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Senior Back End Developer

UniUni (Uni Express Inc.)
4.4 out of 5
Vancouver, BC
$77,000–$100,500 a year - Full-time


Vancouver, BC

Pulled from the full job description

  • Casual dress
  • Company events
  • Dental care
  • Discounted or free food
  • Extended health care
  • Life insurance
  • On-site gym

Full job description

Who Are We?

UniUni is a Canadian courier for e-commerce and logistics companies that is full of energy and determination. Our team and technology elevates and streamlines fulfillment services in Canada to meet customers' demanding expectations. With tens of thousands of parcels fulfilled daily, we have established ourselves as a leader in the last mile delivery and e-commerce fulfillment operation in Canada.

What Do We Offer?

At UniUni, we offer exciting opportunities to our employees to achieve their career goals. We value lateral moves as much as vertical promotions – we believe all roles should develop your skills, broaden your experience, and help you build a rewarding career. We know you are not only seeking a job, but a career to pursue. If you are ready to join UniUni’s dynamic team, while working hard and having fun doing it, we invite you to apply online and let us know how you can be part of our success story.


  • In collaboration with the product owner and other Dev team members, designing, developing, testing, and deploying new features and functionalities with industrial best practices.
  • Take ownership of the solution design and development for the critical components
  • Evaluate, implement, and enforce software development best practices
  • Participate in the technical support, troubleshooting and root cause investigation
  • Participate in the system integration by providing technical insights, including estimation and technical proposals
  • Investigating and fixing bugs, refactoring, and improving performance.
  • Mentoring less-senior developers on the team and providing thoughtful, constructive feedback on pull requests and design documents.
  • Participating in Agile / Scrum development processes.
  • Developing and maintaining the essential technical documents.
  • Offering technical support for web applications and mobile apps.
  • Keeping mindset of continuous learning.


  • Degree in Computer Science, Engineering, or a related field
  • 5+ years of experience in backend development
  • Proficiency in designing, developing, and testing software in PHP Laravel Framework; open to using multiple languages
  • Experience in PHP Laravel or core Java and implementing solutions that handle high availability and concurrency with low latency requirements.
  • Experience in MYSQL and able to optimize SQL queries performance.
  • Experience with Docker and knowing K8S as a bonus.
  • Experience designing and developing applications in an Amazon Web Services and make use of Google APIs
  • Experience deploying and supporting software across the entire Continuous Delivery life-cycle as a plus
  • Sound SDLC and practices and tooling experience - version control, CI/CD, and configuration management tools
  • Ability to reason about performance, security, and process interactions in complex distributed systems
  • Excellent communications skills, with the ability to collaborate well with both technical and non-technical audiences, both written and orally
  • The ability to understand and effectively debug both new and existing software
  • Experience meeting demands for high availability, low latency, and scale
  • Experience working with remote / distributed teams and projects

Compensation and Benefits

The hiring range for this position ranges from CA$90,000 - CA$110,000. Your actual level and salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

All interested applicants are requested to submit a resume. We thank all applicants in advance for their interest but only those selected for the interview process will be contacted.

Job Type: Full-time

Pay: $77,000.00-$100,500.00 per year


  • Casual dress
  • Company events
  • Dental care
  • Discounted or free food
  • Extended health care
  • Life insurance
  • On-site gym
  • On-site parking
  • Paid time off
  • Tuition reimbursement
  • Vision care
  • Work from home

Flexible Language Requirement:

  • French not required


  • Monday to Friday

Ability to commute/relocate:

  • Vancouver, BC: reliably commute or plan to relocate before starting work (required)


  • PHP: 4 years (required)
  • MySQL: 4 years (required)
  • PostgreSQL: 3 years (preferred)
  • backend development: 5 years (required)


  • Chinese (required)

Work Location: In person