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Principal Rust Software Engineer (Databases)

Building data-driven AI applications and agents is too complex, even for advanced developers. At Spice AI, we’re making it simpler by helping developers combine code, data, and AI to build truly intelligent, decision-making systems. Our mission is to make this as easy as creating a modern web page.


We created Spice.ai OSS, a portable AI database written in Rust with a unified SQL interface to query, materialize, and accelerate data from any source, co-located with machine learning models. By bringing compute, data, and models together, Spice OSS enables secure AI-Feedback-Loops (AI-Fly-Wheels) for apps and agents to learn and adapt. We just announced the 1.0-stable release of Spice.ai OSS.


For a deeper dive into the vision, watch Luke's CMU Databases talk on Spice.ai OSS at https://www.youtube.com/watch?v=tyM-ec1lKfU and read his Materialized View interview at https://materializedview.io/p/building-a-cdn-for-databases-spice-ai.


We're also building the Spice.ai Cloud Platform, offering managed, cloud-scale Spice.ai OSS along with tools for high-performance SQL, machine learning training, and inference in an interconnected AI backend-as-a-service.


At Spice AI, we hire for MEI: Merit, Excellence, and Intelligence. We're looking for exceptional, top-tier engineers - A players - who are driven to solve hard problems and push the boundaries of what's possible for AI.


We’re looking for a Principal Rust Software Engineer to lead database development in Spice.ai OSS. In this role, you’ll design and build high-performance database engine features in Spice.ai, Apache DataFusion, Arrow, Iceberg, and duckdb-rs.


If you’re passionate about open source, distributed systems, and database internals, we want to hear from you.


Who we are looking for
  • You are an exceptional engineer.
  • You are a problem solver. You start customer problems and figure out how to solve them with technology.
  • You think differently. You do not accept the status-quo. You challenge the current model of the world and take leaps of faith to build it better for everyone.
  • You are positive. Instead of focusing on limitations, you ask what’s possible. 
  • You care about meaningful work. Your work is more than a job. 
  • You are comfortable with ambiguity and unknowns, and in these situations, you lead by creating clarity. 
  • You are passionate about high performance and have high standards.


What we're looking for
  • 2+ years professional Rust experience or 5+ yrs professional C/C++ experience.
  • Experience in designing, implementing, scaling, and shipping production database-engines, distributed, and data systems.
  • A track record of strong design, architectural, engineering, and product decisions.
  • Excellent communication skills.
  • Ability to ramp up quickly and hit the ground running.
  • Ideally, experience contributing to open-source projects.
  • Experience with Apache infra, CNCF-stack, or cloud-native development.


In this role, you'll
  • Work side-by-side with the founders as a leader and outstanding contributor in the Spice.ai open-source project.
  • Contribute to designing and building the Spice.ai Cloud Platform, and data platforms.
  • Take ownership of initiatives to improve our offerings and deliver exceptional developer experiences.


Your first 90-days
  • Your first month - ramp up and contribute meaningful improvements to the Spice.ai OSS project
  • 30-60 days - take technical and engineering ownership of an entire feature area.
  • 60-90 days - propose and execute on aligned technical strategy going forward.


$225,000 - $300,000 a year
In addition to the base salary of up to $250,000/year, a guaranteed bonus of up to $50,000/year and competitive startup equity is offered for this position.

The equity range for this role is 0.5% - 1.50%.

About Spice AI


Founded in June 2021 by Microsoft and GitHub alumni Luke Kim and Phillip LeBlanc, Spice AI creates technology to help developers build intelligent applications and agents that learn and adapt.


Before co-founding Spice AI, Luke was the co-creator of Azure Incubations in the Office of the Azure CTO, where he led cross-functional engineering teams to create and develop technologies including Dapr and OAM.


Spice AI is backed by some of the top industry angel investors and leaders, including Nat Friedman, Mark Russinovich, CTO of Microsoft Azure, and Thomas Dohmke, CEO of GitHub, who is also on the board.


Spice AI also has notable VC backing from Madrona Venture Group, Basis Set Ventures, Founders' Co-op, and Picus Capital.


Learn more:


- On TechCrunch and GeekWire

- About the team at spice.ai/careers

- The Spice.ai general availability announcement blog post

- The Spice.ai OSS project announcement blog post

Average salary estimate

$262500 / YEARLY (est.)
min
max
$225000K
$300000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Principal Rust Software Engineer (Databases), Spice AI

At Spice AI, we are on a mission to revolutionize how developers build data-driven AI applications, and we're excited to find a Principal Rust Software Engineer to join our innovative team. In this role, you'll play a pivotal part in leading database development for Spice.ai OSS, a cutting-edge AI database that empowers developers to easily blend code and data for intelligent decision-making systems. As a Principal Rust Software Engineer, you'll design and craft high-performance database engine features using Rust and collaborate with open-source communities on projects like Apache DataFusion and Iceberg. Your background in Rust or C/C++ will come in handy as you tackle challenges not just in code, but in improving the entire development experience. You’ll be surrounded by like-minded A-players who are equally passionate about pushing technological boundaries. With a competitive salary ranging from $225,000 to $300,000 and the opportunity for meaningful work, this is a chance to help shape tools that redefine what's possible in AI development. Your contributions will directly influence how companies leverage AI to adapt and thrive in an ever-evolving landscape. If you are curious, determined, and ready to embark on a journey to create impactful technologies, Spice AI is the place for you. Join us and be a part of a future where creating advanced applications is as easy as building a modern web page.

Frequently Asked Questions (FAQs) for Principal Rust Software Engineer (Databases) Role at Spice AI
What are the responsibilities of a Principal Rust Software Engineer at Spice AI?

As a Principal Rust Software Engineer at Spice AI, you will be responsible for leading database development efforts for the Spice.ai open-source project. Your primary tasks will include designing and implementing high-performance features in the database engine, collaborating with the founding team, and producing scalable solutions that enhance developer experience. You can expect to take ownership of initiatives that enrich our cloud platform and contribute to building a versatile AI backend-as-a-service.

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What qualifications are required for the Principal Rust Software Engineer position at Spice AI?

To be considered for the Principal Rust Software Engineer role at Spice AI, applicants should possess at least 2 years of professional experience with Rust or over 5 years with C/C++. A strong background in designing, implementing, and scaling production database engines is essential. Additionally, excellent communication skills and a passion for open-source development and distributed systems will set you apart from other candidates.

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What kind of projects will the Principal Rust Software Engineer work on at Spice AI?

The Principal Rust Software Engineer at Spice AI will engage in exciting projects aimed at enhancing the Spice.ai OSS database, which involves integrating machine learning models with data processing. You'll also contribute to the Spice.ai Cloud Platform, which focuses on delivering high-performance SQL capabilities and AI applications. Your work will push the boundaries of how developers can leverage data-driven AI solutions seamlessly.

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What is the company culture like at Spice AI for a Principal Rust Software Engineer?

Spice AI fosters a culture of merit, excellence, and intelligence, welcoming top-tier engineers who are driven, positive, and innovative problem solvers. You’ll work in an environment that challenges the status quo and encourages exceptional work. Collaboration with founders and a team of skilled professionals who share your passion for technology and meaningful contributions is at the heart of our work culture.

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What opportunities for growth exist for a Principal Rust Software Engineer at Spice AI?

At Spice AI, growth opportunities for the Principal Rust Software Engineer role are abundant. You’ll have the chance to lead and influence major engineering initiatives, work on cutting-edge technologies, and define your technical strategy. Additionally, your involvement in open-source projects will help you expand your professional network and enhance your skills in database systems and AI-driven technologies.

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Common Interview Questions for Principal Rust Software Engineer (Databases)
Can you describe your experience with Rust and how it relates to your work on database systems?

When answering this question, detail your specific Rust projects, focusing on how you've utilized Rust's features like memory safety and concurrency in building database solutions. Discuss any performance improvements you've achieved and how Rust's ecosystem has helped you tackle complex challenges.

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What challenges have you faced while working on distributed systems?

In your response, share specific challenges such as data consistency, fault tolerance, or performance bottlenecks. Illustrate how you addressed these issues, showcasing your problem-solving skills, technical expertise, and contributions to successful outcomes.

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How do you prioritize your work for product development as a Principal Engineer?

Explain your approach to evaluating tasks, considering factors like impact on user experience, business value, and technical feasibility. Mention tools or methodologies you use, such as Agile, to ensure effective backlog management and delivery of key features.

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What contributions have you made to open-source projects?

Share detailed examples of your contributions, highlighting specific features or fixes you've implemented. Discuss how these contributions improved the project, your collaboration with the community, and any leadership roles you've assumed in these projects.

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Can you provide an example of a significant technical challenge you solved?

Choose a specific challenge that demonstrates your analytical abilities and creativity in finding solutions. Describe the context, your thought process, and the impact of your solution, emphasizing the technical skills you employed to achieve it.

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How do you stay current with new developments in database technologies?

Discuss your methods for staying updated, such as participating in relevant conferences, engaging with online communities, or following influential figures in the tech industry. Mention any resources or thought leaders who shape your understanding and inform your work.

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How do you ensure code quality and maintainability in database systems?

Explain your process for implementing code standards, code reviews, and testing methodologies. Highlight the importance of documentation and how it aids collaboration and future maintenance efforts within your team.

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What role does collaboration play in your engineering approach?

Emphasize the significance of teamwork in delivering complex projects. Provide examples of successful collaborations, illustrating how you foster effective communication and leverage diverse skill sets within a team to achieve project goals.

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How would you approach designing a high-performance database engine feature?

Outline your methodology, beginning with requirement gathering, followed by architectural design and prototyping. Discuss areas of focus, including performance metrics, scalability, and user requirements, detailing how you'll validate your design through testing.

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What motivates you to work on AI and data processing technologies?

Share your specific interests in AI and data processing. Highlight past experiences that ignited your passion and how they align with Spice AI's mission of simplifying the complexity of AI applications, showcasing your enthusiasm for making a meaningful impact.

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DATE POSTED
March 26, 2025

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