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Backend Developer

VessellaxDenver, COL4 MidAugust 14th, 2026
Job Title: Backend DeveloperJob Type: Full-TimeLocation: Remotemicro1 is the end-to-end human data infrastructure behind AGI. Our AI recruiter model is used by frontier AI labs and Fortune 10s to source, vet, and deploy PhDs and professors from the world’s top universities at scale. These experts are placed directly into the training loops of the most advanced AI systems, powering the breakthroughs that move models forward. Our data platform converts their expertise into high-signal training datasets, and our talent management tooling measures, routes, and improves performance at scale.Job SummaryJoin our core engineering team as a Backend Developer, helping build and scale critical backend services. You’ll work closely with frontend, AI, and product teams while contributing to high-quality code, strong system design, and clear communication.Key ResponsibilitiesBuild and maintain backend services using Node.js and Nest.js.Design and optimize PostgreSQL databases.Develop scalable infrastructure on AWS/GCP, including serverless components.Use Redis for caching, queues, and high-throughput workflows.Ensure backend performance, reliability, and security.Deliver clean, well-documented APIs.Implement monitoring, logging, and alerting best practices.Improve CI/CD pipelines and deployment workflows.Participate in architecture discussions, code reviews, and planning.Required QualificationsStrong experience with Node.js and Nest.js in production environments.Advanced PostgreSQL knowledge (modeling, queries, optimization).Hands-on experience with AWS/GCP and serverless architectures.Practical Redis integration experience.Solid understanding of backend architecture, security, and performance.Proficient with Git/GitHub and modern CI/CD tools.Excellent written and verbal communication.Preferred QualificationsDevOps/IaC experience.Knowledge of event-driven or real-time architectures.Familiarity with microservices and distributed systems.Regional Hiring NotesThis role is being hired in parallel across multiple regions due to coverage needs, compliance requirements, and time-zone alignment. Responsibilities and expectations are identical; employment terms vary by region.