Senior Software Engineer - Core Database CI Infrastructure

ClickHouse; Pathhead; Remote; GBP 50,000 - 80,000; Full time

Job summary

ClickHouse, a leading open-source database company, is seeking a Senior Software Engineer to optimize its core database performance as part of a fully remote team. Ideal candidates will have solid expertise in C++ and a passion for enhancing distributed systems to support high-performance data processing. Join ClickHouse to help shape the future of analytics in a dynamic, fast-paced environment with a strong focus on collaboration and innovation.

Benefits

Flexible work environment

Employer contributions towards healthcare

Equity in the company

Flexible time off

$500 Home office setup

Global Gatherings

Qualifications

• Solid professional experience in software development using C++.
• Strong knowledge in database internals and design.
• Experience in performance engineering in database or high-frequency trading.

Responsibilities

• Analyze and optimize performance of the core ClickHouse database.
• Extend and add new performance tests based on real-world datasets.
• Collaborate with core teams to assess impact of new features on performance.

Skills

C++

Unix Systems

Database Internals

Performance Engineering

Distributed Systems

Problem Solving

Job description

Senior Software Engineer - Core Database CI Infrastructure

United Kingdom (remote)

About ClickHouse

Established in 2009, ClickHouse leads the industry with its open-source column-oriented database system, driven by the vision of becoming the fastest OLAP database globally. The company empowers users to generate real-time analytical reports through SQL queries, emphasizing speed in managing escalating data volumes. Enterprises globally, including Lyft, Sony, IBM, GitLab, Twilio, HubSpot, and many more, rely on ClickHouse Cloud. It is available through open-source or on AWS, GCP, Azure, and Alibaba.

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.

What will you do?

• 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.

About you:

• 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.
• reExperience giving public talks at technical conferences and meetups.
• Previous contributions to open source projects.

Compensation

For roles based in theUnited 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 globally distributed company and remote-friendly. We currently operate in 20 countries.
• 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 other countries.
• A $500 Home office setup if you’re a remote employee.
• Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites.

Culture - We All Shape It

As part of our first 500 employees, you will be instrumental in shaping our culture.

Are you interested in finding out more about our culture? Learn more about our values here . Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse.

Equal Opportunity & Privacy

ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Please seehere for our Privacy Statement.

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