Senior Full Stack Developer .NET

Confidential

בני ברק permanent

Posted: February 9, 2026

Required Skills

Job Description

Experience Level: Senior

About the Role

We are looking for a Senior Full Stack Developer to join a leading fintech development team and help build and enhance our core products using .NET and web technologies.

The ideal candidate is a motivated engineer with strong learning abilities, a passion for clean, maintainable code, and full ownership over end-to-end delivery. You will work in a fast-paced Agile environment, collaborate with cross-functional teams, and contribute to architectural and technical decisions.

Responsibilities

Design, develop, and maintain backend services using .NET (C#, .NET Framework and newer .NET versions)

Build and optimize scalable backend services and RESTful APIs

Develop and maintain web applications using HTML, CSS, and JavaScript/TypeScript

Write clean, maintainable, and testable code following SOLID principlesand modern architectural standards

Develop and maintain unit and integration tests to ensure code reliability

Participate in architectural reviews, code reviews, and technical planning

Write efficient SQL queries and work with relational databases

Debug, troubleshoot, and resolve issues across development, staging, and production environments

Collaborate closely with Product, QA, and DevOps teams in an Agile/Scrumenvironment

Mentor junior developers and actively participate in knowledge sharing

Requirements

4+ yearsof hands-on development experience with .NET (C#, .NET Framework and newer .NET versions)

Experience building backend services and RESTful APIs

Solid knowledge of web technologies: HTML, CSS, JavaScript, and TypeScript

Experience with Entity Framework / EF Core

Solid knowledge of relational databases (e.g., SQL Server, PostgreSQL)

Familiarity with Git, CI/CD pipelines, and automated deployments

Experience working in Agile/Scrumdevelopment environments

Strong collaboration skills and a team-oriented mindset

Excellent communication skills in English, both verbal and written

Nice to Have

Hands-on experience with React

Experience with jsfor backend services or integrations

Experience with cloud platforms such as Azure or AWS

Familiarity with Dockerand containerized environments

Knowledge of SignalR, gRPC, or GraphQL

Experience with monitoring and logging tools such as Application Insights, OpenSearch, Kibana, or Sentry

Hands-on experience with automated testing frameworks (e.g., xUnit, NUnit)

Sc. in Computer Science, Software Engineering, or a related technical field

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