Latest AI JobsBrowse Jobs
bjakcareer logo

Principal Software Engineer, AI Email App

bjakcareerSeoul, KoreaActAI Engineering
Apply on company site
Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Senior
Posted
28 Sept 2026
Status
Open · checked 9d ago

About this role

Bjakcareer is hiring a Principal Software Engineer for an AI Email App in Seoul, Korea, to direct the technical architecture and lead a compact team of senior developers. This hands-on position suits a technical leader who wants to transform standard productivity software into reliable, intelligent tools.

Role Overview

This position involves directing the engineering strategy for an artificial intelligence email product based in Seoul, Korea. The person in this role will guide architecture across backend services, application programming interfaces, and client platforms while maintaining close contact with the codebase. The work centers on minimizing complex prompting for users while maximizing reliability for long-running workflows and real-world task completion.

Key Responsibilities

Direct application engineering strategy and execution covering backend, mobile, and desktop environments.
Architect dependable systems for artificial intelligence workflows handling state, orchestration, tool integration, retries, and failure management.
Develop application programming interfaces and abstractions linking intelligence systems to product experiences.
Direct a compact senior engineering team through technical mentoring, design reviews, and code evaluations.
Balance latency, reliability, expenses, security, and user experience.
Implement production standards including monitoring, testing, and operational oversight.
Collaborate with machine learning leadership to convert model capabilities into shippable features.

Requirements

Extensive background leading application or product engineering for intricate architectures.
Practical experience developing and deploying production backend systems.
Background creating artificial intelligence products that integrate modern machine learning or large language models.
Technical judgment to navigate decisions with incomplete data.
Competence across backend and client platforms with deep specialization in at least one.
Strong focus on personal accountability, delivery, and iterative learning.

Skills and Tools

Backend Systems
Mobile and Desktop Platforms
Application Programming Interfaces
Machine Learning and Large Language Models
Monitoring and Observability Tools

About the Company

Bjakcareer builds proactive applications for users worldwide to bring intelligence to daily conversations, errands, organization, and workflows with minimal prompting. The organization operates as a compact, hands-on team where engineers maintain broad ownership and independent execution.

How to Apply

Interested candidates should visit the official bjakcareer careers page to submit an application for this role.

Skills and tech stack

LLM

Questions candidates ask

Where is the job located?

The role is located in Seoul, Korea.

What is the primary focus of the engineering work?

The engineering work focuses on turning artificial intelligence capabilities into reliable products, specifically managing long-running workflows, persistent context, state, orchestration, and failure handling across backend, mobile, and desktop platforms.

Is this a management-only role?

No, this is a hands-on leadership role where the engineer stays close to the code, makes architectural decisions, and performs code and design reviews.

What does the interview process look like?

The interview process consists of three to four interviews conducted through virtual meetings or onsite sessions, evaluated by technical team members.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site