**Senior Go/Ruby Engineer (Gateways Infra, Singapore)
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__Location: Singapore ONLY.**
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**Product: **A global **Integration Platform as a Service (iPaaS)** that uses **AI and ML **to enable organizations to seamlessly connect data sources, cloud applications, and enterprise systems through **low-code/no-code automation.**

**About the Role: **
We are looking for several **Senior Go/Ruby Engineers** to join our **Gateways team **and work on the** **core **Model Context Protocol (MCP) **and **AI Gateway infrastructure.** Responsibilities may include:

— Building and evolving the core services of both gateways, not applications sitting on top of them.
— Handling the protocol side: dispatching model and tool calls, authentication and tenant isolation in a multi-tenant setup, and long-lived streaming sessions held open across real networks and load balancers.
— Keeping throughput and tail latency predictable — connection management, backpressure, concurrent processing — and when they slip, profiling the running service and fixing the actual cause.
— Designing the observability for everything you ship, including the AI-specific signals: latency per provider, tokens consumed, cache hit rates, cost per request.
— Working with PostgreSQL in depth: schemas, indexes, and queries that hold up as volume grows.
— Shipping into a live product that keeps moving: parts get redesigned and rewritten in flight, and each engineer carries their slice from design through production and keeps it afterwards.
— Shaping how the team works with AI tooling: agent-driven workflows, automated code review, internal utilities.
— Collaborating with the Infra/SRE teams on availability and scaling; architecture and code reviews.

[More info
](https://newhr.notion.site/senior-go-ruby-engineer-singapore)
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