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Senior Back-End Developer

Flexton Inc — United States · Posted ~1 day ago

Senior Full-time

Skills

Node.js TypeScript Distributed systems Microservices Event-driven architecture Message-based systems RESTful APIs NoSQL Microsoft Azure Docker Kubernetes CI/CD REST

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Summary

Join a backend engineering team building and operating large-scale distributed systems. You will design event-driven microservices, develop resilient APIs, work with NoSQL data stores and cloud infrastructure, and tackle real production challenges around messaging, retries, consistency, and system performance.

Highlights

Senior backend role focused on large-scale distributed systems and production reliability. Work with modern cloud, container, messaging, API, and database technologies while owning complex backend architecture and operational concerns.

Description

Required Qualifications 6+ years of professional software engineering experience building backend applications.Strong production experience with Node.js and TypeScript, including asynchronous patterns and runtime performance characteristics.Experience designing and building large-scale distributed systems in production environments.Deep understanding of microservice architecture and event-driven application design.Hands-on experience building and operating asynchronous, message-based systems. You should be able to speak concretely about idempotency, out-of-order delivery, retry and dead-letter handling, and consumer lag, from systems you have run rather than read about.Experience developing and maintaining RESTful APIs.Experience with NoSQL databases, including partitioning and consistency tradeoffs.Hands-on experience building applications on Microsoft Azure.Experience with containerized applications using Docker and Kubernetes.Strong understanding of CI/CD pipelines and modern DevOps practices.Ability to diagnose problems from production telemetry: logs, traces, and metrics, rather than only from local reproduction.Ability to work across team boundaries. This platform depends on systems owned by other teams, and you will need to go get answers rather than wait for them.Excellent written and verbal communication skills. Preferred Qualification sExperience with Azure Kubernetes Service (AKS).Experience with Azure Service Bus, Kafka, or similar messaging technologies, including topics, subscriptions, and filtering.Experience with Cosmos DB or a comparable partitioned NoSQL store.NestJS or a comparable structured Node framework.Kubernetes autoscaling, Helm, and CI/CD pipeline work.Experience with high-throughput systems where latency and cost per request are engineering constraints.Experience implementing observability using OpenTelemetry and an APM platform such as Dynatrace, Datadog, or New Relic.Experience working within large enterprise environments supporting mission-critical applications .