Senior Backend Developer

To be a strong candidate for the Senior Backend Developer role at Qwello, you should have proven experience in software development, specifically with complex projects. Expert-level skills in Python are essential, while experience with Rust is a major plus. You should also be familiar with architecting distributed systems and have hands-on experience with cloud technologies like AWS, Azure, or Google Cloud. A self-organizing mindset and the ability to adapt to changing priorities are important attributes for success in this position.

As a Senior Backend Developer at Qwello, your primary responsibilities include designing and implementing new backend services, driving the transformation of system architecture, and participating in strategic planning and code reviews. You'll also collaborate closely with partners to integrate their services with Qwello's. Maintaining and improving the backend as the business scales is a key part of the role, along with mentoring junior developers in the team.

At Qwello, proficiency in Python is a must for the Senior Backend Developer position. Additionally, while not mandatory, experience with Rust will greatly benefit your application, as our team focuses on developing services using both languages. Your ability to write efficient, scalable, and secure code is vital in helping us drive the transition from combustion to electric.

Yes, knowledge of cloud services is crucial for the Senior Backend Developer position at Qwello. Familiarity with platforms like AWS, Azure, or Google Cloud will enhance your effectiveness in designing and deploying scalable backend systems. Experience with Infrastructure as Code (IaC) tools, particularly Terraform, is also highly valued as we aim to create resilient and agile cloud environments.

The work culture at Qwello is inclusive, dynamic, and highly collaborative. We foster flat hierarchies and efficient decision-making processes to avoid bureaucratic red tape. As a Senior Backend Developer, you'll be part of a diverse international team, benefit from a remote-friendly environment, and enjoy various team-building activities. Continuous learning and development are encouraged, allowing you to stay up-to-date with industry trends while contributing towards our mission of sustainable mobility.

When answering this question, focus on specific projects where you used Python to build backend services. Detail the challenges you faced, how you approached them, and highlight your problem-solving abilities. Include examples of any frameworks or libraries you utilized, such as Flask or Django, to give a clear picture of your capabilities.

Discuss your approach to testing, which should include unit testing, integration testing, and possibly automated testing frameworks. Explain how you ensure code quality and reliability through practices like code reviews and CI/CD pipelines. Mention your commitment to designing services with testability in mind.

An effective way to answer this is by describing your time management skills and how you assess project priorities based on deadlines, impact, and available resources. You can also mention any project management tools you use to track tasks and communicate with your team, showing that you can adapt to changing priorities.

Share a specific example of a challenge, whether it was technical or related to team dynamics. Discuss the steps you took to analyze the situation, the solutions you evaluated, and how the outcome contributed to your growth as a developer. This showcases your problem-solving skills and resilience.

Discuss your understanding of serverless architecture and how it can reduce operational overhead and improve scalability. Share any experience you have with platforms like AWS Lambda, along with specific projects where you've implemented it, emphasizing the benefits and challenges encountered.

Explain your approach to continuous learning, whether it's following industry blogs, participating in seminars, or contributing to open-source projects. Mention any specific resources or communities you engage with to remain knowledgeable about advancements in technology and best practices.

Talk about your familiarity with different database management systems, both SQL and NoSQL, and provide examples of how you've designed and optimized databases for performance. Highlight any specific technologies you’ve used, such as PostgreSQL or MongoDB, and how you implemented best practices for database security and data integrity.

Discuss techniques you use for performance optimization, such as effective caching strategies, load balancing, or query optimization. Providing examples of specific scenarios where you've successfully improved performance can greatly support your answer.

Articulate your passion for sustainability and electric mobility, aligning it with Qwello's mission. Discuss specific aspects of the company culture that resonate with you, such as teamwork, diversity, and the opportunity for professional growth, showcasing why you would be a great fit for the team.

Emphasize your communication skills and your willingness to understand the perspectives of different roles. Share examples from past experiences where you worked with product managers or frontend developers, focusing on how effective collaboration contributed to the success of your projects.