Staff Query Engine Engineer

7 days ago


Prague, Hlavní město Praha, Czech Republic BairesDev Full time 1,200,000 - 2,400,000 per year

At BairesDev, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley. Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

Staff Query Engine Engineer at BairesDev

We are seeking a Staff Query Engine Engineer with deep expertise in SQL engine development, query planning, cost-based optimization, execution engines, and indexing strategies. The technology stack includes popular open source query engines - Apache Spark, Trino, PrestoDB, Apache Hive, and related database technologies. Thus, there is ample scope for collaboration and contribution to open source. The ideal candidate will lead the design and optimization of high-performance query processing systems, drive architectural decisions, and collaborate with engineering teams while delivering cutting-edge solutions for complex database challenges.

What You'll Do:

  • Contribute actively to query engine and related open source projects as a core contributor.
  • Design and optimize SQL engines for high-performance query processing systems.
  • Architect advanced query planning algorithms to maximize execution efficiency.
  • Lead cost-based optimization initiatives to enhance overall query performance.
  • Drive execution engine development for scalable and distributed data processing.
  • Collaborate with engineering teams on technical solutions and system integration.

What we are looking for:

  • 10+ years of experience in software development.
  • Strong expertise in SQL engine development and query processing systems.
  • Deep understanding of advanced query planning and cost-based optimization techniques.
  • Proficiency in execution engine architecture and implementation.
  • Proven experience with indexing strategies and large-scale database performance optimization.
  • Core contributions to Apache open source projects (Spark, Trino, Hive, or similar).
  • Advanced level of English.

How we make your work (and your life) easier:

  • Excellent compensation in USD or your local currency if preferred.
  • Paid parental leave, vacation, & national holidays.
  • Innovative and multicultural work environment.
  • Collaborate and learn from the global Top 1% of talent in each area.
  • Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Ready to take your PR career to the next level? Apply now



  • Prague, Hlavní město Praha, Czech Republic BairesDev Full time 1,200,000 - 3,600,000 per year

    At BairesDev, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley. Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works on roles that drive significant impact worldwide.When you apply for this position, you're...


  • Prague, Hlavní město Praha, Czech Republic BairesDev Full time 120,000 - 240,000 per year

    At BairesDev, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley. Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works on roles that drive significant impact worldwide.When you apply for this position, you're...


  • Prague, Hlavní město Praha, Czech Republic Cloudera Full time

    Business Area:EngineeringSeniority Level:Mid-Senior levelJob Description:At Cloudera, we empower people to transform complex data into clear and actionable insights. With as much data under management as the hyperscalers, we're the preferred data partner for the top companies in almost every industry. Powered by the relentless innovation of the open source...

  • Staff Data Engineer

    1 week ago


    Prague, Hlavní město Praha, Czech Republic SentinelOne - Czech Republic Full time 104,000 - 130,878 per year

    About Us:SentinelOne is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real-time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection. With SentinelOne, organizations gain full transparency into everything happening across the...

  • Staff Data Engineer

    1 week ago


    Prague, Hlavní město Praha, Czech Republic SentinelOne Full time 80,000 - 150,000 per year

    About UsAt SentinelOne, we're redefining cybersecurity by pushing the limits of what's possible—leveraging AI-powered, data-driven innovation to stay ahead of tomorrow's threats.From building industry-leading products to cultivating an exceptional company culture, our core values guide everything we do. We're looking for passionate individuals who thrive...


  • Prague, Hlavní město Praha, Czech Republic Alteryx Full time 1,200,000 - 2,400,000 per year

    We're looking for problem solvers, innovators, and dreamers who are searching for anything but business as usual. Like us, you're a high performer who's an expert at your craft, constantly challenging the status quo. You value inclusivity and want to join a culture that empowers you to show up as your authentic self. You know that success hinges on...


  • Prague, Hlavní město Praha, Czech Republic Alteryx Full time 180,000 - 720,000 per year

    We're looking for problem solvers, innovators, and dreamers who are searching for anything but business as usual. Like us, you're a high performer who's an expert at your craft, constantly challenging the status quo. You value inclusivity and want to join a culture that empowers you to show up as your authentic self. You know that success hinges on...


  • Prague, Hlavní město Praha, Czech Republic Cloudera Full time

    Business Area:EngineeringSeniority Level:Mid-Senior levelJob Description:At Cloudera, we empower people to transform complex data into clear and actionable insights. With as much data under management as the hyperscalers, we're the preferred data partner for the top companies in almost every industry. Powered by the relentless innovation of the open source...


  • Prague, Hlavní město Praha, Czech Republic Cloudera Full time

    Business Area:EngineeringSeniority Level:Mid-Senior levelJob Description:At Cloudera, we empower people to transform complex data into clear and actionable insights. With as much data under management as the hyperscalers, we're the preferred data partner for the top companies in almost every industry. Powered by the relentless innovation of the open source...


  • Prague, Hlavní město Praha, Czech Republic SentinelOne Full time 120,000 - 250,000 per year

    About UsAt SentinelOne, we're redefining cybersecurity by pushing the limits of what's possible—leveraging AI-powered, data-driven innovation to stay ahead of tomorrow's threats.From building industry-leading products to cultivating an exceptional company culture, our core values guide everything we do. We're looking for passionate individuals who thrive...