Jobs in Cambridge, United Kingdom

We are the company behind the popular open-source, high performance columnar OLAP database management system for real-time analytics. ClickHouse works 100-1000x faster than traditional approaches. By offering a true column-based DBMS, it allows for systems to generate reports from petabytes of raw data with sub-second latencies. With an amazing community already adopting our open-source technology, we are now embracing our journey in delivering Cloud first solutions to delight our customers.

With top adopters such as Lyft, Cisco, and eBay - not only do our products work at lightning speed, so do we.

We are an open and collaborative company. Our colleagues are curious, engaged and excited about what they do. If you want to work in an environment where you can learn, grow, be an agent of change and have your voice heard - then please read on!

NOTE: This person can be located anywhere in the United Kingdom; the role is fully remote and not office-based.

With over 37,000 stars on GitHub, ClickHouse is the fastest and most resource efficient open-source database for real-time apps and analytics. Our Core Engineering teams own the heart of our ClickHouse Open Source project. We are looking for exceptional C++ engineers to join our remote-first, global team and continue to scale and grow both our open source and ClickHouse Cloud offerings. More specifically, our Performance Engineering team is seeking engineers who love optimizing the performance of distributed systems.

• As part of the ClickHouse Core Performance team, you will analyze and optimize the performance of the core ClickHouse database. The team works on many different topics such as query optimization, distributed query optimization, relational operators (e.g. aggregation and joins), caching, and low-level optimizations like SIMD instructions.
• You will ensure that the database performance does not deteriorate over time by extending existing and adding new performance tests, based on real-world or synthetic datasets.
• You will serve as a resource for the Support Engineering team, helping to debug the most advanced performance issues encountered by our customers.
• As the core ClickHouse database continues to move at a fast pace, you will closely collaborate with our other core teams to assess the impact of new features on performance and support colleagues with performance tests and advice.
• You will work with our open-source community. This will include resolving issues, reviewing and finishing PRs, answering questions from mail, chats, google groups, external Slack channels, etc.

• You bring along solid professional software development experience in C++. This includes experience with Unix Systems.
• You have strong knowledge in database internals and design.
• You have experience in performance engineering, ideally in a database but other areas like high-frequency trading, simulation, real time data processing etc. are also okay.
• You communicate well with others and have the ability to work well within and across engineering teams.
• You are ready to work closely with our open-source community. You participate in code reviews with patience and attention to detail fostering a culture of collaboration and mutual respect.
• You are a strong problem-solver and have solid production debugging skills.
• You are passionate about efficiency, availability, scalability and data governance.
• You thrive in a fast-paced start-up environment, seeing yourself as a partner with the business with the shared goal of moving forward and building together.
• You have a high level of responsibility, ownership, and accountability.
• Experience with ClickHouse
• Experience in security, privacy, and compliance.
• Experience with TCP/IP and network programming.
• Experience developing cloud infrastructure services, preferably with Kubernetes.
• Experience giving public talks at technical conferences and meetups.
• Previous contributions to open source projects.

This role offers cash compensation and a stock options grant. For roles based in the United States, you can find above our typical starting salary ranges for this role, depending on your specific location.

The positioning of offers within a certain range depends on various factors, including: candidate experience, qualifications, skills, business requirements and geographical location.

• Flexible work environment - ClickHouse is a distributed company offering remote-first work to all employees
• Healthcare - Employer contributions towards your healthcare.
• Equity in the company - Every new team member who joins our company receives stock options.
• Time off - Flexible time off in the US, generous entitlement in all countries.
• A $500 Home office setup if you’re a remote employee.
• Employee-driven international mobility- we enable you to relocate internationally if you wish (within certain countries and timelines and subject to role requirements, time zones and work permit considerations)

We All Shape It

As part of our first 200 employees, you will be instrumental in shaping our culture.

We look for candidates who are:

• Motivated by doing great work as part of a team :)
• Open to learning from others and sharing with others
• Team Players: helpful, resourceful, responsive
• Respectful and see feedback as an opportunity to grow

Are you interested in finding out more about our culture? We are a one year old company therefore we are excited to be building it together at the moment. Our first 200 employees are the culture shapers of our future. Check out our blog posts or follow us on LinkedIn to find out more about what’s important to us, and to find out if you’d like to come and contribute to building our culture with us!

Please see here for our Privacy Statement.