Job description
Job details
- Location: Ypenburg, Den Haag
- Work mode: Onsite
- Employment type: Full-time (Not an internship)
- Salary: EUR 76,800 - 86,400 per year
Role overview
Online Payment Platform is hiring a Senior Backend Developer (PHP) in Ypenburg, Den Haag. This is an onsite, full-time position offering €76,800 - €86,400 per year. You will design and maintain high-availability systems that process millions of secure transactions globally, working on microservices architecture, database optimization, and backend reliability.
Job details
This Senior Backend Developer role is based onsite in Ypenburg, Den Haag. You will work on mission-critical payment infrastructure that cannot go down, collaborating with a team of over 30 experienced engineers. The position focuses on backend craft, including creating and optimizing microservices, improving database performance, and ensuring accuracy, security, and long-term reliability. Salary range is €76,800 - €86,400 annually.
Responsibilities
- Design and maintain high-availability payment platform processing millions of daily transactions
- Create and optimize microservices for scalability and performance
- Improve database performance and ensure data accuracy
- Ensure backend security and long-term system reliability
- Collaborate with 30+ experienced engineers on mission-critical systems
Requirements
- Senior-level PHP development experience (4-7 years)
- Strong expertise in microservices architecture
- Proven experience with high-availability systems
- Deep knowledge of database optimization and performance tuning
- Experience with secure transaction processing systems
- Strong problem-solving and system design skills
Benefits
- Work on globally scaled payment infrastructure
- Collaborate with experienced engineering team
- Competitive salary €76,800 - €86,400
- Mission-critical systems experience