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Added 12 mins ago
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KTek Resourcing

Backend Developer (Ruby/Golang)

Toronto, ON, Canada

Contract

Apply About employer

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Job details

Job type: Contract
Apply by: Dec 4, 2026
Experience: Experience: 3-5+ Years
Posting language: English
Posted: Nov 4, 2026

Original job description

Backend Developer (Ruby/Golang)

Experience: 3-5+ Years

HCL Technology

Contract

Responsibilities

Develop and maintain backend applications, microservices, REST APIs using Ruby and Golang.

Build scalable and reliable solutions for high-traffic applications.

Work with MySQL, Cassandra, and Redis for data storage and caching.

Troubleshoot production issues and ensure system stability.

Collaborate with DevOps teams on AWS, CI/CD, monitoring, and deployments.

Participate in code reviews, testing, and Agile development activities.

Support application releases and critical production events.

Required Skills

Strong experience in Ruby and Golang development.

Expertise in REST APIs and Microservices architecture.

Hands-on experience with MySQL, Cassandra, and Redis.

Good understanding of scalability, performance tuning, and system design.

Experience with CI/CD, version control, and automated testing.

Strong problem-solving and production support skills.

Good communication and teamwork skills.

Nice to Have

Experience with AWS, Docker, and Kubernetes.

Exposure to monitoring tools such as Datadog, Dynatrace, or New Relic.

Experience with streaming, media, or other high-volume consumer applications.

Knowledge of authentication, subscriptions, payment, or analytics integrations.

Apply About employer

More about this job

Responsibilities

Develop and maintain backend applications, microservices, and REST APIs using Ruby and Golang, building scalable solutions and supporting data storage and caching. Troubleshoot production issues, collaborate with DevOps on cloud infrastructure and deployments, and contribute to testing, code reviews, Agile activities, and application releases.

Requirements

Requires 3–5+ years of experience and strong Ruby and Golang development skills, with expertise in REST APIs, microservices, MySQL, Cassandra, and Redis. Candidates should understand scalability, performance tuning, and system design, and have experience with CI/CD, version control, automated testing, production support, and teamwork.

Skills

Ruby
Golang
REST APIs
Microservices
MySQL
Cassandra
Redis
System Design
Performance Tuning
CI/CD
Automated Testing
AWS
Docker
Kubernetes
Production Support
Agile Development

Visa sponsorship

Not detected in the job text

Keywords

Ruby
Golang
Backend Development
Microservices
REST APIs
MySQL
Cassandra
Redis
Scalability
Performance Tuning
System Design
CI/CD
Version Control
Automated Testing
Production Support
AWS
Docker
Kubernetes
Datadog
Dynatrace
New Relic
Monitoring
Streaming
Media Applications
High-Volume Consumer Applications
Authentication
Subscriptions
Payment Integrations
Analytics Integrations
Agile Development

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