144,376+ Senior Developer Java Python Jobs in Toronto, Canada — Local Employers Hiring September 2026

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Senior Software Engineer Full Stack for Enterprise

Confluence is hiring a Senior Software Engineer to join a core engineering team building a multi-tenant enterprise platform used by institutional clients. You will work across a modern full stack environment (React, .NET, Python, SQL Server) in a monorepo, designing and building features while maintain ...

Senior ML Software Engineer: Build Scalable AI Pipelines

RBC Borealis AI Group is seeking an experienced Senior Machine Learning Software Engineer to own and deliver ML projects end-to-end. You will work with leading researchers and engineers, handling data preprocessing, model development, deployment, and monitoring in a production ML environment. Ideal can ...

Senior Data Engineer Wealth Tech (Hybrid, Toronto)

A financial technology firm in Toronto is seeking a Senior Data Engineer to join their Data & Analytics team. The role involves designing and maintaining scalable ETL/ELT data pipelines, collaborating with stakeholders, and ensuring data quality across systems. Ideal candidates will have over eight years of data ...

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. The role em ...

Senior Treasury Analytics & Data Strategy Manager

RBC is seeking a Senior Manager, Financial Analytics & Treasury Data in Toronto to partner with traders and analysts to deliver analytics and build data systems for strategic decision-making. You will support interest rate risk, hedging, and portfolio management for large liquid asset portfolios, translating bus ...

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. You will co ...

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 remote-first ...

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 Data Engineer: AWS Big Data & Real Time Pipelines

Astra-North Infoteck Inc. is seeking a Senior Data Engineer to design, build, and optimize scalable data pipelines on AWS. You will work on data platform modernization, cloud migrations, and real-time data processing in a fast-paced enterprise environment. We require 10+ years in Data Engineering, with ...

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 ...

Analytics Engineer: Data Infrastructure & Insights

RBCx Analytics in Toronto seeks an innovative Analytics Engineer to build and scale data infrastructure, models, and dashboards. You will collaborate with RBCx and RBC partners to translate strategic goals into scalable data solutions and ensure data quality and observability across pipelines. The role ...

Data Systems Engineer—IT & Analytics

A leading staffing and consulting firm is hiring a Senior IT Data Specialist to work with a top banking client in Toronto. This role involves designing and implementing data controls for AML transaction monitoring and customer risk systems. Candidates should have 8+ years in data engineering, strong experience w ...

Senior Actuary, Mortality & Lapse Analytics (R&D)

Swiss Re is seeking a Senior R&D Actuary to lead mortality and lapse assumption development for Canadian and US life insurance portfolios. You will translate experience data into actionable insights for pricing, product development, and portfolio optimization, collaborating across market units and risk teams. ...

Senior SRE: Automation, Observability & Batch Performance

A global technology services provider is seeking a Site Reliability Engineer in Toronto to enhance the reliability and efficiency of critical batch workloads. This mid-senior level contract role emphasizes automation, application development, and observability using Dynatrace. Candidates should possess expert sk ...

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 ML Software Engineer: Build Scalable AI Pipelines

RBC Borealis AI Group is seeking an experienced Senior Machine Learning Software Engineer to own and deliver ML projects end-to-end. You will work with leading researchers and engineers, handling data preprocessing, model development, deployment, and monitoring in a production ML environment. Ideal candidates ha ...

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 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 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 Release Engineer — AI Driven CI/CD for FinTech

Questrade Financial Group in Toronto is seeking a Senior Release Engineer to own, optimize, and modernize CI/CD pipelines across C++ Linux microservices, .NET Core, Node.js, Python, and more. You will eliminate build friction, accelerate feedback, embed AI SDLC tooling, and ensure safe automated releases for act ...

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 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 Scientist: ML, Forecasting & Insights

Tata Consultancy Services Canada Inc. is seeking a Senior Data Scientist to drive AI and analytics initiatives across our business partners in Toronto and nationwide. This hands-on role emphasizes end-to-end data science, from data exploration to model deployment, with strong collaboration across data ...

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 Engineer: Build Next Gen Lidar Platforms

A tech company specializing in Physical AI located in Toronto, Ontario is seeking a Senior Full Stack Engineer to join their team. This role involves designing and developing scalable web applications using Angular and backend technologies such as Python, Rust, or C++. Ideal candidates will have 3+ years of expe ...

Senior Data Engineer: Microsoft Fabric Pipelines (Hybrid Toronto)

A leading digital solutions provider in Toronto is seeking a Senior Data Engineer with expertise in SQL and Python. The role involves designing data pipelines, ensuring data quality, and utilizing Microsoft Fabric. The ideal candidate has over 7 years of experience in data engineering and is skilled in cloud-bas ...

Senior Full Stack Engineer: Build Next Gen Lidar Platforms

A tech company specializing in Physical AI located in Toronto, Ontario is seeking a Senior Full Stack Engineer to join their team. This role involves designing and developing scalable web applications using Angular and backend technologies such as Python, Rust, or C++. Ideal candidates will have 3+ years of expe ...

Analytics Engineer: Data Infrastructure & Insights

RBCx Analytics in Toronto seeks an innovative Analytics Engineer to build and scale data infrastructure, models, and dashboards. You will collaborate with RBCx and RBC partners to translate strategic goals into scalable data solutions and ensure data quality and observability across pipelines. The role ...

Senior Backend Engineer AWS, Kubernetes & IaC (Remote)

A technology company is seeking a Senior Backend Engineer who will be responsible for designing and implementing robust backend systems. You will work closely with DevOps and frontend teams to deliver scalable applications leveraging AWS cloud services and Kubernetes. The role requires a minimum of 5 years of ba ...

Senior SRE: Automation, Observability & Batch Performance

A global technology services provider is seeking a Site Reliability Engineer in Toronto to enhance the reliability and efficiency of critical batch workloads. This mid-senior level contract role emphasizes automation, application development, and observability using Dynatrace. Candidates should possess expert sk ...

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 Software Engineer I — AI Powered Full Stack

Thomson Reuters is seeking a Senior Software Engineer to join the CoCounsel Applications team in a hands-on role, building end-to-end features using React, TypeScript, and Python. You will contribute to AI-powered capabilities, define APIs, and ship high-impact, customer-facing experiences in a hybrid work model ...

Remote Embedded Bluetooth Firmware Engineer

A leading recruitment firm is seeking an Embedded Firmware Engineer to work remotely for a technology company. The ideal candidate will have strong skills in C and Python, experience in developing firmware for IoT devices, and proficiency in optimizing code for energy efficiency. Responsibilities include designi ...

Senior Technical Animator Hybrid Toronto

Activision Blizzard is seeking a Senior Technical Animator for a hybrid Toronto-based role. You will contribute to animation pipelines, build robust rigs in Maya, and implement scripted sequences within real-time engines. This position emphasizes collaboration with designers and multiple animation team ...

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 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 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 mod ...

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 Investment Data Governance & Quality Analyst

HOOPP in Toronto, a leading pension plan, seeks a Senior Business Data Analyst to ensure investment data is complete, accurate and available for daily business use. You will safeguard data integrity across investment systems through reconciliation, data quality checks, pricing and reference data maintenance. ...

Senior Investment Data Governance & Quality Analyst

HOOPP in Toronto, a leading pension plan, seeks a Senior Business Data Analyst to ensure investment data is complete, accurate and available for daily business use. You will safeguard data integrity across investment systems through reconciliation, data quality checks, pricing and reference data maintenance. You ...

Senior Investment Data Governance & Quality Analyst

HOOPP in Toronto, a leading pension plan, seeks a Senior Business Data Analyst to ensure investment data is complete, accurate and available for daily business use. You will safeguard data integrity across investment systems through reconciliation, data quality checks, pricing and reference data maintenance. ...

Senior Actuary, Mortality & Lapse Analytics (R&D)

Swiss Re is seeking a Senior R&D Actuary to lead mortality and lapse assumption development for Canadian and US life insurance portfolios. You will translate experience data into actionable insights for pricing, product development, and portfolio optimization, collaborating across market units and risk teams. ...

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 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 SRE: Automation, Observability & Batch Performance

A global technology services provider is seeking a Site Reliability Engineer in Toronto to enhance the reliability and efficiency of critical batch workloads. This mid-senior level contract role emphasizes automation, application development, and observability using Dynatrace. Candidates should possess expert sk ...

Senior Lead Security Engineer: Splunk & Cloud SIEM Lead

A leading technology firm in Toronto is seeking a Senior Lead Security Engineer to enhance its security operations center using Splunk and Cloud technologies. Candidates should possess deep expertise in Splunk and advanced SIEM architecting with proven experience in cloud security environments like Azure, AWS, a ...

Senior Treasury Analytics & Data Strategy Manager

RBC is seeking a Senior Manager, Financial Analytics & Treasury Data in Toronto to partner with traders and analysts to deliver analytics and build data systems for strategic decision-making. You will support interest rate risk, hedging, and portfolio management for large liquid asset portfolios, translating ...

Senior Internal Auditor

CoreFactor is searching for a Senior Internal Auditor on a full-time/permanent basis for a client in the GTA. This position is hybrid and will require the successful incumbent to go into the downtown Toronto office four (4) times per week. The Internal Auditor will perform operational, compliance and financial a ...

Machine Learning Engineer

Job Title: Machine Learning Engineer Be among the first 25 applicants two days ago and get AI-powered advice on this job along with exclusive features. Direct message the job poster from Avance Consulting. Minimum Qualifications: At least 6+ years of experience in Information Tec ...

Intermediate Data Analyst to support Capital Markets Data Architecture 99058

Request ID: -1Duration - 6 monthsRemote/Hybrid: Hybrid - Every Thursday and everything third FridayOffice Location: 81 Bay StreetWork Location (Tax): 81 Bay 19th FloorLine of Business: Capital MarketsWhat does the LOB do:Working on CMDA (Capital Markets Data Ar ...

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