Real, anonymous reports from people who interviewed for Data Engineer at Celebal Technologies, newest first and distilled into what to expect across the loop.
My process matched a fairly standard end-to-end format for a data engineering track. It began with resume shortlisting, and then I had to go through an online assessment that tested practical skills across Python and SQL, along with concepts in machine learning and problem-solving.
My process felt pretty straightforward and light on complications. After the recruiter stage and scheduling, I went into a technical conversation that started from what I’d worked on, and it quickly moved into SQL basics and a few targeted Python questions. There was also a bit of DSA logic and a system design style question, but it never felt like I was being cornered.
The interview process typically begins with a resume shortlisting followed by an online assessment that tests SQL and Python skills, along with some machine learning concepts. Candidates should be prepared for both multiple-choice questions and practical coding tasks during this initial stage.
Candidates can expect one or more technical interviews focusing on SQL, Python, and data engineering concepts. Questions often cover joins, window functions, and practical data handling scenarios, with an emphasis on articulating thought processes and reasoning behind decisions.
The overall difficulty of the technical rounds varies, with some candidates finding the questions to be moderate and approachable, while others felt the expectations were higher than what was appropriate for their experience level. Candidates should be ready for a range of question complexities.
The final HR round typically focuses on communication skills, cultural fit, and alignment of career goals with the company’s values. Candidates should prepare to discuss their past experiences and how they relate to the role they are applying for.
The tone of the interviews can vary significantly; while many candidates report a friendly and supportive environment, others have experienced rudeness or pressure from interviewers. It's important to stay calm and focused regardless of the interviewer's demeanor.
Candidates have noted that the communication regarding the interview timeline can be inconsistent, with long gaps between stages and vague feedback. It’s advisable to follow up for clarity and maintain patience throughout the process.