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

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Senior Systems Developer Salesforce

Senior Systems Developer - Salesforce Join to apply for the Senior Systems Developer - Salesforce role at Co-operators 1 day ago Be among the first 25 applicants Company: CGL Department: Digital & Advisor Tech Employment Type: Regular Full Time Work Model: ...

3ID Senior Mobile Developer

3ID - Senior Mobile Developer Apply by emailing us at with any questions or joining us in our discord channel . About the role As a senior mobile developer on the Kubelt engineering team, you will play a critical role in designing and ...

Senior Full Stack Developer

Trevor Frances Recruitment is supporting a client in the search for a Senior Full Stack Developer. This role is suited for an experienced developer who brings strong technical expertise across both front‑end and back‑end development, along with the ability to design and deliver scalable, secure, and high‑p ...

Senior Full Stack Developer

Senior Full-Stack Engineer (Applied AI) 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. This role is eligibl ...

Senior Salesforce Solutions Developer

Transform business operations as a Senior Salesforce Solutions Developer in Toronto, focusing on designing high-performance applications across multiple Salesforce Clouds. Utilize advanced skills in Apex and Lightning for effective delivery.This senior-level position requires expertise in Salesforce de ...

Senior Developer, Risk Systems

Provides production and end-user support and governance for the risk technical platform and system environment that supports risk data & control structures (e.g. process controls, user access controls, data integrity controls) to enable risk processes and operations. Supports and oversees the planning, maintenan ...

Senior Backend Developer (Payments)

About the Role Hi, I'm Yan, Head of Engineering at Loop, and I'm hiring a Senior Backend Developer to architect and build our payment platform and financial ledger system. In this role, you'll build the systems that move money - the foundation everything else depends on.This role is an onsite position ...

Senior Data Platform Developer

At Seequent, we help organisations to understand the underground, giving the confidence to make better decisions faster.We build world-leading technology that is at the forefront of Earth sciences, transforming the way our customers work. Every day we help them develop critical mineral resources more s ...

Senior Unity Game Developer

the company is an award-winning company devoted to play. With three subscription services and over 10 million monthly active users, the company creates apps that seed imagination, grow wonder, and bring thoughtful design to life for preschoolers and parents worldwide. Proudly Canadian, the company is a subsidiar ...

Senior Java Developer Operate

Job DetailsJob Type:Temporary ContractWork Model:HybridReference code: Primary Location:Toronto, ONAll Available Locations:Toronto, ONSummary We are seeking Senior Java Developers to join our team on a 1 ...

Ingenium Migration Senior Developer

Step into a critical role at Mphasis as a Senior Developer specializing in Ingenium migration for life insurance projects. Leverage your extensive experience to drive data conversion success.Mphasis seeks a Senior Developer with 8-10 years of expertise in life insurance and a focus on Ingenium migratio ...

Senior Java Backend Developer

Iris's Fortune 100 direct client is looking for Senior Java Backend Developer.Key Responsibilities:Design and develop robust backend services using Java and Spring Boot frameworkImplement functional programming concepts (Streams, Lambdas, immutability) to build clean and efficient c ...

Accessibility Focused Senior Developer

Join ESC as a Senior Developer and drive accessibility transformations in public records. This role demands expertise in C#/.NET to create compliant and scalable applications.In this key role, you will spearhead a significant initiative at ESC to redesign front-end applications, ensuring they align wit ...

Senior iOS Developer / Lead

Location Toronto, ON (Hybrid – 2 days onsite) Experience 8–10 years of overall IT experience 6–8 years of dedicated iOS development experience Education Bachelor’s degree in Computer Science, IT, or a related field Top 3 Required Skills < ...

Senior Yardi Application Developer

Since the 1940s Citco has provided specialist financial services to alternative investment funds, investors, multinationals and private clients worldwide. With over 6,000 employees in 45 countries we pioneer innovative solutions that meet our clients’ evolving needs and deliver exceptional service. Our con ...

Senior Developer – Java & Angular

About the role As a Senior Developer – Java & Angular, you will make an impact by designing and delivering scalable, high-performance full-stack applications that power business‑critical solutions. You will be a valued member of the engineering team, collaborating with product owners, desig ...

RQ08751 Automation Developer Senior

About the job RQ08751 - Automation Developer - Senior Description of Responsibilities: Identifies opportunities for automation within software processes Designs and executes QA tests using scripts that automatically test functionality. Designs and writes test ...

Senior Salesforce Developer — Remote

A recruiting agency is seeking a Remote Salesforce Developer with at least 5 years of experience. The candidate will be responsible for utilizing Visualforce, Lightning components, and improving system performance through enhancements. Strong knowledge of Salesforce, APEX, SOQL, and communication skills are cruc ...

RQ08125 Automation Developer Senior

About the job RQ08125 - Automation Developer - Senior Description of Responsibilities: Identifies opportunities for automation within software processes Designs and executes QA tests using scripts that automatically test functionality. Designs and writes test ...

Senior Developer, Risk Systems

Provides production and end-user support and governance for the risk technical platform and system environment that supports risk data & control structures (e.g. process controls, user access controls, data integrity controls) to enable risk processes and operations. Supports and oversees the planning, mai ...

Senior Systems Developer Tester

Ministry of Public and Business Service Delivery and Procurement Health Services I&IT Cluster, Payment and Registration I&IT Solutions Branch Kingston, Toronto Job term: 1 Temporary assignment up to 12 months with possible extension Job code: 17156 - Systems Officer 3 $1,408.64 - $1,773.85 Per week* (Indicate ...

RQ08751 Automation Developer Senior

About the job RQ08751 - Automation Developer - Senior Description of Responsibilities: Identifies opportunities for automation within software processes Designs and executes QA tests using scripts that automatically test functionality. Designs and writes test ...

Senior .Net Developer (REMOTE)

Welcome to Yoush Consulting. Are you an independent IT Consultant or wish to become one? Are you looking to partner with an organization that presents you to consulting opportunities and supports you as a partner?Must have skillsGoogle Angular Framework(expert-level experience and i ...

Senior Java Developer Backend

OverviewSenior Core Java Developer This is with a large IT services firm for a major Canadian bank. Candidate must have legal work status for Canada. Client Location is downtown Toronto, close to GO and TTC. Hybrid - In-Office 3 days per week. Increase to 4 days in September 2025. Perm/FT role, salary ...

RQ08581 Report Developer Senior

About the job RQ08581 - Report Developer - Senior Responsibilities Provide specialized skills for developing data access queries and analyses. Works in conjunction with data analysts for developing dashboards and other end user solutions. Acts as a liaison between technical departments and business departments.< ...

RQ08295 Automation Developer Senior

About the job RQ08295 - Automation Developer - Senior Description of Responsibilities:Identifies opportunities for automation within software processesDesigns and executes QA tests using scripts that automatically test functionality.Designs and writes test automation scripts<br ...

Senior PHP Developer Architecture

About the job Senior PHP Developer - Architecture Software International (SI)supplies technical talent to a variety of clients ranging from Fortune 100/500/1000 companies to small and mid-sized organizations in Canada/US.We are currently looking for aSenior PHP Developer - Architect ...

Senior Developer, Guidewire Integration

ResponsibilitiesLead and implement new Guidewire integrations, participating in design discussions and solutioning for target state as well as performing hands‑on development.Modernize legacy integrations via microservices‑based solutions and architecture.Work with business subject ...

Senior Mobile iOS Developer

Looking to work for an awesome team? You've come to the right place! Our developers are a tight‑knit group helping drive substantial product development as we continue to grow. We value shipping quality code that delivers end‑to‑end functionality and then iterating and improving on that code using feedback loops ...

Senior Front End Developer

OverviewJob Title:Senior Front-End Developer Location:Toronto, Canada Job Type:Contract Job Overview:We are looking for a Senior Frontend Developer with experience in building highly scalable UI solutions based on a micro services architecture. You will have the ...

Senior Database Java Developer

Position Summary We are currently looking for an experienced application developer who is well-versed in database-centric application development and will support the ongoing development of the company’s web-based software products and internally developed support systems. You have extensive exper ...

Senior .NET/C# Developer

Position Description This role is hybrid and requires you to be at our downtown Toronto and/or Client office at a minimum 4 days per week – subject to change at any time.Required qualifications to be successful in this role6+ years in enterprise-level C#/.NET development.Experience ...

RQ08751 Automation Developer Senior

About the job RQ08751 - Automation Developer - SeniorDescription of Responsibilities: Identifies opportunities for automation within software processes Designs and executes QA tests using scripts that automatically test functionality. Designs and writes test automation scripts Investigates problems in ...

Power BI Senior Developer

Direct message the job poster from Tata Consultancy ServicesTalent Acquisition Specialist @ TATA CONSULTANCY SERVICES | Bachelor of Engineering Inclusion without Exception:Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, ...

3ID Senior Mobile Developer

3ID - Senior Mobile DeveloperApply by emailing us at with any questions or joining us in ourdiscord channel.About the roleAs a senior mobile developer on the Kubelt engineering team, you will play a critical role in designing and building the ...

Senior Full Stack Developer

About AdaptisAdaptis is a clean-tech company that helps organizations optimize both carbon and cost across the entire lifecycle of their buildings—whether for a single asset or a full portfolio. Our platform supports data-driven decision-making from design through operation, enabling teams to reduce em ...

RQ08293 Automation Developer Senior

About the job RQ08293 - Automation Developer - Senior Description of Responsibilities:Identifies opportunities for automation within software processesDesigns and executes QA tests using scripts that automatically test functionality.Designs and writes test automation scripts<br ...

Senior Full Stack Developer

Senior Full-Stack Developer Location: Ottawa, ON (Remote) About the Role We’re looking for a Senior Full-Stack Developer to join one of our development squads and help build new features for the 1VALET smart‑building platform. This role is hands‑on and product‑focused, working a ...

Senior Full Stack Developer

Who We AreTeranet is Canada’s leader in the delivery and transformation of statutory registry services with extensive expertise in land and commercial registries. We also market insightful property and data solutions, as well as practice management automation to thousands of customers in the real estate, financi ...

RQ08407 Automation Developer Senior

About the job RQ08407 - Automation Developer - Senior Description of Responsibilities: Identifies opportunities for automation within software processes Designs and executes QA tests using scripts that automatically test functionality. Designs and writes ...

RQ08287 Automation Developer Senior

About the job RQ08287 - Automation Developer - Senior Deliverables/Skill Set: Automation Test Developer, Senior Description of Responsibilities Identifies opportunities for automation within software processes Designs and executes QA tests using scripts that auto ...

Senior Database Java Developer

Position Summary We are currently looking for an experienced application developer who is well-versed in database-centric application development and will support the ongoing development of the company’s web-based software products and internally developed support systems. You have extensive exper ...

Senior Java & Angular Developer

Who We Are Teranet is Canada’s leader in the delivery and transformation of statutory registry services with extensive expertise in land and commercial registries. We also market insightful property and data solutions, as well as practice management automation to thousands of customers in the real ...

Senior Systems Developer, IT.

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. Summar ...

Senior Dynamics 365 Developer

Join a rock-solid organization as our client’s next Senior Dynamics 365 Developer and sit at the center of projects that drives decisions. You’ll help one of Canada's most trusted organizations work on the latest project, and be rewarded with great opportunities. Key Responsibilities R ...

Ingenium Migration Senior Developer

Step into a critical role at Mphasis as a Senior Developer specializing in Ingenium migration for life insurance projects. Leverage your extensive experience to drive data conversion success.Mphasis seeks a Senior Developer with 8-10 years of expertise in life insurance and a focus on Ingenium migrations. Yo ...

Senior Decision.com Developer Role

Elevate your expertise as a Senior Decision.com Developer, focusing on workflow optimization and secure access control for enterprise clients. Leverage your skills in SAML and SSO integration as part of your role.We are seeking a senior-level developer experienced in the Decision.com platform. This role emph ...

Nylas Senior Developer Advocate

Lead developer engagement as Nylas’ Senior Developer Advocate. Focus on creating impactful content and enhancing community communications through valuable feedback.As a pivotal member of the Developer Relations team, you will establish Nylas as a leading advocate in APIs and AI communications. This rol ...

Senior Salesforce Developer Position

Explore a Senior Salesforce Developer role based in Toronto, offering part-time hours with a focus on project commitment. Candidates must have extensive Salesforce experience and dedication.This backfill position is for a Senior Salesforce Developer with 8-10 years of experience. The schedule begins wi ...

Senior Developer, DevOps ESC

## Senior Developer, DevOps - ESCApplylocations:Torontotime type:Full timeposted on:Posted 6 Days Agotime left to apply:End Date: June 29, 2026 (7 days left to apply)job requisition id:JR **Company Name:**ESC Corporate Services Ltd.**Location:** Toronto, Ontario* ...

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