Backend Systems Architect

7 days ago


Copenhagen, Copenhagen, Denmark Certainly Full time

Certainly is a cutting-edge Conversational AI Platform, designed to empower e-commerce and customer service solutions. Our platform leverages advanced technologies to craft bespoke AI conversational chatbots for complex global customer journeys with multi-domain and multilingual demands.

We are a dynamic team of 20 skilled professionals working in a hybrid setup. Management is based in Copenhagen, while product development takes place in Spain. With years of experience in the field of Conversational AI, we stay at the forefront of market trends, offering innovative products and services. Our ChatBots are widely adopted by prominent clients such as Ganni, Feastable, and Ticketmaster.

We seek an experienced and skilled Senior Backend Engineer to join our team. As a key member, you will be responsible for designing, developing, and maintaining our backend systems in Python. You will collaborate closely with cross-functional teams to deliver high-quality software solutions that meet the needs of our customers.

Key Responsibilities:

  • Design and develop scalable backend systems and applications ensuring reliability, performance, and scalability.
  • Collaborate with cross-functional teams to identify and prioritize project requirements and deliverables.
  • Implement efficient and scalable backend architectures using state-of-the-art technologies.
  • Develop and maintain high-quality, well-tested, and documented code.
  • Participate in code reviews providing constructive feedback to improve code quality and maintainability.
  • Troubleshoot and debug complex issues in backend systems and applications.
  • Work closely with DevOps to ensure smooth deployment and monitoring of backend systems.
  • Stay updated on the latest technologies and industry trends.

Required Skills and Qualifications:

  • Deep understanding of Python including its syntax, data structures, and nuances.
  • Experience with Python's advanced features such as decorators, generators, and context managers.
  • Mastery of Django's core concepts including models, views, templates, and URLs.
  • Experience with Django REST Framework for API development.
  • Understanding of Django's security features including CSRF protection, XSS prevention, and SQL injection prevention.
  • Familiarity with Django's ORM for database interactions and migrations.
  • Proficient in SQL and PostgreSQL features including stored procedures, triggers, and advanced query optimizations.
  • Understanding of database design and normalization.
  • Experience with performance tuning and index optimization in PostgreSQL.
  • Understanding of Document-oriented Data Model and SQL-Like syntax.

Web Technologies:

  • Solid understanding of HTTP/HTTPS protocols, RESTful APIs, and WebSockets.
  • Experience with React framework and Next JS for integration purposes.

DevOps and CI/CD:

  • Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes.
  • Experience with continuous integration and continuous deployment pipelines using tools like Jenkins, GitLab CI, or GitHub Actions.
  • Experience with cloud service providers such as AWS, Google Cloud Platform, or Azure particularly with services relevant to web application deployment and scaling.

Additional Requirements:

  • At least a Bachelor's degree in Computer Science, Computer Engineering, or related field.
  • At least 5 years of experience in backend development.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and collaboration skills.
  • Ability to work in a fast-paced environment and prioritize tasks effectively.
  • Strong understanding of software development principles, patterns, and best practices.
  • Experience with cloud-based technologies such as AWS, Azure, or Google Cloud.
  • Strong understanding of security and compliance requirements.

Benefits:

  • Opportunity to work on challenging and exciting projects.
  • Collaborative and dynamic work environment.
  • Professional development and growth opportunities.
  • Flexible working hours and remote work options.
  • Access to the latest technologies and tools.
  • Recognition and rewards for outstanding performance.


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