Senior BE Engineer [Python+.NET]

Wiser Technology is a leading software development company. Our team of 600 engineers across Europe excels in web and mobile software development, video streaming, defense, machine learning, automotive, e-commerce, and AI. We leverage top-tier technologies and expertise driven by a passion for innovation to drive progress.

We’re looking for a Senior BE Engineer to join a fast-paced project hosted on AKS, with a strong focus on clean architecture, secure authentication, and scalable cloud-native applications.

If you're passionate about building enterprise-grade applications using the latest in Python (FastAPI) and .NET technologies - and you thrive in environments where your architectural decisions matter - we want to talk to you.

*Only EU residents will be considered for this role.
 

WHAT YOU WILL DO:

• Architect, develop, and maintain RESTful APIs via Python and FastAPI applications hosted on Kubernetes and Azure.

• Deploy, configure, and manage services using Azure DevOps, AKS, Azure Key Vault, Azure Container Registry, and related tools.
• Optimize database performance across Cosmos DB, PostgreSQL, and SQL Server, where applicable.
• Working with microservices, message brokers, and modern DevOps workflows.
• Make informed technical decisions regarding hosting models, configuration strategies, and infrastructure management.
• Contribute to CI/CD pipelines and support DevOps best practices.
• Communicate technical decisions clearly and constructively, participating in design discussions and code reviews.

WHAT YOU WILL NEED:

• Knowledge of Active Directory and Microsoft Entra for identity and access management.
• Practical experience deploying and managing applications on Kubernetes.
• Familiarity with Azure DevOps, Kubernetes (AKS), Key Vault, Container Registry.
• Experience with cloud-native storage technologies, especially Cosmos DB and Azure Storage.
• Proficiency in .NET and ASP.NET, with experience in legacy ASP.NET MVC migrations.
• Strong command of Microsoft SQL Server, including performance tuning.
• Good familiarity with Entity Framework.
• Understanding of database performance strategies (e.g., sharding, partitioning).
• Proven ability to evaluate and implement hosting and deployment strategies (Kubernetes vs. Azure Functions, etc.).

GOOD TO HAVE:

• Proven experience with Semantic Kernel.
• Experience implementing OAuth 2.0 and OpenID Connect in .NET applications.

 
Soft Skills & Attributes:

• Fluent in English.
• Ability to understand the requirements and provide design solutions based on the overall architecture of the system.
• Good understanding of quality expectations.
• Ability to work independently and collaboratively in a team environment.
• Occasional traveling to client's locations.
• Strong communication skills: can clearly articulate and justify technical decisions.
• Practical communication skills to interact with customers and users.
• Support, coach, and share knowledge with other team members.

WHAT’S IN IT FOR YOU?

Culture & Development:

• Friendly Environment: We take pride in our culture and love spending time together.
• Team Spirit: Be part of a supportive team that uplifts each other.
• Mentorship and coaching: Our colleagues are experts in their field, and you can expect to have a solid team to rely on.
• Personalized Development Program: We realize that one size doesn’t fit all, so you'll receive an individual development plan tailored to your career aspirations.

Social Benefits:

• Work Flexibility: Embrace flexible working hours and choose from remote, hybrid, or onsite work models. Multiple Office Locations: In Sofia, Plovdiv, Stara Zagora, and Nis, you can choose where you would like to work.
• A Suite of Perks: Enjoy food vouchers, additional health insurance, and more.
• Community and Connections: Engage in exciting social events and team initiatives.

Empowerment: At Wiser, every role is instrumental. You will have the power to make a difference!
Ready to advance your career with a tech leader passionately driven by innovation?

Join Wiser - Become Wiser!