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Engineering Lead, AI Email App

bjakcareerUnited KingdomActAI Engineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Lead
Posted
28 Sept 2026
Status
Open · checked 8d ago

About this role

Bjakcareer seeks an Engineering Lead for an AI Email App based in the United Kingdom to direct the technical strategy and guide a small team of senior engineers. This position suits an experienced software professional with a background in complex application development and modern machine learning integration who wants to build reliable, proactive productivity tools.

Role Overview

The Engineering Lead manages the software layer responsible for transforming artificial intelligence features into stable product experiences. Responsibilities include defining the architecture spanning backend services, application programming interfaces, and client software while maintaining direct involvement with the codebase.

Key Responsibilities

Direct application engineering strategy and execution across backend, mobile, and desktop platforms.
Design dependable architectures for artificial intelligence workflows covering state management, orchestration, tool use, retries, fallbacks, and failure handling.
Construct application programming interfaces and abstractions linking model capabilities to real-world product features.
Direct a compact team of senior engineers through design evaluations, code reviews, and direct mentorship.
Balance trade-offs involving latency, operational costs, dependability, security, and user experience.
Implement production standards for observability, monitoring, testing, and operational procedures.
Collaborate with machine learning leaders to convert model outputs into shippable product features.

Requirements

Demonstrated background in directing application or product engineering for intricate software architectures.
Practical history in constructing and delivering production-level backend services.
Background in developing artificial intelligence products or systems integrated with modern language models.
Ability to exercise technical judgment and make critical decisions with partial data.
Expertise spanning backend and client platforms with deep knowledge in at least one domain.
Commitment to ownership, rapid delivery, and high standards for code quality and reliability.

Skills and Tools

Backend systems
Mobile and desktop platforms
APIs and abstractions
AI and ML/LLM integrations
System orchestration and state management
Observability and monitoring tools

About the Company

Bjakcareer operates as a lean team focused on developing proactive productivity applications such as email, notes, tasks, calendar, and workflows for global users with minimal prompting. The organization prioritizes reliability in long-running workflows, persistent context, and real-world task completion to reduce hallucinations.

How to Apply

Interested candidates should visit the official company careers page to submit an application.

Skills and tech stack

LLM

Questions candidates ask

What is the location of the Engineering Lead role?

The position is located in the United Kingdom.

What are the primary responsibilities for this position?

The role involves owning the engineering strategy across backend, mobile, and desktop, designing reliable systems for artificial intelligence workflows, building application programming interfaces, and leading a small team of senior engineers.

Is this a hands-on technical position?

Yes, this is a hands-on leadership role where the candidate stays close to the code, makes architectural choices, and performs code and design reviews.

What kind of interview process can candidates expect?

The evaluation consists of three to four interviews conducted through virtual meetings and/or onsite sessions.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site