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Jr Software Engineer Jobs in Ottawa, ON (NOW HIRING)

Software Engineer

Ottawa, ON · On-site

CA$85K - CA$135K/yr

Job Title: Software Engineer Job Location: Ottawa, ON Job Code: 39213 Job Schedule: Day Shift Compensation Range: Between $85,500 - $135,500 CDN annually We are seeking a Software Engineer to ...

Our Software Engineering team is currently developing end-to-end real-time solutions for the public safety and security industries. This includes data interfacing, collection, aggregation, display ...

Software Engineer

Ottawa, ON

CA$85K - CA$135K/yr

Job Title: Software Engineer Job Location: Ottawa, ON Job Code: 39213 Job Schedule: Day Shift Compensation Range: Between $85,500 - $135,500 CDN annually We are seeking a Software Engineer to ...

Software Engineer - Embedded Systems This role focuses on designing and implementing embedded software solutions for complex, multi-network communication systems used in large-scale naval programs.

Strong fundamentals in computer science and software engineering * Ability to take ambiguous problems and turn them into working, maintainable solutions * Comfortable working across different parts ...

As a Senior Software Engineer, you will design, develop, and deliver Control Software and or Firmware for Ultra High-performance electronic products. In addition, you may provide technical leadership ...

Software Engineer

Kanata, ON · On-site

CA$100K - CA$135K/yr

About the Role We'rehiring a Software Engineer who is genuinelystrong on both the front end and the back end, and who has a strong interest inleveragingAI tools to multiply their effectiveness.You ...

Senior Software Developer

Ottawa, ON · Remote

CA$10K - CA$135K/yr

The Job SRC CAN Ltd is seeking a Senior Software Developer to contribute to the design, development, and delivery of next-generation EW Operational Support Systems (EWOSS) including Intelligence ...

Network Management Developer We are seeking a Network Management Software Developer to help design, develop, and evolve advanced network management and operations platforms that support automation ...

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Jr Software Engineer information

What is a Jr software engineer?

Jr Software Engineers are entry-level professionals who assist in designing, developing, and maintaining software applications under the guidance of more experienced engineers. They typically handle coding tasks, debugging, and testing, while learning industry practices and tools on the job. This role is ideal for recent graduates or those new to the field, providing valuable hands-on experience and opportunities for skill development. Jr Software Engineers often work as part of a larger development team and contribute to various phases of the software development lifecycle.

What are the key skills and qualifications needed to thrive as a Jr software engineer, and why are they important?

To thrive as a Jr Software Engineer, you need a solid understanding of programming languages (such as Java, Python, or JavaScript), basic software development principles, and a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and basic debugging tools is commonly required. Strong problem-solving skills, a willingness to learn, and effective teamwork set excellent junior engineers apart. These competencies are essential for contributing to development projects, adapting to evolving technologies, and collaborating efficiently in a technical environment.

What are some common challenges faced by Jr software engineers when starting out, and how can they overcome them?

Jr Software Engineers often encounter challenges such as understanding large codebases, adapting to new development tools, and collaborating effectively within a team. It's common to feel overwhelmed at first, but seeking mentorship from senior engineers, actively participating in code reviews, and dedicating time to learn the team's workflow can help smooth the transition. Asking questions and embracing feedback are crucial for rapid learning and building confidence in the role.

What cities near Ottawa, ON are hiring for Jr Software Engineer jobs?

Cities near Ottawa, ON with the most Jr Software Engineer job openings:

Infographic showing various Jr Software Engineer job openings in Ottawa, ON as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Software Engineer

L3HHCM20

Ottawa, ON • On-site

CA$85K - CA$135K/yr

Full-time

Re-posted 29 days ago


Job description

Job Title: Software Engineer
Job Location: Ottawa, ON
Job Code: 39213
Job Schedule: Day Shift
Compensation Range: Between $85,500 - $135,500 CDN annually

We are seeking a Software Engineer to contribute to the design and development of a next-generation communications management suite. The successful candidate will play a key role in designing robust software architectures, developing microservices-based applications, and delivering solutions that enable the monitoring, control, and management of complex communications networks. Working within a multidisciplinary engineering team, you will tackle challenging problems in distributed computing, networking, and real-time systems while supporting mission-critical operational requirements and simulation environments.


Essential Functions: 

  • Design software solutions and contribute to software designs;
  • Understand and develop microservices solution that operates in a complex, multi-network environment;
  • Conduct independent research and provide new solutions to problems;
  • Interact with systems engineering on technical issues;
  • Debugging software problems for near real-time simulation; and
  • Conduct and prepare presentations and demonstrations.
     

Qualifications:

  • Bachelor's degree in Computer Science/Computer or Software Engineering (or equivalent experience), or Electrical or Systems Engineering with software experience;
  • Minimum 7 years software engineering experience which must include object-oriented design and programming, C#, ASP.NET and .Net Core;
  • Experience building web applications, using web technologies and protocols such as C#, ASP.NET, .Net Core, REST APIs, Http, and SignalR;
  • Experience with client-server and networking protocols, such as SNMP, Websockets, and TCP stack;
  • Experience with relational databases (MySQL or others); and
  • Excellent technical communication of ideas and design.
     

Preferred Additional Skills:

  • Experience with CQRS, Distributed Systems & Akka;
  • Experience designing and developing highly available, fault tolerant and distributed systems;
  • Experience with message broker systems such as RabbitMQ or similar;
  • Strong organizational, analytical, and problem-solving skills combined with a strong technical presence;
  • Work on problems of diverse scope, determining methods and procedures to be used on new assignments, and providing feedback and recommendations to other technical personnel;
  • Able to work independently and in a team-based environment;
  • Experience with web frameworks such as Vue.js or Angular is an asset;
  • Knowledge and /or experiencing in developing or integrating applications is an asset; and
  • Experience in military systems and standards is an asset.

Eligibility Criteria:

  • Must be eligible for registration with the Controlled Goods Program; and
  • Must be eligible to obtain and maintain a government of Canada Reliability status and Secret Level 2/NATO Secret security clearance.
     

L3Harris is proud to be an equal opportunity employer and is committed to treating all of its employees and job applicants with respect and dignity and to maintaining a workplace free from discrimination. Anyone applying for a position will be considered without regard to the following: race, national or ethnic origin, colour, religion, age, nationality, ancestry, ethnicity, gender, sex, sexual orientation, gender identity or expression, marital status, family status, genetic characteristics, disability, citizenship status, or conviction for an offence for which a pardon has been granted or in respect of which a record suspension has been ordered, or any other characteristic that is protected by applicable human rights legislation.

L3Harris maintains a drug-free workplace and conducts pre-employment drug and alcohol testing and background checks, in accordance with applicable law. Such results are only accessible and viewed by individuals at L3Harris who have direct responsibility in the hiring process. If you fail to report for a drug and alcohol test, refuse to undergo such test or test positive for the presence of drugs or alcohol, the hiring process may be concluded or your offer of employment may be rescinded, in L3Harris' sole discretion.

This job is for an existing vacancy