Backend engineer

This role is for one of the Weekday's clients

Senior Backend Engineer

Requirements

Key Responsibilities:

• Design and implement robust, scalable, and efficient backend systems using modern programming languages and frameworks.
• Write clean, maintainable, and well-documented code following industry best practices.
• Develop and integrate RESTful and/or GraphQL APIs to support mobile and web applications.
• Optimize system performance for scalability, reliability, and low latency.
• Lead code reviews, architecture discussions, and technical decision-making.
• Collaborate with DevOps teams to implement CI/CD pipelines and ensure smooth deployments.
• Debug production issues and lead root cause analysis to deliver timely resolutions.
• Mentor junior engineers and promote a culture of technical excellence and continuous improvement.
• Ensure system security through best practices in access control, data protection, and secure coding.
• Maintain high standards for testability and quality assurance through automated testing and monitoring.
  

Required Skills & Qualifications:

• 7-9 years of backend development experience in a product-based or high-scale environment.
• Expertise in backend programming languages such as Java, Golang, Python, or Node.js.
• Strong understanding of data structures, algorithms, and system design principles.
• Experience with relational and NoSQL databases such as PostgreSQL, MySQL, MongoDB, or Redis.
• Proficient in building and consuming APIs (REST/GraphQL).
• Strong experience with microservices architecture, containerization (Docker), and orchestration (Kubernetes).
• Familiarity with cloud platforms such as AWS, GCP, or Azure, and related services (e.g., EC2, S3, Lambda, Cloud Functions).
• Exposure to CI/CD pipelines, version control (Git), and infrastructure-as-code (e.g., Terraform) is a plus.
• Solid understanding of application security, authentication/authorization mechanisms (OAuth2, JWT).
• Excellent problem-solving skills, attention to detail, and a collaborative mindset.
  

Nice to Have:

• Experience with event-driven architectures (Kafka, RabbitMQ).
• Exposure to observability tools like Prometheus, Grafana, ELK, or Datadog.
• Knowledge of performance tuning, memory profiling, and debugging tools