Principal Developer (Java)

Tecsys Inc.; Montreal; On-site; CAD 90,000 - 120,000; Full time

Job summary

A leading supply chain solutions provider is seeking a Principal Java Developer in Montreal. You will design and develop impactful backend solutions, mentor teams, and push for best practices. Ideal candidates have over 7 years of experience, excellent communication skills, and a strong background in Java and Spring Boot. This full-time role offers a collaborative environment and opportunities for growth.

Qualifications

• 7+ years of experience building Java-based backend systems in production environments.
• Deep understanding of object-oriented design and microservices architecture.
• Excellent communication and collaboration skills.

Responsibilities

• Design, develop, and deploy high-quality backend solutions using Java.
• Conduct code reviews and mentor other developers.
• Evaluate and introduce emerging technologies.

Skills

Java

Spring Boot

Microservices

RESTful services

Leadership

Java 11+

Git

PostgreSQL

Collaboration

Verbal English Communication

Education

Degree in Computer Science or related field

Tools

JUnit

Mockito

Maven

IntelliJ

Eclipse

Job description

Having recognized the advantages of remote work, such as improved employee morale, increased productivity, and positive impacts on both employee wellbeing and the environment, we are proud to be a digital‑first company. Our digital‑first work environment, combined with our conveniently located offices and collaborative workspaces, provides our team the freedom and flexibility to work in the most productive way for them.

About Us

Tecsys is a fast‑growing innovator offering supply chain solutions to industry leading healthcare systems, hospitals, and pharmacy businesses to distributors, retailers, and 3PLs. We work with industry leaders to transform their supply chains through technology. If you thrive on tackling interesting challenges with continuous learning opportunities, then Tecsys could be a good fit for you!

Position

We are looking for a Principal (Java) Developer. You will be part of a mission‑driven team building impactful solutions across healthcare, retail, and complex distribution. As a Principal (Java) Developer, your decisions will guide the evolution of our systems and influence the success of multiple teams.

We're collaborative, curious, and passionate about building systems that make a difference. If you're equally comfortable writing code, mentoring engineers, and aligning technology with real‑world needs — we'd love to meet you.

Responsibilities

• Design, develop, and deploy high‑quality backend solutions using Java (Spring Boot, microservices)
• Serve as a technical reference across the team—conducting code reviews, driving design discussions, and mentoring other developers
• Evaluate and introduce emerging technologies where they add value to our platform
• Translate complex business needs into scalable technical solutions in collaboration with product and business stakeholders
• Own and advocate for best practices in performance, scalability, observability, and security
• Partner with DevOps and Operations teams to ensure software is production‑ready and maintainable
• Participate in agile ceremonies, lead retrospectives, and champion continuous improvement in team processes and outcomes
• Promote a culture of collaboration, innovation, and accountability

Requirements

• 7+ years of experience building Java‑based backend systems in production environments
• Deep understanding of object‑oriented design, microservices architecture, and RESTful services
• Strong experience with Spring Boot, Java 11+, and testing frameworks (JUnit, Mockito)
• Solid foundation in RDBMS (PostgreSQL, Oracle, SQL Server) and familiarity with NoSQL databases (a plus)
• Experience with Git, Maven, and modern IDEs (IntelliJ, Eclipse)
• Demonstrated success in designing and delivering scalable solutions within complex, distributed system architectures
• Proven leadership skills—able to inspire, mentor, and bring clarity to complex problems
• Strong business orientation: you align engineering efforts with product outcomes and organizational goals
• Excellent communication and collaboration skills—connector between teams, roles, and disciplines
• Degree in Computer Science, Software Engineering, or a related field
• Strong proficiency in both written and verbal English communication essential for effective correspondence with clients, suppliers, business partners, and colleagues beyond the province of Quebec

Nice to Have

• Front‑end experience with HTML5, TypeScript/JavaScript, CSS3, Vue.js
• Experience with Docker, Kubernetes, or other containerization technologies
• Familiarity with AWS or other cloud platforms (Azure, GCP); experience with serverless a plus
• Understanding of CI/CD pipelines, observability tooling, and modern DevOps practices
• Exposure to healthcare, logistics, or supply chain domains
• Experience building or consuming SOAP APIs (legacy integrations)
• Bilingualism (English/French) is an asset in our bilingual environment

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Education and Training

Industries

• Non‑profit Organizations and Primary and Secondary Education