Senior Software Engineer

About the role

At JTI we celebrate differences, and everyone truly belongs. 46,000 people from all over the world are continuously building their unique success story with us. 83% of employees feel happy working at JTI.

 

To make a difference with us, all you need to do is bring your human best.

 

What will your story be? Apply now!  

Learn more: jti.com

 

 
Departm ent: IT Microsoft Delivery Center Position: Senior Software Engineer

Location: Bucharest, Romania

 

                                            

Senior Software Engineer

 

What this role is about?

 

You will design, build and operate modern cloud-based systems on the Microsoft stack, with a focus on .NET, Azure and GitHub.

 

This role requires strong ownership across the full lifecycle: problem framing, system design, implementation, deployment and production operations. You’ll work on scalable, secure and maintainable systems, applying solid engineering fundamentals and using tools like GitHub Copilot pragmatically to accelerate delivery without compromising quality.

 

 

 

What will you do?

 


Build and evolve backend services and APIs using .NET, C#, and ASP.NET Core

Build and contribute to frontend experiences using React and TypeScrip

Design systems for scalability, resilience, security and maintainability

Make and drive technical decisions, balancing trade-offs and constraints

Own services in production, including deployment, monitoring, troubleshooting and continuous improvement

Apply clean architecture, design patterns, automated testing and code quality practices

Work with Azure services across compute, storage, messaging, identity, and monitoring to build cloud-based solutions

Collaborate closely with engineers, architects, product owners, and other stakeholders to deliver working software

Review code, challenge assumptions and help raise the engineering bar

Use AI-assisted tools, such as GitHub Copilot, effectively for coding, testing, analysis, and documentation


 

What are we looking for?

 


Strong experience building and operating software systems in production

Deep hands-on expertise with .NET, C#, and ASP.NET Core

Solid understanding of APIs, distributed systems and integration patterns

Proven experience with Azure and cloud-based application architecture

Strong grasp of system design, design patterns, performance, reliability, and security

Experience with automated testing, including unit and integration testing

Ability to debug complex issues across services and environments

Experience with frontend development using TypeScript and React, or willingness to work across the stack when needed

Clear communication and ability to work effectively in cross-functional engineering teams

Fluency in English


 

Nice to have

 


Frontend experience with TypeScript and React

Infrastructure as Code experience, preferably with Bicep

Experience with observability, including logging, metrics, tracing and production diagnostics

Experience with containerized workloads or cloud-native application platforms

Experience using AI-assisted development tools in real engineering workflows

 

Are you ready to join us? Build your success story at JTI. Apply now!

Next Steps:

 

After applying, if selected, please anticipate the following within 1-3 weeks of the job posting closure: Phone screening with Talent Advisor > Assessment tests > Interviews > Offer. Each step is eliminatory and may vary by role type.

 

At JTI, we strive to create a diverse and inclusive work environment. As an equal-opportunity employer, we welcome applicants from all backgrounds. If you need any specific support, alternative formats, or have other access requirements, please let us know.