Ruby & Golang_Backend Developer

COGNITO INC; Toronto; On-site; CAD 90,000 - 130,000; Full time

Job summary

COGNITO INC in Toronto/Brampton, ON is seeking a Backend Developer specializing in Ruby and Golang to design, build and maintain backend services and APIs powering high-traffic consumer apps.

You will work on scalable services, RESTful APIs, databases like MySQL and Cassandra, Redis caching, and collaborate with DevOps on AWS and CI/CD. The ideal candidate has 5+ years backend experience, strong Ruby and Go, and a passion for performance and reliability.

Qualifications

• 5+ years of professional software development experience, backend focus.
• Strong development experience with Ruby and Golang.
• Experience designing, building and maintaining RESTful APIs and microservices.
• Experience with relational databases (MySQL) and NoSQL Cassandra.
• Experience with caching (Redis) and performance optimization.
• Experience with automated testing, version control, and CI/CD.

Responsibilities

• Design, develop and maintain backend services, microservices and APIs using Ruby and Golang.
• Build scalable, reliable services for high-traffic apps.
• Develop and maintain RESTful APIs and integrations with internal/3rd-party systems.
• Work with MySQL and Cassandra databases and Redis caching.
• Optimize for performance, scalability, availability and reliability.
• Troubleshoot production issues across backend applications and services.
• Collaborate with DevOps on AWS, CI/CD, monitoring and operations.
• Participate in Agile sprint planning, stand-ups and reviews.

Skills

Ruby

Golang

REST APIs

Microservices

MySQL

Cassandra

Redis

CI/CD

Testing

Agile

Job description

We are looking to hire Backend Developer – Ruby & Golang at Toronto/ Brampton, ON who will design, build and maintain the backend services and APIs that power high-traffic consumer applications.

What You'll Do

• Design, develop and maintain backend services, microservices and APIs using Ruby and Golang.
• Build scalable, reliable services supporting high-traffic digital and streaming applications.
• Develop and maintain RESTful APIs and integrations with internal and third-party systems.
• Work with relational and non-relational databases including MySQL and Cassandra, as well as caching technologies such as Redis.
• Optimise applications and services for performance, scalability, availability and reliability.
• Troubleshoot and resolve production issues across backend applications and services.
• Collaborate with infrastructure and DevOps teams on AWS, CI/CD, monitoring and production operations.
• Integrate with platforms and services such as authentication, subscriptions, payments, analytics, advertising and content delivery.
• Write clean, testable and maintainable code, and participate in code reviews and automated testing.
• Contribute to technical design and architecture discussions and identify opportunities to improve existing systems.
• Participate in Agile development activities including sprint planning, estimation, stand-ups and retrospectives.
• Support major live sporting events and participate in special-event production watch and support as required.

What You Bring

• 5+ years of professional software development experience, with a strong focus on backend development.
• Strong development experience with Ruby and Golang.
• Experience designing, building and maintaining RESTful APIs and microservices.
• Experience with relational databases such as MySQL and NoSQL/distributed databases such as Cassandra.
• Experience with caching technologies such as Redis.
• Strong understanding of application architecture, database design, performance and scalability.
• Experience with automated testing, source control and modern CI/CD development practices.
• Strong troubleshooting and problem-solving skills, particularly in production environments.
• Ability to write clean, maintainable and well-tested code.
• Strong communication skills and experience collaborating in a cross-functional Agile team.

Nice to Have

• Experience with AWS or another major cloud platform.
• Experience with Docker, Kubernetes or other containerised environments.
• Experience with monitoring and observability platforms such as Datadog, New Relic or Dynatrace.
• Experience with CDNs such as Akamai or Amazon CloudFront.
• Experience with high-traffic consumer-facing applications, streaming platforms or digital media.
• Experience with authentication, identity, entitlement or subscription services.
• Experience integrating with payment, analytics, advertising or other media technology platforms.