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C# Backend Developer, Applications

DataRails

DataRails

Software Engineering, IT
Tel Aviv-Yafo, Israel
Posted on Dec 22, 2025

C# Backend Developer, Applications

  • Engineering
  • Tel-Aviv
  • Senior
  • Full-time

Description

Datarails is growing, and we're looking for a brilliant, independent Back End Developer to join our R&D team!

Datarails is a SaaS B2B solution that tackles one of the biggest challenges in financial departments: the overflowing amount of data that, up until now, was managed by tons of Excel sheets. All those financial reports, forecasts, expenses, analytics? Datarails takes all this data and integrates it into a one, simple, smart report. It consolidates the information, enables the finance professionals to follow it, manage it, and create the ever-needed order within the realm of finances. If this isn't enough, it enables thorough analysis of consolidated data for the creation of business and financial insights. It’s cloud-based, so nothing gets lost, it’s brilliant, so almost every feature can be added.

We are looking for an experienced C# Backend Developer to join our team and help Datarails succeed in its rapidly growing journey while maintaining high coding standards and quality.

What You'll Do

  • Develop and maintain new features, services, and APIs in C#
  • Integrate the add-in with cloud-based backend services (REST APIs)
  • Write clean, efficient, and reusable code and libraries .
  • Optimize for maximum speed and scalability
  • Debug and fix issues that arise during development and testing.
  • Participate in code reviews, architectural discussions, and design sessions

Requirements

Must have requirements:

● 3–5 years of experience with C# development

● Deep understanding of C# fundamentals (async, threading, memory management)

● Experience working with RESTful APIs

● Experience with unit and integration testing

● Familiarity with Git and modern CI/CD workflows

● Ability to write clean, maintainable, well-documented code

● Strong problem-solving and analytical abilities

● Excellent verbal and written communication skills (High-level English is a must)

● Strong technical skills and a passion for developing features.

● Team player, strong communication skills, and empathetic.

Advantages:

● Working with desktop applications

● Frontend experience (especially with Angular)

● Familiarity with cloud-based architectures

What We Offer

  • We offer a supportive, agile, creative work environment with brilliant colleagues!
  • Competitive compensation, ongoing recognition, and a chance to learn, contribute, and develop your skills.
  • Opportunity to join an explosive industry, a successful and growing organization, and an unmatched leadership team passionate about their employees!