Role

Data Architect

Designs how data is structured and governed across databases and platforms.

14 chaptersAbout 3 months15–30 min a day14 skills2 projects
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Chapter 1 is free. No card needed.

Day 1 on the Data Architect path.

What a Data Architect does

Designs the blueprint for how an organization stores, connects, and protects data so teams can use it reliably in products and decisions.

  • Design data models and standards for key business areas
  • Map data flows between apps, databases, and analytics tools
  • Define data rules like naming, ownership, and access levels
  • Review new projects to ensure they fit the data architecture
  • Partner with engineers to choose storage and integration patterns
  • Diagnose data issues caused by poor structure or unclear definitions
  • Document architecture decisions and keep diagrams up to date
  • Teach teams how to use shared data definitions and patterns

A day in the life

  1. Meet with product and engineering to clarify data needs and constraints
  2. Review a proposed schema change and flag risks to reporting or privacy
  3. Update diagrams and write guidance for a new data domain
  4. Join a design review to align on integration and data ownership

Tools you will use

Databases: PostgreSQL, MySQL, SQL ServerData modeling: ER diagrams, dimensional modelingData integration: ETL, ELT, APIsCloud data platforms: AWS, Azure, Google CloudCatalog and governance: data dictionary, lineage mappingDiagramming: Lucidchart, draw.ioQuerying: SQLVersion control: Git

Your plan

Chapter by chapter.

1~1 wk

See what data architect work involves

StartFree
2~1 wk

Data modeling and structure

Skills
31–2 wks

Make public dataset deep-dive with a one-page insight memo

Proof
4~1 wk

Meet people who do data architect work

People
5~1 wk

Querying and transforming data

Skills
6~1 wk

Designing and running the platform

Skills
7~1 wk

Data quality and preparation

Skills
8~1 wk

Privacy, governance and risk

Skills
9~1 wk

Communication and collaboration

Skills
10~1 wk

Thinking and adaptability

Skills
111–2 wks

Make mini data glossary plus access request workflow design

Proof
12~1 wk

Practise role interviews

Interview
13~1 wk

Choose a route into data architect work

Decide
14on your timeline

Apply for roles

Apply

By the last chapter

This is what you can show.

Things you've made

Public dataset deep-dive with a one-page insight memo and Mini data glossary plus access request workflow design

Skills you can prove

14 skills, each rated on work you actually did.

People you've talked to

4 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

5 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

  • Bachelors degree in computer science, information systems, or data engineering
  • Diploma or certificate in databases, cloud computing, or data management
  • Bootcamp plus strong portfolio in data modeling and SQL
  • Workplace training through IT rotations or internal architecture programs

How people get their first job

  • Start in roles like data analyst, database administrator, or data engineer
  • Get an internship in data engineering, analytics engineering, or platform teams
  • Build a portfolio with data models, diagrams, and a documented schema design
  • Earn a database or cloud fundamentals certification and practice with projects
  • Volunteer to document data definitions and ownership for a small team

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 5 tasks we track

Design data models and warehouse schemas

Sped up a lot

What AI does

ChatGPT and dbt Copilot generate ERDs and schema drafts from descriptions.

Still yours

You decide how to model for future use cases and growth.

Reviewed September 2026

In the app · Premium

The rest is in the app

  • How AI affects the other 4 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 Data Architect?

Plan your move to Senior Data Architect: 10 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 data architect with Welica?

The path is 14 chapters, 3 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 bachelors degree in computer science, information systems, or data engineering, diploma or certificate in databases, cloud computing, or data management, bootcamp plus strong portfolio in data modeling and SQL, or workplace training through IT rotations or internal architecture programs.

What is free?

Chapter 1, See what data architect work involves, is free for good. Premium unlocks the rest of the path.

Start the Data Architect path.

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

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