Real, anonymous reports from people who interviewed for Software Engineer at Castlight, newest first and distilled into what to expect across the loop.
After the recruiter reached out, I ended up going through a fairly technical process that felt geared toward a full-stack role. I had medium-level DSA questions, and then the harder part was system design where the conversation went beyond surface-level diagrams into deeper design decisions and REST API thinking. I also got questions tied to what I had done previously—things like frameworks, specifically Spring and Spring Boot, plus Angular.
My process started with multiple technical evaluation rounds—roughly three to four depending on what they wanted to cover—and it felt noticeably more intense than an average screen. The focus was heavy on DSA and technical problem-solving, and it wasn’t just verbal; I could be asked to write down queries during technical rounds.
Candidates typically go through multiple technical rounds focused on data structures and algorithms (DSA), coding exercises, and system design discussions. The rounds are structured to progressively assess technical skills and problem-solving abilities, often requiring candidates to write code or queries during the interviews.
After the technical assessments, candidates usually engage in discussions with HR or hiring managers, where they may address fit and company culture. The tone of these conversations can vary significantly, impacting candidates' overall impressions of the process.
The atmosphere during interviews can range from high-pressure to relaxed and conversational, influencing candidates' performance. Positive interactions often lead to a better demonstration of skills, while negative experiences can leave candidates feeling judged or uncomfortable.
Candidates frequently report issues with communication throughout the process, particularly regarding follow-up after interviews. Delays in feedback and lack of clarity about next steps can lead to frustration and a negative impression of the company's professionalism.
The interview process can feel lengthy and disorganized, with some candidates experiencing multiple rounds without clear progression or timely updates. While some found the structure clear initially, many noted that the process often stalled or became confusing as it progressed.
Candidates often enter the process with certain expectations based on initial recruiter interactions, but these can shift dramatically during interviews, particularly regarding role fit and compensation discussions. Discrepancies between what was communicated and the actual experience can lead to dissatisfaction.