Senior Backend Engineer

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🕒 March 19

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Qweebi

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2021

💰 $100k Pre Seed Round on 2021-06

Qweebi is an early-stage EdTech startup headquartered in Singapore and backed by Antler Venture Capital. We're making hands-on, experiential learning accessible to all!We’re building the world's first online experiential learning platform that enables K-6 educators to teach Science/STEM through virtual hands-on interactive projects, instead of boring class lectures. We enable students to apply STEM, critical thinking, creativity to solve real-world problems in Physical, Earth, and Life Sciences.We’re a team of passionate game developers, software engineers, product designers, and marketers with a collective experience of 20+ years to develop fun and engaging games and build multi-million dollar businesses from the ground up.

📋 Description

• Design, build, and operate backend systems that power real-time, interactive 3D experiences for tens of thousands of concurrent users. • Conceptualize, prototype, and validate new AI use cases that can meaningfully enhance learning outcomes. • Evolve our CI/CD pipelines , automated testing, and deployment processes to ship new features weekly with confidence. • Implement data privacy and security practices aligned with COPPA/FERPA for K-12 users.

🎯 Requirements

• 7+ years of experience building distributed backend systems (Node.js/TypeScript preferred). • Experience with event-driven or multiplayer architectures — websockets, Pub/Sub, message queues, or equivalent. • Deep hands-on experience with AWS (EC2, RDS, S3, CloudFront), Cloudflare, and global caching/CDN strategies. • Strong grasp of relational database principles, schema design, indexing, query optimization, and transaction management — ideally with PostgreSQL at scale. • Practical experience integrating ML or LLM APIs into real products either professionally or in a hobby project capacity. • Experience with AI orchestration frameworks — built systems for prompt-chaining, context management, and intelligent tool use. • Proven ability to evolve pipelines and automated testing frameworks that support rapid, reliable iteration. • Mentors others, drives design reviews, and aligns engineers and product teams around clear technical outcomes.

🏖️ Benefits

• Flexible work arrangements