Ha sikerül az állásinterjú, kezdődhet a távmunka.

A very literal breakdown is:

• Ha = if
• sikerül = succeeds, works out, goes well
• az állásinterjú = the job interview
• kezdődhet = can begin, may begin
• a távmunka = the remote work / remote-working arrangement

So the whole sentence is roughly:

If the job interview goes well, remote work can begin.

Here sikerül does not mean to succeed at something in the English pattern I succeed the interview. Hungarian often expresses this idea differently.

sikerül means something like:

• to succeed
• to work out
• to turn out well
• to go well

So sikerül az állásinterjú is literally the job interview succeeds / goes well.

That is a very normal Hungarian way to express the idea.

Because Hungarian often frames this kind of situation around the event, not the person.

So instead of saying I succeed the interview, Hungarian can say:

• sikerül az állásinterjú = the interview goes well
• sikerül a vizsga = the exam goes well

This does not mean the person is unimportant; it is just a different way of packaging the idea.

If Hungarian wants to highlight the person, it can do that in other ways, but in this sentence the focus is on the successful outcome of the interview itself.

Hungarian word order is flexible and depends a lot on topic and focus, not just on a fixed English-style subject-verb order.

In sikerül az állásinterjú, the clause is presented in a fairly neutral, event-focused way: if the interview goes well.

If you said az állásinterjú sikerül, that is also possible, but it gives az állásinterjú more topical weight, as if you are talking specifically about the interview as the established topic.

So the given version sounds natural because it presents the whole event smoothly inside the if clause.

There is no difference in meaning. Both mean the.

Hungarian uses:

• a before a consonant sound
• az before a vowel sound

So:

• az állásinterjú because állásinterjú starts with a vowel sound
• a távmunka because távmunka starts with a consonant sound

This is just the normal form of the definite article.

Hungarian often uses the definite article when the thing is specific or understood from context.

Here both are easy to read as specific:

• az állásinterjú = the particular job interview being talked about
• a távmunka = the remote-work arrangement connected with that job

So even if English might sometimes say something more general, Hungarian often prefers the definite article when the referent is identifiable from the situation.

kezdődhet comes from kezdődik, which means to begin or to start.

Then Hungarian adds -hat/-het, which often gives the meaning of:

• can
• may
• is able to
• is allowed to
• is possible to

So kezdődhet means something like:

• can begin
• may begin
• can now start

In this sentence, it suggests that once the interview is successful, starting remote work becomes possible or permitted.

This is an important distinction.

• kezd = to start something

  • transitive
  • someone starts an object

• kezdődik = to begin

  • intransitive
  • something begins

So:

• A munka kezdődik = the work begins
• Valaki kezdi a munkát = someone starts the work

In your sentence, a távmunka is the thing that begins, so Hungarian uses kezdődik → kezdődhet.

If you used kezdhet, that would suggest an understood person who can start something.

It can express more than one of those, and context decides which reading is strongest.

With kezdődhet, possible shades are:

• possibility: remote work can begin
• permission/authorization: remote work may begin
• practical readiness: remote work is now able to start

In this sentence, the strongest feeling is usually possibility following a condition: if the interview goes well, then remote work can go ahead.

Because Hungarian commonly uses the present tense for future events when the future meaning is clear from context.

That is especially common after ha.

So:

• Ha sikerül... = if it goes well / if it succeeds

This works much like English If the interview goes well...
English also uses a present form there, not if it will go well.

Hungarian could use explicit future forms in some cases, but here the present is the normal choice.

Because Hungarian usually does not use subject pronouns unless they are needed for emphasis or contrast.

In this sentence, the subjects are already stated:

• az állásinterjú is the subject of sikerül
• a távmunka is the subject of kezdődhet

So no extra pronoun is necessary.

This is very typical Hungarian style.

Because Ha sikerül az állásinterjú is a subordinate if clause, and it comes before the main clause.

Hungarian normally separates that fronted subordinate clause from the main clause with a comma:

• Ha sikerül az állásinterjú, kezdődhet a távmunka.

This is standard punctuation.