SJCVerified Job Source

Senior Full-Stack Developer

Toronto, ON
On-site
Posted Aug 28, 2026
1 position

$100,000–$120,000 / year

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Minimum education: Bachelor’s degree
Posting language: English
Working hours: 40 hours per week

Job summary

The Senior Full-Stack Developer will maintain and enhance digital platforms while collaborating with product managers and designers to deliver high-impact solutions. They will also architect new features, manage database development, and contribute to the technical implementation of the company's ad stack.

Job details

SJC stands as Canada’s largest privately owned communications company, distinguished by its portfolio of leading media brands, including Toronto Life, Chatelaine, and Maclean’s. At SJC, creativity, technology and journalism intersect to deliver content that resonates and performs. From integrated creative studios and advanced ad-tech to a portfolio of iconic media brands, we craft and distribute award-winning stories for audiences and advertisers alike. Partnering with organizations across North America, we build marketing solutions that inform, inspire and empower on every platform—from print to emerging digital channels. Our influence—and a 22-year streak on Canada’s Best Managed Companies list—reflects a culture committed to excellence and constant evolution. To learn more about our organization, please visit www.stjoseph.com [http://www.stjoseph.com] About the Role Our engineering team is seeking a Senior Full-Stack Developer to play a key role in the engineering function for our Media organization. In this role you will be responsible for maintaining and enhancing our digital platforms that enable product, content and monetization to succeed for all stakeholders across SJC. As a senior member of the team, you will help to define technical priorities, contribute to architectural decisions, and collaborate closely with the product managers, designers, and editors to deliver high-impact solutions that maximize value for our users and revenue for our business. This role requires a proven track record of contributing to complex projects, architectural design, and quality code production, along with an appetite to learn—you'll be ramping up on our AdOps stack (Header Bidding, Google Ad Manager, and the data pipelines behind ad revenue) as part of the role, so we're looking for someone adaptable and eager to grow into that domain. What You’ll Do in this Role: * Collaborate with other engineers as well as PMs and designers, contributing to a culture grounded in trust, teamwork, clear expectations, accountability, and continuous improvement. * Architect and develop new platform and product features using modern frameworks (TypeScript, React, Node.js) and AI technologies, taking ownership from prototype through production and potentially mentoring junior developers in the process. * Ramp up on and eventually contribute to the technical implementation of our ad stack, including Header Bidding and Google Ad Manager, working closely with our AdOps engineer. * Maintain build and deployment infrastructure. e.g. Docker, GitHub Actions, AWS CodeBuild, Terraform, and AWS Cloud formation. * Lead database development and administration using MySQL/MariaDB on AWS RDS Aurora. * Other duties as assigned. Our ideal candidate: * Experienced engineer: 5+ years in software engineering with a track record of contributing to high-performing teams. * Adaptable and curious: comfortable picking up new domains (like AdOps/programmatic advertising) on the job, with no prior ad tech experience required. * Cross-functional partner: Proven collaborator with PMs, designers, and peers to take products from 0→1, managing expectations and delivering impact while fostering transparency and operational excellence. * Has experience: * Owning shared product services: authentication, content APIs, adtech, user engagement, personalization. * Shipping mobile web experiences (Next.js, React, Node, TypeScript—plus the leading edge framework that emerges tomorrow) accelerated with the use of AI coding agents. * Designing & delivering AI-powered products: recommendation engines, content tagging, AI-assisted newsroom tools, AI dev tools. * Crushing performance & Core Web Vitals so ad viewability and subscription conversions soar. * Championing engineering culture: code quality, observability, threat modeling, blameless retrospectives. Your Technical Skills Include: * Education: A bachelor’s degree in Software Engineering, Computer Science, or equivalent. * Front-end & frameworks: Proficient in JavaScript/TypeScript ecosystems (React, Next.js, Node.js). * Back-end & runtimes: Skilled in REST APIs (Golang, Python), containerization (Docker, AWS ECR/ECS/Fargate), microservices architecture, and serverless (AWS Lambda, Step Functions). * AdOps: Proficient with programmatic advertising, GAM, advertising analytics, and A/B testing. * AI-assisted coding: using AI tools to accelerate coding productivity while maintaining strict quality oversight over AI-produced code. * Data stores: Strong with relational databases (MySQL/MariaDB, PostgreSQL); familiarity with NoSQL and column-store databases (e.g., ClickHouse) is a plus. Data engineering experience is a plus. * Delivery & edge: Hands-on CI/CD (GitHub Actions, AWS CodeBuild) and CDN/edge computing (Cloudflare). * AdOps: No prior experience required, but genuine interest in learning programmatic advertising, GAM, and ad analytics is expected. * PHP and WordPress experience are a plus. Benefits at SJC: SJC is committed to the well-being and professional development of its employees. Our comprehensive benefits package includes: Health and Dental Benefits * Employee & Family Assistance Program (EFAP) and access to online health & wellness resources through Homewood Health. * Scholarship program available for employees’ children. * Exclusive employee subscription rates for SJC publications. * A complimentary 1-year Toronto Life Insider membership. * Discounted annual GoodLife membership. * Participation in the Perkopolis Perk Program, offering employee pricing at a wide range of retailers. * A Workplace Built for Everyone: SJC Values * Amaze our customers: We put our customers’ evolving needs at the heart of the business and inspire through our ideas, quality and service. * Be relentlessly curious: We take the initiative to learn, try new things and brainstorm the next big idea. * Respect every individual as equal: We value diversity as the means to creativity and cultivate a collaborative environment where everyone belongs. * Innovate and adapt with urgency: Forward-thinking and flexible, we react quickly and boldly to change. * Contribute to our community: We apply our resources and passions to make a difference – for people and our planet Accommodations at SJC [https://www.stjoseph.com/accessibility-at-sjc] SJC is proud to be an equal-opportunity employer, where everyone feels welcome and has the opportunity to thrive. We're committed to creating inclusive and barrier-free recruitment processes and work environments. If you're contacted for an interview and require any accommodations to ensure a fair and equitable experience, please let our Human Resources team know. We'll handle any information you share with complete confidentiality. Inclusion at SJC Equality and respect for all is one of our founding values and core beliefs at SJC. We are a diverse group with associates of all ages, orientations, races and talents. We celebrate this diversity and we draw strength from it. Inclusivity at SJC means fostering a culture that welcomes and respects each individual as equal – both inside our walls and within the larger community.

What you’ll do

Requirements

Candidates must have at least 5 years of software engineering experience with proficiency in modern frameworks like React, Node.js, and TypeScript. A bachelor's degree in Software Engineering or Computer Science is required, along with a strong aptitude for learning new domains like AdOps.

Benefits

• Health and dental benefits • Employee and family assistance program • Scholarship program for employees' children • Exclusive employee subscription rates • Complimentary Toronto Life Insider membership • Discounted GoodLife membership • Perkopolis perk program