Whether you’re trying to break into tech, prepare for the job search, or level up in your current role, it helps to know that you’re not alone in your journey to build your technical skills. That’s why we’re sharing stories from learners like you: to motivate and inspire others in their learning endeavors. Our latest learner story comes from Abbey Helterbran, a recent college grad and, now, full-time tech consultant for a software service company. Abbey took courses on Pandas and data analysis on CodeSignal Learn to refresh and level up coding skills that she uses on the job.  What did yo ..read more

Introduction Do you enjoy making sense of numbers, using statistics, and creating visualizations of data? If so, a career in data science is likely a good fit for you. Becoming a data scientist is a smart career move, too: data scientists in the US earn an average salary of over $150,000 per year, and the US Bureau of Labor Statistics expects demand for this role to grow 35 percent by 2032. At the Big Five tech companies—Google, Meta, Amazon, Apple, and Microsoft—data science skills are among the most in-demand skills for their open technical roles.  To break into this lucrative career pa ..read more

We are living in exciting times, where technology is advancing faster than ever before. Recent innovations in generative AI are just the latest example of this. With each technological innovation comes the need for new technical skills, and the creation of new jobs specializing in those skills. For companies, this means that skills gaps on their technical teams are growing, quickly. One way that companies address these skills gaps is through hiring new talent. Since 2015, CodeSignal has helped hundreds of top companies find and hire technical talent with the right skills for their teams. Hirin ..read more

Becoming a better software engineer requires more than mastering algorithms or learning new programming languages. It’s about evolving into a more well-rounded professional who can tackle different aspects of the engineering craft. But there are many ways to get there, and that can make the journey confusing.  Should you become an expert in one language, or achieve basic fluency in many? What about all this AI hype—should you focus on learning that? How can you balance your career development with your day job? Whether you’re just starting out or looking to refine your skills, these are c ..read more

Whether you’re trying to break into tech, prepare for the job search, or level up in your current role, it helps to know that you’re not alone in your journey to build your technical skills. That’s why we’re sharing stories from learners like you: to motivate and inspire others in their learning endeavors. Our first learner story is from Braden Cook, a senior at Utah State University majoring in Computer Science. Braden took courses in data science and software engineering on CodeSignal Learn to build his skills in preparation for going on the job market this year. What job are you hoping to l ..read more

Navigating the move from a junior to a senior software engineering role can be daunting. Many junior engineers feel uncertain about what skills to hone, experiences to build, and strategies to use to advance to a senior-level role. Add to that the dizzying complexity of advanced software systems and the pressure to lead projects successfully, and the responsibilities of a senior software engineer may seem overwhelming.  This guide is designed to demystify this journey by offering clear, actionable insights tailored specifically for early-career software engineers aiming to elevate their c ..read more

If you read the latest news and op-eds on technical hiring today, it may seem like the tech industry has been overtaken by the need for skills in one hot new area: AI engineering. Generative AI tops the list for in-demand technical skills published by McKinsey, Forbes, TechCrunch, and many others, many of whom predict that tools like ChatGPT will fundamentally change how developers build software. But, do these predictions play out in the current job market? Where do AI skills rank among the skills that top tech companies are actually hiring for in 2024? We analyzed 1,000s of job postings from ..read more

Not sure what to practice? In this guide, we delve into a wide array of C++ problems, ranging from fundamental syntax and basic data structures for beginners, to advanced concepts like object-oriented programming (OOP) and efficient memory management for experienced developers. Each problem is accompanied by a detailed solution and an explanation to aid in understanding the solution and to deepen your grasp of the underlying concepts. Whether you’re starting your journey in C++ or looking to refine your expertise, this guide serves as a valuable resource to navigate through the intricacies of ..read more

Getting started Python is one of the most popular coding languages in the world—from building web apps to powering AI innovations. Its widespread usage can be attributed to its simplicity, robust community support, and versatility. As a result, proficiency in Python can give you a significant advantage in the job market as you look for your next role, whether you’re a more senior engineer or looking for your first tech job. This guide is tailored to prepare you for Python-related interviews. It covers a wide spectrum of questions, from foundational Python concepts to advanced domain-specific c ..read more

Machine learning, a subset of artificial intelligence, has rapidly transformed into an indispensable tool across various industries. By leveraging algorithms that parse data, learn from it, and then make decisions or predictions, machine learning is not just automating tasks but enhancing human decision-making. In the realm of professional development, machine learning can revolutionize the way organizations approach learning and training. Gone are the days of one-size-fits-all training programs. Today, the emphasis is on personalized learning — a tailored educational approach that caters to t ..read more