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How to learn software engineering: A beginner's guide

Discover what software engineering is, how to choose a learning program that fits your goals, and what kinds of careers may be open to you in the industry.

What is software engineering?

Software engineering is a branch of computer science that applies engineering principles in order to the design, develop, test, and maintain software. The primary goal of software engineering is to produce high-quality, dependable, and effective software while completing the project on time and within a given budget.

While most software engineers hold a bachelor's degree in computer science or information technology (IT), successful software engineers continuously expand their skills to stay current with rapidly evolving technologies and practices.

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How to learn software engineering

  1. Create a learning plan

  2. Start by looking into software engineering specializations like:

    • Web development (front-end, back-end, or full-stack development)
    • Development operations
    • Information security
    • Machine learning.

    Figuring out what interests you most will help you decide which programming languages and specialized skills to focus on early in your learning process.

    Next, assess your current skill level. How much time you can commit to studying software engineering (full-time or part-time), and what type of learning format works best for you? Options range from self-paced online courses to more structured pathways, like bachelor's degrees, microcredentials, or certificate programs.

    Once you've outlined your direction, consider setting SMART goals and build a timeline. This may help you remain focused, track your progress, and hold yourself accountable as you move forward.

  3. Master the prerequisite skills

  4. Build a strong foundation with core computer science concepts like:

    • Algorithms
    • Data structures
    • Computing systems
    • Infrastructure

    Learning the basics of programming languages such as Python and JavaScript may also help you gain fluency in essential coding languages. Courses like Harvard University's CS50x: Introduction to Computer Science and Massachusetts Institute of Technology''s Introduction to Computer Science and Programming Using Python provide the fundamentals that may be prerequisites for advanced software engineering courses.

  5. Start learning software engineering skills

  6. Enroll in specialized courses or programs that build on the foundational computer science knowledge. With programs like IBM's MicroBachelors® in Full-Stack Application Development or the Full-Stack Developer Professional Certificate, you can learn about:

    • Software design and development
    • Cloud computing
    • Database management

    Once you've built this technical foundation, apply your skills through personal or open-source projects to gain experience and build your portfolio.

What can you expect from a software engineering program?

Software engineering programs cover a variety of topics related to software design, development, and maintenance. Courses often emphasize programming and coding languages such as Java, Python, C/C++, and JavaScript, though the curriculum may vary depending on program type or provider.

Typical coursework may include:

  • The software development life cycle
  • Best practices in software design and web development
  • Software testing, verification, and validation
  • Software project management
  • Algorithms
  • Computer architecture
  • Data structures
  • Computer networks
  • Operating systems
  • Database design
  • Artificial intelligence

How long does it take to learn software engineering?

The time it takes to learn software engineering varies depending on the learning path you choose to pursue. If you decide to earn a bachelor's degree in computer science, for example, it can take at least four years of full-time study. However, you can start learning the basics from short courses that only take 4-6 weeks to complete.

How to choose the best software engineering program for you

When choosing a software engineering program, consider factors such as time commitment, desired skills, career advancement prerequisites, and evolving industry demands. Explore edX's online software engineering programs to find the best fit for you:

  • Courses: Software engineering courses are usually quicker than options like degrees — around 4-6 weeks is common. They're perfect for learners who are just starting out or want to build a new skill.
  • Certificates: edX offers a variety of Professional Certificates in software engineering. These programs are geared towards professionals who want to enhance their résumés or learn new skills while maintaining their established careers.
  • Executive education programs: Executive education programs in software engineering are an appealing option for seasoned professionals who want to grow their software engineering skills. Some have a short time commitment of around 10 weeks.
  • Degrees: A bachelor's in software engineering program is a good choice for anyone considering a career in the field. These programs typically take four years of full-time study to complete. A master's in software engineering program might be an attractive option if want to earn an advanced degree.

Jobs that use software engineering

Building up your software engineering knowledge and skill set can help open doors to a variety of careers, including:

Software Developer

Software developers design computer applications and programs and oversee their maintenance. They may make recommendations to their clients about application upgrades.

  • Required education: Bachelor's degree in computer science, IT, or a related discipline
  • Bureau of Labor Statistics (BLS) median annual salary (2024): $133,080
Computer Systems Analyst

Computer systems analysts study an organization's IT systems and identify ways to improve them. They might also oversee the installation of new systems and make customizations to meet the organization's needs.

  • Required education: Bachelor's degree in computer science or IT
  • BLS median annual salary (2024): $103,790
Quality Assurance Analyst

Quality assurance analysts test and identify problems with applications or programs and work to minimize them.

  • Required education: Bachelor's degree in computer science or IT
  • BLS median annual salary (2024): $102,610

Your next steps to learn software engineering online with edX

  1. Begin with foundational courses

  2. If you are new to software engineering, consider starting with foundational courses like IBM's Software Engineering Basics for Everyone. Once you know more about the industry and potential career paths, you can define your goals and advance your knowledge strategically.

  3. Enroll in a program that fits your career path

  4. Various specialized software engineering courses, professional certificates, and online master's programs on edX cater to different career goals. Look for options that suit your objectives.

    Potential paths to explore:

  5. Stay up-to-date on industry insights through continuous education

  6. Stay on top of software engineering advancements by pursuing ongoing education. Explore online software engineering programs and courses as your career progresses.

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    Frequently asked questions

    How do you become a software engineer without a degree?

    Because software engineering is a skills-based career, it's possible to learn the fundamentals of the field outside of a physical college classroom. You can do this by:

    • Enrolling in a software engineering certificate program
    • Completing self-directed study in a free online course
    • Exploring online tutorials, projects, and tools
    What programming languages do software engineers use?

    Software engineers must typically learn Python, Java, JavaScript, HTML/CSS, C++, SQL, Ruby, PHP, Swift, and Go.

    What do entry-level software engineers do?

    Entry-level software engineers may work with mid-level and senior-level software engineers to design, develop, test, maintain, and update software applications and programs. Entry-level professionals typically manage more routine tasks as they familiarize themselves with the company's codebase and develop their programming skills.

    Is it hard to become a software engineer?

    With training and persistence, you can learn all the skills you need to become a software engineer, including programming languages, data structures, algorithms, testing and debugging procedures, database knowledge, software frameworks, and cloud platforms.

    A short software engineering course might help you discover if this career path would be a good fit for you. It may also be helpful to learn Linux, an open-source operating system that's popular among software engineers.

    What is the difference between a software engineer and a software developer?

    Though the terms are often used interchangeably, there are distinct differences between the two:

    Software developers build applications or programs that meet the needs of the client and end-user. Their work is often smaller scale and may focus on one aspect of a larger software program.

    Software engineers address high-level problems and create systems and infrastructure for the entire lifecycle of a program. Their work looks at the big picture instead of focusing on a single application or program.