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Senior Java Jobs in Ottawa, ON (NOW HIRING)

As a Senior Software Developer at Halogen Software, you will have the opportunity to be part of an ... Java and enterprise Java development tools (IntelliJ preferred) and APIs. * Java EE application ...

The Senior Data Engineer is responsible for designing, developing, and supporting databases that ... Strong Python (or Golang/Java/Scala) * Knowledge of Git/GitHub, CI/CD, IaC (CloudFormation ...

Your New Role CNN is seeking a Sr.AnalyticsDeveloperwithsubject matterexpertisein analytic ... Strong programming experience across at least two of Java, Go, Python, and SQL * Demonstrated ...

We are looking for an experienced Senior Quality Automation Engineer for our client. This is a ... Prior experience creating automated testing with Java and Javascript. * Experienced utilizing ...

We are looking for an experienced Senior Quality Automation Engineer for our client. This is a ... Prior experience creating automated testing with Java and Javascript. * Experienced utilizing ...

We are looking for an experienced Senior Quality Automation Lead for our client. This is a ... Prior experience creating automated testing with Java and Javascript. * Experienced utilizing ...

We are looking for an experienced Senior Quality Automation Lead for our client. This is a ... Prior experience creating automated testing with Java and Javascript. * Experienced utilizing ...

Senior JavaScript Full Stack Developer Team: Development Team Location: Ottawa, Ontario About Rebel ... NET Framework and/or Java for legacy system maintenance. * Strong command of Git and collaborative ...

We're looking for a passionate Senior Full-Stack Developer who wants to make a difference in a fast ... Programming experience in Python, JavaScript, C#, Java, or another object-oriented language. * An ...

Your Role Accountabilities Design, implement, and maintain Java-based backend services using Spring ... senior engineers Contribute to documentation and shared understanding of system behavior, data ...

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Senior Java information

See Ottawa, ON salary details

$41.9K

$120.1K

$172.9K

How much do senior java jobs pay per year?

As of May 31, 2026, the average yearly pay for senior java in Ottawa, ON is $120,145.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,548.00 and $138,606.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need deep expertise in Java programming, object-oriented design, and a strong grasp of software development principles, typically backed by a computer science degree or relevant experience. Experience with tools like Spring Framework, Hibernate, Maven, Git, and proficiency in using integrated development environments (IDEs) such as IntelliJ IDEA or Eclipse is essential, and certifications like Oracle Certified Professional (OCP) can be beneficial. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers set top performers apart. These skills ensure the delivery of robust, maintainable code and foster high-performing teams capable of tackling complex projects.

How do Senior Java Developers typically collaborate with cross-functional teams on large-scale projects?

Senior Java Developers often work closely with product managers, QA engineers, UI/UX designers, and DevOps teams to ensure successful project delivery. They participate in architectural discussions, provide technical guidance, and help translate business requirements into scalable software solutions. Regular communication and agile ceremonies like sprint planning and code reviews are common, allowing them to align development efforts with overall business goals and quickly address challenges. This collaborative environment helps Senior Java Developers mentor junior team members and foster a culture of continuous improvement.

What does a Senior Java Developer do?

A Senior Java Developer is responsible for designing, developing, and maintaining complex Java-based applications. They often lead development teams, make architectural decisions, and ensure code quality through best practices. Their role also includes mentoring junior developers, participating in code reviews, and collaborating with stakeholders to deliver robust software solutions. Senior Java Developers are expected to have extensive experience with Java frameworks, databases, and deployment processes.

Is Java still in demand in 2026?

Java remains a highly in-demand skill for senior Java developers due to its widespread use in enterprise applications, Android development, and backend systems. The language's stability, extensive libraries, and continued updates ensure its relevance in the software industry through 2026 and beyond.

What is the difference between Senior Java vs Java Developer?

AspectSenior JavaJava Developer
Required CredentialsBachelor's degree, extensive Java experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, Java knowledge, entry to mid-level certifications
Work EnvironmentTeam lead, project architect, involved in design and mentoringDevelopment team member, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software agencies, enterprise sectors

Senior Java professionals typically have more experience, leadership responsibilities, and advanced certifications compared to Java Developers. They often lead projects and mentor junior staff, while Java Developers focus on coding and implementation. Both roles are vital in software development, but the senior position involves greater strategic input and oversight.

What are the most commonly searched types of Java jobs in Ottawa, ON? The most popular types of Java jobs in Ottawa, ON are:

Senior Software Developer

COMTECH TELECOMMUNICATIONS

Gatineau, QC • On-site

Full-time

Posted 18 days ago


Job description

Job Title: Senior Software Developer

Department: Research & Development

Reports To: Manager, Software Engineering

Revision Date: 5/11/2026

Location: Gatineau, QC

Level: T3

Company Overview

Comtech Telecommunications Corp. is a leading global technology company providing terrestrial and wireless network solutions, next-generation 9-1-1 emergency services, satellite and space communications technologies, and cloud-native capabilities to commercial and government customers around the world. Our unique culture of innovation and employee empowerment unleashes a relentless passion for customer success. With multiple facilities located in technology corridors throughout the United States and around the world, Comtech leverages our global presence, technology leadership, and decades of experience to create the world's most innovative communications solutions.

Purpose:

Software design and implementation for call processing as well as operation, administration, maintenance and provisioning (OAM&P) of call management systems on Windows platforms.

Responsibilities:

  • Design software for communications equipment on Windows platforms using:
    • OO design, C# for Windows, .NET environment, C++, TCL, Bash shell
    • Socket programming
    • VoIP, SIP Protocol
  • Develop and adapt extensible client-server-based User Interfaces and Web applications in .NET and Java.
  • Develop, design, code, unit test, debug, integrate, document and participate in full life cycle of software development activities using Agile methodology.
  • Manage source code and tickets with git/Jira.
  • Attend meetings, report progress, take technical leadership and ownership of assigned design work.

Requirements:

  • Experience with high availability systems development and maintenance.
  • Experience with call processing.
  • Keen interest in real-time programming and communication protocols
  • Fluent with OO design, client-server architecture, Web service programming.
  • Independent self-starter, positive work ethic.
  • Comfortable in a team environment.
  • Excellent verbal and written communication skills.
  • Language: English or French, bilingual will be considered as an asset.
  • Experience with telephony and NENA standards.
  • Experience with cloud native design, stateless services, in-memory databases, store-and-forward queues.
  • Experience with Mapping or GIS (Geographic Information System) application development.

Education:

  • University degree in Electrical Engineering, Computer Engineering, or Computer Science

This position requires compliance with Comtech’s Drug-Free Workplace Program. Candidates must successfully complete a pre-employment drug screening as a condition of hire. Employees may be subject to random, reasonable suspicion, and post-incident testing. Illegal drug use — including marijuana, regardless of state law — is disqualifying under federal adjudicative guidelines and DoD DFARS requirements.

The pay range reflects the expected base salary for this position. Final compensation will be based on role, level, skills, experience, and geographic location.

Comtech Telecommunications Corp. is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability protected veteran status or other characteristics protected by law. 


Titre de poste : Développeur logiciel principal

Département : Recherche et développement

Compte à : Gestionnaire, Génie logiciel

Date de révision : 11/05/2026

Emplacement : Gatineau, QC

Niveau : T3

Aperçu de l'entreprise

Comtech Telecommunications Corp. est une entreprise technologique mondiale de premier plan offrant des solutions de réseaux terrestres et sans fil, des services d'urgence 9-1-1 de nouvelle génération, des technologies de communication par satellite et spatiales, ainsi que des capacités cloud-native à des clients commerciaux et gouvernementaux partout dans le monde. Notre culture unique d'innovation et d'autonomisation des employés libère une passion infatigable pour la réussite client. Avec de nombreuses installations situées dans des corridors technologiques à travers les États-Unis et le monde, Comtech met à profit sa présence mondiale, son leadership technologique et des décennies d'expérience pour créer les solutions de communication les plus innovantes au monde.

Objectif :

La conception et la mise en œuvre logicielles pour le traitement des appels ainsi que pour l'exploitation, l'administration, la maintenance et le provisionnement (OAM&P) des systèmes de gestion d'appels sur les plateformes Windows.

Responsabilités :

  • Concevoir des logiciels pour équipements de communication sur plateformes Windows en utilisant :
    • Conception OO, C# pour Windows, environnement .NET, C++, TCL, shell Bash
    • Programmation par socket
    • VoIP, protocole SIP
  • Développer et adapter des interfaces utilisateur extensibles basées sur client-serveur ainsi que des applications Web en .NET et Java.
  • Développer, concevoir, coder, tester unitairement, déboguer, intégrer, documenter et participer à l'ensemble du cycle de vie des activités de développement logiciel en utilisant la méthodologie Agile.
  • Gérer le code source et les tickets avec git/jira.
  • Assistez aux réunions, faites un rapport sur les progrès, assumez le leadership technique et assumez la responsabilité du travail de conception assigné.

Exigences :

  • Expérience en développement et maintenance de systèmes à haute disponibilité.
  • Expérience avec le traitement des appels.
  • Un vif intérêt pour la programmation en temps réel et les protocoles de communication
  • Maîtrise la conception OO, l'architecture client-serveur, la programmation de services Web.
  • Indépendante et autonome, éthique de travail positive.
  • À l'aise dans un environnement d'équipe.
  • Excellentes compétences en communication verbale et écrite.
  • Langue : anglais ou français, le bilingue sera considéré comme un atout.
  • Expérience avec la téléphonie et les normes NENA.
  • Expérience avec la conception native du cloud, les services sans état, les bases de données en mémoire, les files d'attente stock-and-forward.
  • Expérience en développement d'applications en cartographie ou SIG (Systèmes d'information géographique).

Éducation :

  • Diplôme universitaire en génie électrique, génie informatique ou informatique

Ce poste exige la conformité au programme de milieu de travail sans drogue de Comtech. Les candidats doivent réussir un dépistage de drogues préalable à l'embauche comme condition d'embauche. Les employés peuvent être soumis à des soupçons aléatoires et raisonnables, ainsi qu'à des tests post-incident. La consommation illégale de drogues — y compris la marijuana, peu importe la loi provinciale — est disqualifiante selon les directives fédérales et les exigences du DoD DFARS.

La fourchette salariale reflète le salaire de base attendu pour ce poste. La rémunération finale sera basée sur le rôle, le niveau, les compétences, l'expérience et la localisation géographique.

Comtech Telecommunications Corp. est un employeur offrant l'égalité des chances. Les candidats qualifiés seront considérés pour un emploi sans distinction de race, couleur, religion, sexe, origine nationale, statut de vétéran protégé en situation de handicap ou autres caractéristiques protégées par la loi.