Back End Developer

Persistent Systems; Alphen-Chaam; On-site; EUR 55,000 - 75,000; Full time

Job summary

Persistent Systems in the Netherlands is seeking a skilled .NET developer to join our AI-led engineering team. You will design and implement scalable backend services using C#, .NET Core, and ASP.NET Core Web API, focusing on robust data handling and secure APIs.

You will collaborate with cross-functional teams to ensure high quality, maintainable code and adherence to SOLID principles, while leveraging SQL Server and EF Core for data access. Azure experience is a plus.

Qualifications

• Strong programming experience in C# and .NET Core.
• Hands-on experience with ASP.NET Core Web API and RESTful services.
• Good understanding of object-oriented programming, SOLID principles, and design patterns.
• Experience with SQL Server, SQL queries, joins, stored procedures, and database design.
• Experience with Entity Framework Core or other ORM technologies.
• Understanding of API security, OAuth 2.0, OpenID Connect, or JWT.
• Understanding of Master Data Management concepts, including golden records, matching, merging, survivorship, deduplication, and data quality.

Skills

C#

.NET Core

ASP.NET Core

REST APIs

OOP

SOLID

Design patterns

SQL Server

SQL

EF Core

API security

OAuth 2.0

OpenID Connect

JWT

MDM concepts

Golden records

Data quality

Tools

Azure

Azure Service Bus

Kafka

Snowflake

Databricks

EF Core

Job description

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 21 sequential quarters of growth with $389.7M in Q1 FY26 revenue, up 3.9% Q-o-Q and 18.8% Y-o-Y growth. Our 25,000+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been named the fastest-growing Indian IT services brand in the “Brand Finance India 100” 2025 report. We were also cited as a Leader in the ISG Provider Lens™ 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025

About the Role

Required Skills

• Strong programming experience in C# and .NET / .NET Core.
• Hands-on experience with ASP.NET Core Web API and RESTful services.
• Good understanding of object-oriented programming, SOLID principles, and design patterns.
• Experience with SQL Server, SQL queries, joins, stored procedures, and database design.
• Experience with Entity Framework Core or other ORM technologies.
• Understanding of API security, OAuth 2.0, OpenID Connect, or JWT.
• Understanding of Master Data Management concepts, including golden records, matching, merging, survivorship, deduplication, and data quality.

Good to Have

• Exposure to Snowflake and Databricks from an application integration or data consumption perspective.
• Experience integrating with any MDM platform.
• Familiarity with Azure or another cloud platform.
• Experience with messaging systems such as Azure Service Bus or Kafka.

Our company fosters a values-driven and people-centric work environment that enables our employees to:

• Accelerate growth, both professionally and personally
• Impact the world in powerful, positive ways, using the latest technologies
• Enjoy collaborative innovation, with diversity and work-life wellbeing at the core
• Unlock global opportunities to work and learn with the industry’s best

For more detail, please contact – Shivani Agrawal

Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.