Senior Dotnet Developer

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At First Line Software , we design and deliver custom software solutions that help global businesses grow, innovate, and stay ahead. Our clients span industries and continents, and our mission is simple: transform complex challenges into powerful, scalable applications.

We are a team of experts who value collaboration, curiosity, and excellence , and we are looking for professionals who share our passion for building impactful software.

About the Role We are seeking a Senior .NET Developer to join our team and contribute to the design and development of scalable, cloud-based backend systems .

In this role, you\'ll:

Build and maintain APIs and backend services that power modern web applications

Work with a modern Microsoft stack and Azure cloud services

Collaborate closely with other developers, architects, and product teams to ensure our solutions are high-quality, performant, and maintainable

This role is perfect for someone who thrives in fast-moving, collaborative environments and enjoys working across different projects and industries.

Requirements Must-Have Skills:

Strong experience with C#, .NET Core / Framework , Entity Framework , and LINQ

Proficiency in Web API development and RESTful services

Solid knowledge of T-SQL and relational database design

Hands-on experience with Azure services

Familiarity with Swagger / OpenAPI for API documentation

Skilled in Git version control and CI/CD using Azure DevOps or GitHub Actions

Practical experience with Docker for containerization

Nice-to-Have Skills:

Knowledge of Microsoft Fabric and Dapr

Understanding of database administration and migrations (Code-first & DB-first)

What Youll Do

Design, develop, and maintain scalable backend solutions

Build and integrate APIs to support web and mobile applications

Optimize SQL queries and database performance

Implement CI/CD pipelines and maintain deployment workflows

Write clean, testable, and maintainable code following SOLID principles

Participate in code reviews and agile ceremonies

Stay updated with the latest trends in .NET and Azure technologies

Responsibilities

Design, develop, and maintain robust Web APIs using .NET technologies

Build scalable backend services within a cloud-native architecture

Collaborate with frontend developers and DevOps engineers to deliver end-to-end solutions

Optimize application performance and database queries

Ensure code quality through testing, code reviews, and clean architecture principles

Contribute to CI/CD workflows and participate in deployment processes

Monitor, debug, and improve system performance and reliability

The FLS Difference Our modern stack projects are the right mix of exciting and challenging

Gain access to our diverse range of training programs, courses, and certifications

Choose your work style - remote, on-site or hybrid in one of our offices. We offer the freedom of flexible working hours

Enhance your language skills with our corporate English classes

Work from anywhere and explore the world with our Workation program

Seniority level Mid-Senior level

Employment type Full-time

Job function Information Technology

Industries: Software Development, IT System Custom Software Development, IT Services and IT Consulting

We are an equal opportunity employer and value diversity. All employment is decided on the basis of qualifications, merit, and business need.

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