Software Development Engineer

Job Description

We are seeking a highly skilled and motivated Senior .NET Core Developer to join our dynamic software development team. The ideal candidate is a hands-on developer with deep expertise in designing and building robust, scalable, and secure backend services. This role is crucial to our cloud-native strategy and requires a strong background in ASP.NET Core, microservices architecture, DevOps practices, and containerization. You will be a key contributor in an agile environment, responsible for delivering high-quality software solutions that leverage the full power of the Azure cloud platform. Key Responsibilities Development & Architecture Lead the design and development of scalable and secure applications using ASP.NET Core and C#. Architect, build, and maintain RESTful APIs and microservices that are performant and resilient. Collaborate with product and engineering teams to define system architecture, data models, and technical requirements. Maintain and optimize database schemas and queries for both relational (SQL) and NoSQL data stores. Cloud & DevOps Implement and manage end-to-end CI/CD pipelines using Azure DevOps or a similar platform. Containerize applications using Docker and orchestrate deployments in production environments, preferably with Kubernetes or Azure Kubernetes Service (AKS). Work with a variety of Azure cloud services, including but not limited to Azure App Services, Azure Functions, Key Vault, and Blob Storage. Apply best practices for cloud security, performance, and cost optimization. Quality & Collaboration Write comprehensive automated tests (unit, integration, and end-to-end) to ensure code quality and system reliability. Participate actively in code reviews, technical design discussions, and knowledge-sharing sessions. Troubleshoot and resolve complex production issues in a timely and effective manner. Contribute to an agile team, participating in all agile ceremonies and promoting continuous improvement. Required Skills & Qualifications 7+ years of professional experience in software development with a strong focus on backend services. Expert-level proficiency in ASP.NET Core, C#, and the .NET Framework (6/7+). Extensive experience designing and implementing RESTful APIs and microservices architecture. Hands-on experience with Azure or another major cloud platform (AWS, GCP). Strong practical knowledge of DevOps practices, including CI/CD pipeline automation using Azure DevOps, Git, and version control strategies. Proven experience with Docker and Kubernetes (or another container orchestration tool). Solid understanding of database technologies, including SQL (e.g., SQL Server, PostgreSQL) and NoSQL (e.g., Cosmos DB, MongoDB). Familiarity with automated testing frameworks such as xUnit, NUnit, or MSTest. Exceptional problem-solving, analytical, and communication skills. Preferred Qualifications Professional certification from Microsoft, such as Microsoft Certified: Azure Developer Associate (AZ-204) or Azure DevOps Engineer Expert (AZ-400). Experience with message queues or event-driven architectures (e.g., Azure Service Bus, RabbitMQ, Kafka). Knowledge of Infrastructure as Code (IaC) tools like Terraform or ARM templates. Exposure to frontend frameworks (e.g., Angular, React) is a plus. Experience working in an Agile/Scrum environment. Bachelor's degree in Computer Science, Software Engineering, or a related field. Lumen connects the world. We are igniting business growth by connecting people, data and applications ? quickly, securely, and effortlessly. Together, we are building a culture and company from the people up ? committed to teamwork, trust and transparency. People power progress. We?re invested in providing the flexibility you need to thrive and deliver lasting impact. Apply now to continue digitally connecting the world and shaping the future We are an equal opportunity employer committed to fair and ethical hiring practices. We do not charge any fees or accept any form of payment from candidates at any stage of the recruitment process. If anyone claims to offer employment opportunities in our company in exchange for money or any other benefit, please treat it as fraudulent and report it immediately.