Full Stack Engineer

1 week ago

Toronto, Ontario, Canada Apex Systems Full time

Fullstack Developer

Apex Systems is a global IT services provider, and our staffing practice has an opening in the Online Retail space for a Front-End Developer with strong React, JavaScript, Ruby-On-Rails, GraphQL and AWS experience to place at our client.

Terms: 12 months rolling

Location: 1x per week in Toronto

Skills: React, Javascript, AWS, Python, Ruby on Rails, SQL, Elasticsearch

Technology @ Our Client

From a technology point of view, the platform is complex, rapidly scaling and processing millions of transactions in real-time all of the time. The technology coupled with operational expertise enables Our Client to deliver fresh groceries in as little as an hour. This is a difficult problem to master and they are making it happen. Every day, they solve incredibly hard problems to create an experience for their customers that is absolutely magical.

About Back End at Our Client

The backend systems power the clients used by millions of customers every year to buy their groceries online. These systems must also support tight integration with the largest retailers in the US and Canada. Backend engineering at Our Client provides the opportunity to work on challenging scaling solutions while also designing the features that will define our industry. You'll have the opportunity to work with an Elasticsearch cluster serving millions of requests per day, a unique order lifecycle system that processes thousands of order per hour, and a recovery system capable of rebuilding the entire platform from scratch.

Our Client's applications run on Ruby on Rails. They use Postgres, Elasticsearch, and Cassandra as datastores. Memcached and Redis for caching. Kinesis for stream processing. Sidekiq for job processing. As they grow to serve more customers and deepen their relationships with retail partners they are constantly given new opportunities to solve fascinating and rewarding challenges.

Responsibilities

  • You will be part of a small team, with a large amount of ownership and autonomy for managing things directly.
  • You will work closely with product managers, other teams, and both internal and external stakeholders, owning a large part of the process from problem understanding to shipping the solution.
  • You will ship high quality, scalable and robust solutions with a sense of urgency.
  • You will have the freedom to suggest and drive organization-wide initiatives.

Requirements

  • Self-motivation and an enjoyment for a startup environment
  • A strong sense of ownership
  • Strong knowledge of common back-end Web technologies (such as Ruby on Rails, Python, etc.) in a production environment
  • An ability to balance a sense of urgency with shipping high quality and pragmatic solutions
  • Experience working with a large codebase on a cross functional team.
  • Strong knowledge of SQL
  • Bachelor's degree in Computer Science, computer engineering, electrical engineering OR equivalent work experience
  • 5+ years Ruby on Rails
  • React
  • Javascript
  • AWS
  • Documentation (Confluence/ Jira)
  • API integration
  • Integrate with different retailers
  • Mostly REST sometimes SOAP at times GraphQL

Desirable

  • Previous technical leadership/platform experience
  • Experience building consumer systems at scale
  • Interest or experience in distributed systems
  • Contributions to the technical communities (e.g. open source, blogging, etc.)
  • AWS – any cloud works
  • Dynamo
  • S3 buckets
  • Lambdas
  • GraphQL
  • E-commerce experience would be an asset
  • Understand the problem – explain the issue – explain the process – both written and verbal
  • Office once a week preferred

Technology

From a technology point of view, the platform is complex, rapidly scaling and processing millions of transactions in real-time all of the time. Our Client's technology coupled with operational expertise enables Our Client to deliver fresh groceries in as little as an hour. They use a modern stack including Ruby/Rails, Python, React and many more technologies.

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