587,117+ Senior Fullstack Software Developer Pythonreact Jobs in Canada — Top Companies Hiring July 2026

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Senior Web Developer

About Myant:At Myant, our mission is to help peopleLive Younger, Longer by transforming healthcare from episodic, reactive care to proactive, preventive health management. Through our pioneering connected textiles and continuous monitoring technology, we bridge the gap between individuals, their famili ...

Senior Backend Developer

Atimi is seeking an experienced backend software developer to fill a position in Canada. Please note this is a fully remote position with EST working hours but we're open to candidates from all provinces. Atimi works with some of the leading companies in North America, providing them with high-quality software s ...

Senior Developer Onboarding

About The Role Hi, I'm Dmitri Grozenok, Senior Manager of Onboarding product development at Jane. I've been here about a year, leading a team of eight developers working on a mission that's genuinely different from typical product work. The Onboarding team sits at a critical moment in a c ...

Senior Backend Developer

Atimi is seeking an experienced backend software developer to fill a position in Canada. Please note this is a fully remote position with EST working hours but we're open to candidates from all provinces. Atimi works with some of the leading companies in North America, providing them with high-quality softwar ...

Senior Typescript Developer

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

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 Platform Developer

Job Description The Senior Platform Developer leads the development of responsive, accessible digital experiences across client websites and platform ecosystems. This role partners with developers, designers, QA, and cross-functional delivery teams to architect, build, and optimize CMS-driven web ...

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 financia ...

Senior Azure Developer

As global leader in digital transformation, Techso is a fast‑growing consulting firm offering advisory services across three areas of expertise: IT infrastructure management (IT), custom application development (DEV), and product lifecycle management (PLM). Founded in 2014, Techso has built a stron ...

Senior C# Developer

Who we are For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving ...

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 Shopify Developer

About Us: MageMontreal is a premier e-commerce consulting firm committed to crafting tailored solutions for our global clients. We’re looking for a Senior Shopify Consultant to join our growing team and help drive cutting-edge Shopify projects. If you thrive on innovation and have a strong b ...

Senior Web Developer

We are looking for a Senior Web Developer to assist with the development and maintenance of one of the platforms. This project utilizes Electron, leveraging shared React components that are used across the eco-system. Ideal candidate is highly motivated, has a passion for web development, and pays great attentio ...

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 Integration Developer

About AlayaCareAt AlayaCare , we’re a fast-growing SaaS company focused on transforming home healthcare. Our cloud-based platform empowers care providers around the world to deliver better outcomes for their clients. With 550+ employees across Canada, the US, Australia, and Brazil, we’re united by a sh ...

Senior React Developer

Experience Remote done Right. Over 20 years of remote experience, all 500+ staff are 100% remote and we still grow vibrant relationships, provide exceptional opportunities for career growth while working with stellar clients on ambitious projects What we're working on: Enterprise companie ...

Senior Application Developer

Introduction A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Re ...

Senior Embedded Developer

Headquartered in Montreal and Berlin, Vention helps manufacturers automate their operations in record time with the only hardware and software AI-powered platform built for the factory floor. Our technology powers over 25,000 machines across 4,000 factories across 5 continents and we have the privilege to ...

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 Appian Developer

Position Description The SickKids Research Institute (RI) is Canada's largest, hospital-based child health research institute, conducting and translating groundbreaking research, training the next generation of researchers, and supporting global scientific communities with knowledge and state-of- ...

Senior Salesforce 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 C++ Developer

Description We’re a team of hungry, high-character professionals from all backgrounds who came together to reinvent work for the modern enterprise. Island, the Enterprise Browser is the ideal enterprise workplace where work flows freely while remaining fundamentally secure. With the c ...

Senior ServiceNow Developer

25 192 Senior ServiceNow HR Developer Base Pay Range CA$80.00/hr - CA$95.00/hr Number of Vacancies : 2 Pay range : $80.00- $95.00 per hour/INC Level : MP5 Duration : 24 Months Hours of work : ...

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/yr Direct message the job poster from PRI Technology My name is Bill Stevens, and I h ...

Senior React Developer

Experience Remote done Right. Over 20 years of remote experience, all 500+ staff are 100% remote and we still grow vibrant relationships, provide exceptional opportunities for career growth while working with stellar clients on ambitious projects What we're working on: Enterprise companie ...

Senior Salesforce 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 Cloud Developer

Job Description: Company and Department Profile:We are a leading global financial services firm providing a wide range of investment banking, securities, investment management and wealth management services. Technology works as a strategic partner with Company business units and collabora ...

Senior C++ Developer

Job OverviewCiti’s Credit Risk division seeks a highly skilled and experienced Senior C++ Developer to join our team focused on credit model development. The successful candidate will play a critical role in designing, developing, and implementing robust and efficient C++ solutions for complex credit r ...

MuleSoft Senior Developer

Overview Join Our Dynamic Team as a MuleSoft Integration Specialist! Are you a sharp thinker with a knack for integration design? Step into this hybrid role where architecture meets action. Collaborate with our internal and customers' business and tech leaders to transform business re ...

Senior Java Developer

Position Description We are Canada’s largest independent information technology services firm, and after 45 years, we’re still growing! Join us as a “Senior Java Developer” in our banking team. Location – Downtown Toronto (Hybrid – 4 days office and 1 day remote) Required qualificat ...

Senior SQL Developer

About The Role We’re looking for a Senior SQL Developer to join our growing Database Marketing team. Reporting to the Database Marketing Manager, the Senior SQL Developer will help prepare and execute marketing campaigns. You will be responsible for SQL programming on Snowflake, data extraction, ...

Senior Firmware Developer

The successful candidate must be located already in the Greater Vancouver area of BC. Remote applications and candidates requiring relocation assistance or work sponsorship will NOT be accepted. Algo is a rapidly growing technology company specializing in the manufacturing a ...

Quadient Senior Developer

Design and develop communication templates using Quadient Inspire Designer. Work with Interactive and Scalar components to deliver dynamic and scalable communication solutions. Optimize and maintain existing Quadient templates and workflows. Ensure compliance with branding, regulatory, and accessibility standard ...

Senior Frontend Developer

Overview Our client seeks aSenior Front End Developerfor aFull Timeproject inToronto, ON.Below is the detailed requirementTitle Title: Senior Front End DeveloperLocation Location: Toronto, ONDuration Duration: Full Time<br/ ...

Senior AI Developer

Travel Required: Maximum up to 5% travel across North America C-Systems Software Inc. is a North American dealership business management software provider specializing in solutions for outdoor power equipment, agricultural and powersports dealers. The company offers an integrated sy ...

Senior Firmware Developer

About The Company At Corinex, we are driving the future of energy with cutting‑edge Broadband over Power Line (BPL) technology. As a global leader in smart grid solutions, we enable utilities to enhance grid visibility, flexibility, and decarbonization, supporting the seamless integration of rene ...

Senior Data Developer

Senior Data Developer Our Technology team is the backbone of our company: constantly creating, testing, learning and iterating to better meet the needs of our customers. If you thrive in a fast-paced, ideas‑led environment, you’re in the right place. Why This Job’s a Big Deal Pr ...

Senior Salesforce Developer

This job posting is for an existing, active vacancy and we are looking to hire a Sr. Salesforce Developer. Summary We are looking for a Sr. Salesforce Developer who will be responsible for ideation support, design, development, and implementation of software to ensure continuous improveme ...

Senior Java Developer

About the role solutions. Responsibilities Design, develop, and maintain enterprise-level Java applications using Java, Spring Framework, and Hibernate. Collaborate with cross-functional teams to analyze and define technical requirements for web-based application ...

Senior Developer .Net

Position Description This role is hybrid and requires you to be in our downtown Toronto / Client office. CGI is a global business and technology service provider with $11.5B in revenues. CGI is on a mission to help financial services organizations focus on servicing their clients. CGI sup ...

Senior Java Developer

Position Description: This is a hybrid role and requires to be at our client’s office in Bedford, Nova Scotia for 4 days a week.This is an exciting time for CGI, and we want you to be part of it. We are Canada’s largest independent information technology services firm, and we are still growi ...

Senior Android Developer

Are you ready to be part of a leading global engineering design house specializing in the design and development of embedded software/hardware, electronics, and electro-mechanics? What we’re looking for • Highly motivated and dynamic professionals • Motivated designers with broa ...

Senior DevOps Developer

A career as a Senior DevOps Developer in the Cloud Platforms and Services Management team at National Bank means acting as a DevOps expert at the heart of digital transformation. This role allows you to make a positive impact on our organization thanks to your development expertise, advanced experience wit ...

Senior Salesforce Developer

Location Address: Hybrid - Toronto – 3 days/week in office Contract Duration: 1 year with extension Business group: Commercial Banking Engineering oversees changes/implementations to commercial client programs. Typical Day in Role Works with key stakeholders within a ...

Senior .Net Developer

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

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 Salesforce 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 Mobile Developer

At Poka, we’re transforming how frontline teams operate, learn, and solve problems. Our connected worker platform is purpose-built for manufacturing, empowering frontline workers to share knowledge, collaborate in real-time, and drive continuous improvement. Think of it as the missing di ...

Senior Application Developer

Senior Application Developer Full-Time Responsibilities Identify functional and technical solutions to meet requirements. Ensure the development of detailed functional, technical and operational specifications for delivery of recommended solutions. Tran ...

Senior Mulesoft Developer

Senior MuleSoft Developer About the role We’re looking for a Senior MuleSoft Developer to help design, build, and scale enterprise integrations that connect critical business systems across the company. This is a senior individual contributor role for someone who can lead solution desig ...

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