senior .net backend developer

توضیحات آگهی

Role Overview We are looking for a Senior NET Backend Developer to join our engineering team and contribute to the development and evolution of an exchange platform You will work in a cross functional Business Line alongside Product QA DevOps Frontend Engineers and other Backend Developers The role requires strong backend engineering expertise the ability to understand complex business processes and experience designing reliable scalable and maintainable systems for enterprise operations You will be expected to contribute not only to implementation but also to technical design domain modeling integration design workflow design data consistency observability system reliability and engineering quality across the platform Key Responsibilities Design and develop backend services using C and modern NET Build modular systems using Domain Driven Design Clean Architecture SOLID principles software design patterns and clear bounded contexts Design REST APIs asynchronous workflows integrations and event driven services Design and implement configurable workflow and approval processes for complex business operations including state transitions task orchestration SLA handling escalation auditability and exception management Work with PostgreSQL for data modeling query optimization transactions migrations and performance tuning Implement event driven patterns such as domain events integration events CQRS event sourcing where appropriate retries idempotency outbox and eventual consistency Design and implement reliable messaging workflows using Kafka and RabbitMQ Use Wolverine as the preferred framework for messaging workflows and event driven processing work with MassTransit where required by the platform or existing services Design and maintain production grade observability capabilities including structured logging metrics distributed tracing health checks dashboards alerting and telemetry for backend services and event driven workflows Collaborate with Product and Architecture to turn features and user stories into technical designs Write Unit Tests and Integration Tests and contribute to automated quality gates Participate in code reviews technical design discussions debugging and production issue analysis Mentor mid level and junior developers where needed Required Skills 5 years of backend development experience Strong experience with C and modern NET ASP NET Core Solid understanding of Domain Driven Design Clean Architecture SOLID and modular architecture Strong knowledge of software design patterns and the ability to apply them pragmatically in enterprise backend systems including Factory Strategy Adapter Repository Specification Mediator Observer CQRS and Saga Process Manager patterns Strong PostgreSQL knowledge including SQL indexing transactions migrations and query optimization Experience with event driven architecture and message brokers specifically Kafka and or RabbitMQ Practical understanding of CQRS event sourcing idempotency retries distributed systems and eventual consistency Hands on experience with Wolverine is highly preferred familiarity with MassTransit is also required or strongly preferred Practical experience designing or integrating workflow engines and business process orchestration solutions including approval workflows state machines long running processes task management escalation exception handling and audit trails Experience designing and maintaining REST APIs Experience with Docker Git CI CD and automated testing Good understanding of Linux and operating system fundamentals relevant to running diagnosing and troubleshooting backend services Practical experience with application logging monitoring observability and telemetry including structured logging distributed tracing metrics health checks alerting correlation IDs and production diagnostics Strong troubleshooting debugging and performance analysis skills Ability to communicate technical concepts clearly in English Security Requirements Practical understanding of OWASP principles and common application security vulnerabilities Experience applying Secure by Design and Secure Coding principles throughout analysis design implementation code review and deployment Ability to design secure APIs validate inputs implement safe error handling and protect against common security vulnerabilities Experience with OAuth 2 0 OpenID Connect RBAC service to service authentication and secure token handling Familiarity with Keycloak for identity and access management authentication authorization and SSO integration Understanding of secrets management secure configuration dependency security auditability and least privilege access Preferred Skills Experience with logistics shipping freight forwarding finance pricing billing or enterprise operational platforms Experience with modular monolith or microservices architecture Experience with Kubernetes on premise deployment environments observability and OpenTelemetry Experience with observability platforms and standards such as OpenTelemetry Prometheus Grafana Elasticsearch OpenSearch Kibana Jaeger Tempo or similar monitoring and tracing tools Experience integrating with external APIs EDI partner systems or enterprise systems Experience with Keycloak based authentication and authorization design Experience using AI assisted development tools responsibly What We Expect You understand the business domain before implementing a feature You do not treat the role as ticket based CRUD development You care about maintainability testability security observability and production reliability You identify unclear requirements technical risks security risks and edge cases early You can work independently while collaborating effectively with Product QA DevOps and Architecture teams تهران تهران تجریش تمام وقت ساناکش کارشناس ارشد جنسیت تفاوتی ندارد فناوری اطلاعات نرم افزار و سخت افزار