We are seeking a talented and experienced Lead .NET Developer to take ownership of the back-end for front-end (BFF) layer of a high-profile mobile application project.

This role involves designing, building, and maintaining scalable and high-performing back-end solutions for mobile platforms. You will provide technical leadership, collaborate with cross-functional teams, and ensure the delivery of a robust and efficient application.

If you’re ready to showcase your expertise and step into a leadership role, apply today!

Responsibilities

• Lead the implementation of the BFF layer for the mobile application

• Collaborate with architects, analysts, QA testers, and mobile developers to align back-end functionalities with front-end requirements

• Design and develop RESTful APIs using .NET technologies, ensuring scalability and maintainability

• Supervise and mentor a team of .NET developers, providing technical direction and promoting best practices

• Develop middleware components integrating core services with platforms such as OpenShift, Redis, and MS SQL Server

• Identify, troubleshoot, and resolve back-end performance and functionality issues

• Implement asynchronous programming patterns to optimize application performance

• Develop and maintain unit and integration tests using frameworks like xUnit

• Define and manage CI/CD pipelines using tools such as Azure DevOps (ADO)

• Act as a key liaison between the development team and other project stakeholders, facilitating communication and issue resolution

• Drive technical excellence and stay updated on the latest .NET technologies

Requirements

• Advanced proficiency in C# and .NET, including .NET 8 and ASP.NET Core, backed by 5+ years of experience

• At least 1 year of experience in leading a back-end development team with a focus on high-quality deliverables

• Background in middleware development with tools like OpenShift, Redis, and MS SQL Server

• Expertise in designing and implementing RESTful APIs, with knowledge of HTTP methods and API versioning

• Skills in working with asynchronous programming patterns to support scalable solutions

• Capability to write and execute unit and integration tests using xUnit or equivalent frameworks

• Familiarity with CI/CD pipelines and deployment processes, preferably using Azure DevOps (ADO)

• Excellent command of written and spoken English (B2+ level)

Nice to have

• Knowledge of security protocols such as OAuth2 and JWT

• Experience with logging and monitoring tools like Azure Application Insights and Dynatrace

• Experience with Azure cloud solutions and Red Hat OpenShift environments

• Background in digital banking systems

We offer/Benefits

For your comfortable work:

• Remote and hybrid work opportunities

• Option to work from our centrally located office in Athens

• Corporate laptop provided

• Private health insurance

• Meal vouchers / restaurant tickets

• My Benefit card (264€/year)

• Monthly public transportation card

For your growth:

• Global and diverse client portfolio, large-scale projects, and trendy technologies

• Diverse multicultural, multi-functional, and multilingual work environment

• Opportunity to contribute to internal and open-source products

• Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey

• Possibility to create a Personal Development Plan from the first day in the company

• Numerous opportunities for self-development: hard & soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries

• Certification opportunities

• Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities

• Language courses