Senior Engineer, Internal tools
BJAK
Seoul
Workplace: HybridFull timeFunction: Solutions Engineering & Sales EngineeringExperience: 5+ yearsSkills: ["Python","Go","TypeScript/Node.js","Java","SQL","Docker","Kubernetes","AWS","GCP","Azure","CI/CD","APIs","Workday","Salesforce","Slack","NetSuite","ETL","Data modelling"]Senior Engineer responsible for designing, building, and maintaining internal platforms and tools used across People, Finance, Ops, Sales, and Engineering. Own features end-to-end from requirements to deployment, architect API-first integrations, ensure reliability and scale, and lead AI-powered workflow improvements. Mentor engineers, influence technical direction, and collaborate with stakeholders to improve internal productivity.

