsearch, SQL, NoSQL, LLM, Cursor, Claude Code, Codex, pgvector, milvus, Docker, Kubernetes, AWS, Azure, GCP, CI/CD
3w
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Principal AI Platform Engineer
Toronto or Waterloo or Montreal or Calgary or Vancouver
OnsiteFull Time
Expert backend development with Java/Python (Spring Boot, Fast API), cloud-native microservices on AWS/GCP/Azure, Docker/Kubernetes/OpenShift, CI/CD and GitOps, identity (OAuth2, JWT, mTLS), SQL/NoSQL, enterprise governance, and team leadership.
Java, Python, Spring Boot, Fast API, REST APIs, AWS, GCP, Azure, Docker, Kubernetes, OpenShift, CI/CD, infrastructure-as-code, GitOps, OAuth2, JWT, mTLS, SQL, NoSQL
2w
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Lead Software Engineer AI (Staff Engineer)
Eagan or Frisco or Toronto or Ann Arbor
$127k-$237k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent, 5+ years full-stack experience building scalable cloud applications; expertise in C#/.NET, backend architecture, APIs, distributed systems, and AI integration (LLMs, OpenAI/Anthropic); front-end skills (JavaScript/Typescript, Angular/React); AWS, PostgreSQL/SQLServer, CI/CD.
C#, .NET, ASP.NET Core, FastAPI, SQLServer, PostgreSQL, AWS, Vercel, JavaScript, Typescript, HTML, CSS, Angular, React, GitHub Actions, OpenAI, Anthropic, LLMs
1mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
1w
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Senior Lead AI Application Engineer
Toronto or Calgary
OnsiteFull Time
5+ YOEBachelor's degree or equivalent,5+ years building production full‑stack systems with React/TypeScript and Node.js/Java/Python back ends,multi‑agent engineering,cloud‑native Kubernetes CI/CD,API and data integration,DevSecOps and observability experience.
React, TypeScript, Node.js, Express, Python, FastAPI, Java, Spring Boot, REST, gRPC, GraphQL, LangGraph, AutoGen, CrewAI, FAISS, pgvector, Milvus, Pinecone, Docker, GitHub Actions, Jenkins, Argo CD, Terraform, Helm, Kubernetes, Kafka, Redis, OpenTelemetry, Grafana, Prometheus, OAuth2, OIDC, Vault, KMS, Apigee, Kong, Istio, Linkerd, Snowflake, Postgres, MongoDB, ServiceNow, DeepSpeed, Triton, ONNX, Ray, SageMaker
2mo
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Software Engineer, Full-Stack Applications - Ratings Technology (Toronto, ON, CA)
Toronto, Ontario, Canada
$100k-$150k/yr HybridFull Time
7+ YOE7+ years of full-stack enterprise software experience; strong backend (Java/Spring Boot, Python) and frontend (React) skills; cloud, DevOps, and data knowledge.
Java, Spring Boot, Maven, Python, FastAPI, Flask, ReactJS, Node.js, AWS, Kubernetes, GitHub Actions, PostgreSQL, Oracle, MongoDB, Kafka, PySpark, Parquet, Avro, Apache Airflow, Streamlit, Bash
4w
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Senior Data Engineer
Toronto or Canada
$120k-$160k/yr RemoteFull Time
5+ YOE5+ years data engineering experience, expert SQL and strong Python, cloud data platform experience (BigQuery/dbt/Airflow preferred), production systems ownership, and legal authorization to work in Canada.
Python, SQL, Bash, Google Cloud Platform (GCP), BigQuery, dbt, Airflow, Cloud Composer, Pub/Sub, Cloud Functions, Kubeflow, Vertex AI, MLflow, FastAPI, Docker, Terraform, Protocol Buffers, Microsoft Azure DevOps, Grafana, GCP Logging
2w
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Agentic AI Architect - Intelligence Engineering (Toronto)
Toronto, Ontario, Canada
$123k-$195k/yr HybridFull Time
5+ YOE5+ years software engineering experience (2+ years in generative/agentic AI), hands-on multi-agent and RAG system design, cloud AI platform experience, Python development, strong communication and leadership skills.
Amazon Web Services, AWS Bedrock, Azure, Google Cloud, GCP Vertex AI, Gemini, Databricks, LangGraph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, Model Context Protocol (MCP), RAGAS, DeepEval, LangSmith, Claude Code, Cursor, Kiro, Python, FastAPI, Flask