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Jr Backend Developer Jobs in Ontario (NOW HIRING)

Jr Backend Developer information

What is a Jr Backend Developer?

Jr Backend Developers are entry-level software engineers who specialize in building and maintaining the server-side logic, databases, and APIs of web applications. They work closely with senior developers to implement application features, fix bugs, and ensure that the backend components are efficient, secure, and scalable. Junior backend developers typically use programming languages like Python, Java, Node.js, or Ruby, and work with databases such as MySQL, PostgreSQL, or MongoDB. They are also responsible for integrating front-end elements and may collaborate with DevOps teams to deploy applications.

What are the key skills and qualifications needed to thrive as a Jr Backend Developer?

To thrive as a Jr Backend Developer, you need a solid understanding of server-side programming languages (such as Python, Java, or Node.js), databases, and foundational software development principles, typically supported by a relevant degree or coding bootcamp. Familiarity with frameworks (like Express.js or Django), version control systems (like Git), and basic knowledge of APIs are commonly expected. Strong problem-solving skills, attention to detail, and effective collaboration make a candidate stand out in this role. These skills and qualities are crucial for building reliable backend systems and contributing effectively to team-driven software projects.

What are some common challenges faced by Jr Backend Developers during their first year on the job?

Jr Backend Developers often encounter challenges such as adapting to new codebases, learning company-specific frameworks or tools, and understanding best practices for writing scalable and maintainable code. Collaborating with more experienced team members and participating in code reviews can sometimes feel daunting at first, but these are valuable learning opportunities. Additionally, balancing multiple tasks and prioritizing bug fixes or feature requests helps develop crucial time management skills. With consistent feedback and support from senior developers, most juniors quickly gain confidence and become productive members of the backend team.

What is the difference between Jr Backend Developer vs Mid Backend Developer?

AspectJr Backend DeveloperMid Backend Developer
Required Experience0-2 years2-4 years
SkillsBasic programming, understanding of databases, API integrationAdvanced coding, system design, optimization
ResponsibilitiesAssist in backend tasks, bug fixing, learningDevelop features, improve performance, mentor juniors
Work EnvironmentEntry-level projects, supervised tasksIndependent work, project ownership

The main difference between a Jr Backend Developer and a Mid Backend Developer lies in experience, skill level, and responsibilities. Jr developers are typically entry-level, focusing on learning and assisting, while Mid developers handle more complex tasks and have greater independence. Employers seek different expertise levels for each role, making this distinction important for career progression and job matching.

What cities in Ontario are hiring for Jr Backend Developer jobs?

Cities in Ontario with the most Jr Backend Developer job openings:

Infographic showing various Jr Backend Developer job openings in Ontario as of August 2026, with employment types broken down into 81% Full Time, 7% Part Time, and 12% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Java Backend Developer - Remote Work

Two95 International Inc.

Ottawa, ON • Remote

Full-time

Re-posted 10 days ago


Job description

Title - . Java Back End Developer (3 Openings Sr/Mid/Jr)

Position - Fulltime With our client

Location - 100% Remote Work

Salary - $Open (Best Possible)

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Requirements

Position 1: Sr. Java Back End Developer

Position 2: Mid. Java Back End Developer

Position 3: Jr. Java Back End Developer

Skills: Familiar with Java Spring and SpringBoot technology. Familiarity building microservices.

KEY DUTIES, RESPONSIBILITIES AND ACTIVITIES

Design, develop, and extend high performance, test-driven code that meets requirements and is scalable and maintainable

Participate in all stages of the software development cycle, including designing and developing new system architecture and improvements

Developing, deploying and managing software across the full Continuous Delivery life-cycle.

Leading and mentoring other engineers as well as liaising with other parts of the business.

Provide Hands-on problem solving with a willingness to do whatever it takes to complete an objective.

Wisely develop practical solutions, sometimes even at the expense of purity.

Plan and negotiate with peers to meet deadlines.

Worked in an Agile/Scrum environment to deliver high quality software

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TWO95 International logo

About TWO95 International

Sourced by ZipRecruiter

At TWO95 International, we believe it is imperative that a hiring company is assured of procuring the right candidate to fill a job requirement. We have an extensive local and International network, and a fully digitalized sourcing approach that allows us to find a candidate best suited for the job. Furthermore, we strive to secure well matched opportunities that align with the personal and career aspirations of our candidates.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Cherry Hill, NJ, US

Year founded

2009

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