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Senior Software Engineer Backend Consultant

💼 Full-time🗓 2026-07-27

Core

Building high-performance backend services and scalable APIs for real-time interaction platforms.

Role type

Senior IC backend engineer

Builds

Production backend services, APIs, and data systems

Domain

Consumer internet / Real-time platforms

Deliverable

production ML models | product features | infrastructure

Required skills

Node.js, Golang, SQL (Postgres/MySQL), API design, system architecture, performance optimization

Preferred skills

Next.js, React.js, microservices, message queues, async systems, cloud platforms (AWS/GCP), Docker, CI/CD

Technologies

Node.js, Golang, Postgres, MySQL, Next.js, React.js, AWS, GCP, Docker

Responsibilities

Build high-performance backend services, design scalable APIs, model and tune SQL databases, own features end-to-end, debug and optimize production systems

Seniority

Senior, hands-on IC

Rewrite
## About the role Astrochat sits at the intersection of culture, conversations, and code. We power millions of real-time interactions—and we're scaling fast. This role is for engineers who like owning systems, not just writing endpoints. ## Responsibilities - Build high-performance backend services in Node.js - Design APIs that don't just work—but scale cleanly - Get deep into SQL (data modeling, query tuning, real-world performance) - Own features end-to-end—from idea → prod → iteration - Work closely with Product & Frontend to ship fast and ship right - Debug, optimize, and harden systems used by thousands daily ## Requirements You must have: - 2–7 years of solid backend engineering experience - Strong hands-on work with Node.js and Golang - Comfort with SQL databases (Postgres/MySQL, indexing, joins, performance) - Experience building and maintaining production APIs - Clear thinking around systems, trade-offs, and scale ## Nice to have - Exposure to Next.js / React.js (full-stack curiosity counts) - Experience with microservices, queues, or async systems - Cloud exposure (AWS/GCP), Docker, CI/CD - Startup or consumer-scale product experience
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