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Junior Backend Developer Jobs in Ontario (NOW HIRING)

The Role Capco is seeking an Junior Backend Developer ( Contract - 6 months ) to support a major Financial Services client in delivering vulnerability remediation initiatives across critical ...

Java Backend Developer

Etobicoke, ON ยท Hybrid

CA$100K - CA$135K/yr

As a Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining ... Guide and mentor junior developers, fostering a culture of learning, best practices, and technical ...

... junior developers. Your leadership will be key in optimizing our systems for client-facing ... backend engineering. #J-18808-Ljbffr

New

The Role This is a senior role working alongside the current backend software engineering team; however, you will also work alongside both experienced and junior frontend developers, as well as ...

\n \n \n \n \n Junior Java Developer 35K p\/a + benefits Java, AWS, Javascript \n \n \n \n \n \n We ... backend Java stack with some Angular on the frontend. Strong academics are a huge advantage here ...

Mentor junior engineers and interns * Promote best practices and high-quality development ... with backend APIs, services, and platform development * Rich development experience with Java ...

\n \n \n \n \n We are looking for Junior Java Developers to join a globally renowned FinTech company ... a backend Java stack with some Angular on the frontend. \n \n \n \n \n \n Strong academics are a ...

Work closely with backend, DevOps, and cloud platform teams to support endtoend delivery ... Provide technical mentorship and guidance to intermediate and junior developers. * Support ...

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Junior Backend Developer information

See Ontario salary details

$41K

$70K

$85K

How much do junior backend developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for junior backend developer in Ontario is $69,980.00, according to ZipRecruiter salary data. Most workers in this role earn between $63,500.00 and $77,000.00 per year, depending on experience, location, and employer.

How much do junior backend developers make?

Junior backend developers in the US typically earn between $50,000 and $80,000 annually, depending on location, experience, and skills such as knowledge of programming languages like Python or Java. Entry-level salaries may be lower in some regions, while those with additional certifications or experience can earn more.

What are the main responsibilities of a junior backend developer?

As a Junior Backend Developer, you'll typically be involved in writing and maintaining server-side logic, integrating with databases, and supporting the development of APIs that connect various parts of an application. You may work closely with front-end developers, QA testers, and project managers to implement new features and resolve technical issues. Your daily responsibilities could also include debugging code, participating in code reviews, and updating documentation. This entry-level role offers an excellent opportunity to build foundational development skills while collaborating within a larger software engineering team.

What is a junior backend developer?

A Junior Backend Developer is an entry-level software engineer who focuses on server-side development, databases, and API integrations. They typically work with languages like Python, Java, or Node.js and collaborate with frontend developers to ensure seamless application functionality. Their responsibilities include writing and maintaining code, debugging issues, and optimizing performance. Junior Backend Developers often follow the guidance of senior developers and gradually take on more complex tasks as they gain experience.

What are the key skills and qualifications needed to thrive as a junior backend developer?

To thrive as a Junior Backend Developer, you need a solid understanding of programming languages like Python, Java, or Node.js, alongside knowledge of databases and basic software development principles. Familiarity with tools such as version control systems (e.g., Git), RESTful APIs, and frameworks like Django or Express is highly valued, and online certifications in these technologies can be beneficial. Strong problem-solving, effective communication, and a willingness to learn make candidates stand out in a collaborative development environment. These skills and qualities are crucial for building reliable backend systems, debugging issues, and contributing effectively to team projects.

Is a junior backend developer entry-level?

Yes, a junior backend developer position is typically considered entry-level, suitable for candidates with limited professional experience or recent graduates. It often involves learning foundational skills in server-side programming, databases, and frameworks, with opportunities for skill development and growth.
What are the most commonly searched types of Backend Developer jobs in Ontario? The most popular types of Backend Developer jobs in Ontario are:
What job categories do people searching Junior Backend Developer jobs in Ontario look for? The top searched job categories for Junior Backend Developer jobs in Ontario are:
What cities in Ontario are hiring for Junior Backend Developer jobs? Cities in Ontario with the most Junior Backend Developer job openings:
Infographic showing various Junior Backend Developer job openings in Ontario as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $69,980 per year, or $33.6 per hour.

Jr. Back-End Developer (Contract)

Capco

Toronto, ON โ€ข On-site

Other

Re-posted 13 days ago


Job description

Build secure, scalable backend solutions while helping leading financial institutions strengthen their technology platforms and accelerate vulnerability remediation initiatives.

The Role

Capco is seeking an Junior Backend Developer (Contract - 6 months) to support a major Financial Services client in delivering vulnerability remediation initiatives across critical applications and platforms. This role combines hands-on backend engineering with cross-functional collaboration, helping delivery teams implement, test, and validate remediation activities that strengthen application security and platform resilience.

You will work across development, testing, DevOps, troubleshooting, and production support activities while collaborating closely with engineering teams, security stakeholders, and business partners to ensure successful delivery outcomes.

What You'll Do

  • Design, develop, and maintain backend services usingย Java and Spring Bootย within enterprise-scale applications.
  • Support vulnerability remediation and application modernization initiatives across critical technology platforms.
  • Collaborate with business stakeholders, engineers, and delivery teams to gather requirements and implement effective solutions.
  • Participate in code deployment, testing, troubleshooting, and production support activities across the software development lifecycle.
  • Contribute to Agile delivery teams, ensuring high-quality, secure, and resilient technology solutions.

What We're Looking For

  • 2+ years of software development experience with strong expertise in Java and Spring Boot.
  • Experience developing and supporting backend services, APIs, and distributed applications.
  • Understanding of deployment pipelines, CI/CD processes, testing practices, and release management.
  • Strong communication skills with the ability to work directly with business and technical stakeholders.
  • Experience working within Agile delivery environments.

Bonus Points For

  • Experience within Financial Services, Banking, Capital Markets, or Payments environments.
  • Knowledge of vulnerability management, application security, or secure software development practices.
  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Familiarity with OpenShift, Kubernetes, Docker, or containerized environments.
  • Exposure to integration technologies, messaging frameworks, or event-driven architectures.

Why Join Capco

  • Deliver high-impact technology solutions for Tier 1 financial institutions.
  • Work in a collaborative, flat, and entrepreneurial consulting culture.
  • Access continuous learning, training, and industry certifications.
  • Be part of a team shaping the future of digital financial services.
  • Help shape the future of digital transformation across Financial Services and Energy.

Why This Role Is Open

We are currently hiring for this role due to an existing or newly created vacancy within our organization. This position is open as part of our ongoing business needs, and we are actively reviewing applications to fill this role with a qualified candidate who can make an immediate impact.

Inclusion at Capco

We're committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know - we'll be happy to help. We value each person's unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration - a mindset that shapes how we work with clients and each other every day.

Use of Artificial Intelligence in Talent Acquisition

At Capco, we use artificial intelligence (AI) tools to support and enhance several parts of talent acquisition. This includes using AI-enabled features within LinkedIn to help source potential candidates, speeding up routine recruitment communications such as emails and creating compelling and brand-aligned job postings that accurately reflect role requirements, and AI-scheduling applications to improve the efficiency of interview coordination.

AI is used as a support tool only. All hiring decisions are made by talent acquisition and hiring teams.


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About Capco

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing

Company size

201 - 500 Employees

Headquarters location

Grand Junction, CO, US

Year founded

1958