Reside coding interviews are an efficient method to establish certified engineering candidates for technical roles. Whereas they supply a extremely sensible job simulation expertise in comparison with conventional interviews, stay coding interviews might be anxious for candidates and time-consuming for hiring groups—so it’s greatest to conduct these interviews on a platform designed particularly for technical hiring to cut back friction for all events. Interviewers can even take advantage of these interviews by making ready forward of time, utilizing a structured interview format with questions that construct on one another, and assessing candidates utilizing a rubric.


Reside coding interviews have elevated how corporations do technical hiring, however they’re not with out their very own set of challenges and issues. When you, as an engineering supervisor, tech lead, or interviewer, are grappling with find out how to conduct these interviews effectively, you’re not alone. Most engineering groups acknowledge the significance of those interviews, however spend far an excessive amount of time on making ready for, conducting, and debriefing them—and, even then, could wrestle to establish certified candidates. And the implications might be steep: a mistaken hiring determination isn’t nearly a mismatch of expertise—it’s in regards to the time, sources, and alternatives misplaced. 

This text serves as a complete information to demystifying the method and providing actionable insights to boost the way you conduct stay coding  interviews. By the top of this piece, you’ll have a clearer understanding and a roadmap to conduct stay coding interviews which can be rigorous, honest, and efficient.

Leveraging insights from 1000’s of interviews performed on Pylogix, the main technical interview and evaluation platform, this text affords a mix of business information and sensible recommendation. Pylogix has been on the forefront of technical hiring since 2014, understanding the nuances of what makes an interview profitable and the pitfalls to keep away from. Drawing upon this wealth of data, we’re right here to information you on the trail to simpler, streamlined, and impactful stay coding interviews.

Soar to a piece:

What’s a stay coding interview?

A stay coding interview is a standard technique that corporations make use of to evaluate the technical expertise and problem-solving skills of software program builders and engineers. Throughout one of these interview, candidates are requested to write down, debug, or improve code in real-time, usually by way of an internet coding atmosphere, whereas interviewers watch and ask clarifying questions—and, in some platforms, even have interaction in pair programming. This hands-on strategy permits interviewers to gauge not solely a developer’s technical prowess but in addition their thought processes, problem-solving methods, and skill to deal with stress, empowering them to identify developers and engineers who will be most impactful on their team.

For engineering managers and people who conduct technical interviews, it’s important to know the precise advantages and makes use of of a stay coding interview. These interviews provide a extra sensible and correct snapshot of a developer’s coding capabilities than a conventional question-and-answer format may. Furthermore, they permit corporations to higher match builders with roles that match their experience and to make sure that potential hires can sort out the challenges they’ll face on the job. 

Advantages and challenges of stay coding interviews

Reside coding interviews, whereas a major shift from conventional interviewing strategies, have at present turn into a mainstay within the tech business’s hiring course of. These classes purpose to seize a developer’s coding expertise and strategy to inventive problem-solving in real-time. Nonetheless, like all interviewing technique, stay coding interviews include their set of benefits and downsides.


  • Assessing creativity and technical ability: In contrast to the standard whiteboard workouts or theoretical questions that dominated technical interviews prior to now, stay coding classes enable corporations to look at a developer’s creativity in a practical growth atmosphere. They provide a clearer perception into how a candidate thinks, codes, and problem-solves on the spot.
  • Genuine work simulation: Conventional whiteboard issues usually obtain criticism for not precisely representing the work builders do each day. Reside coding interviews are extra in step with the precise challenges builders face, offering a real take a look at of their technical and job-relevant expertise. Interviewers can add a digital whiteboarding element to stay coding interviews to evaluate system design and comparable expertise. 
  • Dynamic and versatile atmosphere: Interviewers can adapt the issues, introduce new constraints, and ask pointed follow-up questions as they observe the developer’s strategy. This dynamic setting makes for a extra complete analysis than static questions may.


  • Stress-inducing scenario: Probably the most outstanding criticisms of stay coding interviews is the stress they impose on candidates. Coding beneath the watchful eyes of interviewers might be intimidating, probably affecting efficiency and never actually reflecting a candidate’s capabilities in a relaxed atmosphere.
  • Danger of subjectivity and bias: An interviewer’s notion might be swayed by minor errors {that a} developer may commit beneath stress, even when they’re well-qualified. Or, query wording could embody culturally-specific references that damage the efficiency of candidates with the requisite technical expertise. This might result in overlooking in any other case distinctive candidates.
  • Logistical challenges: Establishing a easy stay coding atmosphere requires a secure web connection and typically a particular setup, which might be time-consuming or may face technical glitches.

Understanding these professionals and cons permits interviewers and engineering managers to make knowledgeable choices about how, when, and why to deploy stay coding interviews of their hiring processes.

Tips on how to put together to conduct a stay coding interview

The easiest way to organize to conduct a stay coding interview is to be completely aware of the expectations of the position you’re hiring for and the challenges the potential candidate could face on the job. This implies having a transparent understanding of the core information, expertise, skills, and different traits—or KSAOs, which IO Psychologists use to conduct a job analysis to align job descriptions and hiring practices to the necessities of a job. For software program builders and engineers, this can embody core laptop science information and expertise and, for some roles, particular programming languages (Java, Ruby, and so on.), instruments, and frameworks. 

Firstly, it’s essential to utilize a technical hiring platform conducive to the interview. An integrated development environment (IDE) or an internet code editor that you just and the candidate are snug with can make sure the coding interview course of permits interviewers to successfully assess candidates’ job-relevant expertise. Familiarize your self with the instruments, and ensure there’s a straightforward means for the candidate to entry and use them with none technical glitches. 

Secondly, get clear on the role-relevant ideas and expertise in laptop science that you just intend to guage. Matters like algorithms and knowledge constructions, together with arrays, linked lists, and graph traversal, are widespread areas of focus. Create a structured interview made up of coding challenges which can be related to the position and that enable candidates to showcase their understanding and utility of those ideas. Issues like discovering anagrams or designing a particular algorithm might be insightful. 

To make the interview extra sensible, use a collection of coding questions that construct on one another, rising in complexity because the interview progresses; these are also referred to as progressive questions. Progressive questions successfully simulate actual growth work within the interview atmosphere, permitting interviewers to achieve a robust sign of candidates’ job-relevant expertise.

Bear in mind, the objective of a stay coding interview or technical interview is not only to check the candidate’s information but in addition to see how they strategy and resolve issues in real-time. Thus, having a steadiness of basic and difficult issues will provide you with a complete view of the candidate’s expertise and potential.

Selecting a stay coding interview platform

When deciding on a platform for stay coding interviews, it’s important to think about the wants of software program engineers and the precise necessities of the interviewing course of. A really perfect coding interview platform ought to provide real-time collaboration options, permitting each the interviewer and the candidate to concurrently view, write, and edit code. This real-time interplay is essential in understanding a candidate’s thought course of and digging deeper into their problem-solving skills. Different options that improve the coding expertise embody syntax highlighting and autocomplete, which mimic the atmosphere software program engineers are accustomed to and permit them to concentrate on extra advanced expertise in the course of the interview.

Among the many plethora of evaluation instruments out there, Pylogix stands out as a tech recruiting platform tailor-made for enterprise wants. It not solely encompasses all of the aforementioned options but in addition affords a complete atmosphere that facilitates the engineering interview course of. With its live interviewing solution that features full terminal entry, stay front-end and cell utility preview, syntax highlighting, autocomplete, and extra, Pylogix gives a seamless expertise for each interviewers and candidates.

Cell gadget emulator in Pylogix’s IDE

Tips on how to conduct a stay coding interview

Conducting a stay coding interview requires a mix of preparation, information of the abilities required for the position, and the proper interviewing instruments. Whereas many organizations initially leaned in the direction of acquainted platforms like Zoom or Microsoft Groups for stay interviews, it’s important to acknowledge that these instruments weren’t designed with technical hiring in thoughts. Conducting a technical interview on such platforms can result in a subpar expertise, each for the interviewer and the candidate. As an alternative, hiring groups will see considerably higher outcomes through the use of platforms constructed particularly for technical interviews. These platforms usually provide options that enable each the candidate and the interviewer to edit and run code in real-time, streamlining the interview course of and making certain easy collaboration.

Earlier than the interview, make sure that all technical settings are in place, and each you and the candidate have entry to the platform. Start the interview with a quick introduction and set clear expectations about what the technical interview will entail. This helps put the candidate comfortable and gives readability on how the session will proceed. Then, current the coding downside and let the candidate stroll you thru their thought course of and strategy. When you’re utilizing progressive questions, you’ll begin first with less complicated challenges to assist the candidate “heat up,” then construct towards extra advanced necessities and issues.

Through the interview, concentrate on understanding the candidate’s strategy quite than simply the ultimate answer. This will provide you with insights into their problem-solving expertise, adaptability, and depth of data. A profitable stay coding interview is one the place the candidate has had the chance to showcase their expertise in an atmosphere that mimics real-world eventualities, and the place the hiring staff can confidently assess a candidate’s match for the position.

Assessing the candidate after a stay coding interview

One of many main targets of a stay coding interview is to evaluate a candidate’s coding expertise and problem-solving skills in real-time. To realize this, interviewers shouldn’t simply concentrate on whether or not the ultimate code works, but in addition on the journey the candidate takes to reach on the answer. How does the candidate strategy the issue? Do they break it down logically, or do they rush into coding with out a clear technique? Evaluating their problem-solving strategies affords useful insights into how they may sort out challenges on the job. Moreover, the standard of the code they produce—its readability, effectivity, and construction—speaks volumes about their experience and a spotlight to element.

Given the subjective nature of such assessments, it’s essential to have a standardized strategy to evaluating candidate efficiency to make sure equity and consistency. Using a rubric might be instrumental on this regard. A well-defined rubric permits interviewers to guage a candidate’s expertise objectively, decreasing biases and offering a clearer image of the candidate’s strengths and areas for enchancment. By specializing in quantifiable skills, like code high quality, effectivity, and problem-solving methods, interviewers could make extra knowledgeable choices and make sure that analysis standards are constant throughout a number of candidates.

Remaining ideas

Reside coding interviews have carved a novel area within the tech hiring panorama, providing a hands-on strategy to guage builders’ and engineers’ technical expertise and problem-solving methods. This technique has clear benefits, akin to presenting an genuine image of a developer’s job-relevant information and expertise. Nonetheless, hiring groups ought to take steps to assist candidates know what to anticipate for these interviews to cut back candidates’ stress. 

To conduct these interviews effectively, interviewers have to be well-prepared and aware of the job-relevant expertise required of the position they’re interviewing for. Choosing the proper platform is equally very important; groups ought to use tech hiring instruments designed particularly for technical interviews and assessments. Lastly, an goal evaluation of the candidate after the interview, assisted by a structured rubric, ensures fairer and extra constant evaluations, offering a holistic understanding of the candidate’s skills.

Pylogix Interview is a complicated built-in growth atmosphere (IDE) with stay collaboration, together with video and audio calling. It gives candidates the coding instruments they really use on the job with a terminal, filesystem, and stay frontend preview—multi functional window, and permits interviewers to work alongside candidates.

Able to study extra about leveling up your stay coding interviews? Schedule a call with considered one of Pylogix’s tech hiring consultants at present.