162,165+ Senior Fullstack Software Developer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Senior Infrastructure Developer

About Blue J Blue J is the leading generative AI solution for tax professionals. As a B2B SaaS company, our customers are accountants and tax experts who rely on our market‑leading software to deliver fast, accurate, and defensible answers to complex tax questions. We have raised $122 M USD Serie ...

Senior Backend Developer

Location: Toronto, Ontario Role Overview Our client is a rapidly growing enterprise sustainability platform that helps leading organizations automate measurement of their environmental impact and accelerate their transition to profitable climate action. With partnerships across major fina ...

Senior Mainframe Developer

We are seeking an experienced Senior Mainframe Developer to join a team supporting and enhancing a core mainframe cards and transactions platform. This is a critical enterprise system that connects clients to their banking products and services and supports 24/7 delivery channels such as Online Banking, PO ...

Adobe Senior Developer

What will your day look like? In the role as an Adobe Developer, you are responsible for understanding the technical structure of a project. Your job will be to identify client requirements by researching concept, strategy, and target for the project, followed by designing, developing, and impleme ...

Senior Firmware Developer

About Our Client: Our client is a technology company specializing in advanced manufacturing process control solutions aimed at enhancing quality, safety, and efficiency. Beyond their innovative devices, our client provides comprehensive industrial solutions, including design, engineering, ...

Senior React Developer

Senior React Developer Position Title: Senior React Developer Department: Software Technology Team Location: Toronto/Remote Type: Hybrid Experience Level: Mid-level to Senior (minimum 7 years of experience) Annual Salary: CA$85,000 to CA$115,000 annually ...

Senior Python Developer

We are seeking a hands‑on, self‑directed Senior Python Developer to support delivery within the Total Fund Management Portfolio Management Technology team. This role demands high autonomy, ownership of outcomes, and the ability to deliver working solutions with minimal oversight. RESPONSIBILITIES ...

Senior Elixir Developer

Senior Elixir Developer at Hiive - Canada/Remote Date: 30 Jan 2023 Workplace: Onsite / Remote Type: Full time Hiive is a fintech startup building a marketplace for private pre-IPO companies. We are growing quickly and looking to hire a seasoned Elixir developer to ...

Senior Platform Developer

The Klick Group —comprising Klick Health (including Klick Katalyst and btwelve), Klick Media Group, Klick Applied Sciences (including Klick Labs), Klick Consulting, and Klick Ventures is an ecosystem dedicated to realizing the full potential of our people and clients in life sciences. Founded in 199 ...

Senior Cloud Developer

Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. The Senior Cloud Developer will be joining the Global Fraud Authentication Technology team. The purpose of this position/role is to lead the design, development, and impl ...

Senior Mainframe Developer

Senior Mainframe Developer Seeking a Senior Mainframe Developer with deep expertise in IMS and strong experience in IBM Mainframe technologies. The role involves development, maintenance, enhancement, and production support of enterprise mainframe applications. Location ...

Senior Python Developer

Fulfil is hiring a Senior Python Engineer in Toronto to help build the core operating system for modern commerce brands. This is not traditional ERP maintenance. Fulfil powers fast-moving DTC brands across orders, inventory, fulfillment, shipping, payments, finance, and 200+ third-party systems. Yo ...

Senior Backend Developer

Analyticsmart is a boutique analytics firm specializing in the Consumer-Packaged Goods (CPG) industry across Canada and the United States. Our mission is to transform data into meaningful, measurable, and actionable insights that drive growth and profitability for businesses. By leveraging cutting- ...

Senior Frontend Developer

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversit ...

Senior Application Developer

OverviewRequisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. The position is for a Senior Application Developer within the Group Treasury-Liquidity Risk group. The incumbent is responsible for supporting multiple projects, partially ap ...

Senior Java Developer

Design, implement, and continuously expand data pipelines by performing extraction, transformation, and loading activities. Required to translate technical systems specifications into working, tested applications. This includes developing detailed programming specifications, writing and/or generating code, compi ...

Senior Dotnet Developer

Direct message the job poster from LanceSoft, Inc. Recruitment Manager (Hiring for North America (USA & Canada) and LATAM Regions (Costa Rica, Brazil, Colombia, Mexico))Work arrangement: (Hybrid) 3 days in office Possibility of extension & conversion to FTE? – Yes / possible Typical Day in Role: - Revi ...

Senior Pega Developer

ResponsibilitiesLead the technical design and implementation of changes to the Canadian Contact Center Platform.Architect and optimize CEC experience.Guide the development of enhancements to the platform across the various development areas including BAU, Intake and Special Projects ...

Senior Frontend Developer

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is re ...

Senior SAP Developer

Job descriptionYou will join a large and dynamic SAP Competence Center and play a key role in designing, developing and implementing solutions that support complex business requirements across global operations. Working closely with SAP Business Analysts, functional teams and technical stakeholders, yo ...

Senior Java Developer

Our purpose – Opening up a world of opportunity – explains why we exist. Here at HSBC, we use our unique expertise, capabilities, breadth and perspectives to open new kinds of opportunity for our more than 40 million customers. We’re bringing together the people, ideas, and capital that nurture progress and grow ...

Senior Java Developer

Our purpose – Opening up a world of opportunity – explains why we exist. Here at HSBC, we use our unique expertise, capabilities, breadth and perspectives to open new kinds of opportunity for our more than 40 million customers. We’re bringing together the people, ideas, and capital that nurture progress an ...

Senior Frontend Developer

About Us Air-tek is a Canadian-based software company redefining how airlines operate through intelligent automation and modern, scalable systems. Our suite of products has already captured a significant share of a massive global market - and we’re only in the early innings. While our cus ...

Senior .NET Developer

Join to apply for the Senior .NET Developer role at Embrace Software Inc Join to apply for the Senior .NET Developer role at Embrace Software Inc Embrace Software, headquartered in Tampa, USA, is one of the fastest-growing s ...

Senior SQL Developer

Pay at Intact is about much more than just salary. Flexible work arrangements and a hybrid work model Possibility to purchase up to 5 extra days off per year Multiple benefits offered to support physical and mental wellbeing, includi ...

Senior Frontend developer

What is the Opportunity? RBC's Investment Mega Journey (IMJ) application development team is responsible for developing, enhancing, and maintaining web applications and microservices to enable and empower RBC online banking clients to navigate, find answers, open and fund both registered and non‑registered inves ...

Senior .Net Developer

Location: Toronto – 5 days onsite (subject to HM’s discretion)Number of positions: 3Mandatory RequirementsOver 8+ years of overall experience in the entire Software Development Life Cycle as well as Microsoft .Net Framework Technologies. Having sound knowledge of developing web base ...

Quadient Senior Developer

Job Title: Quadient Senior Developer Location:Toronto, ON Work Arrangement: Hybrid (2 days WFO) Employment Type: Contract Duration: 06-12 Months Domain: BFSI Pay Rate: CAD 58-60/hour Incorporated Application Deadline: June 30th, 2026SKILLS REQUIRED Design and develop communication templates using Quadi ...

Senior IT Developer

Work Location:Toronto, Ontario, CanadaHours:37.5Line of Business:Technology SolutionsPay Details:TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation polic ...

Senior Salesforce Developer

Job Description Of course, the journey would not be possible without world class talent. We’re in search for Salesforce Developer to help us break new technology ground. You’ll be joining a diverse and inclusive agile lab delivering solutions on Salesforce’s Financial Services Cloud and Lightning platform. We’re ...

Senior Application Developer

About the RoleWe are looking for a versatile Senior Software Engineer to join our core team and help us build and maintain high‑quality software. The role reports to the Senior Manager and Squad Lead, DataXchange Squad. This hybrid position (2–3 days per week in the office) is based in Toronto, ON. Key ...

AI Developer Senior

About the roleWe’re looking for someone to join a dynamic and innovative team to build production‑grade AI systems that help boost velocity across Software Engineering, Infrastructure, Security, and IT Services teams. You’ll design agentic automations, leveraging access to data and tools, to drive prod ...

Senior Python Developer

We are seeking a hands‑on, self‑directed Senior Python Developer to support delivery within the Total Fund Management Portfolio Management Technology team. This role demands high autonomy, ownership of outcomes, and the ability to deliver working solutions with minimal oversight.RESPONSIBILITIES<b ...

Senior Java Developer

Senior Java Developer We are looking for a skilled and motivated Senior Java Developer to join our agile product team. In this role, you will collaborate closely with cross‑functional team members to design, develop, and deliver high‑quality software features across our product suite. Re ...

Senior Android Developer

Reporting to the Development Manager the Android Software Developer is responsible for implementing our new native mobile design system. You will collaborate with Designers, Product Managers, Developers, Technical Writing, and Quality Assurance throughout the development process to ensure the component library i ...

Senior .NET Developer

Job Title: Senior .NET Developer Job ID: Job Location: Toronto, ON (Hybrid – 2 days/week onsite)Job Travel Location(s):# Positions: 2Employment Type: W2Duration:Long Term# of Layers:0Work Eligibility:All Work Authorizations are Permitted – No ...

Senior iOS Developer

This range is provided by PRI Technology. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base Pay Range $120,000.00/yr - $130,000.00/yrDirect message the job poster from PRI TechnologyMy name is Bill Stevens, and I have a new ful ...

Senior Java Developer

Job Title: Senior Java Developer Job ID: Job Location: Toronto, ON (Hybrid – 2 days/week onsite)Job Travel Location(s):# Positions: 1Employment Type: W2Duration:Long Term# of Layers:0Work Eligibility:All Work Authorizations are Permitted – No ...

Senior Java Developer

We are seeking a highly skilled and proactive Java Developer with deep expertise in Java, Spring Framework, Kafka, Message Queuing, Dynatrace, and microservices architecture. This role requires a hands‑on developer who will spend approximately 60% of their time coding and actively contributing to the desig ...

Senior Programmer/Developer

Role Senior Programmer / Developer (four positions) Responsibilities Designing and developing Web Applications using the Microsoft .NET Framework, compiling data-driven programs, unit testing and coordinating quality assurance and user acceptance. The resource will also ...

Senior Data Developer

MaintainX is the world's leading Asset and Work Intelligence platform for industrial and frontline environments. We are a modern IoT‑enabled cloud‑based tool for reliability, safety, and operations on physical equipment and facilities. MaintainX powers operational excellence for 13,000 businesses including ...

Senior Android Developer

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity ...

Senior Backend Developer

Sangoma is excited to announce an opening for a Senior Backend Developer to join our talented team. As a recognized leader in business communications solutions, we strive to provide innovative and effective services that empower businesses to thrive. In this role, you will be responsible for designing and ...

Senior Frontend Developer

As a Senior Frontend Developer within EY’s AI Centre of Excellence (COE) in the Office of the Chief Technology Officer, you will play a pivotal role in designing and building high‑impact, user‑centric applications that power EY’s next generation of AI‑driven solutions. Your primary focus will be the develo ...

Senior Developer – Java

About the role As a Senior Developer – Java, you will make an impact by designing and delivering scalable, high-performance backend solutions that enable modern digital applications. You will be a valued member of the engineering team and collaborate closely with frontend developers, QA, DevOps, ...

Senior Java Developer

Senior Java Developer We are looking for a skilled and motivated Senior Java Developer to join our agile product team. In this role, you will collaborate closely with cross‑functional team members to design, develop, and deliver high‑quality software features across our product suite. Re ...

Senior Business Developer

Compensation Competitive base starting at $70,000 CAD gross/year, plus additional salary scaling based directly on industry experience and proven track record. Job Description We are seeking an experienced and results-driven Senior Business Developer to support the commercializa ...

Senior .NET Developer

Job Title: Senior .NET Developer Job ID: Job Location: Toronto, ON (Hybrid – 2 days/week onsite) Job Travel Location(s): # Positions: 2 Employment Type: W2 Duration:Long Term # of Layers:0 Work Eligibility:All Work Authorizations a ...

Senior KBD Developer

First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate the data-driven, digital revolution that is transforming the fi ...

Senior Frontend Developer

As a Senior Frontend Developer within EY’s AI Centre of Excellence (COE) in the Office of the Chief Technology Officer, you will play a pivotal role in designing and building high‑impact, user‑centric applications that power EY’s next generation of AI‑driven solutions. Your primary focus will be the develo ...

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