Senior Backend Software Developer

Vancouver, BC

WillowTree is hiring for empathetic, curious engineers to join our growing team. We work in a fast-paced and energizing atmosphere, helping our clients’ ideas come to life by building robust mobile and web applications. Our backend technology stack varies by project, so we value flexibility and willingness to learn. Our goal is to build amazing solutions for our clients, and our backend implementations are a crucial part of how we deliver on that promise.

We understand our responsibility to create a diverse, equitable, and inclusive place within the tech industry, while pushing to make our industry more representative. Because of this responsibility, we need candidates who value diversity and inclusion through their work, team collaboration, or mentorship. So in your cover letter, we encourage you to reflect on diversity, equity, and inclusion.


  • Are driven by curiosity and enthusiastic about learning new technologies
  • Are motivated by solving problems and finding creative solutions
  • Believe in autonomy and taking initiative
  • Have professional programming experience — we’re thinking 5+ years
  • Inspire others to write code that is durable, secure, scalable, always up and running
  • Have in-depth experience with one server-side programming language — such as Java, Kotlin or other JVM languages; C# or other .NET languages; Node.js; Python, Go, and perhaps a breadth in others
  • Have in-depth experience working with relational and/or NoSQL databases. This could be PostgreSQL, SQL Server, MySQL, MongoDB, or another type of document-database. This includes experience with schema design, indexing, querying, and performance tuning
  • Are eager to share your knowledge with teammates through mentorship, code reviews and pair programming sessions
  • Have experience writing apps for Azure, AWS, GCP, CloudFoundry, Heroku, SalesForce, Mulesoft and/or other cloud providers
  • Are well versed in using Cloud Provider utilities such as CLI tools and Consoles (Azure Portal, AWS Console)
  • Have experience developing RESTful APIs and/or Graphql APIs
  • Possess strong debugging and troubleshooting skills
  • Are able to assist teammates with issues by breaking down complex tasks
  • Effectively communicate system architecture and development decisions to clients and teammates
  • Strong appreciation for CI/CD (e.g. CircleCI, TeamCity, AzureDevops) and experience setting up deployment pipelines

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