Job

Senior software developer Java or Python

JavaPharma and life sciencesPublished anonymouslyPartner vacancy

An international organisation providing services and supplies for clinical research.South HollandRef. 4246976

Applications closed
StatusArchivedPosted23 March 2026
This job is archived and stays in the database as a record of the market

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Key facts

Job title
Senior software developer Java or Python
Market
JavaJava
Place
South Holland
Salary per month, 40 hours
€5,000 to €7,250Estimated from comparable jobs in this market, level and region.
Hours per week
36 to 40
Contract
Permanent
Level
Senior
Education
Bachelor (HBO)
Experience
5 years
Work mode
Not stated
Languages
English
Industry
Pharma and life sciencesPharma and life sciences
Employer
End-user organisation
Posted
23 March 2026

Job description

About the role

An international organisation in clinical research services is looking for a senior developer. This is a newly created role within a global IT and development team. You support the growth of the business applications and guide less experienced developers.

What you bring

  • Experience with ERP, data migration, validation, and audit trails in regulated environments
  • Fluent English, both spoken and written
  • HBO degree in IT, computer science, or a related field, or equivalent experience
  • Experience with API development such as REST, XML-RPC, and OpenAPI
  • At least 5 years of experience as a full-stack lead developer in Java, Python, or JavaScript
  • Experience with OAuth2, SAML, and OpenID, search engines, CI tooling, and Git
  • Knowledge of cloud architecture, AWS, and relational databases such as Postgres, MySQL, or Oracle

What you get

  • Around four trips a year, some of them international
  • Full-time senior role within a global IT and development team
  • Newly created position with room to shape it yourself

What you will do

  • Work with external vendors and clients on integrations with the applications
  • Support the testing and validation of the applications
  • Make sure the applications meet scaling and growth requirements
  • Guide developers in the design and build of business applications
  • Identify and fix security, compliance, and usability risks
  • Document system designs, configuration, and operating instructions thoroughly
  • Advise internal and external users on resolving operational issues

Skills

12
  • Java
  • Python
  • JavaScript
  • REST
  • XML-RPC
  • OpenAPI
  • AWS
  • Postgres
  • MySQL
  • Oracle
  • OAuth2
  • SAML

Growth path

Next step: Lead in Java10 jobs

Median €6,500, middle half €6,500 to €6,688

Similar jobs

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Private note

Salary

EstimateEstimated from comparable jobs in this market, level and region.

€5,000 to €7,250Estimated from comparable jobs in this market, level and region.

Gross per month for 40 hours, excluding holiday allowance

Confidencebased on 264 Java jobs

Country
Hours
Gross per month at 40 hours
Extras
Net per month
€4,470
Net per year
€53,640
Gross per year
€79,380
Tax and contributions
32%
Employer cost per year
€95,256
Net per hour, 40 hours
€25.79

Net per month at EU average prices: €3,712

Same gross in other countries, net per monthEach country at its customary hours and extra pay, for the gross above at 40 hours.

  • Switzerland (Zurich)€5,231
  • Netherlands€4,470
  • Ireland€4,250
  • Luxembourg€4,220
  • Belgium€3,778
  • Germany€3,711
  • France€3,615

Tip: ask for the salary scale in the first interview. An estimate is a starting point, not an offer.

Useful?
Assumptions and sources

Annual calculation below state pension age. Pension contributions and the 30% ruling are left out.

Tax rules of 2026.

Activity

4
  1. Posted by a partner
  2. Last seen online
  3. Online for 164 days
  4. Text rewritten and checked for anonymity