Backend Developer (AI & Distributed Systems)

Join a small, high-impact backend group, set the architecture, raise the bar on reliability and speed, and partner with ML/Product to ship AI features at scale.

Tap is one of the world’s fastest-growing mobile app companies. We transform great ideas into elegant software. Our apps have been downloaded over 350 Million times.

We are seeking a seasoned Backend Developer with a solid background in high-load environments and experience in managing multiple Linux servers. The ideal candidate is someone who thrives in a fast-paced, innovative, and technology-driven culture. 

Responsibilities:

• Own architecture for high-scale, user-facing backends and data pipelines.
• Lead and mentor engineers; guide design reviews, roadmaps, and execution.
• Operate production systems with clear SLOs/SLAs, on-call quality, and blameless postmortems.
• Evolve our K8s/GPU platform, CI/CD, and observability to increase deployment velocity and resilience.
• Integrate and serve ML models (PyTorch, CUDA/TensorRT, Triton) with a focus on throughput and cost.
• Partner cross-functionally (ML, Product, Security, Finance) on priorities and cost/perf trade-offs.
• Hire, level up the team, and uplevel engineering standards.

What you bring

• 3+ years of backend engineering.
• Deep experience in Node.js or Python (strong in the other).
• Distributed systems/Kubernetes/cloud expertise; strong operational rigor.
• Track record of scaling systems, improving reliability, and shipping fast.
• Excellent communication, prioritization, and mentoring skills.

Nice to have

• Large K8s clusters (hundreds of nodes), GPU scheduling, NVIDIA stack (CUDA, Triton).