Senior Back-End Developer

As a Senior Back-End Developer at Vast.ai, your main responsibilities include developing and maintaining the server-side logic for our GPU marketplace, handling databases, and ensuring seamless integration with the front-end. You'll work on projects such as enhancing database performance, implementing new features for reliability, and optimizing cloud infrastructure for scalability. This role will require you to write high-performance code and contribute to the scalability of our systems.

To qualify for the Senior Back-End Developer position at Vast.ai, candidates should hold a Bachelor’s or Master’s degree in Computer Science or a related field, along with a minimum of 5 years of experience in writing production-quality code. Strong expertise in languages like C/C++, Python, and PostgreSQL is essential, along with experience in building large-scale, fault-tolerant systems. Familiarity with GPU programming is a plus.

A Senior Back-End Developer at Vast.ai should be comfortable working with a variety of tools and languages, including Python, C++, SQL, JavaScript, as well as front-end technologies like React and CSS. Ability to quickly learn new frameworks and tools is essential, as the company emphasizes growth and adaptation in the fast-paced tech environment.

The annual salary range for the Senior Back-End Developer position at Vast.ai is between $130,000 and $200,000. This comes with additional perks including equity and benefits such as health coverage, a matching 401K, and a chance to work in an ambitious, fast-paced startup environment.

At Vast.ai, the work environment is collaborative and innovative, with a strong focus on teamwork and creativity. The company fosters a culture that encourages learning through initiatives like remote pair programming. You'll be part of a team that is driven by a shared passion for AI and its potential to make a positive impact on the future of humanity.

When optimizing databases, I first analyze query performance and execution plans to identify bottlenecks. I also consider schema design and indexing strategies. Implementing caching and examining workload patterns can further improve performance. I believe a thorough understanding of the specific use cases can guide effective optimization.

In my previous roles, I prioritized redundancy and system design that ensures minimal downtime. By implementing load balancing, failover strategies, and regular backups, I have successfully built fault-tolerant systems. It’s vital to test these systems regularly to validate their resilience under unexpected conditions.

I emphasize rigorous testing and peer reviews to maintain code quality. Utilizing coding standards and best practices, along with automated testing frameworks, helps ensure robust code. Continuous integration processes can also catch issues early, making the whole development process smoother.

I prioritize clear communication and effective time management. Breaking down projects into smaller tasks and setting achievable milestones helps. Staying flexible and adapting to changing requirements while maintaining focus on the end goal is crucial in meeting tight deadlines.

In a past project, I needed to adopt a new cloud service provider to improve our infrastructure. I dedicated time to study the documentation, engage in forums, and build a proof of concept. This proactive approach allowed me to integrate the new technology effectively and share insights with my team.

Security is a top priority in back-end development. For every project, I implement secure coding practices, conduct code reviews focused on vulnerabilities, and utilize tools for static analysis. I also stay updated on security best practices and incorporate measures like data encryption and access controls.

Collaboration with front-end teams is essential, and I ensure clear communication through regular meetings to discuss project requirements and expectations. Understanding their needs helps me create a solid API that meets their demands while also offering flexibility for future enhancements.

I stay current by regularly reading industry blogs, participating in webinars, and engaging with online developer communities. I also attend tech conferences whenever possible and encourage hands-on practice with emerging technologies to enhance my skills continually.

Once, I faced a significant performance degradation issue due to the database load. I methodically monitored queries, identified problematic areas, and optimized them by rewriting inefficient queries and adding relevant indexes. This systematic approach resolved the issue and enhanced overall performance.

I’m particularly drawn to Vast.ai’s mission of shaping AI computing for the betterment of humanity. The opportunity to contribute to a cutting-edge GPU marketplace, coupled with a culture that fosters innovation and collaboration, aligns perfectly with my professional aspirations and values.