senior backend developer (node.js)

توضیحات آگهی

At Pooleno we re on a mission to build innovative high quality solutions that empower people to trade and invest with confidence We re passionate about creating products that are reliable secure and easy to use and we know this is only possible with talented curious and driven people on our team We re looking for a Senior Node js Backend Developer to join us and help shape the future of our platform while working alongside a group of supportive skilled professionals who care about excellence and collaboration Required Skills Strong proficiency in Node js and solid understanding of JavaScript fundamentals Hands on experience with the NestJS framework In depth knowledge of Microservices Architecture and building scalable distributed systems Proficiency with messaging streaming systems such as Kafka or NATS including designing reliable event driven workflows Strong experience with databases Relational PostgreSQL MySQL NoSQL MongoDB Redis Proficiency in TypeScript and clean modular code practices Experience writing unit and integration tests with modern frameworks to ensure system reliability Strong understanding of Cloud Native principles and deployment practices Kubernetes container orchestration Practical experience applying Software Design Patterns in backend services Solid knowledge and application of Domain Driven Design DDD Familiarity with CQRS Command Query Responsibility Segregation and event driven architectures Experience ensuring non functional qualities such as low latency performance high availability HA and fault tolerance in backend systems Strong awareness of security best practices API security secrets management encryption compliance requirements Experience working in Agile teams Scrum Kanban with iterative delivery practices Ability to produce clear maintainable technical documentation APIs architecture design decisions Strong teamwork and collaboration skills with cross functional teams QA DevOps Product Frontend Preferred Skills Nice to Have Experience with CI CD pipelines and automation GitLab CI CD GitHub Actions Jenkins etc Familiarity with Docker and containerization concepts Experience working with gRPC for service to service communication Exposure to monitoring logging stacks Prometheus Grafana ELK OpenTelemetry for observability Experience in implementing advanced distributed system patterns Saga Event Sourcing Outbox pattern Knowledge of disaster recovery strategies and backup restore practices in distributed databases Responsibilities Design develop and maintain scalable backend microservices using NestJS and Node js Build and optimize APIs for high performance low latency trading systems Integrate services with Kafka NATS for real time messaging and event driven workflows Design and maintain schemas across PostgreSQL MySQL and MongoDB databases ensuring data consistency availability and partition tolerance Apply DDD CQRS and design patterns to deliver clean maintainable and testable code Ensure backend services meet non functional requirements such as throughput resilience observability and compliance Write comprehensive unit and integration tests to ensure system reliability under production load Implement monitoring logging and alerting to detect issues proactively and support incident response Collaborate within an Agile team participating in sprint planning daily standups and retrospectives Produce and maintain documentation for APIs services architecture and operational runbooks Work closely with cross functional teams DevOps QA Product to ensure secure compliant and resilient delivery Participate in code reviews and architecture discussions contributing to team knowledge sharing and continuous improvement تهران تهران آرارات تمام وقت بیتکس کارشناس ارشد جنسیت تفاوتی ندارد فناوری اطلاعات نرم افزار و سخت افزار