266,036+ Senior Developer Java Python Jobs in Canada — Top Companies Hiring September 2026

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Senior Network Systems Software Engineer (FPGA & Hardware)

Arista Networks is seeking world-class Senior/Lead Network Systems software engineers to design and build features that control hardware components on switches and routers. You will collaborate with customers, product management and hardware engineers to translate requirements into robust software, delivering ...

Analytics Engineer | Senior Consultant (Data & AI)

Slalom is a people-first global technology and analytics consultancy. The Analytics Engineer role (Senior Consultant or Consultant) centers on building semantic layers, enabling self-service analytics, and delivering data-rich applications using SQL, Python, Power BI, Tableau, Sigma, and open-source tools. </ ...

Senior Databricks Solutions Architect on AWS (Remote)

A global technology firm is seeking a Senior Solution Architect with extensive experience in Databricks and AWS to design scalable data solutions. This fully remote role requires strong design and architecture skills, with responsibilities including managing data pipelines and cloud infrastructure. Candidates mu ...

Senior Data Engineer — Cloud Data Platform Builder (Remote)

APPLY is seeking a Senior Data Engineer to design, build, and maintain scalable data pipelines and architectures for analytical and operational workloads. You will work with Snowflake, BigQuery, and Python to enable reliable data delivery across teams in North America. Join a hybrid/remote friendly env ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

Senior AI Engineer: Agentic Systems, Reliable Orchestration

Chubb, a leading insurer, is hiring a Senior AI Engineer to own architecting agentic systems that put AI in front of business users in Canada. You will design end-to-end agent loops, optimize performance, and ensure reliability across core workflows in underwriting and claims. You will work across syst ...

Senior Energy Optimization & Controls Architect

Schneider Electric is seeking a Senior Energy Optimization & Controls Specialist to design and implement forecasting, optimization, and control solutions for distributed energy resources. You will coordinate energy assets across device, site, and fleet scales, leveraging data-driven approaches and MPC techniq ...

Senior Data Scientist – GenAI/LLM Production, Flexible Hours

LexisNexis Legal & Professional, part of RELX, seeks a Senior Data Scientist II in Toronto to advance generative AI, RAG, and agentic AI systems in production. You will design, refactor, test, deploy, and support robust Python applications with strong observability and secure handling of credentials. T ...

Senior Data Scientist – GenAI/LLM Production, Flexible Hours

LexisNexis Legal & Professional, part of RELX, seeks a Senior Data Scientist II in Toronto to advance generative AI, RAG, and agentic AI systems in production. You will design, refactor, test, deploy, and support robust Python applications with strong observability and secure handling of credentials. T ...

Senior Data Scientist – GenAI/LLM Production, Flexible Hours

LexisNexis Legal & Professional, part of RELX, seeks a Senior Data Scientist II in Toronto to advance generative AI, RAG, and agentic AI systems in production. You will design, refactor, test, deploy, and support robust Python applications with strong observability and secure handling of credentials. T ...

Senior Data Scientist – GenAI/LLM Production, Flexible Hours

LexisNexis Legal & Professional, part of RELX, seeks a Senior Data Scientist II in Toronto to advance generative AI, RAG, and agentic AI systems in production. You will design, refactor, test, deploy, and support robust Python applications with strong observability and secure handling of credentials. T ...

Senior Data Engineer — Cloud Data Platform Builder (Remote)

APPLY is seeking a Senior Data Engineer to design, build, and maintain scalable data pipelines and architectures for analytical and operational workloads. You will work with Snowflake, BigQuery, and Python to enable reliable data delivery across teams in North America. Join a hybrid/remote friendly env ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

Senior Data Scientist – GenAI/LLM Production, Flexible Hours

LexisNexis Legal & Professional, part of RELX, seeks a Senior Data Scientist II in Toronto to advance generative AI, RAG, and agentic AI systems in production. You will design, refactor, test, deploy, and support robust Python applications with strong observability and secure handling of credentials. T ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

Lead Quantitative Market Risk & Modeling

Wealthsimple seeks a senior quantitative risk professional to own the development and maintenance of risk models, including VaR/SVaR and stress testing. You will document methodologies and ensure accurate outputs under CIRO guidelines while collaborating with margin and risk teams to inform decision making. < ...

Senior Credit Risk Modeling Consultant

EY in Toronto is seeking a Senior Consultant to lead and support credit risk model development and validation for banking clients. You will work across engagements on AIRB, IFRS 9, ICAAP, and regulatory risk programs, partnering with colleagues in a multi-disciplinary team to deliver high-quality advisory ser ...

Senior Databricks Solutions Architect on AWS (Remote)

A global technology firm is seeking a Senior Solution Architect with extensive experience in Databricks and AWS to design scalable data solutions. This fully remote role requires strong design and architecture skills, with responsibilities including managing data pipelines and cloud infrastructure. Candidates mu ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

Senior Databricks Solutions Architect on AWS (Remote)

A global technology firm is seeking a Senior Solution Architect with extensive experience in Databricks and AWS to design scalable data solutions. This fully remote role requires strong design and architecture skills, with responsibilities including managing data pipelines and cloud infrastructure. Candidates mu ...

Senior Backend Engineer, Trust Infra — Remote

Affirm is a remote-first company hiring a senior backend engineer for Canada. The role focuses on designing, developing, and delivering scalable backend systems using Python or Kotlin, with emphasis on security workloads and Kubernetes-based infrastructure. You will own quarterly team goals, collaborat ...

Senior Databricks Solutions Architect on AWS (Remote)

A global technology firm is seeking a Senior Solution Architect with extensive experience in Databricks and AWS to design scalable data solutions. This fully remote role requires strong design and architecture skills, with responsibilities including managing data pipelines and cloud infrastructure. Candidates mu ...

Senior Full Stack Software Engineer AI Platform

A leading technology company is seeking a Software Development Engineer III / Senior Software Development Engineer - Full Stack to join their AI organization in Canada. In this role, you will work on building user-facing and platform experiences for AI agents. The ideal candidate has extensive experience in soft ...

Senior Databricks Solutions Architect on AWS (Remote)

A global technology firm is seeking a Senior Solution Architect with extensive experience in Databricks and AWS to design scalable data solutions. This fully remote role requires strong design and architecture skills, with responsibilities including managing data pipelines and cloud infrastructure. Candidates mu ...

Senior Databricks Solutions Architect on AWS (Remote)

A global technology firm is seeking a Senior Solution Architect with extensive experience in Databricks and AWS to design scalable data solutions. This fully remote role requires strong design and architecture skills, with responsibilities including managing data pipelines and cloud infrastructure. Candidates mu ...

Senior Backend Engineer AI Data Infrastructure (Remote)

A Senior/Staff Software Engineer role is available for a rapidly growing tech company developing AI-powered voice agent infrastructure. The team is building a purpose-built database for conversational AI data and scalable infrastructure to support tens of thousands to hundreds of thousands of concurrent voice ...

Lead Quantitative Market Risk & Modeling

Wealthsimple seeks a senior quantitative risk professional to own the development and maintenance of risk models, including VaR/SVaR and stress testing. You will document methodologies and ensure accurate outputs under CIRO guidelines while collaborating with margin and risk teams to inform decision making. < ...

Senior Backend Engineer, Planning & Fulfillment Tech

HelloFresh Canada in Toronto is seeking a Senior Software Engineer with strong backend experience to build and evolve our production scheduling platform. You will own components of the Python-based planning engine and co-design scalable APIs with a modern stack including FastAPI, AWS, and containers. Y ...

Senior Backend Engineer AI Data Infrastructure (Remote)

A Senior/Staff Software Engineer role is available for a rapidly growing tech company developing AI-powered voice agent infrastructure. The team is building a purpose-built database for conversational AI data and scalable infrastructure to support tens of thousands to hundreds of thousands of concurrent voice ...

Senior Cloud Data Architect & AI Leader (Hybrid)

ICBC is seeking a Senior Data Architect to provide technical leadership for enterprise data and analytics solutions across Corporate & DL. You will help design data lakes, warehouses, and cloud-native ecosystems and set standards for governance, security, and quality. The role requires extensive experi ...

Senior Data Scientist — AI & Financial Model Validation

Desjardins is seeking a senior data scientist to lead model development and validation across business initiatives, driving advanced analytics and AI solutions. You will coordinate with stakeholders to ensure data readiness, apply robust statistical methods, and advise on governance and risk related to models ...

Senior Data Engineer — Cloud Data Platform Builder (Remote)

APPLY is seeking a Senior Data Engineer to design, build, and maintain scalable data pipelines and architectures for analytical and operational workloads. You will work with Snowflake, BigQuery, and Python to enable reliable data delivery across teams in North America. Join a hybrid/remote friendly env ...

Senior Full Stack Software Engineer AI Platform

A leading technology company is seeking a Software Development Engineer III / Senior Software Development Engineer - Full Stack to join their AI organization in Canada. In this role, you will work on building user-facing and platform experiences for AI agents. The ideal candidate has extensive experience in soft ...

Senior Linux Cloud Engineer Kubernetes & Open Source

Wind River seeks a senior software engineer in Ottawa to design and upgrade Linux-based systems and orchestrate multi-node deployments using Python and Go. You will work with Kubernetes operators, OpenStack and related platforms to ensure high availability and robust updates across distributed environments. < ...

Senior DataOps & Cloud Data Engineer Azure & Databricks

BITS Recruiting in Toronto seeks a Senior DataOps/Cloud Data Engineer to design, build, and optimize cloud-based data pipelines and lakehouse solutions. You will work hands-on with Azure Data Factory, Databricks, Informatica, Python, and SQL to enable data integration and governance for a large public-sector ...

Senior Backend Engineer, Reliability Platform (Remote)

Affirm is hiring a Senior Software Engineer (Backend, Reliability Platform) to design and build a next-generation reliability platform for production systems. You will blend distributed systems engineering with AI-assisted development to help teams understand, debug, and improve service health. This re ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

Senior Validation Engineer: Memory PHY Bring up & Analysis

Synopsys Inc in Ottawa is seeking a Senior Silicon Validation Engineer to lead bring-up and validation of next-gen memory interfaces. You will perform eye diagram analysis, run characterization across corners, and drive debug with lab instrumentation and data analytics. Collaboration with firmware and design tea ...

Senior Cloud Infrastructure Engineer II

Akamai is seeking a Senior Software Engineer II to join the Compute Lab team, collaborating with development and SRE to build mission‑critical lab infrastructure for the Akamai Connected Cloud. You will help scale infrastructure and tooling to accelerate testing and development. The role requires 5+ ye ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

Senior Cloud Data Architect & AI Leader (Hybrid)

ICBC is seeking a Senior Data Architect to provide technical leadership for enterprise data and analytics solutions across Corporate & DL. You will help design data lakes, warehouses, and cloud-native ecosystems and set standards for governance, security, and quality. The role requires extensive experi ...

Senior Backend Engineer AI Data Infrastructure (Remote)

A Senior/Staff Software Engineer role is available for a rapidly growing tech company developing AI-powered voice agent infrastructure. The team is building a purpose-built database for conversational AI data and scalable infrastructure to support tens of thousands to hundreds of thousands of concurrent voice ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

Staff Backend Engineer, Lakehouse Platform (Iceberg) Remote

Affirm is seeking a Senior Data Platform Engineer to own and advance the Lakehouse Platform, focusing on Iceberg, Spark, and Snowflake. You will drive architectural strategy, build scalable data infrastructure, and ensure secure, governed analytics access for engineering, analytics, ML, and business teams. </ ...

Senior AI/ML Scientist: Production Ready & Scalable

lululemon is seeking a Senior Applied AI/ML Scientist to lead the design, experimentation, validation, and deployment of complex AI/ML solutions for strategic business challenges in the Enterprise Data & AI team. You will work with product, engineering, and business stakeholders to ensure robust, scalable, and m ...

Hybrid Lead: Underwriting & Valuations Strategy Analyst

A leading financial services company in Toronto is seeking a Manager, Underwriting & Valuations Strategy Analyst Lead. This role involves leading analysis for underwriting strategies, guiding junior analysts, and collaborating with senior leadership. Ideal candidates should have at least 5 years of experience in ...

Senior Cloud Infrastructure Engineer II

Akamai is seeking a Senior Software Engineer II to join the Compute Lab team, collaborating with development and SRE to build mission‑critical lab infrastructure for the Akamai Connected Cloud. You will help scale infrastructure and tooling to accelerate testing and development. The role requires 5+ ye ...

Staff Backend Engineer, Lakehouse Platform (Iceberg) Remote

Affirm is seeking a Senior Data Platform Engineer to own and advance the Lakehouse Platform, focusing on Iceberg, Spark, and Snowflake. You will drive architectural strategy, build scalable data infrastructure, and ensure secure, governed analytics access for engineering, analytics, ML, and business teams. </ ...

Senior Data Engineer ETL & Data Platform Lead

A tech consulting firm in Toronto is seeking a Senior Data Engineer to design and implement robust ETL solutions. You will support existing applications while ensuring high-quality deliverables through expert technical leadership. The ideal candidate should possess significant experience in Python, shell scripti ...

Senior SRE — Remote | Equity & Flexible PTO

A leading cloud analytics company is seeking a Senior Site Reliability Engineer to enhance the reliability and performance of cloud services. This remote role requires a Bachelor’s degree and at least 8 years of experience in Site Reliability Engineering. Candidates must have strong skills in Go/Python, cloud pl ...

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