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Added 13 mins ago
Lead Instrumentation & Control Engineer, Resources
WSP in Canada
Toronto, ON
Full-time
…Greater Toronto Area, Saskatoon SK, St John's NL as a Lead I&C Engineer, you will support as a senior subject matter expert in the instrumentation and controls engineering for both new…
Added 13 mins ago
Process Engineer
Integrated Power Services
Hamilton, ON
Full-time
Integrated Power Services (IPS) is seeking an experienced Process Engineer - Operations & Continuous Improvement to lead process optimization, operational excellence initiatives, repair…
Added 13 mins ago
Consultant II / EIT II
Lydium Technical Services Ltd.
Newmarket, ON
Full-time
Build and maintain thermochemical process models and data analysis frameworks using a variety of software tools, with senior engineer review.
Added 13 mins ago
Graphics Specialist – Building Automation / EBO (GSBA002)
Potenco
Toronto, ON · Greater Toronto Area, Canada
Full-time
Work closely with the Solution Architect / Lead EBO Engineer, Senior Systems Integrators, BAS Specialists, Controls Specialists, commissioning personnel, and project teams.
Added 13 mins ago
Lead Azure Databricks Platform Engineer
TheCorporate
ON · Ontario, Canada
Full-time
We are seeking a seasoned Principal Cloud Engineer [Individual Contributor] who thrives in restricted Azure setups – where native features are locked down, so you’ll code workarounds like…
Added 13 mins ago
Senior Cloud Security Engineer (Golang & HashiCorp Vault)
J&M Group
Montreal, QC
Contract
We are hiring for a Senior Cloud Security Engineer (Golang & HashiCorp Vault). This role focuses on building secure, scalable cloud infrastructure and security solutions using Golang,…
Added 13 mins ago
Senior Water Resources Engineer
Onterris
Calgary, AB
Full-time
As an Senior Engineer in our Calgary office you’ll be responsible for assisting multiple projects where you will have increasing interaction with our multi-disciplinary staff, regulatory…
Added 13 mins ago
Cloud Platform Engineer
Apex Systems
Toronto, ON
$54 to $60 USD / hour
Contract
Apex Systems is a global IT services provider, and our staffing practice has an opening for a Cloud Platform Engineer with extensive programming abilities with Python, Typescript or NodeJS,…
Added 13 mins ago
Senior Amazon Connect Engineer
N2P Systems
Toronto, ON
$110,000 to $120,000 CAD / year
Full-time
We are looking for a Senior Amazon Connect Engineer with strong hands-on experience designing, implementing, and supporting Amazon Connect contact center solutions at enterprise scale.
Added 13 mins ago
Senior Project Engineer
DRA Global
Toronto, ON
Full-time
We are looking for a talented Senior Project Engineer to work in our Toronto or Montreal office on a hybrid schedule.
Added 14 mins ago
Dynamics / Power platform engineer
Capgemini
Montreal, QC
We are looking for a Senior Microsoft Power Platform Engineer with expertise in AI Builder, Copilot, Dynamics 365, and Power Apps. The ideal candidate will have experience designing and…
Added 14 mins ago
GCP Cloud Engineer
TELUS Digital
Remote, Canada
$90,000 to $95,000 CAD / year
Full-time · Remote
We are seeking a highly skilled and motivated GCP Cloud Systems Engineer to lead the design, deployment, and operational excellence of our Google Cloud Platform (GCP) environment. A key…
Added 29 mins ago
Experienced Controls Engineer – Software Development
Inventure Engineering & Machinery Inc.
Barrie, ON
Full-time
We're Hiring: Experienced Controls Engineer – Software Development!
Added 29 mins ago
Embedded Electrical Designer
Mycionics Inc.
Kitchener, ON
Full-time
…bringing strong independent expertise in custom PCBs and embedded systems. Your core strength should be in electrical design - ensuring the proper integration of electrical components at…
Added 29 mins ago
Software Engineer
Mycionics Inc.
Kitchener, ON
Full-time
We are seeking a highly collaborative C++ Software Engineer to build the high-level software architecture that glues our robotic systems together. While our firmware team handles the…
Added 29 mins ago
Computer Modeling & Simulation Staff Specialist/Engineer
General Dynamics Land Systems–Canada
London, ON
Full-time
Computer Modeling & Simulation Staff Specialist/Engineer P55
Added 29 mins ago
Mechanical Design Engineer
Mycionics Inc.
Kitchener, ON
Full-time
We are seeking a versatile Mechanical Design Engineer to join our mechanical design team. This role is best suited to a well-rounded designer capable of taking a project from an initial…
Added 29 mins ago
Embedded Firmware Engineer
Mycionics Inc.
Kitchener, ON
Full-time
Methodical & Dependable: You understand best practices, avoid race conditions, and engineer highly robust systems.
Added 29 mins ago
Junior Resource Strategy Analyst
AtkinsRéalis
Mississauga, ON
Full-time
…technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
Added 29 mins ago
Senior Software Engineer
AVEE HEALTH
Vancouver, BC
Full-time
…while the direction, the tradeoffs and what ships remain the engineer's call. We try new tools and practices early and keep the ones that earn their…
Added 29 mins ago
Senior QA Automation Engineer – Contact Center (French Speaking)
N2P Systems
Toronto, ON
$110,000 to $120,000 CAD / year
Full-time
We are looking for a Senior QA Automation Engineer with strong experience in Contact Center platforms, IVR/routing automation, and test automation, along with French-speaking capability.
Added 29 mins ago
Junior Resource Strategy Analyst
AtkinsRéalis
Mississauga, ON
Full-time
…technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
Added 29 mins ago
Building Operator
CBRE
Fort St. John, BC
Full-time
As a CBRE Building Operator, you will be responsible for maintaining small to medium-sized buildings, building systems, and equipment.
Added 29 mins ago
Broadcasting and Media Engineer
LiveBarn
Montreal, QC
Full-time
…the intersection of sports, media, and AI, building scalable systems that deliver real-world impact, with a strong focus on innovation, ownership, and continuous…
Added 45 mins ago
Senior Backend Developer - Spectra
GHGSat
Montreal, QC
Full-time
We are looking for a senior engineer who wants their work to matter, who takes pride in building software that is reliable and genuinely useful, and who makes the team around them better.

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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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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