Senior C#/.NET Full-Stack DBA Developer

This position requires fluent English - do not apply with a non-English profile/resume as it will be automatically filtered. Position Overview   We are seeking a  Senior C#/.NET Developer with deep database ownership experience  to join our growing engineering team. This role is intentionally hybrid: you will  design and build software  while also  owning the reliability, performance, scalability, and cost management of our SQL databases .  This position is ideal for a senior engineer who is  database-centric but not database-only —someone who enjoys writing production code, building features that interact heavily with data, and taking responsibility for how the database performs in real-world, high-availability environments.  You will work across application code, database architecture, and Azure infrastructure, partnering closely with product and engineering leadership to deliver scalable, reliable systems.  Key Responsibilities   Database Architecture, Performance & Ownership   Design, evolve, and optimize  database schemas, indexes, queries, and stored procedures to support high-performance application workloads  Own  database performance tuning , query optimization, and capacity planning across environments  Manage  availability, backup/restore, disaster recovery, and survivability strategies in Azure SQL  Monitor and proactively address  performance bottlenecks, deadlocks, blocking, and resource contention   Own  database cost management in Azure, including sizing, scaling strategies, and cost optimization  Ensure  data integrity, security, and operational excellence throughout the application lifecycle  Software Development & Feature Delivery   Design, develop, and maintain  enterprise-grade applications and services  using C# and .NET  Build application features that  interact deeply with the database , balancing correctness, performance, and maintainability  Develop and maintain  RESTful APIs  and backend services that integrate with internal and third-party systems  Participate in  architectural discussions  and influence technical direction across the stack  Perform  code reviews  and mentor team members on best practices in both application and database development  Troubleshoot and resolve complex issues across application, database, and infrastructure layers  Azure Cloud & DevOps   Design and operate solutions using  Microsoft Azure , with a focus on reliability and observability  Support  CI/CD pipelines  and deployment practices using Azure DevOps  Work with monitoring, logging, and alerting to ensure system health and rapid issue resolution  Collaborate on infrastructure decisions that impact scalability, performance, and cost  Required Qualifications   Experience & Education   Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience 7+ years  of professional experience in C#/.NET software development  Strong written and spoken English (C1 or C2 proficiency)  Technical Skills (Priority Order)   Strong SQL Server / Azure SQL expertise , including:  Advanced T-SQL  Stored procedures and query optimization  Indexing strategies and execution plan analysis  Performance tuning and troubleshooting  Proven experience  owning database operations , including:  Backup, restore, high availability, and disaster recovery  Performance monitoring and scaling  Cost and capacity management in Azure  Expert-level proficiency in  C#, .NET Core, and .NET Framework   Experience building and maintaining  RESTful APIs   Experience with  Microsoft Azure services , including App Services, Functions, and Storage Front-end experience with  Angular (7–17)   Familiarity with  Agile/Scrum development methodologies  Proficiency with  Git and Azure DevOps    Soft Skills   Excellent communication skills, with the ability to explain complex technical topics Strong analytical and problem-solving abilities  Ability to work independently and take ownership of critical systems  High attention to detail and commitment to quality and reliability  Collaborative mindset with experience working in cross-functional, distributed teams   Bonus Points   Microsoft Azure certifications (Developer Associate, Solutions Architect, or similar)  Experience with  Plivo or Twilio   Experience with  message-based systems (Azure Service Bus, RabbitMQ, etc.)  Strong understanding of  DevOps practices and production operations  Experience working in  HIPAA-regulated environments    What We Offer   Competitive salary commensurate with experience  Opportunity to  own critical systems  and influence architectural decisions  A collaborative engineering culture that values quality, accountability, and continuous improvement