Sr Full Stack Developer

DEFSEC Technologies Inc.; Ottawa; On-site; CAD 80,000 - 100,000; Full time

Job summary

A technology firm specializing in public safety solutions is seeking a Senior Full Stack Developer to join their team in Ottawa, Ontario. You will work on building a groundbreaking SaaS platform for first responders, utilizing your expertise in Kubernetes, Java, and APIs. This full-time role offers the opportunity to make a significant impact in support of public safety efforts. Apply now to become part of a mission-driven team.

Qualifications

• 5+ years of experience in software development with full-stack mindset.
• Expertise in Kubernetes and container orchestration.
• Experience with both SQL and NoSQL database systems.

Responsibilities

• Design and maintain backend microservices and APIs.
• Leverage Kubernetes for application orchestration.
• Collaborate with cross-functional teams on technical requirements.

Skills

Kubernetes orchestration

Java

RESTful APIs

Agile workflows

SQL

NoSQL

Problem-solving

Education

Bachelor's degree in Computer Science or related field

Tools

Git

React

Next.js

Job description

Direct message the job poster from DEFSEC Technologies Inc.

Company Overview

KWESST develops and delivers next-generation technology solutions tailored for public safety professionals, with a focus on first responders and law enforcement. Proudly Canadian, we specialize in creating innovative software, integration, and support services. Join us as we empower those who keep our communities safe.

Job Description

Ready to build a game-changing product from every angle? KWESST is seeking a versatile and skilled Senior Full Stack Developer to join our new Lightning team. Lightning is a cutting-edge SaaS solution designed to empower first responders and law enforcement with reliable, mission-critical tools. You’ll shape it across the stack, from microservices to Kubernetes orchestration and more.

As a key contributor to this fresh, collaborative team, you’ll tackle diverse challenges, ensuring Lightning delivers top-tier performance and usability for those who need it most. This role lets you flex your full-stack expertise, diving into everything from containerized deployments to robust services. If you’re excited to make an impact with modern tech that matters, this is your shot!

Responsibilities

• Design, implement, and maintain backend microservices and APIs using languages like Java or Go.
• Leverage Kubernetes expertise to orchestrate containerized applications, manage deployments, and ensure high availability with K8S operators.
• Build and optimize scalable, secure backend systems to support Lightning’s real-world demands.
• Work with relational database to store and retrieve data efficiently.
• Collaborate with DevOps, frontend, and cross-functional teams to align on technical requirements and architectural decisions.
• Implement monitoring and troubleshooting solutions to keep Lightning reliable under pressure.
• Create and maintain technical documentation, including system designs and coding standards, to keep the team in sync.

Required Qualifications

• A bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent hands-on experience).
• 5+ years of experience in software development, spanning backend, frontend, or mobile with a full-stack mindset.
• Proven expertise with Kubernetes, including orchestration and K8S operator experience.
• Strong skills in Java and familiarity with microservices and RESTful APIs.
• Experience with Agile workflows, CI / CD pipelines (e.g., Git), and building scalable systems.
• Knowledge of database systems (SQL and NoSQL) and data modeling.
• Bonus : Exposure to Android development or Web UI frameworks (e.g., React, Next.js) is a plus.
• Exceptional problem-solving skills and a proactive approach to tackling diverse challenges.
• Excellent verbal and written communication skills to collaborate across teams and articulate technical ideas.

Why Join Us?

This isn’t just a job, it’s a mission to support first responders and law enforcement with Lightning, a groundbreaking SaaS platform that transforms their work. You’ll be part of a dynamic new team, building a product from scratch and touching every layer of the stack. If you’re ready to flex your full-stack skills on something meaningful, we’d love to hear from you!

Seniority level

Seniority level

Mid-Senior level

Employment type

Employment type

Full-time

Job function

Defense and Space Manufacturing

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