Latest AI JobsBrowse Jobs
bjakcareer logo

Backend Engineer, AI (Agent Systems)

bjakcareerPortugalActAI Engineering
Apply on company site
Salary
Not listed
Job type
Full-time
Work mode
Remote
Posted
28 Sept 2026
Status
Open · checked 7d ago

About this role

Bjakcareer is hiring a Backend Engineer, AI (Agent Systems) in Portugal to design and operate the inference and orchestration layer for proactive AI applications. This position is suitable for a software professional with strong backend fundamentals looking to build reliable, high-throughput systems that serve users globally.

Role Overview

This position involves owning the backend architecture that sits between language models and users. The professional in this role will develop production systems that convert model capabilities into stable application programming interfaces for mobile and desktop clients, focusing on low latency, cost efficiency, and correctness.

Key Responsibilities

Construct and manage backend services that deliver artificial intelligence features in live production environments.
Create inference pipelines, orchestration layers, and service boundaries for models.
Handle production monitoring, logging, alerting, and incident management.
Fine-tune latency and throughput through inference, caching, batching, and streaming mechanisms.

Requirements

Solid backend engineering background in production environments.
History of operating high-throughput, low-latency services.
Knowledge of artificial intelligence inference patterns such as large language models, embeddings, and multimodal systems.
Ability to troubleshoot distributed systems under heavy load.
Preference for shipping functionality and gathering insights from production usage.

Skills and Tools

Python
NodeJs
Pytorch
OpenAI, Anthropic, and open-source LLMs
SQL and NoSQL databases
Kubernetes
Docker

About the Company

ACTAI develops proactive applications designed to bring intelligence to everyday tasks, conversations, and workflows with minimal prompting. The organization focuses on creating reliable long-term workflows, persistent context, and real-world task completion to reduce hallucinations for users worldwide.

How to Apply

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

Skills and tech stack

Questions candidates ask

Where is the job located?

The position is based in Portugal.

What technologies are used in the tech stack?

The tech stack includes Python, NodeJs, Pytorch, OpenAI, Anthropic, open-source LLMs, SQL, NoSQL, Kubernetes, and Docker.

What is the primary focus of the role?

The role focuses on building and operating backend systems that serve AI-powered features, designing inference pipelines and orchestration layers, managing production operations, and optimizing latency and throughput.

What does the interview process involve?

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

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site