Latest AI JobsBrowse Jobs
bjakcareer logo

Principal Software Engineer, AI Email App

bjakcareerUnited KingdomActAI 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

This position suits an experienced software engineering leader who wants to direct the technical architecture of an AI-powered email application based in the United Kingdom. The Principal Software Engineer, AI Email App role at bjakcareer involves building reliable production systems and leading a senior engineering team.

Role Overview

The Principal Software Engineer, AI Email App position is located in the United Kingdom with bjakcareer. This role centers on owning the engineering layer that transforms artificial intelligence capabilities into a dependable product across backend services, application programming interfaces, and client applications. The professional in this position will maintain a hands-on approach by staying close to the codebase, guiding technical decisions, and mentoring a compact team of senior engineers.

Key Responsibilities

Direct application engineering strategy and execution covering backend, mobile, and desktop platforms.
Architect dependable systems for artificial intelligence workflows handling state, orchestration, tool usage, retries, fallbacks, and failure management.
Construct application programming interfaces and abstractions linking intelligence systems to practical product interactions.
Direct a compact team of senior engineers via design evaluations, code inspections, and direct mentorship.
Balance performance trade-offs involving latency, dependability, expenses, security, and user experience.
Set up robust production foundations encompassing observability, monitoring, testing, and operational standards.
Collaborate with machine learning leadership to translate model functions into shippable product features.
Maintain architectural simplicity and scalability while delivering updates rapidly.

Requirements

Extensive background in directing application or product engineering for intricate architectures.
Solid practical experience in developing and delivering production backend systems.
Background in creating intelligence-enabled products or systems integrated with contemporary machine learning and large language models.
Strong technical judgment regarding decisions made with partial information.
Adaptability across backend and client platforms alongside deep knowledge in at least one area.
Strong focus on personal responsibility, delivery, and iterative learning from practical use.
Rigorous standards for code quality, reliability, and engineering foundations.

Skills and Tools

Backend systems
Application programming interfaces
Mobile and desktop platforms
Machine learning and large language models
State and workflow orchestration
Observability and monitoring tools

About the Company

bjakcareer operates as a compact, hands-on organization focused on developing proactive applications for users globally without requiring complex prompting. The company builds software designed to bring intelligence to everyday tasks, communications, and workflows with an emphasis on reliability and persistent context.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

Machine LearningLLMAPIsBackend ServicesMobileDesktop

Questions candidates ask

What is the location of the Principal Software Engineer, AI Email App role?

The position is located in the United Kingdom.

Is this a hands-on coding position?

Yes, this is a hands-on leadership role where the engineer stays close to the code while guiding architectural decisions and leading a small team.

What platforms are included in the engineering strategy?

The engineering strategy covers backend, mobile, and desktop platforms.

How many interview rounds are part of the hiring process?

The interview process consists of three to four interviews conducted via virtual meetings and/or onsite.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site