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Senior Software Developer Jobs in Gloucester, ON

Who you are: You're a passionate software developer who wants your work to make a difference. You have a strong background in cybersecurity and an interest in DNS and networking technologies. Youre ...

Who you are: You're a passionate software developer who wants your work to make a difference. You have a strong background in cybersecurity and an interest in DNS and networking technologies. You're ...

Reporting to the Senior Staff Software Developer, this role will leverage software engineering skillsets to support the SRC enterprise portfolio of signals intelligence (SIGINT) and EW suite of ...

Software Developer

Ottawa, ON · On-site

CA$96K - CA$118K/yr

As a Software Developer, you will * 5 plus years of software development experience * Familiar with cross-platform desktop application development environments ( Windows, MacOS, Linux ) and ...

Software Developer

Ottawa, ON · On-site

CA$96K - CA$118K/yr

As a Software Developer, you will * 5 plus years of software development experience * Familiar with cross-platform desktop application development environments ( Windows, MacOS, Linux ) and ...

Showing results 21-40

Senior Software Developer information

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

What are the most commonly searched types of Software Developer jobs in Gloucester, ON?

The most popular types of Software Developer jobs in Gloucester, ON are:

What cities near Gloucester, ON are hiring for Senior Software Developer jobs?

Cities near Gloucester, ON with the most Senior Software Developer job openings:

Infographic showing various Senior Software Developer job openings in Gloucester, ON as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Senior Software Developer (12 months)

CIRA

Ottawa, ON • On-site

Other

This job post has expired today. Applications are no longer accepted.


Job description

Salary: $117,000.000 - $130,000.000

Join the Cyber-DNS team at CIRA and play a key role in advancing Canadas cybersecurity and DNS infrastructure! Our Cyber-DNS team is dedicated to protecting Canadians online by delivering cutting-edge solutions.


Youll tackle projects that make a real differenceincluding empowering users with CIRA Cybersecurity Awareness Training, securing household and enterprise networks through CIRA Canadian Shield and DNS Firewall, or defending against DDoS attacks with Anycast DNS. This is your chance to be part of a team thats shaping the future of digital security and DNS technology, making a meaningful difference in how Canadians and global citizens alike experience and trust the internet!


Who you are:


You're a passionate software developer who wants your work to make a difference. You have a strong background in cybersecurity and an interest in DNS and networking technologies. Youre motivated by the real-world impact of keeping Canadians safe online, stay current on emerging threats, and are excited to apply innovative and creative solutions to this mission.


You thrive in a collaborative environment that values open discussion, shared problem solving and diverse perspectives. You enjoy tackling complex problems as a team and learning from your colleagues. Beyond your technical skills, you actively share your knowledge, mentor those around you and champion initiatives to improve our software quality, resiliency and security.


What you'll do:


  • Lead the design and development of extended detection and response (XDR) and DNS-based cybersecurity products and backend services using modern programming languages and frameworks.
  • Turn security and business requirements into secure, scalable software solutions.
  • Implement secure coding practices aligned with industry standards such as the Open Worldwide Application Security Project (OWASP).
  • Perform code reviews and mentor junior and intermediate developers to uphold software quality and security standards.
  • Work closely with cybersecurity analysts, DevOps and infrastructure teams across CIRA.
  • Support continuous integration and continuous delivery (CI/CD) pipelines, along with automated testing, deployment and monitoring in cloud and hybrid environments.
  • Investigate and resolve complex issues related to application performance, security vulnerabilities and system interoperability.
  • Participate in architecture and design discussions to inform system evolution and technical decision-making.
  • Write and maintain clear technical documentation for systems, processes and deployments.
  • Participate in a rotating 24/7 on-call schedule to support service uptime and incident response.

What you bring:


  • Bachelor's degree in computer science, software engineering or a related technical field.
  • 7+ years of professional experience in software development.
  • Advanced proficiency in programming languages such as Java (Spring or Play Framework) or Python.
  • Proficiency in Linux environments and scripting with Bash for automation and troubleshooting.
  • Strong knowledge of secure application design, threat mitigation and authentication and authorization mechanisms.
  • Experience building and supporting CI/CD pipelines using tools such as GitLab CI, Jenkins or TeamCity.
  • Familiarity with cloud-native development, containerization technologies such as Docker and infrastructure-as-code tools such as Terraform or Ansible.
  • Understanding of DNS, networking protocols and their role in internet infrastructure.
  • Experience working with relational and non-relational databases such as PostgreSQL, MySQL, DynamoDB or similar technologies.
  • Understanding of cybersecurity concepts and technologies, including endpoint detection and response (EDR), extended detection and response (XDR), vulnerability scanners, firewalls and frameworks such as MITRE ATT&CK.


Who we are:


At CIRA, were driven by a passion to make a positive impact on Canadas digital future. Were not just asking, What more can we do?were actively exploring new frontiers to enhance and secure the internet for all Canadians. Our recognition as one of the National Capital Regions Top Employers for ten years is a testament to our vibrant culture. We believe in fostering an environment where collaboration and candour are second nature and where diverse perspectives are integral to our success, because we know that great ideas come from everywhere. If youre passionate about innovation and ready to make a difference in a dynamic field, join us and help shape the future of the internet!

CIRA embraces a blend of remote and IRL in-office work to keep our team connected and engaged. Our Ottawa headquarters is a hub for regular events and social activities that bring our team together, encouraging a strong sense of community within our organization. No matter where you work from, you'll always feel part of our vibrant team and our shared mission.

At CIRA, people remain at the centre of our recruitment process. While CIRA uses recruitment platforms that include artificial intelligence-enabled features, which may be used to support administrative processes or skills-based assessments, these features are intended to assist our recruitment activities and do not replace human judgment. All applicant screenings, interviews, evaluations and selection decisions are conducted by our staff. Artificial intelligence is not used to make autonomous or final hiring decisions.

This posting is for an existing vacancy. CIRA is committed to fair, inclusive and accessible recruitment practices. Accommodations are available upon request throughout the recruitment, assessment and selection process. If you require any assistance or accommodation, please contact us at peopleandculture@cira.ca.


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Joignez-vous lquipe Cyber-DNS de CIRA et jouez un rle cl pour faire progresser linfrastructure de cyberscurit et de DNS au Canada! Avec ses solutions innovantes, notre quipe Cyber-DNS sengage protger les Canadiennes en ligne.


Vous vous occuperez de projets qui entranent des rsultats tangibles, tels que la formation en cyberscurit de CIRA pour habiliter les utilisateurrices, la scurisation des rseaux nationaux et dentreprise grce au Bouclier canadien de CIRA et au pare-feu DNS Firewall, ou la dfense contre les attaques DDoS avec le serveur DNS Anycast. Voici votre chance de faire partie dune quipe qui faonne lavenir de la scurit numrique et de la technologie DNS, et qui amliore de faon importante lexprience et la confiance de la population canadienne et des citoyennes du monde entier sur Internet!


Votre profil:


Vous tes une dveloppeureuse de logiciel passionne qui souhaite que son travail ait un rel impact. Vous possdez une solide exprience en cyberscurit et vous vous intressez aux technologies DNS et de rseautage. Vous tes motive par les retombes concrtes de votre travail pour assurer la scurit des Canadiennes en ligne, vous vous tenez au fait des menaces mergentes et vous avez hte de mettre profit des solutions cratives et novatrices pour soutenir cette mission.


Vous excellez dans un environnement collaboratif o les changes ouverts, la rsolution collective de problmes et la diversit des points de vue sont valoriss. Vous aimez aborder des problmes complexes en quipe et apprendre de vos collgues. Au-del de vos comptences techniques, vous partagez activement vos connaissances, encadrez vos collgues et dfendez des initiatives visant amliorer la qualit, la rsilience et la scurit de nos logiciels.


Vos tches:


  • Diriger la conception et le dveloppement de produits de cyberscurit fonds sur la dtection et la rponse tendues (XDR), ainsi que de services dorsaux axs sur le DNS, laide de langages de programmation et de cadres de dveloppement modernes.
  • Transformer les exigences de scurit et daffaires en solutions logicielles scurises et volutives.
  • Mettre en uvre des pratiques de codage scuritaire conformes aux normes de lindustrie, notamment celles de lOpen Worldwide Application Security Project (OWASP).
  • Effectuer des rvisions de code et encadrer les dveloppeurses dbutantes et intermdiaires afin de maintenir les normes de qualit et de scurit des logiciels.
  • Collaborer troitement avec les quipes danalystes en cyberscurit, de DevOps et dinfrastructure de CIRA.
  • Soutenir les pipelines dintgration continue et de livraison continue (CI/CD), ainsi que les processus automatiss de tests, de dploiement et de surveillance dans des environnements infonuagiques et hybrides.
  • Enquter sur les problmes complexes lis aux performances des applications, aux failles de scurit et linteroprabilit des systmes, et les rsoudre.
  • Participer aux discussions sur larchitecture et la conception afin dclairer lvolution des systmes et la prise de dcisions techniques.
  • Rdiger et tenir jour une documentation technique claire pour les systmes, les processus et les dploiements.
  • Participer une rotation de garde 24heures sur 24, 7jours sur 7, afin dassurer la disponibilit des services et de soutenir les interventions en cas dincident.

Vos antcdents:


  • Baccalaurat en informatique, en gnie logiciel ou dans un domaine technique connexe.
  • Au moins sept ans dexprience professionnelle en dveloppement de logiciels.
  • Matrise approfondie des langages de programmation tels que Java (Spring ou Play Framework) ou Python.
  • Matrise des environnements Linux et des scripts Bash pour lautomatisation et le dpannage.
  • Solide connaissance de la conception dapplications scurises, de lattnuation des menaces ainsi que des mcanismes dauthentification et dautorisation.
  • Exprience de la mise en place et du soutien de pipelines CI/CD laide doutils comme GitLab CI, Jenkins ou TeamCity.
  • Connaissance du dveloppement infonuagique natif, des technologies de conteneurisation comme Docker et des outils dinfrastructure en tant que code, comme Terraform ou Ansible.
  • Bonne comprhension du DNS, des protocoles rseau et de leur rle dans linfrastructure Internet.
  • Exprience de travail avec des bases de donnes relationnelles et non relationnelles, comme PostgreSQL, MySQL, DynamoDB ou des technologies similaires.
  • Bonne comprhension des concepts et des technologies de cyberscurit, notamment la dtection et la rponse aux terminaux (EDR), la dtection et la rponse tendues (XDR), les analyseurs de vulnrabilits, les pare-feu et des rfrentiels comme MITRE ATT&CK.


propos de nous :


Chez CIRA, nous sommes motives par la passion davoir un impact positif sur lavenir numrique du Canada. Nous ne nous contentons pas de demander: Que pouvons-nous faire de plus? Nous explorons activement de nouvelles frontires afin damliorer et de scuriser Internet pour la population canadienne. CIRA est reconnue comme lun des meilleurs employeurs de la rgion de la capitale nationale depuis dixans, ce qui tmoigne de notre culture dynamique. Nous croyons quil est important de favoriser un environnement o la collaboration et la franchise sont une seconde nature et o la diversit des points de vue fait partie intgrante de notre succs, car nous savons que les grandes ides viennent de partout. Si vous tes passionne par linnovation et prte faire une diffrence dans un domaine dynamique, joignez-vous nous et contribuez faonner lavenir dInternet!

CIRA favorise un mlange de travail distance et de travail au bureau pour que notre quipe reste connecte et engage. Situ Ottawa, notre sige social est un carrefour pour les vnements rguliers et les activits sociales qui rassemblent les membres de notre quipe, favorisant un fort sentiment dappartenance au sein de notre entreprise. Peu importe o vous travaillez, vous aurez toujours le sentiment de faire partie de notre quipe dynamique et de partager notre mission commune.

Chez CIRA, les personnes restent au cur de notre processus de recrutement. Bien que CIRA utilise des plateformes de recrutement dotes de fonctionnalits bases sur lintelligence artificielle, qui peuvent tre utilises pour faciliter les processus administratifs ou les valuations bases sur les comptences, ces fonctionnalits ont pour but daider nos activits de recrutement et ne remplacent pas le jugement humain. Toutes les prslections, les entrevues, les valuations et les dcisions de slection sont effectues par notre personnel. Lintelligence artificielle nest pas utilise pour prendre des dcisions autonomes ou dfinitives en matire dembauche.

Cette offre demploi concerne un poste actuellement vacant. CIRA sengage adopter des pratiques de recrutement quitables, inclusives et accessibles. Des mesures dadaptation sont disponibles sur demande tout au long du processus de recrutement, dvaluation et de slection. Si vous avez besoin daide ou de mesures dadaptation, veuillez communiquer avec nous ladressepeopleandculture@cira.ca.