What the role involves
Use static types to make web applications easier to maintain. Show how you model domain data and validate input at runtime.
Skills to highlight
- TypeScript
- JavaScript
- React
- Node.js
- API
For TypeScript developer vacancies, start with TypeScript, JavaScript and React. Match the exact stack to the employer and support every claimed skill with a project, decision or measured result.
What to show in your portfolio
A typed client and server contract with runtime validation.
For a TypeScript developer portfolio, explain why you chose TypeScript and JavaScript, show how the result was verified and document one limitation or trade-off. Share only material you may publish.
Find the right level
Junior
Show the fundamentals of TypeScript and JavaScript in a small finished project such as: A typed client and server contract with runtime validation Explain setup, tests and what you changed after feedback.
Middle
Demonstrate independent delivery as a TypeScript developer: turn a requirement into a working result, handle edge cases involving JavaScript and React, and support the solution after release.
Senior
Show ownership of architecture, risk and team decisions around TypeScript, JavaScript, React. Explain impact, operational limits and how you helped other specialists make better decisions.
What to prepare for an interview
Build a short story around your example: A typed client and server contract with runtime validation Be ready to connect the result to the following areas rather than only defining terms.
- Prepare one TypeScript developer example where TypeScript changed a design, debugging or validation decision.
- Prepare one TypeScript developer example where JavaScript changed a design, debugging or validation decision.
- Prepare one TypeScript developer example where React changed a design, debugging or validation decision.
- Prepare one TypeScript developer example where Node.js changed a design, debugging or validation decision.
- Prepare one TypeScript developer example where API changed a design, debugging or validation decision.
How to approach your job search
- Search for TypeScript developer roles and compare responsibilities, not only the title. Include JavaScript developer, HTML/CSS / frontend specialist, UI/UX designer when the vacancy overlaps those areas.
- Adapt your CV to the vacancy using accurate evidence for TypeScript, JavaScript and React; remove technologies you cannot discuss in depth.
- Prepare the portfolio example “A typed client and server contract with runtime validation” as a concise problem–action–result story and record the questions you receive in interviews.
Before you apply
Which skills matter most for a TypeScript developer?
Start with TypeScript, JavaScript and React, then compare the employer’s product and stack. The strongest CV names fewer skills but connects each one to evidence.
What can replace commercial TypeScript developer experience?
A finished and reviewable project can demonstrate useful evidence. A strong starting example is: A typed client and server contract with runtime validation Label personal, academic and open-source work accurately and state your own contribution.