Senior Python Developer Interview Questions +Answers

Sign in to create your job alert for Python Developer jobs in United States. Another satisfactory solution is to hire local talent away from competing companies. That’s not easy because many companies try to protect their top talent. In this case, you can seek the help of headhunting companies or assign a dedicated person on your current team to do some investigating. Therefore, let’s dive deeper into your company’s different options to ensure you hire an affordable top-tier professional.

This is far away from reality because the tech stack, even for full-stack developers, is limited to specific technologies. Finding such specialists is difficult, and their salaries will be the highest on the market. One of the top banks on Wall Street is looking for someone with great Python development skills to sit within their business platform team.

Junior Software Engineer (Mobile)

Most Python developers are confused by the last line of the output. Patterns like MVC (Model View Controller) didn’t become popular without reason. Developers learned from the past and have learned from their peers who have solved big software challenges. With that knowledge, they can apply the solutions to their own work.

Senior Python developer

This is a common problem in the software world and can lead to high expectations with low delivery. It can also lead to conflict within the team when your new 15 year 10x Senior Developer refuses to work with others. Assume there is an image that requires heavy processing and this image must be sent to many users.

Looking to hire?

This Senior Python Developer interview profile brings together a snapshot of what to look for in candidates with a balanced sample of suitable interview questions. As a Senior Developer, I would expect another Senior Developer to become productive in something quicker than a Junior Developer. If they’re an expert with Javascript, I would expect them to understand the core principles and patterns of the language.

  • We also have something called Cython, which is the compiled language used to create CPython extensions.
  • For example, a yearly salary of a junior Python developer in offshore countries is about $66K, and for a senior Python developer, you should be ready to pay more than $100K per year.
  • There has been a substantial increase in demand for Python developers in the last couple of years.
  • According to the HackerRank 2023 report, Python is the second fastest-growing programming language, with a growth of 19%.
  • We will start by analyzing how Python’s popularity affects the hiring process, making it difficult for companies to find the ideal candidate.
  • The goal of building great software isn’t necessarily to be unique with every solution.

First of all, you can check online job boards such as Wellfound or Many companies also choose to hire developers by hosting or attending local tech events (hackathons or tech conferences). What that means is that Python is a very popular programming language among developers and large, well-known companies that use it for their software, including Google, Netflix, Facebook, and Spotify. Such a tendency can help you find the best developers, as there are many experienced engineers in the market now with advanced and practical knowledge of this programming language.

Senior Python Developer Job Description Examples

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Senior Python developer

Senior Python Developer responsibilities include participating in all phases of the software development lifecycle and coaching junior developers. If you’re a seasoned developer with a love for back-end technologies, we’d like to meet you. The right candidate will build out and maintain applications in AWS using relational, NoSQL, Python and Snowflake. Companies should compile a list of interview questions based on project requirements.

Role-specific questions

Use this Senior Python Developer job description template to attract experienced developers who build functional server-side applications. A senior Python developer designs, develops, and maintains scalable software systems using Python, collaborates with cross-functional teams, and mentors junior developers. Now on the stack, the reference to a (that is stored on the private heap) is stored.

The garbage collector’s job is to delete the objects (on the private heap) that are no longer referenced, meaning, it deletes the objects whose reference count reached zero. This way the garbage collector frees up some memory space for the Python interpreter. Before answering senior Python interview questions like this one, you must be aware that we are talking about the CPython implementation. Other Python implementations may have different rules and requirements for memory management.

Where should we use Python’s multithreading, multiprocessing, and asyncio libraries?

To address such requirements, we can process this image only once and cache/store the processed version in a variable. This way whenever we want this processed image, we can just make use of that variable and avoid processing the image again. GIL is one of the most controversial and important features of the CPython-based implementation of Python. GIL, or Global Interpreter Lock, is a construct/tool that makes sure that only one thread at a time can execute a Python program.

Pair up and screen share with your code reviewer if they’re having a hard time understanding it. You might be the so-called 10x developer, but doing everything yourself and not helping others can only slow down the overall team. Often you’ll be stuck picking up the pieces that you could have easily caught if you spent an extra second pairing up with someone else on your team.

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