eleven-xVerified Job Source

Senior Backend Engineer

Waterloo, ON
Hybrid
Posted Sep 18, 2026
1 position

$120,000–$125,000 / year

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week

Job summary

You will design, build, and maintain backend services, APIs, and data workflows while leading technical architecture decisions. Additionally, you will collaborate with cross-functional teams to ensure system reliability, mentor engineers, and support production operations.

Job details

eleven-x is transforming the parking experience through its industry-leading parking technology: a sensor-based space-occupancy monitoring solution and comprehensive software platform that enables frictionless parking. Our solution includes our own hardware, firmware, network solutions, web applications, and mobile applications. Customers rely on our expertise to deliver comprehensive, easy-to-use, scalable solutions that reduce costs, drive additional revenue, and deliver better services. Come grow with us! We are seeking a full-time Senior Backend Engineer to strengthen the systems behind our eXactPark cloud solution. You will own backend capabilities from technical design through production operation, work across product and engineering teams, and improve the reliability and scalability of software that connects hardware, networks, and customer-facing applications. You'll work with people who share the same values of being passionate, innovative, accountable, collaborative, and respectful. We take care of our teammates by offering meaningful and challenging work, growth opportunities, stock options, team events and lunches, competitive wages, 4 weeks paid holidays per year, hybrid work, flexible hours, and health benefits. Job Responsibilities include: Design, build, and operate maintainable backend services, APIs, integrations, and data workflows. Lead technical design and architecture decisions for backend capabilities, balancing product needs, reliability, performance, and long-term maintainability. Deliver secure application behavior across authentication, authorization, background processing, scheduling, caching, and production operations. Diagnose production issues, improve observability and resilience, and support effective incident investigation and resolution. Collaborate with frontend engineers, DevOps, Customer Success, and other stakeholders to clarify requirements, manage technical risk, and deliver reliable outcomes. Mentor engineers through design reviews, implementation guidance, and constructive technical feedback. Use AI-assisted engineering tools responsibly to accelerate development, debugging, testing, and documentation while maintaining sound engineering judgment. To be Successful in this role, you will have: Strong PHP 8+ experience, with Laravel as the primary framework; Symfony or other modern backend-framework experience is also welcome. Strong experience with Eloquent ORM, migrations, relational data modelling, and MySQL or PostgreSQL. Experience designing and implementing REST APIs, OpenAPI specifications, and third-party integrations. Experience with authentication and authorization, including policies, roles, permissions, and token-based access. Experience with queues, jobs, events, scheduling, Redis, Horizon or comparable asynchronous-processing tooling. Experience with caching, backend performance tuning, production debugging, and operational support. Strong automated-testing practice using PHPUnit, Pest, or similar feature and unit testing frameworks. Proven system-design and architecture experience, including production decision-making and technical leadership. Practical experience using AI-assisted engineering tools as part of a responsible development workflow. Git and CI/CD experience. You may also have: Geospatial experience, including PostGIS or QGIS. Experience with IoT products or systems where hardware, software, and networking intersect. Python, JavaScript, or TypeScript experience. Docker, Kubernetes (K8s), or cloud-native operational experience. Experience with event-driven systems, distributed integrations, or high-volume data processing. Common soft-skill requirements: Clear written and verbal communication. Ownership and sound judgment in driving technical and quality outcomes. Ability to make and explain pragmatic architecture and production decisions. Proactive collaboration across teams. A mentoring mindset and constructive approach to technical leadership. We are committed to building an inclusive and diverse organization and encourage all qualified individuals to apply. Accommodations are available upon request for candidates taking part in all aspects of the selection process. While we appreciate the interest of all candidates, only those selected for an interview will be contacted.

What you’ll do

Requirements

The ideal candidate has strong experience with PHP 8, Laravel, and relational database modeling. You must also possess proven skills in system design, API development, automated testing, and production-level operational support.