PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address on the globe without ever touching an envelope, while ensuring clean address data. If you’re driven to build category‑defining technology and want to shape the future of offline communications, join our high‑caliber team and help us transform the way the world sends mail.

The Engineering team is the technological heartbeat of our company. We thrive on technical challenges, from architecting robust microservices to optimizing performance for a global user base. We believe in collaborative code reviews, a culture of continuous learning, and owning our projects from conception to deployment.

As a Senior Software Engineer, you will be a key contributor to our core product, responsible for both technical leadership and hands‑on development. You'll build the critical backend systems and data pipelines that handle millions of orders and power our global offline communication platform. This role requires a pragmatic backend engineer who can contribute to all stages of the software development lifecycle, from architectural design to implementation and ongoing maintenance.

Architect and maintain scalable REST APIs that can serve a multitude of use cases without breaking backwards compatibility.

Backend Engineering: Optimize existing Node.js services by unlocking performance opportunities with Rust.

Data & Logistics: Build ETL workflows to route millions of orders across our growing network of partners. Create internal tools that enable our sales and logistics teams to better serve our customers.



Work closely with our product managers and customers to ensure your work translates into business impact.

You are a pragmatic and experienced backend engineer with a passion for solving complex, large‑scale data and logistics challenges. You have a track record of building and shipping high‑quality software and thrive in a collaborative, fast‑paced environment where you're dedicated to helping both your team and your customers succeed. 5+ years of backend software engineering experience, ideally with Node.js, Python, or a similar language. Skilled experience building APIs with Node.js, TypeScript, and MongoDB .

Experience writing API documentation and communicating with customers.

Experience working with automated testing frameworks such as Strong technical writing skills, ideally demonstrable through project or customer‑facing documentation. Professional experience creating frontends with TypeScript and React . Rust/C/C++ . AWS Lambda, S3, SQS, Batch , etc. Our Commitment to Diversity

PostGrid is an equal opportunity employer and values the diversity of backgrounds and perspectives. We strive to cultivate an inclusive environment of understanding to have a greater impact on our business and our customers. We encourage applicants from underrepresented groups and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or criminal history, in accordance with applicable local, state, and/or federal laws.

With competitive pay, flexible work, and a learning‑obsessed culture, you’ll ship bold ideas fast and see your impact instantly. Apply today and help us reinvent how the world connects beyond the inbox. #

📌 Senior Software Engineer - Logistics Engineering (Calgary)
🏢 PostGrid
📍 Calgary