Backend Developer - NO AGENCY

Location: ["South Africa"]

Summary We are a data-first platform building reliable, scalable infrastructure around complex data workflows. Our product is deeply data-driven, with a strong focus on performance, reliability, and long-term maintainability. We are actively looking for a Backend Developer (mid–senior level, 3+ years of experience) to join us on a long-term basis and help strengthen and scale our backend systems as we grow. We are a fully remote team, with team members based in Europe and South Africa, and we value autonomy, ownership, and clear communication. YOUR MISSION: → Add test coverage + CI/CD pipeline → Fix database issues (race conditions, connection pooling, query optimization) → Implement performance fixes (pagination, caching) → Review architecture for scale → Set up monitoring & structured logging → Secure & optimize API routes → Background jobs & webhooks reliability (Inngest) TECH STACK: • Next.js 15 (API Routes, Server Actions) • PostgreSQL + ClickHouse • Vercel, Inngest, Clerk MUST HAVE: • 5+ years Node.js/TypeScript backend • PostgreSQL (transactions, performance) • REST API design & security • Testing • Database architecture & schema design • Experience stabilizing existing codebases, not just greenfield Budget: $1,000-$2,000/month Type: Full-time Start: ASAP Opportunity: Long-term NO AGENCY

Apply: https://www.upwork.com/jobs/~022010084326663761428