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Product Engineer, AI Email App

bjakcareerIndonesiaActAI Engineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Senior
Posted
28 Sept 2026
Status
Open · checked 7d ago

About this role

Based in Indonesia, the Product Engineer, AI Email App position at bjakcareer involves building AI-native applications for everyday tasks. This hands-on technical role suits professionals experienced in bridging user needs, model capabilities, and engineering constraints.

Role Overview

The Product Engineer, AI Email App position operates at the intersection of user requirements, model capabilities, and engineering limitations. The role involves working directly with machine learning and engineering teams to define system behavior, measurement protocols, and continuous improvements for long-running workflows and persistent context.

Key Responsibilities

Define end-to-end specifications for artificial intelligence capabilities spanning model performance, system functionality, and user experience.
Translate model attributes, evaluation outcomes, and engineering boundaries into product choices.
Balance quality, latency, expenses, reliability, safety, and user experience.
Collaborate with machine learning, backend, and client engineers on architecture, assessments, and iterations.
Create and advance evaluation frameworks utilizing offline metrics, online tests, and user feedback.
Establish quality standards and feedback mechanisms for artificial intelligence experiences.
Direct execution through specifications, prioritization, and technical judgment.
Detect failure modes to ensure predictable behavior and graceful system recovery.
Manage product quality parameters including correctness, dependability, utility, and user trust.

Requirements

Possess robust computer science fundamentals and system design capabilities.
Demonstrate understanding of modern machine learning and production artificial intelligence behaviors.
Ability to read technical designs, review architectures, and engage with engineers.
Display intuition regarding model limitations, hallucinations, evaluations, and failure points.
Bring significant experience managing complex technical products end-to-end.
Exhibit hands-on background with artificial intelligence products, specifically large language model systems.
Show familiarity with model evaluation, experimentation, prompting, and system iteration.
Capacity to convert ambiguous problems into specifications, measurable results, and execution plans.
Demonstrate judgment to make decisions when optimal paths remain unclear.
Display a curiosity-driven, highly technical mindset with a bias toward shipping and experimentation.
Maintain capability to challenge researchers constructively while collaborating effectively.
Operate with high ownership in a fast-moving, zero-to-one setting.

Nice to Have

Experience deploying artificial intelligence-heavy consumer products.
Background working as an engineer or technical product manager.
Prior involvement defining evaluation metrics for machine learning systems.
Intuition regarding artificial intelligence user experience patterns and failure management.
Background in zero-to-one product environments.

Skills and Tools

Machine Learning
Large Language Models
System Design
Offline and Online Evaluation Frameworks
Product Strategy and Execution

About the Company

bjakcareer operates as a small, high-talent-density, hands-on organization focused on building proactive applications for global users. The company emphasizes broad ownership, independent execution, rapid decision-making, and balancing speed with engineering fundamentals.

How to Apply

Interested candidates should apply directly on the official company careers page.

Skills and tech stack

LLMMachine Learning

Questions candidates ask

Where is the job located?

The position is located in Indonesia.

What is the primary focus of the product?

The product focuses on building proactive applications like an AI email app to organize daily workflows, conversations, and tasks with minimal prompting, high reliability, and persistent context.

What kind of experience is required for this role?

The role requires significant experience owning complex technical products end-to-end, hands-on work with LLM-based systems, and strong computer science and system design fundamentals.

What does the interview process look like?

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

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site