Full Stack Software Engineer

Tucows

Location
Canada
Job Type
full-time
Salary
Unknown
Posted
July 18, 2025

Job Description

Tucows Domains is the world’s largest wholesale domain registrar, playing a crucial role in maintaining the health, neutrality, and openness of the Internet through the domain name system (DNS). We operate globally under trusted brands like Ascio, Enom, Hover, and OpenSRS.

Our Registry Services division is at the forefront of managing and innovating the infrastructure for gTLDs, dotBrands, and ccTLDs. With a platform capable of supporting hundreds of top-level domains and millions of second-level domains, we deliver performance, stability, and resilience to registry clients worldwide.

We are excited to establish a Registry Operations Center in India to serve the newly awarded NIXI .IN TSP (Technical Service Provider) contract. This center will also support our growing presence in ccTLDs, gTLDs, and dotBrand operations globally.

Why Join Tucows?

We embrace a people-first philosophy rooted in respect, trust, and flexibility. At Tucows, your work can be remote-first or hybrid, allowing you to thrive from wherever you’re most productive. Today, over 1,000 team members in 20+ countries collaborate to make the Internet better every day.

If this sounds exciting, we’d love for you to be part of our journey. Join the herd!

About the Opportunity 

We are seeking to hire a keen and self-motivated intermediate engineer who loves the Internet, and loves learning, sharing their knowledge and applying new technologies to complex problems.

As a Full Stack Software Engineer, you will be responsible for implementing and maintaining the server-side code for our registry system including backend services, web applications, databases and APIs. You are capable of navigating and understanding existing codebases and feel well working on linux servers to troubleshoot problems in production environments to quickly triage issues and address them. You will work closely with our project managers, customer support and other stakeholders to improve and maintain our software solutions to meet the needs of our users and customers.

Key Responsibilities:

  • Improve and maintain secure, scalable and efficient backend services using existing and new technologies.
  • Maintain the public website of our customer, cooperative with specialized website teams
  • Write efficient SQL queries and ensure performance and reliability
  • Write unit tests, integration tests and end-to-end tests, where needed, to ensure the reliability and stability of our software.
  • Debug and troubleshoot issues in new and existing systems, both code based as well as operational issues in an on-call rotation
  • Document code, participate in code reviews and deploy new versions via existing CI/CD pipelines as a key responsibility to deliver reliable services
  • 3rd level technical support for questions of our customer support team

Minimum Qualifications:

  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent work experience
  • 3+ years of professional experience as a backend-, frontend- or full stack software engineer or similar role
  • Strong understanding of web technologies, protocols, and standards (e.g., HTTP, REST, JSON, XML and DNS)
  • be familiar with DevOps practices & methodologies, like CI/CD, monitoring systems, incident management
  • Ability to debug and troubleshoot issues in backend services and web applications
  • Experience in implementing Restful APIs, using Git as version control system and an understanding how to use, maintain and debug a relational database system round up your technical skills
  • Ability to work independently as well as part of a team
  • Experience working remotely with a distributed team
  • Strong communication and collaboration skills in fluent English and Hindi (both spoken and written)

Nice to have:

  • Proficiency in Python and/or Golang programming languages
  • Experience with message brokers, with a preference for RabbitMQ
  • Experience with cloud services like AWS,  containerization technologies like Docker and/or Kubernetes as deployment/orchestration system
  • Knowledge in API security frameworks, token management and user access control including OAuth, JWT, OpenAPI, etc.
  • Knowledge in system administration, operations and infrastructure
  • Understanding of the importance of using collaboration tools like Jira
  • You feel comfortable in the domain industry, knowing about the relationship between registries and registrars
  • Knowledge of EPP - the Extensible Provisioning Protocol. 

Want to know more about what we stand for? At Tucows we care about protecting the open Internet, narrowing digital divide, and supporting fairness and equality.

We also know that diversity drives innovation. We are committed to inclusion across race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status or disability status. We celebrate multiple approaches and diverse points of view.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform crucial job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation.

Tucows and its subsidiaries participate in the E-verify program for all US employees.

Learn more about Tucows, our businesses, culture and employee benefits on our site here.

🎯 Who is this job for?

This role suits a Middle-to-Senior Full Stack Engineer with 3+ years of experience in backend/frontend development, strong knowledge of REST APIs, SQL, and web protocols. Ideal candidates are comfortable working in Linux environments, debugging production issues, and applying DevOps practices like CI/CD. Experience with Python or Golang, RabbitMQ, cloud platforms (AWS), and containerization (Docker/Kubernetes) is a strong plus.

πŸ’¬ Potential Interview Questions

  1. Explain your experience with building and maintaining RESTful APIs.
    I have designed and implemented scalable RESTful APIs, ensuring secure and efficient data exchange using best practices such as proper HTTP methods, status codes, and authentication mechanisms like OAuth and JWT.

  2. How do you approach debugging and troubleshooting backend services in a production environment?
    I use logging, monitoring tools, and debugging techniques to identify issues quickly, analyze root causes, and apply fixes, while minimizing downtime and ensuring system reliability.

  3. What is your experience with relational databases and writing efficient SQL queries?
    I’m proficient in designing normalized schemas, optimizing queries with indexing, and writing complex joins and transactions to ensure data consistency and performance.

  4. Describe your familiarity with DevOps practices like CI/CD and monitoring.
    I actively participate in CI/CD pipelines to automate testing and deployment, and use monitoring and alerting systems to maintain system health and proactively address incidents.

  5. Have you worked with message brokers like RabbitMQ? What use cases did you handle?
    Yes, I’ve used RabbitMQ for decoupling services, handling asynchronous tasks, and implementing event-driven architectures to improve scalability and reliability.

  6. How comfortable are you working with cloud services and container orchestration?
    I have hands-on experience deploying applications on AWS, using Docker for containerization, and orchestrating services with Kubernetes to ensure scalable and resilient infrastructure.

  7. Can you explain the Extensible Provisioning Protocol (EPP) and its relevance?
    EPP is a protocol used for communication between domain registries and registrars, enabling domain lifecycle management; familiarity helps in building registry-related software that interacts with domain infrastructure.

  8. What are key security considerations when building backend services?
    I prioritize authentication, authorization, input validation, encryption, secure token management, and protection against common vulnerabilities like injection, XSS, and CSRF.

  9. How do you manage working independently and within distributed teams?
    I maintain clear documentation, use collaboration tools like Jira and Git, communicate proactively, and synchronize regularly to ensure alignment and effective teamwork.

  10. Describe a situation where you improved the performance or scalability of a backend system.
    I identified bottlenecks via profiling, optimized database queries, introduced caching layers, and refactored code for concurrency, resulting in faster response times and better handling of increased traffic.

πŸ“‹ Job Summary

Tucows Domains is seeking a motivated Full Stack Software Engineer (hybrid, India-based) to maintain and improve backend services, web applications, and APIs for their global domain registry platform. With 3+ years of experience, you’ll work on scalable, secure backend systems, troubleshoot production issues, write tests, and collaborate with cross-functional teams. Key skills include RESTful API development, SQL, Linux troubleshooting, Git, and strong communication in English and Hindi. Experience with Python/Golang, RabbitMQ, AWS, Docker/Kubernetes, and API security frameworks is a plus. Join Tucows and contribute to a trusted, open Internet infrastructure in a flexible, inclusive environment.

Required Skills

JavaScript

Related jobs

Poland, Lithuania, Albania, Serbia, Uzbekistan, Azerbaijan

Node.js Software Engineer

Sigli

Full-time