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

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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.