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Added 10 mins ago
Full Stack Engineer
Stelvio Inc.
Saskatoon, SK
Full-time
You’ll be joining a business that develops technology-led solutions for complex, real-world environments. Working alongside senior developers, architects, project managers and wider…
Added 11 mins ago
Experienced Controls Engineer – Software Development
Inventure Engineering & Machinery Inc.
Barrie, ON
Full-time
Inventure Engineering and Machinery is looking for an experienced Senior Controls Engineer to join our Electrical Engineering team. If you have a strong background in PLC programming,…
Added 11 mins ago
Data Scientist
Lantern
AB · Edmonton, AB
Full-time
Lantern is seeking a hands-on, client-facing Senior Data Scientist to design, develop, and operationalize advanced analytics, machine learning, generative AI, and agentic AI solutions using…
Added 11 mins ago
Senior Design Engineer
The Lignum Group
Montreal, QC · Greater Montreal Metropolitan Area
Full-time
We are seeking an experienced Senior Design Engineer to lead a high‑performing formwork and temporary works design team supporting complex construction projects.
Added 27 mins ago
Machine Learning Operations Engineer/Senior
Wawanesa Insurance
Toronto, ON · AB · Winnipeg, MB · Ottawa, ON · Kitchener, ON · Calgary, AB · Edmonton, AB (Hybrid), AB · North York - Toronto, ON (Hybr, ON
The Machine Learning Operations Engineer/Senior is responsible for the design, development, deployment, monitoring, and operationalization of machine learning and AI solutions. The engineer…
Added 41 mins ago
Principal Risk Engineer, Energy & Renewables
Liberty Mutual Canada
Toronto, ON
Full-time
As a Principal Risk Engineer, Energy & Renewables, you'll play a critical role as a trusted advisor to both internal stakeholders and external partners - bringing deep technical insight,…
Added 41 mins ago
AI Infrastructure Engineer
Mission.dev
Canada
Full-time
As a founding Senior AI Infrastructure Engineer, you will report to the Chief Technology Officer to design and operate large-scale infrastructure for AI workloads on public cloud and…
Added 41 mins ago
Intermediate Structural Engineer - Resources
WSP in Canada
Regina, SK
Full-time
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
Added 41 mins ago
Intermediate Structural Engineer - Resources
WSP in Canada
SK · Saskatchewan, Canada
Full-time
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
Added 41 mins ago
Senior Software Developer, AI Solutions
System Soft Technologies
Quebec, QC
Full-time
client is looking for a senior software engineer - a builder first - for our AI Solutions team. This is a hands-on development role, not machine-learning research: you’ll build production…
Added 41 mins ago
Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
Full-time
PagerDuty is seeking a Senior Security Engineer to join our Cloud Security team, part of Security Engineering within the CTO organization. This is a preventive, platform-focused role for a…
Added 41 mins ago
Product Manager
Robert Half
Mississauga, ON
$85,000 to $95,000 CAD / year
Full-time
…space. This is an exciting opportunity for an early-career engineer who enjoys working directly with customers and wants to transition into a product-focused role at the intersection of…
Added 41 mins ago
Intermediate Structural Engineer - Resources
WSP in Canada
Saskatoon, SK
Full-time
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
Added 41 mins ago
Senior SCADA Engineer
HV Logic Ltd.
Calgary, AB
$125,000 to $170,000 CAD / year
Full-time
To support the growth of the company, HV Logic Ltd. currently has an opening for a Senior SCADA Engineer position, to work on challenging projects and contribute to the continued…
Added 41 mins ago
Machine Learning Engineer
Lorven Technologies Inc.
Toronto, ON
Contract
The Senior Machine Learning Engineer is a core technical practitioner responsible for designing, building, and deploying production-grade Machine Learning, Large Language Model (LLM),…
Added 56 mins ago
Senior Project Manager - Team Lead
WSP in Canada
Lethbridge, AB
Full-time
Serve as a senior client advisor and primary point of contact for developers, municipalities, and agencies, building strong, trusted relationships through proactive communication and…
Added 57 mins ago
Technical Manager - Renewable Interconnection & Electrical Design
Enbridge
Toronto, ON · Calgary, AB
Full-time
…safety, innovation, and collaboration to deliver reliable energy solutions and create lasting value in the communities we serve. As the Technical Manager, Renewable Interconnection &…
Added 57 mins ago
Ingénieur Senior, Mécanique - Senior engineer, Mechanical
AJ Walter Aviation
Montreal, QC
Full-time
Le titulaire du poste sera en mesure de livrer des solutions d'ingénierie de pointe et innovantes afin de soutenir les opérations au niveau de l'ingénierie tout en permettant de réduire les…
Added 57 mins ago
Ingénieur de Projet Senior [Hybride] | Senior Project Engineer [Hybrid]
EDF power solutions
Montreal, QC
Full-time
Scope of Job: The Senior Project Engineer is responsible for leading and overseeing the technical coordination of projects engineering for grid scale projects from development through…
Added 1 hour ago
Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
PagerDuty is seeking a Senior Security Engineer to join our Cloud Security team, part of Security Engineering within the CTO organization. This is a preventive, platform-focused role for a…
Added 1 hour ago
Project Manager
Volatus Aerospace
Vaughan, ON
Full-time
Volatus Aerospace Inc. is a global leader in aerial solutions, bringing over 100 years of combined aviation expertise. We specialize in delivering innovative, customer-focused solutions…
Added 1 hour ago
Staff Engineer, AI Security
EQ Bank | Canada's Challenger Bank
Toronto, ON
Full-time
Reporting to the Senior Director, Cyber Security Engineering & Operations and working as a fully dedicated, embedded security partner to the AI Centre of Enablement and the Enterprise…
Added 1 hour ago
Civil Engineering Technologist
City of Regina
Regina, SK
…respect to municipal infrastructure. This position reports to a Senior Engineer in the Branch. The incumbent for this position will focus primarily on reviews for various applications…
Added 1 hour ago
SQL Developer / Data Engineer
TD
Toronto, ON
Full-time
Position Title: Senior SQL Developer / Data Engineer
Added 1 hour ago
Jr. Software Engineer - Java, Angular, JavaScript
Motorola Solutions
Quebec, QC · Gatineau, QC · ON
Full-time
At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We…

Cruit Group

Senior Backend Developer

Toronto, ON, Canada

Job type: Full-time
Apply by: Oct 29, 2026
Posting language: English
Posted: Sep 29, 2026

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Applications open in a new tab.

Original job description

Position Title: Senior Back-End Developer – Platform & Core Systems

Job Summary

Our partner is seeking a Senior Back-End Developer to design, build, and maintain high-throughput server-side architecture powering a high-traffic media and streaming platform serving millions of active users. This senior individual contributor role is tailored for an engineer capable of owning backend services end-to-end, optimizing production environments, and driving technical decisions as system scale, data volume, and operational complexity expand.

The technical environment centers on distributed backend services, data-intensive application logic, and mission-critical production systems built for maximum uptime and minimal latency. The ideal candidate brings comprehensive experience across PHP ecosystem architectures, relational databases (MySQL), caching tiers, custom APIs, and Linux server environments, alongside the collaborative mindset required to seamlessly integrate client-facing interfaces with robust server logic.

In this role, you will collaborate with cross-functional engineering teams to transform technical requirements into resilient system designs, applying software engineering fundamentals to complex backend challenges across data, application, and infrastructure tiers.

Key Responsibilities

Architect, optimize, and maintain scalable server-side systems for a high-volume media platform, prioritizing execution speed, maintainability, and operational stability.
Engineer robust APIs, design and optimize MySQL database schemas, and fine-tune complex queries for peak efficiency.
Implement multi-tier caching patterns utilizing Redis and Memcached to accelerate data delivery and minimize database load.
Build and support asynchronous background job processing workflows, queue managers, and large-scale data pipeline workloads.
Maintain, refactor, and modernize legacy codebases while continuously improving overall system architecture and developer tooling.
Partner with front-end engineers to seamlessly integrate server-side logic with user interfaces across web and mobile surfaces.
Champion code quality and architectural standards through thorough code reviews, reusable component design, and technical mentorship.

Required Qualifications

8+ years of professional backend software engineering experience, with a proven track record of supporting high-traffic production environments at scale.
10+ years of OOP software development experience, including 5+ years of dedicated expertise in modern PHP environments (PHP 8+).
Advanced proficiency with MySQL database design, schema optimization, indexing strategies, and query performance tuning.
Practical, hands-on experience implementing enterprise caching solutions using Redis and Memcached.
Deep understanding of web application architecture, HTTP/HTTPS protocols, network fundamentals, and Linux system administration (including log inspection and live troubleshooting).
Working knowledge of client-side web technologies (JavaScript, TypeScript, HTML, CSS) with a flexible, hands-on engineering mindset.

Preferred Qualifications

Domain experience with video processing pipelines, streaming protocols, media container formats, or live-streaming technology stacks.
Familiarity with NGINX web server configuration, WebSocket-based real-time communication, BASH scripting, and static analysis tools like PHPStan.
Degree in Computer Science, Computer Engineering, or a related technical discipline.
Hands-on experience modernizing legacy PHP codebases, working with server-side rendering (SSR) frameworks, or building out automated testing/CI-CD workflows (PHPUnit).

Target Compensation

United States: $159,000 – $176,000 USD base salary + standard benefits + equity

Note: The salary range provided serves as a good-faith estimate based on internal benchmarking, market data, and role scope. Final compensation depends on individual candidate skill level, experience, and assessment.

Why Work With Our Partner

Direct involvement in empowering an independent digital content creator community and building revenue-generating opportunities for creators
A fast-paced, high-ownership engineering culture focused on competing against legacy tech giants
A proactive team environment that values rapid execution, technical experimentation, and decisive action
Competitive base compensation, comprehensive healthcare coverage, and equity packages

Equal Opportunity Employer

Our partner is an equal opportunity employer. They provide equal employment opportunities to all team members and applicants without regard to race, color, religion, national origin, sex, sexual orientation, age, veteran status, disability status, or any other protected characteristic under relevant federal, state, or local laws. Our partner actively participates in the E-Verify program.

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More about this job

Responsibilities

Design, build, optimize, and maintain scalable backend services, APIs, MySQL databases, caching systems, and asynchronous processing workflows for a high-traffic media platform. Modernize legacy systems, collaborate with front-end teams, and promote code quality and sound architecture through reviews, reusable components, and mentorship.

Requirements

Requires 8+ years of backend engineering experience, 10+ years of object-oriented development, and at least 5 years working with modern PHP, along with advanced MySQL, Redis, Memcached, web architecture, and Linux expertise. Candidates should also have working knowledge of client-side web technologies; media streaming experience, NGINX, WebSockets, BASH, PHPStan, PHPUnit, and a relevant degree are preferred.

Skills

Backend Software Engineering
PHP
Object-Oriented Programming
MySQL
Database Optimization
Redis
Memcached
API Development
Linux System Administration
Distributed Systems
Background Job Processing
Data Pipelines
JavaScript
TypeScript
Code Reviews
Technical Mentorship

Benefits

Healthcare Coverage
Equity

Visa sponsorship

Not detected in the job text

Keywords

PHP 8+
MySQL
Redis
Memcached
Linux
HTTP/HTTPS
APIs
Distributed Systems
High-Traffic Production Systems
Database Schema Design
Query Performance Tuning
Caching
Background Jobs
Queue Managers
Data Pipelines
JavaScript
TypeScript
HTML
CSS
NGINX
WebSockets
BASH
PHPStan
PHPUnit
Server-Side Rendering
CI/CD
Video Processing
Streaming Protocols
Media Container Formats
Legacy Code Modernization

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