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Mobile Backend Developer Jobs in Ontario (NOW HIRING)

Smooth Commerce

Backend PHP Developer

Toronto, ON · On-site

CA$80K/yr

Backend PHP Developer About Smooth Commerce: Smooth Commerce is a dynamic B2B SaaS platform ... This includes developing robust APIs for mobile clients and integrating with third-party platforms ...

US Mobile

Senior Backend Engineer

Toronto, ON

CA$140K - CA$180K/yr

US Mobile is building the future of wireless communication. The goal: one unified network open to ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...

US Mobile

Principal Backend Engineer

Toronto, ON

CA$160K - CA$220K/yr

US Mobile is building the future of wireless communication. The goal: one unified network open to ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...

Geotab

Senior Software Developer - Mobile

Oakville, ON · On-site

The Senior Mobile Developer at Geotab is a seasoned engineer who takes full ownership of the mobile ... Integrate with Geotab's telematics backend APIs; collaborate with backend, hardware, and firmware ...

BusPlanner

Mobile Developer (.NET MAUI)

Toronto, ON · On-site

Backend API development in C# - designing and building the APIs your mobile work depends on, so ... We expect our engineers to use AI tooling as a core part of how they design, build, test and debug ...

Warnerbros

Software Developer II - Android

Kanata, ON · On-site

The Android Software Engineer contributes to mobile technology strategy, architecture, best practices, and choice of tools and technology stack across Android app platforms, supporting mobile backend ...

Proton

Senior Backend Engineer (Account)

Paris, ON

With strong notions of architecture and mobile experience, define powerful APIs that enable the ... As a Backend Engineer you will play a crucial role in developing Proton's most vital services and ...

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Mobile Backend Developer information

What is a mobile backend developer?

A Mobile Backend Developer is a software engineer who specializes in creating and maintaining the server-side logic, databases, and APIs that power mobile applications. Their work ensures that mobile apps can securely access data, perform complex operations, and communicate with other services. They typically use programming languages like Java, Python, Node.js, or Ruby, and are responsible for scalability, security, and performance of the backend systems that support mobile apps.

What are the key skills and qualifications needed to thrive as a mobile backend developer, and why are they important?

To thrive as a Mobile Backend Developer, you need strong skills in server-side programming languages (such as Node.js, Python, or Java), API design, and an understanding of mobile app architectures, typically supported by a degree in computer science or related experience. Familiarity with cloud platforms (like AWS or Google Cloud), RESTful APIs, database systems (SQL/NoSQL), and relevant certifications are highly valued. Excellent problem-solving abilities, collaboration, and effective communication help developers work efficiently within cross-functional teams. These competencies ensure robust, scalable, and secure backend systems that power seamless mobile app experiences.

What are some typical challenges mobile backend developers face when integrating with multiple mobile platforms?

Mobile Backend Developers often encounter challenges when ensuring their APIs and services are compatible with different mobile platforms, such as iOS and Android. Differences in data formats, authentication methods, and platform-specific limitations can require additional testing and adaptation. Collaboration with frontend mobile teams is crucial to address these issues early and to maintain smooth data flow and user experience across all platforms. Staying up-to-date with evolving mobile OS requirements is also key to minimizing integration issues.

What is the difference between Mobile Backend Developer vs Web Developer?

AspectMobile Backend DeveloperWeb Developer
Required CredentialsBachelor's in CS or related, knowledge of mobile backend frameworksBachelor's in CS or related, knowledge of web technologies
Work EnvironmentDevelops APIs and services for mobile apps, often in cloud environmentsBuilds websites and web applications, often in browser-based environments
Industry UsageMobile app companies, startups, tech firmsWeb development agencies, corporate websites, e-commerce
Search & Comparison IntentHigh overlap in backend skills, focus on mobile platformsFocus on web technologies, but similar backend skills

While both roles require backend development skills and similar credentials, Mobile Backend Developers specialize in creating APIs and services for mobile applications, often working with cloud platforms. Web Developers focus on building websites and web applications. The roles overlap in backend programming but differ in platform focus and user interface considerations.

What are the most commonly searched types of Backend Developer jobs in Ontario?

The most popular types of Backend Developer jobs in Ontario are:

What cities in Ontario are hiring for Mobile Backend Developer jobs?

Cities in Ontario with the most Mobile Backend Developer job openings:

Infographic showing various Mobile Backend Developer job openings in Ontario as of August 2026, with employment types broken down into 81% Full Time, and 19% Contract. Highlights an 96% In-person, and 4% Hybrid job distribution.

Backend PHP Developer

Toronto, ON • On-site

Smooth Commerce
See more jobs at Smooth Commerceexternal

CA$80K/yr

Full-time

Re-posted 19 days ago

Job description

Backend PHP Developer


About Smooth Commerce:

Smooth Commerce is a dynamic B2B SaaS platform specializing in first-party white-label web and application-based digital ordering, customer marketing, and loyalty systems. Our primary market is the restaurant technology sector in the United States and Canada. Our mission is to empower our clients to increase sales, transition transactions to more cost-effective platforms, and leverage data-driven insights for prosperity. We are committed to continuous innovation and collaboration to address the evolving digital requirements of our clientele.


Timeframe:Full Time

Salary: $80,000 annually

Location:Remote, Canada-based Greater Toronto Area preferred

Reporting To:Platform Architect and AI Architect

Level of Experience:Minimum 6 years intermediate+


Willing to meet in person to collaborate, strong verbal and written communication skills, experience working in small fast-paced environments.


Role Summary:

The Backend PHP Developer is a core member of the engineering team responsible for building, maintaining, and scaling the server-side systems that power Smooth's mobile and web applications. This includes developing robust APIs for mobile clients and integrating with third-party platforms-such as POS systems, payment gateways, and delivery providers-to support Smooth's end-to-end QSR and retail solutions.



Key Responsibilities

  • API & Backend Development
    Builds and maintains scalable backend services using PHP (primarily Symfony), MySQL, and modern web technologies. Develops RESTful APIs to enable seamless front-end/backend interaction and platform integrations.
  • Platform Integrations
    Leads complex third-party integrations-such as Deliverect, POS systems, and

payment providers-expanding our platform's capabilities and client onboarding potential.

  • System Architecture & Optimization
    Designs modular and testable code with performance, security, and scalability in mind. Regularly optimizes queries and improves backend efficiency in a high-volume, real-time environment.
  • Agile Collaboration & Delivery
    Participates in Agile/Scrum ceremonies, collaborates closely with Product, QA, and Front-End teams, and contributes to sprint planning, technical estimation, and ongoing product improvement.
  • Mentorship & Documentation
    Provides architectural input, documents system behaviour, and helps enforce best practices around security, testing (Codeception, CI/CD), and DevOps (Docker, AWS, Ansible).


Technical Stack & Expertise

  • Languages & Frameworks:PHP 7/8, (Symfony),
  • Databases:MySQL, Redis
  • Dev-ops:Experience with deployments using Ansible or similar, knowledge and experience using AWS services, optimizing web servers and MySQL
  • API:RESTful services, JSON-based communication
  • DevOps & Tools:Git, CI/CD, Jenkins, Docker, Ansible
  • Architecture & Patterns:MVC, SOLID, DDD, microservices, event-driven design
  • Security:Authentication/authorization, SQL injection and XSS mitigation


Additional Requirements

In addition to the technical stack outlined above, the successful candidate must demonstrate:

  • Experience Level:Minimum 6 years intermediate+ developer with proven backend expertise (PHP/Symfony, MySQL, APIs, integrations).
  • Soft Skills & Comprehension:Strong ability to take requirements, restate them clearly, and propose solution paths. Excellent communication skills and cultural fit are as important as technical ability.
  • Independence & Problem Solving:Ability to work through challenges proactively and think beyond just the immediate task.


Why It Matters to Product

The Backend Developer is a critical bridge between Product strategy and platform execution. They translate user and client needs into backend solutions that scale, integrate, and perform reliably. Their expertise is crucial in:

  • Evaluating the feasibility of product features or integrations.
  • Mitigating risks related to technical debt, security, or performance.
  • Accelerating time-to-market by delivering stable APIs and backend features aligned with roadmap priorities.


Apply