Senior Software Engineer, API Platform - Remote, Equity

Creandum; Ireland; Remote; EUR 73,000 - 100,000; Full time

Benefits offered by this job

Remote-first

Equity options

Learning budget

Hackathons

Personal projects time

Team events

Equipment budget

Flexible schedule

Job summary

CAST AI's Kimchi platform is hiring a Senior Software Engineer for the API Platform Team to own the inference API, billing, analytics, RBAC, and scale with our growing business. You will design and ship end-to-end features within 1–4 week cycles, focusing on performance and reliability.

You'll work across datastores, distributed systems, observability, and CI/CD in a remote-first, international setting. Equity options, a learning budget, and flexible collaboration with a global team are offered.

Qualifications

• Production experience with Go or TypeScript is strongly preferred; candidates without either should demonstrate strong systems programming skills in a comparable language.
• Strong debugging, optimization, and performance-tuning skills, including query profiling, index design, and database performance tuning beyond ORM usage.
• Hands-on experience with cloud platforms (AWS, GCP, or Azure) and Kubernetes is a strong plus.

Responsibilities

• Develop with observability in mind, identify bottlenecks and optimize for performance.
• Design the datastores and distributed systems behind the inference API, and keep them reliable as usage scales.
• Build the billing, usage metering, and role-based controls that let users monitor and govern their own consumption.

Skills

Go

TypeScript

Systems programming

Latency optimization

Observability

Cloud platforms

Kubernetes

CI/CD

English

End-to-end ownership

Tools

Prometheus

Grafana

OpenTelemetry

CI/CD tooling

Job description

CAST AI's Kimchi platform is hiring a Senior Software Engineer for the API Platform Team to own the inference API, billing, analytics, RBAC, and scale with our growing business. You will design and ship end-to-end features within 1–4 week cycles, focusing on performance and reliability.

You'll work across datastores, distributed systems, observability, and CI/CD in a remote-first, international setting. Equity options, a learning budget, and flexible collaboration with a global team are offered.