Danil Zhiltsov
Senior Backend Net C# Developer @IDEMIA
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WORK HISTORY
Senior Backend Net C# Developer @IDEMIA
Authentication and Authorization System, including a biometric identification subsystem (face and document recognition)- Turnstile Access Control Module: Migrated the biometric identification module for turnstile-based access control from a monolith to microservices architecture, delivering MVP in three months as part of a platform - Billing System: Designed and developed a subscription-based billing service integrated with the core platform- Performance Optimization: Optimized facial recognition processing to ~ and query optimization strategies- Functional Testing from Scratch- designed custom fake services to simulate external dependencies, provisioned full test environments, and implemented end-to-end test suites using xUnit, significantly improving release confidence- Unit Testing Culture: Introduced and enforced unit testing practices across the team, increasing code coverage and reducing regression defects- Observability: Improved monitoring and alerting pipelines using Grafana and OpenTelemetry,%- AWS Integration: Deployed and managed production services on AWS - EC2/ECS, S3, RDS, and CloudWatch - as part of the platform\'s cloud infrastructure.
EDUCATION
International University of Nature, Society and Man "Dubna"
Bachelor of Technology - BTech, Information Technology
ABOUT DANIL ZHILTSOV
Senior C# Backend Developer with + of experience designing and building high-performance, scalable backend systems using modern.NET stack and microservice architecture,+. & : Hands-on experience architecting event-driven microservices with Kafka, gRPC, and asynchronous communication patterns. Built a biometric identification system. & : Practical experience with AWS (EC2, ECS, S3, RDS, SQS/SNS, Lambda, CloudWatch), Docker, Terraform, and CI/CD pipelines. & : Hands-on experience with PostgreSQL, MS SQL, MongoDB, Sqlite, optimizing queries and indexes. & : Established functional testing infrastructure from scratch, including custom fake services, full environment provisioning, and xUnit-based test suites. Advocate for unit testing and code quality as part of the development lifecycle. & : Built monitoring and alerting with Grafana, Prometheus, Promtail, Tempo, Loki, OpenTelemetry, and CloudWatch. Improved observability pipelines.I\'m driven by building technically sound solutions that help businesses scale and accelerate product delivery.Open to Senior Backend Developer / Software Engineer roles across the world (remote) as a contractor.Email: 74โขโขโขโขโขโข58TG: https://t.me/danilzhiltsov_job
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