Purolator Courier

Technology Developer

Purolator Courier • $80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in computer science or equivalent experience
  • 5+ years of strong hands-on experience in Java backend development
  • Proficient in automated testing frameworks such as JUnit
  • Strong SQL skills with practical PostgreSQL experience
  • Experience in designing event-driven systems and working with AWS

Responsibilities

  • Design and build backend services in Java with a focus on maintainability
  • Create event-driven services with effective messaging and streaming flows
  • Maintain a first-class standard for automated testing throughout development
  • Apply design patterns judiciously in architectural decisions
  • Collaborate on API designs with other teams
  • Monitor and address production service incidents
  • Participate in code reviews to enhance overall code quality

Benefits

  • Opportunity for ownership of services end-to-end
  • Focus on deep backend development without dispersing to frontend
  • Collaborative culture valuing quality code and design
  • Access to work with high-volume logistics and tracking systems
  • Engagement in deep learning and continuous development in Java technologies
Full Job Description
Description

This role will build and maintain the backend services behind our high-volume logistics and tracking platform. This critical service feeds systems where correctness, throughput, and reliability actually matter because real shipments depend on them.

This is a backend-first role for someone who wants to go deep on the server side, not spread thin across the stack. You'll own services end to end: design, implementation, tests, and the pipeline that ships them. We value depth. We'd rather hire someone who is genuinely strong on the backend and honest about the limits of their front-end experience than someone who claims to do everything. If you're the kind of engineer who cares about test coverage, sound design, and writing code the next person can actually maintain, you'll fit here.

Responsibilities

  • Design and build backend services in Java, with an emphasis on clean, maintainable architecture
  • Design and build event-driven services and the messaging/streaming flows that connect them
  • Write and maintain automated tests (unit, intergration, and service-level) as a first-class part of your work not as an afterthought
  • Apply established design patterns appropriately (and know when not to reach for one)
  • Work with AWS-hosted infrastructure and CI/CD pipelines to deliver changes safely and frequently
  • Model, query, and tune data in PostgreSQL which means writing SQL you can reason about, not just ORM output
  • Collaborate on API design and contracts with other teams consuming your services
  • Support and operate the services you build by investigating production issues, own incidents in your area, and keep things healthy in the long run
  • Participate in code review, raise the bar on quality, and help keep the codebase honest


Education

  • Bachelor's degree in computer science or equivalent work experience


Experience

What we're looking for

  • Strong hands-on Java backend experience meaning you can design a non-trivial service, not just add endpoints to an existing one
  • Practical experience with automated testing frameworks and a genuine habit of writing tests (JUnit and similar; familiarity with mocking, test data, and integration testing)
  • Solid grasp of software design patterns and object-oriented design, with the judgment to apply them proportionally
  • Strong SQL ability and hands-on PostgreSQL experience including schema design, query tuning, and understanding what the database is actually doing
  • Experience designing and building event-driven systems (message queues, event streams, async processing)
  • Working knowledge of AWS (common services, deployment, how your code runs in the cloud)
  • Comfort with CI/CD and modern build/deployment workflows
  • Ability to reason about performance, concurrency, and failure in a high-volume system


Nice to have

  • Front-end experience (React, Angular, or similar) is useful when a task spans the stack
  • Experience with Infrastructure as Code (e.g. Terraform)
  • Background in logistics, tracking, or other high-throughput transactional domains
  • Experience with newer Java versions (21+) and modern language features


Language Requirement: Proficiency in English is required for this position due to the frequent communications that must be conducted in English with various stakeholders. This requirement is justified by the nature of the responsibilities and operational needs.

POSTING DETAILS
Location:
530 - Corporate Working Conditions: Office Environment

Reports to: Lead Technology Developer

About Purolator Courier

Purolator Courier is a Canadian courier and logistics company that provides shipping and delivery services to businesses and individuals. The company was founded in 1960 and is headquartered in Mississauga, Ontario. Purolator operates a network of over 170 shipping centers and employs over 12,000 people across Canada. The company offers a range of services, including express shipping, freight, and logistics solutions. Purolator is committed to sustainability and has implemented several initiatives to reduce its environmental impact.
Learn more about Purolator Courier
Size
12,000 employees
Industry
Founded
1960

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