618,229+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Chief Engineer

DOF is a leading provider of vessel and subsea services in all the major oil and gas production regions around the world. With world class ROVs (Remote Operated Vehicles), Survey systems, and a fleet of offshore construction vessels, the group combines expertise and technology to deliver integrated subsea ...

API Engineer

Location: Remote (Canada, United Kingdom, or Europe) Sponsorship: Not available. We cannot support visas, work permits, or extensions in any country (including PGWP, Graduate Route, or similar programs). Salary: Senior to Staff level; Varies by region — see details b ...

Solutions Engineer

Overview Trend Micro, a global cybersecurity leader, helps make the world safe for exchanging digital information across enterprises, governments, and consumers. Fueled by decades of security expertise, global threat research, and continuous innovation, Trend harnesses AI to protect organizations ...

Founding Engineer

The Role We're looking for a Founding Engineer to help build our core product from the ground up. You'll work directly with leadership to ship features that enterprise commerce brands rely on daily. This is a high-ownership role where your technical decisions will shape our architecture fo ...

ML Engineer

Research Experts for Frontier AI/ML Open Questions ($80-$90/hr) Exceptional PhD students and PostDocs with a clear point of view on what problems truly matter in their field and the depth to define how those problems could be tackled. Role Responsibilities Identify high-im ...

Firmware Engineer

Location Canada Employment Type Full time Location Type Remote Department Engineering Compensation CA$99K – CA$121K • Offers Equity • Offers Bonus Lime is the largest global shared micromobility business, operat ...

Solution Engineer

Overview Solution Engineer Flare is a breakout cybersecurity Software-as-a-Service (SaaS) company with a mission to empower organizations to take control of their data and protect their customers, employees and brand by shedding light on external threats. We enable cybersecurity teams to pr ...

Security Engineer

Overview We’re building a new healthcare clearinghouse. In the healthcare sector, the Health Insurance Portability and Accountability Act of 1996 (HIPAA) requires that all insurance payers exchange transactions such as claims, eligibility checks, prior authorizations, and remittances using a stan ...

Data Engineer

b) Technical Expertise Proven experience converting SAS EG code to PySpark, SQL, and/or R Familiarity with SAS macros , data steps, and PROC SQL Experience with Databricks notebooks, Delta Lake, and Spark SQL Ability to optimize PySpark code for performa ...

Data Engineer

Fynite is looking for a Data Engineer to design and scale data pipelines that power enterprise AI systems and high-performance analytics workloads. This role combines data pipeline engineering, cloud data platforms, and advanced SQL optimization to ensure reliability, scalability, a ...

Data Engineer

Get AI-powered advice on this job and more exclusive features. About US: We are a company that provides innovative, transformative IT services and solutions. We are passionate about helping our clients achieve their goals and exceed their expectations. We strive to provide the best possible experience ...

Data Engineer

Get AI-powered advice on this job and more exclusive features. We are looking for a Senior Data Engineer who is passionate about working with large-scale data systems and driving end-to-end data solutions. In this role, you’ll design, develop, and optimize robust data pipelines and models to ...

Astrodynamics Engineer

About Us Perceptive Space is on a mission to make humanity resilient to space weather. Our space weather prediction systems leverage the latest advances in space physics and ML/AI to provide accurate and timely actionable insights about the space environment to support today's scale, automation, ...

Regional Engineer

Overview At Prinsco, Regional Engineers help win projects by building trust with engineers, agencies, and partners. In this role, you’ll use your technical background and people skills to get Prinsco products specified, approved, and used on stormwater projects. This is a great fit for an e ...

Sales Engineer

About us: Behind every innovative new medical device, new healthcare policy, and research into new treatments, there’s a literature review. At DistillerSR Inc., we’re changing the way that scientific research is conducted. Founded in 2008, DistillerSR is the world’s leading AI-enabled wor ...

System Engineer

Our engineers are the technical visionaries behind our innovative solutions. Globally recognized for delivering cutting-edge systems, you’ll tackle complex challenges, collaborate across functions, and lead advancements that shape our industry. Supported by a culture of flexibility, growth, and innovation, join ...

Mine Engineer

**Mission for this Position** About Us At Baffinland, we work and live beyond the Arctic Circle, mining iron ore at our Mary River Property, located in the Qikiqtani Region of Nunavut on Baffin Island; one of the world’s most captivating and seldom seen destinations. We are a unique company wit ...

Reliability Engineer

**Mission for this Position** Reporting to the Continuous Improvement Superintendent, the Reliability Engineer will be responsible for the developing and implementation of proactive reliability solutions as well as tracking equipment failures and developing solutions that will minimize unscheduled equip ...

Project Engineer

Job description We are seeking a Project Engineer to support the design and execution of industrial and municipal water and wastewater treatment projects. This role will focus on mechanical engineering activities, equipment specificati ...

Implementations Engineer

About PortlessPortless is a global logistics powerhouse redefining the Direct Supply Chain. By leveraging a sophisticated multi-warehouse network, we empower brands to scale globally without the traditional friction of international fulfillment. We replace logistics headaches with a white-glove onboa ...

Process Engineer

Canada - Remote Process EngineerFull-Time, PermanentCanada (Hybrid)Graymont is seeking a Process Engineer to play a key role in supporting our lime and limestone and manufacturing operations. This position will focus on process optimization, safety and innovation w ...

BlockChain Engineer

The Role:As a Blockchain Engineer, you will be responsible for designing, implementing, and maintaining blockchain solutions. You will work closely with cross-functional teams to develop decentralized applications and smart contracts.Design and develop blockchain protocols and ...

Sales Engineer

Intuition Machines uses AI/ML to build enterprise security products. We apply our research to systems that serve hundreds of millions of people, with a team distributed around the world. You are probably familiar with our best-known product, the hCaptcha security suite. Our approach is simple: low overhead, s ...

Reliability Engineer

Prioritize candidates with medical device or regulated hardware experience, strong background in reliability engineering, HALT/HASS/ALT, and statistical modeling (Weibull, lognormal).Technical Evaluation – Assess expertise in DFMEA/PFMEA, fault tree analysis, accelerated life testing, DOE, and use of d ...

Optimization Engineer

Optimization Engineer NSB Omega is searching for an Optimization Engineer for our MAJOR Oil & Gas Client in Calgary, AB. Assignment DescriptionWe are seeking a highly analytical and results-driven Optimization Engineer to support operational excellence acro ...

Solutions Engineer

Position Summary: With team members and customers in 39 countries around the globe, HostPapa is currently one of the fastest-growing web hosting companies with a wide range of products available. At its core, we provide individuals and small and medium-sized businesses with access to valuable tools a ...

Cloud Engineer

**We Create Products and Brands That People Trust to Clean, Sanitize, and Protect Their Homes and Pools** When you join KIK Consumer Products, you’re joining a team that cares about the work we do and also about each other. We bring exceptional brands and products to consumers that help them protect the ...

Engineer I

**Additional Information** Overnight availability preferred**Job Number** 26058684**Job Category** Engineering & Facilities**Location** 325 Bay Street, Toronto, ONT, Canada, M5H 4G3VIEW ON MAP ( ...

Chief Engineer

**Additional Information** Open availability Preferred**Job Number** 26056048**Job Category** Engineering & Facilities**Location** 475 Yonge Street, Toronto, ONT, Canada, M4Y 1X7VIEW ON MAP ( ...

Senior Cost Engineer Mining Sector

Join a pivotal role as a Senior Cost Engineer in the mining industry, focusing on project controls and financial performance. This 12-month contract invites you to shape budgets and forecasts within a substantial capital project environment.As an experienced cost engineer, you'll support various project team ...

Cognizant SDET Automation Engineer Role

Launch your career as a SDET Automation Test Engineer at Cognizant, leveraging your Java and automation expertise to transform testing for banking clients. This hybrid position provides the flexibility needed for a balanced work life.Cognizant is looking for a highly skilled professional to join our te ...

Senior Cost Engineer Mining Sector

Join a pivotal role as a Senior Cost Engineer in the mining industry, focusing on project controls and financial performance. This 12-month contract invites you to shape budgets and forecasts within a substantial capital project environment.As an experienced cost engineer, you'll support various project team ...

Infosys Gen AI Application Engineer

Elevate your career as a Gen AI Application Engineer at Infosys in Mississauga, ON, focusing on building advanced AI solutions with Agentic AI frameworks. This role commands technical expertise and creativity.We are seeking an innovative engineer with a background in software engineering or machine learning ...

Full Stack Engineer for Apple Productivity Apps

Shape the future of productivity at Apple as a Full Stack Software Engineer in the Productivity Apps Services team. You'll design and maintain scalable services powered by AI technologies, enhancing applications like Keynote, Pages, and Numbers.As a Full Stack Software Engineer, your role will span bot ...

Senior Cost Engineer Mining Sector

Join a pivotal role as a Senior Cost Engineer in the mining industry, focusing on project controls and financial performance. This 12-month contract invites you to shape budgets and forecasts within a substantial capital project environment.As an experienced cost engineer, you'll support various project team ...

Engineer in Training for Structural Projects

Take the next step in your engineering career with CIMA+ as an Engineer-in-Training focused on Structural Projects in Saint John. This full-time role is an opportunity to work on diverse building designs.CIMA+ is looking for a motivated individual to fill the Engineer-in-Training or Member-in-Training positi ...

Full Stack Engineer for Apple Productivity Apps

Shape the future of productivity at Apple as a Full Stack Software Engineer in the Productivity Apps Services team. You'll design and maintain scalable services powered by AI technologies, enhancing applications like Keynote, Pages, and Numbers.As a Full Stack Software Engineer, your role will span both back ...

Site Reliability Engineering At A Europe Toronto

Overview Drive system reliability and performance as a Senior Site Reliability Engineer with Auth0 in Europe. Your work will focus on ensuring robust, scalable production systems ready for growth. As a Senior Site Reliability Engineer, you will design and develop cutting-edge software solutions us ...

Ingénieur(e) électrique Lead Équipements auxiliaires électriques de centrale Hydroélectrique (EBoP) / Lead electrical engineer Electrical auxiliary equipment of Hydroelectric power plant (EBoP)

**Job Description Summary**Job Description SummaryActivités contribuant à la conception et à l'approvisionnement des systèmes BOP électriques. Inclut les activités liées à la conception préliminaire, de base et détaillée de divers ensembles EBOP pour centrales hydroélectriques. Pilotage des activités de ...

Ingénieur senior systèmes – Aérospatial/Senior System Engineer Aerospace (DBQ)

Aviya Aerospace Systems est un chef de file des services et des solutions d’ingénierie pour applications essentielles destinées à l’aérospatiale et à la défense. Aviya fournit des compétences spécialisées en gestion de programmes, en ingénierie des systèmes, du matériel et du logiciel, et en génie mécanique à de ...

Performance Test Automation Engineer

Our prestigious Vaughan-based client is a premier brand in medical diagnostics and a global leader in developing best-in-class technologies that address complex scientific challenges to improve our world. They have engaged ROSS to recruit a Test Automation Developer with a focus on Performance Automation Testing ...

Project Associate, Facilities Engineering

Facilities Engineering – St. Joseph's Hospital, London, ON – Temporary Full Time. Salary Range: $32.45–$38.19 per hour. The assignment is temporary with anticipated extension to February 26, 2027, subject to availability of work. Reporting to the Coordinator of the Facilities Planning and Development team, you w ...

Senior Workday Integration Engineer (Java Focus)

OverviewInsight Global is seeking an experienced Senior Software Engineer to join a high-performing team building modern, scalable software solutions for leading North American organizations. This is a fully remote role, open to candidates located anywhere in Canada. If you are a creative, self‑motivat ...

C++ Developer

Glint Tech Solutions is hiring a C++ Developer for Toronto, Canada!We are partnering with one of Canada's leading institutional investors to find a Senior C++ Engineer who will directly impact global trade activities and deliver long-term value to 20M+ contributors and beneficiaries. If you are passion ...

Java Developer, TD Securities

Job Location & CompensationToronto, Ontario, Canada • 37.5 hours • Base salary: $102,200 – $125,000 CAD About the RoleThe Market Risk Technology Engineering Team seeks a self‑starting, high‑performing Java software engineer to expand our derivatives and risk applications. You will design and ...

Senior Devops Engineer Contract Toronto

Overview Senior DevOps Engineer contract role at Payfare. You will join a diverse team delivering versatile and secure platform solutions that empower feature development teams to create high-quality services for customers. Responsibilities include monitoring and maintaining Payfare’s Kubernetes-b ...

Head of Engineering

Join to apply for theHead of Engineeringrole atEngineered Intelligence IncOur Business:Engineered Intelligence Inc. (EII) is a power infrastructure technology company with headquarters in Calgary and offices in Toronto. We built a cloud-based software product, EN ...

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