Role

Software Engineer

Builds and maintains software applications or services that solve user problems.

13 chaptersAbout 5–6 months15–30 min a day15 skills2 projects
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Chapter 1 is free. No card needed.

Day 1 on the Software Engineer path.

What a Software Engineer does

Designs, builds, tests, and improves software so people and organizations can solve tasks faster and more reliably.

  • Design software features based on user needs and technical constraints
  • Write and review code to build apps, APIs, and background services
  • Test, debug, and fix issues found in development and production
  • Work with product and design to clarify requirements and tradeoffs
  • Improve performance, reliability, and security of existing systems
  • Automate repetitive tasks like builds, deployments, and monitoring
  • Document decisions and keep codebases maintainable for the team

A day in the life

  1. Check messages, dashboards, and bug reports to spot urgent issues
  2. Plan work in a short team sync, then focus on coding blocks
  3. Pair or review code, then update tests and documentation
  4. Investigate a tricky bug, reproduce it, and ship a safe fix
  5. Share progress and risks, then adjust plans as requirements change

Tools you will use

Programming languages: Python, Java, JavaScript, C#Version control: GitIssue tracking: Jira, GitHub IssuesCI and CD: GitHub Actions, GitLab CIContainers: DockerDatabases: SQLCloud platforms: AWS, Azure, Google CloudMonitoring: Grafana, Prometheus

Your plan

Chapter by chapter.

1~2 wks

See the work of a Software Engineer

StartFree
2~2 wks

Programming basics and other people's code

Skills
3~2 wks

Testing, reviewing and merging code

Skills
4~2 wks

Architecture write-up: explain a system you built

Proof
5~2 wks

System Design and Infrastructure

Skills
61–2 wks

Meet people doing the work

People
7~2 wks

Data and Security

Skills
8~2 wks

Problem Solving and Adaptability

Skills
9~2 wks

Collaboration and Communication

Skills
10~2 wks

URL shortener service with rate limiting and click analytics

Proof
111–2 wks

Prepare for Software Engineer interviews

Interview
121–2 wks

Choose your route into Software Engineer work

Decide
13on your timeline

Apply for Software Engineer roles

Apply

By the last chapter

This is what you can show.

Things you've made

Architecture write-up: explain a system you built and URL shortener service with rate limiting and click analytics

Skills you can prove

15 skills, each rated on work you actually did.

People you've talked to

3 people who do the job, with a message ready for each.

Questions you can answer

20 interview questions and a mock interview, with feedback.

Credentials

12 credentials compared, so you can pick one, or decide you don't need one. None is required.

Ways in

There is more than one route.

Ways to study

  • Bachelor degree in computer science, software engineering, or related field
  • Diploma or certificate in programming or IT with strong project work
  • Coding bootcamp focused on web or backend development
  • Apprenticeship or employer training program with mentored delivery work

How people get their first job

  • Build a small portfolio with 2 to 4 deployed projects and clear README files
  • Apply for internships or trainee programs that include code reviews and testing
  • Contribute small fixes to open source projects to learn team workflows
  • Start in QA or IT support and move into automation and scripting tasks
  • Earn a practical certificate in cloud or programming fundamentals and ship projects

Life skills on this path: Networking · Job interviews · Job search

How the work is changing

What AI is doing to this role

How AI is changing this role · one of 6 tasks we track

Debug failures and fix defects

Sped up a lot

What AI does

AI reads the stack trace and proposes a fix in seconds.

Still yours

Root cause judgement on complex systems stays with you.

Reviewed September 2026

In the app · Premium

The rest is in the app

  • How AI affects the other 5 tasks
  • Whether this job is growing or shrinking
  • How hard the first job is to get
  • Similar roles that are easier to get into
  • Updated every month, with sources
See it in the app →

How we rate a job →

Already working

Already a Software Engineer?

Plan your move to Senior Software Engineer: 12 chapters that end with a strong case for your next review.

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Questions

Questions about this path

How long does it take to become a software engineer with Welica?

The path is 13 chapters, 5–6 months at 15 to 30 minutes a day. You can go faster or slower; the plan moves with you.

Do I need a degree?

Not always. Common routes are bachelor degree in computer science, software engineering, or related field, diploma or certificate in programming or IT with strong project work, coding bootcamp focused on web or backend development, or apprenticeship or employer training program with mentored delivery work.

What is free?

Chapter 1, See the work of a Software Engineer, is free for good. Premium unlocks the rest of the path.

Start the Software Engineer path.

Chapter 1 free. About 15 to 30 minutes a day.

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