Medior/Senior Front-End Developer (.net core)

Yellowtail Conclusion

Visa sponsorship not verified
€40,800–€63,600 per yearBelow Blue Card threshold
Permanent residency after about 5 yrs
Citizenship after about 5 yrs
Work language: likely English (posting is in English)

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About the role

Introduction At Yellowtail Conclusion, we develop software that strengthens digital security in one of the most digitized countries in the world: the Netherlands. One of our flagship products, Key Control Dashboard (KCD) , enables organizations to manage risks effectively through smart, user-friendly technology. To keep innovating, we re looking for a Medior Front-End Developer who enjoys working with front-end technologies. You ll join a passionate, highly skilled development team based entire…

This source only shares an excerpt. Full description on the employer’s site (opens in new tab)

Social security agreement

Add your citizenship in your answers and we’ll check whether Netherlands has an agreement with your country.

Location Insights: Naarden, Noord-Holland

Take-home pay (Country tax)
About €2,730 a month after tax (at the midpoint of the posted range), using the average rate of 37.2% for a single employee on a higher salary
Weather (City)
Amsterdam (nearest reference city): summer highs about 72°F / 22°C, winter highs about 44°F / 7°C
Safety (Country)
Very high peacefulness (Global Peace Index rank 17)

Salary

€40,800–€63,600 per year

The posted salary is below the Netherlands EU Blue Card minimum of €5,942 per month. See the visa routes below for every requirement.

Work visa routes in Netherlands

EU Blue Card

Salary at least €5,942 per month (gross per month, excluding the 8% holiday allowance). €4,754 per month for graduates who apply within 3 years of graduating.

An employment contract at or above the salary threshold
A diploma from a higher education course that lasted at least 3 years

Without a degree

At least 5 years of relevant work experience at a level comparable to a higher education diploma
IT managers and IT professionals: at least 3 years of relevant work experience in the 7 years before applying

Source: IND (Immigration and Naturalisation Service): Coming to work in the Netherlands(opens in new tab) · checked 5 October 2026

Highly skilled migrant

Salary at least €5,942 per month (age 30 or older; gross per month, excluding the 8% holiday allowance). €4,357 per month for people under 30 (€3,122 for recent graduates).

An employer that is an IND recognised sponsor
A salary at or above the threshold for your age

Without a degree

No degree is required for this route

Source: IND (Immigration and Naturalisation Service)(opens in new tab) · checked 5 October 2026

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Work visas in Netherlands

How long a decision takes

The IND must decide within 90 days (the decision period), and can extend it, for example if the application is incomplete. (IND: Highly skilled migrant(opens in new tab), checked 6 October 2026)

Work permits issued in 2025

20,673 first permits for work
336 EU Blue Cards
10,422 highly skilled worker permits

First permits only, all nationalities. Eurostat (migr_resocc)(opens in new tab), updated 28 September 2026.

What if this job doesn’t work out?

If the job ends

As a highly skilled migrant you have up to 3 months to find a new job. If your job ended on or after 22 May 2026 and you’ve held the permit for 2 years or more, you have up to 6 months. The search period can’t be longer than your permit is valid. (IND: Highly skilled migrant(opens in new tab), checked 6 October 2026)

Probation

No probation period on contracts of 6 months or less; at most 1 month on temporary contracts of more than 6 months but less than 2 years; at most 2 months on permanent contracts and temporary contracts of more than 2 years. (Business.gov.nl (Netherlands government): trial period(opens in new tab), checked 6 October 2026)

General information from official sources, not legal advice. Your contract and permit decide the details.

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