695,786+ Lead Applications Developer Python Jobs in Canada — Top Companies Hiring June 2026

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Lead Guidewire Integration Developer

Advance your career as a Lead Guidewire Integration Developer in a hybrid work setting. Deliver robust integration solutions in the Property & Casualty insurance sector.In this senior role, you’ll be responsible for designing, developing, and maintaining efficient integrations between Guidewire applications ...

Sr. AWS Developer / Lead

Position Description: This role is hybrid and requires you to be at our downtown Toronto (250 Yonge St, Toronto) and/or Client office at a minimum 2 days per week – subject to change at any time. Your future duties and responsibilities: Seeking an energetic and experienced AWS D ...

Lead Full Stack Developer

Overview Saatchi & Saatchi is seeking a Lead Developer for an innovative AI platform initiative. You have 8+ years building production software systems and at least a few years leading or anchoring a team technically. You are a hands‑on builder and you hold the architectural picture of a ...

Senior PowerBuilder Developer / Lead

Position Description The Senior PowerBuilder Developer / Lead will be responsible for supporting, maintaining, and enhancing PowerBuilder applications while also providing leadership to the support team. This is a hands‑on role that combines development and support work with team leadership respo ...

Big Data Developer / Lead

Position Description: We are Canada’s largest independent information technology services firm, and after 45 years, we’re still growing! Join Canada’s largest IT Company as a Lead Big Data Developer in our Banking Services Division. Location – Downtown Toronto (Hybrid – 4 days office and ...

Lead Full Stack Developer

Company Description Saatchi & Saatchi is an advertising agency with the belief that creativity, data, media and technology should all work together, and we use that to influence human behavior and drive success for clients. S&S is one of the world's largest agency networks with 114 offices and mo ...

Lead Salesforce Solutions Developer

Join Randstad Canada as a Senior Salesforce Solutions Developer to lead technical enhancements in CRM and Enterprise Work Management Systems. This strategic role focuses on optimizing service and data analytics.As a Senior Salesforce Solutions Developer, you will spearhead initiatives that improve service tr ...

Technical Lead Developer Skywise

Overview Location: Mirabel (QC) | Company: AAA Canada (on mandate for a major aerospace company) Benefits and perks include sick days to support well‑being, a comprehensive group insurance program, career progression opportunities and professional growth, a stimulating work environment with ...

Team Lead Developer EN

Opportunity We are looking for a Talented Team Lead Back‑End Developer to work in the Funding, Treasury, and Liquidity (FTL) application development team. The role is responsible for delivering functional enhancements and platform maintenance both as a developer and as a lead for a development po ...

Lead Quantitative Developer Position

Elevate your career as a Lead Quantitative Developer focusing on financial systems for trading teams in a hybrid work environment. Make an impact with your advanced Python skills.Ideal for seasoned professionals with a minimum of seven years in quantitative development, this position requires deep capital ma ...

Skywise Technical Lead Developer

Job Description You have front-end and back-end development experience, you have worked in teams on varied projects and you want to grow and develop new skills? This position is for you! The A220 commercial aircraft program is looking for a Skywise developer to join our Quality - Performanc ...

Lead Backend Developer, Dialogue

Accelerate healthcare innovation as a Lead Backend Developer at Dialogue, Canada’s foremost virtual care provider. Collaborate in a hybrid environment to create pioneering backend solutions.As a Lead Backend Developer, you will significantly impact the development of Dialogue’s Integrated Health Platform. Yo ...

Lead Java AI Developer

The Quattro Development and XVA Technology teams actively develop and enhance a set of co‑operative, strategic systems and services that have a direct bearing on how Citi Capital Markets manages risk arising from trading, including both market and counterparty credit risks. We support traders, salespeople, ...

Lead Software Developer (AOSP)

Join Syntronic: Where Your Innovation Shapes the Future At Syntronic, we don't just follow industry trends—we set them! Join us in partnering with visionary companies and the brightest minds to turn ground‑breaking ideas into reality. Imagine working on cutting‑edge telecom advancements, pioneeri ...

Lead Java AI Developer

## Lead Java AI DeveloperApplyremote type: Hybridlocations: 48 YONGE ST - WEWORK TORONTO: 5900 HURONTARIO STREET MISSISSAUGAtime type: Full timeposted on: Posted 16 Days Agojob requisition id: The Quattro Development and XVA Technology teams actively develop and enhance a set of co-operative, strate ...

Lead Java Risk Developer

The Quattro Development and XVA Technology teams actively develop and enhance a set of co‑operative, strategic systems and services which have a direct bearing on how Citi Capital Markets manages risk arising from trading, including both market and counterparty credit risks. We support traders, salespeople ...

Senior Lead Java Developer

For additional information, please review .* Collaborate with multiple teams to integrate functions effectively, ensuring goals are met while identifying and defining system enhancements for new product deployments and process improvements.* Address complex, high-impact issues by thoroughly evaluating business p ...

Lead Software Developer (AOSP)

Join Syntronic: Where Your Innovation Shapes the Future At Syntronic, we don't just follow industry trends—we set them! Join us in partnering with visionary companies and the brightest minds to turn ground-breaking ideas into reality. Imagine working on cutting-edge telecom advancements, pioneeri ...

Lead Data Engineering Developer

Company: CGL Department: IT Employment Type: Regular Full-Time Work Model: Hybrid Language: This role operates in English. Additional Information: This/these role(s) is/are currently vacant The Opportunity We are a leading Canadian financial service ...

Lead Software Developer (Remote)

Geotab ® is a global leader in IoT and connected transportation and certified “Great Place to Work™.” We are a company of diverse and talented individuals who work together to help businesses grow and succeed, and increase the safety and sustainability of our communities. Geotab is advancing securi ...

Lead Full Stack Developer

Saatchi & Saatchi is an advertising agency with the belief that creativity, data, media and technology should all work together, and we use that to influence human behavior and drive success for clients. S&S is one of the world's largest agency networks with 114 offices and more than 6000 employees ...

Lead Full Stack Developer

What is the opportunity? We are seeking a Lead Full Stack Developer who is passionate about data, understands financial concepts, and can translate complex business requirements into high‑quality software. This role supports critical applications, data pipelines, and integrations that pow ...

Lead Quantitative Developer Position

Elevate your career as a Lead Quantitative Developer focusing on financial systems for trading teams in a hybrid work environment. Make an impact with your advanced Python skills.Ideal for seasoned professionals with a minimum of seven years in quantitative development, this position requires deep capital ma ...

Lead Quantitative Developer Position

Elevate your career as a Lead Quantitative Developer focusing on financial systems for trading teams in a hybrid work environment. Make an impact with your advanced Python skills.Ideal for seasoned professionals with a minimum of seven years in quantitative development, this position requires deep capital ma ...

Lead Mainframe Developer Position

Elevate your career with a Lead Mainframe Developer role, focusing on COBOL and DB2 application development. Work in a dynamic environment that supports file transfer integrations at top-level standards.This position, requiring over 8 years of experience, involves designing, developing, and maintaining robus ...

Lead Quantitative Developer Position

Elevate your career as a Lead Quantitative Developer focusing on financial systems for trading teams in a hybrid work environment. Make an impact with your advanced Python skills.Ideal for seasoned professionals with a minimum of seven years in quantitative development, this position requires deep capital ma ...

Software Developer Team Lead

Software Developer – Team Lead IXL Learning, developer of personalized learning products used by millions of people worldwide, is seeking a Software Developer Team Lead with a passion for technology and education. As part of the Integrations team, you will lead engineering efforts to design and develop tools and ...

Senior Developer (Team Lead)

About Univerus Founded in 2019 and headquartered in Burnaby, British Columbia, Univerus is a fast‑growing enterprise software company specializing in vertical market solutions. With over 300 employees, more than 20 acquisitions, and a global customer base exceeding 3,500 organizations, Univerus delivers mission‑ ...

React Developer Tech Lead

What we’re working on: Enterprise companies turn to us to help them launch innovative digital products that interact with hundreds of millions of customers, transactions and data points. The problems we solve every day are real and require creativity, grit and determination. We are building a culture that challe ...

Front End Lead Developer

Role: Front End Lead DeveloperLocation: Downtown Toronto, CanadaType: OnsiteWe are seeking an experienced Front‑End Lead to join our dynamic team. The ideal candidate will possess expertise in developing scalable, high-performance front‑end applications and leading cross‑functional ...

Lead Software Engineer Developer

We are currently requesting resumes for the following position : Lead Software Engineer Developer Resume Due Date : Tuesday May 20, 2025 Job ID:25-062 Number of Vacancies : 1 Level : MP5 Duration : 12 Months Hours:35 Hours per week Location: 889 Brock Road, Pickering Work Mode:Hybri ...

Lead Software Developer (Remote)

Geotab ® is a global leader in IoT and connected transportation and certified “Great Place to Work™.” We are a company of diverse and talented individuals who work together to help businesses grow and succeed, and increase the safety and sustainability of our communities.Geotab is advancing security, c ...

Senior Lead Software Developer

Telus Health is empowering every person to live their healthiest life. Guided by our vision, we are leveraging the power of our leading edge technology and focusing on the uniqueness of each individual to create the future of health. As a global‑leading health and well‑being provider – encompassing physical, men ...

Lead Developer Design Systems

Job Title:Lead Developer Design Systems Job ID:85922 Location:Toronto, Ontario – HybridOverview Our client is a global leader in fund services, corporate governance and related asset services with staff across 80 offices worldwide. World-class software solutions and innova ...

Sr/ Lead .Net Developer

Get AI-powered advice on this job and more exclusive features. This range is provided by TEEMA. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay rangeCA$130.00/yr - CA$130.00/yr Direct message the job poster from TEEMA Enabling companies to ...

Lead Java AI Developer

The Quattro Development and XVA Technology teams actively develop and enhance a set of co‑operative, strategic systems and services that have a direct bearing on how Citi Capital Markets manages risk arising from trading, including both market and counterparty credit risks. We support traders, salespeople, risk ...

Lead Backend Developer, Dialogue

Accelerate healthcare innovation as a Lead Backend Developer at Dialogue, Canada’s foremost virtual care provider. Collaborate in a hybrid environment to create pioneering backend solutions.As a Lead Backend Developer, you will significantly impact the development of Dialogue’s Integrated Health Platfo ...

Lead Full Stack Developer

Company Description Saatchi & Saatchi is an advertising agency with the belief that creativity, data, media and technology should all work together, and we use that to influence human behavior and drive success for clients. S&S is one of the world's largest agency networks with 114 offices and mo ...

Lead Full Stack Developer

Company Description Saatchi & Saatchi is an advertising agency with the belief that creativity, data, media and technology should all work together, and we use that to influence human behavior and drive success for clients. S&S is one of the world's largest agency networks with 114 offices and more than 6000 emp ...

Software Developer/Technical Lead

Cosm Medical is a Toronto-based medical device company. Our goal is to transform the way pelvic floor disorders are treated thanks to 3D printing, AI and cloud software, and Personalize Pelvic Health. Pelvic floor disorders, including pelvic organ prolapse, urinary and fecal incontinence, drastically decrease qu ...

Senior Lead Java Developer

We are seeking for a Sr Technology Lead Analyst to join our team; this is a senior role responsible for overseeing the design and implementation of new or enhanced application systems in collaboration with the Technology team. The focus of this position is on leading the analysis, programming, and development ...

Lead Java Risk Developer

The Quattro Development and XVA Technology teams actively develop and enhance a set of co‑operative, strategic systems and services which have a direct bearing on how Citi Capital Markets manages risk arising from trading, including both market and counterparty credit risks. We support traders, salespeople, risk ...

Lead Developer (Full Stack)

Panorama is rethinking how boards of directors operate. We've moved beyond the outdated reputation of governance software to build a modern, elegant SaaS platform that helps leaders run better meetings, make stronger decisions, and save significant time through automation. Following strong momentum ...

Lead Java AI Developer

## Lead Java AI DeveloperApplyremote type:Hybridlocations:48 YONGE ST - WEWORK TORONTO:5900 HURONTARIO STREET MISSISSAUGAtime type:Full timeposted on:Posted 16 Days Agojob requisition id: The Quattro Development and XVA Technology teams actively develop ...

Senior PowerBuilder Developer / Lead

Position Description The Senior PowerBuilder Developer / Lead will be responsible for supporting, maintaining, and enhancing PowerBuilder applications while also providing leadership to the support team. This is a hands‑on role that combines development and support work with team leadership responsibilities.<br/ ...

Sr. AWS Developer / Lead

Position Description: This role is hybrid and requires you to be at our downtown Toronto (250 Yonge St, Toronto) and/or Client office at a minimum 2 days per week – subject to change at any time.Your future duties and responsibilities: Seeking an energetic and experienced AWS Developer to proactively p ...

Big Data Developer / Lead

Position Description:We are Canada’s largest independent information technology services firm, and after 45 years, we’re still growing! Join Canada’s largest IT Company as a Lead Big Data Developer in our Banking Services Division. Location – Downtown Toronto (Hybrid – 4 days office and 1 day remote) ...

Lead Full Stack Developer

Lead Full Stack Developer - Specialist I, Software Engineering Join UST as a Lead Full Stack Developer and help shape modern, cloud native platforms used by millions while mentoring engineers and influencing technical direction.ResponsibilitiesLead design and development of scalable, maintain ...

Lead Data Engineering Developer

Company: CGLDepartment: ITEmployment Type: Regular Full-TimeWork Model: HybridLanguage: This role operates in English.Additional Information: This/these role(s) is/are currently vacantThe Opportunity We are a leading Canadian financial services co-opera ...

React Developer Tech Lead

What we’re working on: Enterprise companies turn to us to help them launch innovative digital products that interact with hundreds of millions of customers, transactions and data points. The problems we solve every day are real and require creativity, grit and determination. We are building a cul ...

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