Junior Java Backend Developer Jobs in Ontario (NOW HIRING)

Welcome to Warner Bros. Discovery... the stuff dreams are made of.

Who We Are...

When we say, "the stuff dreams are made of," we're not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD's vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what's next...

From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive.

We are the now and the next. The power behind the people building the future. We are born from the spirit of innovation. We are created from the idea that people around the world want more, need more, deserve more. We are the home of the global digital revolution. We are CNN.

To see what it's like to work atCNN, follow @WBDLife onInstagramandX!

Your New Role

The Dalton team builds and operates backend services that power subscriptions, commerce,
and partner integrations across our streaming platforms. These systems are mission-critical,
high-volume, and event-driven, operating at scale across AWS.
We are seeking a Senior Software Engineer with a strong backend focus to design, deliver,
and support Java-based, cloud-native services. In this role, you will own complex features
end-to-end, influence technical direction within the team, and help raise the bar for code
quality, reliability, and operational excellence.
This is a hands-on individual contributor role with significant ownership and mentorship
expectations, but no formal people-management responsibilities.

Your Role Accountabilities
Design, build, and maintain Java backend services using Spring Boot
Own delivery of complex backend features, from design through production support
Build and evolve event-driven and asynchronous systems using AWS messaging
services
Design and maintain RESTful APIs, service integrations, and internal platform
capabilities
Leverage Amazon SNS, SQS, and DynamoDB to build resilient, scalable distributed
systems
Deploy and support backend services across multiple AWS regions, ensuring
availability, resiliency, and fault tolerance
Participate in architectural discussions and influence technical decisions within the
team
Review code regularly, setting expectations for quality, maintainability, testing, and
correctness
Mentor Dev 2 and junior engineers through code reviews, design feedback, and pairing

Participate in on-call rotations and lead investigation and resolution of production
incidents
Identify and reduce technical debt while improving system performance, reliability, and
operability
Document designs, decisions, and operational considerations to improve team clarity
and velocity

Qualifications & Experience

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
5+ years of professional experience developing backend applications in Java
5+ years of hands-on experience building and operating services using Spring
Boot (or similar Java frameworks)
Experience designing and operating service-oriented or microservice architectures
in production
Strong working knowledge of SQL databases, including data modeling, query
optimization, indexing, and transactional behavior
Proven ability to independently deliver complex backend features through design,
implementation, and production support
Strong understanding of distributed systems, asynchronous processing, and backend
engineering best practices
Experience working in agile, collaborative engineering teams

Hands-on AWS experience, including:

Amazon SNS (event publishing and fan-out) preferred
Amazon SQS (queue-based and asynchronous workflows) preferred
Amazon DynamoDB (NoSQL data modeling and access patterns) preferred
Experience deploying, operating, and supporting applications across multiple AWS
regions preferred
Experience operating Spring Boot services in AWS production environments preferred
Familiarity with CI/CD pipelines and cloud-native deployment practices preferred
Experience supporting production services through on-call rotations preferred
Familiarity with monitoring, logging, and alerting for distributed backend systems preferred

How We Get Things Done...

This last bit is probably the most important! Here at WBD, our guiding principles are the core values by which we operate and are central to how we get things done. You can find them at www.wbd.com/guiding-principles/ along with some insights from the team on what they mean and how they show up in their day to day. We hope they resonate with you and look forward to discussing them during your interview.

Championing Inclusion at WBD

Warner Bros. Discovery embraces the opportunity to build a workforce that reflects a wide array of perspectives, backgrounds and experiences. Being an equal opportunity employer means that we take seriously our responsibility to consider qualified candidates on the basis of merit, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity or expression, age, mental or physical disability, and genetic information, marital status, citizenship status, military status, protected veteran status or any other category protected by law.

If you're a qualified candidate with a disability and you require adjustments or accommodations during the job application and/or recruitment process, please visit our accessibility page for instructions to submit your request.

In compliance with local law, we are disclosing the compensation, or a range thereof, for roles in locations where legally required. Actual salaries will vary based on several factors, including but not limited to external market data, internal equity, location, skill set, experience, and/or performance. Base pay is just one component of Warner Bros. Discovery's total compensation package for employees. Pay Range: $109,700.00 - $159,700.00 salary per year. Other rewards may include annual bonuses, short- and long-term incentives, and program-specific awards. In addition, Warner Bros. Discovery provides a variety of benefits to employees, including health insurance coverage, an employee wellness program, life and disability insurance, a retirement savings plan, paid holidays and sick time and vacation.This position is open for an existing position vacancy.