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Vocabulary · 12

API

/ˌeɪ.piːˈaɪ/

A contract that lets two pieces of software talk to each other.

“We exposed the user data through a REST API.”

Backend

Beginner

Practice

Authentication

/ɔːˌθen.tɪˈkeɪ.ʃən/

The process of verifying who a user is.

“We added OAuth-based authentication this sprint.”

Security

Intermediate

Practice

Authorization

/ˌɔː.θər.aɪˈzeɪ.ʃən/

Deciding what an authenticated user is allowed to do.

“Role-based authorization keeps admin routes safe.”

Security

Intermediate

Practice

Deploy

/dɪˈplɔɪ/

To release code into a running environment.

“We deploy to production every Tuesday.”

DevOps

Beginner

Practice

Repository

/rɪˈpɒz.ɪ.tər.i/

A storage location for source code or data.

“Clone the repository and run the dev server.”

Backend

Beginner

Practice

Container

/kənˈteɪ.nər/

A lightweight, isolated environment for running software.

“Each microservice runs in its own container.”

DevOps

Intermediate

Practice

Grammar · 8

Present Tenses

4.8

Present Perfect

Use the present perfect to connect past actions with their relevance now — perfect for changelogs and release notes.

Progress

75%

15 min

Intermediate

Past Tenses

4.6

Past Perfect

Describe an action that happened before another past event.

Progress

40%

12 min

Intermediate

Passive

4.7

Passive Voice

Shift focus from the doer to the action. Essential for docs.

Progress

20%

18 min

Intermediate

Conditional

4.9

Conditional Sentences

Talk about real and unreal situations across all four conditionals.

22 min

Advanced

Modal Verb

4.5

Modal Verbs

Express ability, permission, possibility and obligation.

10 min

Beginner

Reported Speech

4.4

Reported Speech

Report what someone said with the correct tense backshift.

16 min

Intermediate

Lessons · 6

Java

Intermediate

English for Java Engineers

Talk fluently about classes, JVM, and Spring during interviews and standups.

32 min

Start

Git

Beginner

Git: Day-to-day English

Pull requests, rebases, conflicts — explained the way native engineers say them.

18 min

Start

Docker

Intermediate

Docker in Plain English

Containers, images, volumes — without the jargon overload.

24 min

Start

Spring

Advanced

Spring Conversations

Beans, contexts, dependency injection — and how to discuss them at a whiteboard.

28 min

Start

System Design

Advanced

Talking About System Design

Vocabulary and phrases for design interviews and architecture reviews.

36 min

Start

Agile

Beginner

Agile Standups in English

Yesterday, today, blockers — say it cleanly in under a minute.

12 min

Start

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