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Senior Backend Java Developer

Cosqube
Montreal, Quebec, CAPosted Yesterday

Role Overview

Cosqube is hiring a Senior Backend Java Developer. This is a contract role in Montreal. Part of Cosqube's Backend hiring, posted yesterday. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

Salary is not disclosed in this posting. Market median for Senior-level Backend roles is $160k-$216k (based on 114 comparable listings). Many employers share specifics during the interview process or after an initial screen.

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

JavaKotlinScalaKubernetesSparkCI/CDDevOpsMicroservices

Job description

Position: Senior Backend Java Developer

Location: Montreal, QC( onsite + INperson interview )

Duration: 12 months

Roles and Responsibilities:

  • Provide technical leadership and vision for software development projects, setting high standards for quality and innovation.
  • Define and oversee the technical architecture and roadmap for large-scale, mission-critical systems.
  • Align departmental goals and objectives with broader business priorities, ensuring shared vision and clarity.
  • Lead and mentor a team of software engineers through coaching, feedback, and performance evaluations.
  • Manage resource allocation, project timelines, and budgets to ensure successful delivery of software initiatives.
  • Foster a culture of collaboration, innovation, and continuous learning within the engineering team.
  • Build and maintain strong relationships with key stakeholders to drive project success and effective communication.
  • Oversee project execution to ensure quality, reliability, and timely delivery.
  • Drive recruitment, development, and retention of top technical talent.
  • Collaborate with senior leadership to shape and communicate the organization’s technology strategy and roadmap.
  • Represent the software engineering team in cross-functional discussions and planning sessions to support strategic objectives.

What you’ll bring to the role: (Skills Required)

  • Bachelor's or master's degree in computer science, Engineering, or a related field (or equivalent experience).
  • 7–15 years of expert-level experience in the Java ecosystem, including deep understanding of memory management and the latest Java language features.
  • Proven record of architecting and delivering enterprise-grade applications.
  • Mastery of Object-Oriented Design principles and architectural patterns.
  • Demonstrated experience designing complex, large-scale distributed systems and microservices.
  • Advanced DevOps expertise, including:
  • CI/CD best practices
  • Infrastructure automation
  • Container orchestration (e.g., Kubernetes)
  • Cloud infrastructure management
  • Proficiency in managing source control strategies for large teams.
  • Experience with database performance tuning, data modeling, and multi-environment deployment.
  • Ability to align technology initiatives with business objectives and understand the financial aspects of technology decisions.
  • Nice to Have Skills:
  • Experience with multiple JVM languages (e.g., Kotlin, Scala).
  • Experience with serverless architectures.
  • Experience with big data technologies (e.g., Hadoop, Spark).

About Cosqube

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Cosqube

cosqube.com

BackendOn-site

1 other open role at Cosqube on TryApplyNow.

Frequently Asked Questions

How do I apply for the Senior Backend Java Developer position at Cosqube?

Use the Apply button above to submit your application directly to Cosqube. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Senior Backend Java Developer position at Cosqube located?

This position is based in Montreal. Cosqube has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Senior Backend Java Developer at Cosqube earn?

Cosqube has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Backend Java Developer role at Cosqube posted?

This role was posted on July 18, 2026 (yesterday). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Senior Backend Java Developer role at Cosqube require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Cosqube lists their specific requirements in the description below, so review the must-have qualifications closely before applying.

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