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Information Technology & Services

Senior Backend Engineer

United Kingdom, CanadaOnsiteFull TimeSenior$85,000–$100,000 /yrPosted 2 months ago

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Role summary

We are seeking a Senior Backend Engineer to design, build, and maintain the server-side of applications, focusing on scalability, performance, and security. Responsibilities include system design, backend development with APIs (REST/GraphQL), database management (SQL/NoSQL), performance optimization, and implementing testing and CI/CD pipelines. The role involves monitoring, troubleshooting, code reviews, and collaboration with cross-functional teams. Candidates should have 4-9 years of backend development experience, proficiency in languages like Java, Python, Node.js, or Go, experience with cloud platforms (AWS, GCP, Azure), and database expertise. Strong problem-solving and communication skills are essential.

Role & responsibilities:

A Senior Backend Engineer is responsible for designing, building, and maintaining the server-side of applications, ensuring scalability, performance, and security.

1. System Design & Architecture

  • Design scalable, reliable, and maintainable backend systems
  • Choose appropriate database structures, caching strategies, and service architecture (monolith vs microservices)

2. Backend Development

  • Develop high-quality, efficient, and well-documented code
  • Implement APIs (REST/GraphQL), integrations, and services

3. Database Management

  • Design and optimize relational and NoSQL databases
  • Write efficient queries, handle transactions, and manage data integrity

4. Performance & Scalability

  • Profile and optimize backend systems
  • Handle concurrent requests, load balancing, and caching strategies

5. Testing & CI/CD

  • Implement unit, integration, and end-to-end testing
  • Participate in CI/CD pipelines, deployment automation, and version control management

6. Monitoring & Troubleshooting

  • Monitor system performance using tools like Prometheus, Grafana, ELK stack
  • Debug production issues, ensuring minimal downtime

7. Mentorship & Code Quality

  • Review code of junior/mid-level engineers
  • Establish best practices, coding standards, and documentation

8. Collaboration

  • Work with frontend engineers, product managers, DevOps, QA, and other stakeholders
  • Translate business requirements into technical solutions

Preferred candidate profile:

a. Experience

  • 4 to 9 years in backend development
  • Hands-on experience with microservices, APIs, and cloud-based architecture

b. Technical Skills

  • Strong programming skills in Java, Python, Node.js, or Go
  • Database proficiency (PostgreSQL, MySQL, MongoDB, Redis)
  • Experience with cloud platforms (AWS, GCP, Azure)
  • Knowledge of message brokers like Kafka or RabbitMQ
  • Familiarity with DevOps tools, CI/CD pipelines, and containerization

c. Soft Skills

  • Excellent problem-solving and debugging abilities
  • Strong communication for collaborating with global teams
  • Ability to mentor junior developers
  • Comfortable taking ownership of complex backend systems

d. Education

  • Bachelors degree in CS, Software Engineering, or related field (Master’s optional)
  • Alternatively, demonstrable hands-on experience with production systems can compensate

e. Optional / Bonus

  • Cloud certifications (AWS, GCP, Azure)
  • Security or DevOps certifications
  • Open-source contributions or strong GitHub portfolio
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