Senior AI Engineer – Agentic Backend

Decskill; Lisboa; Remote; EUR 60,000 - 90,000; Full time

Job summary

Decskill, part of the Astek Group, is growing and hiring backend-focused engineers for remote work from Portugal. You’ll contribute to scalable, cloud-native services and AI‑assisted tooling in a collaborative environment.

Join a diverse team of engineers, platform and product specialists, delivering robust APIs, resilient microservices, and secure integrations across enterprise systems. English proficiency required.

Qualifications

• Strong experience in backend development using modern software engineering practices.
• Solid knowledge of distributed systems, REST APIs, asynchronous processing and event-driven architectures.
• Experience building scalable cloud-native applications and microservices.
• Ability to develop orchestration services connecting AI agents, business logic, enterprise APIs and human approvals.
• Expertise in long-running workflows, persistent state management, retries and fault recovery.
• Experience integrating enterprise applications through APIs, messaging platforms and event-based architectures.
• Strong software design skills, with a focus on maintainability, resilience and reusable components.
• Ability to develop services for retrieval, context assembly, tool execution and memory management.
• Knowledge of authentication, authorization, API security and secure software development.
• Experience implementing logging, metrics, tracing and telemetry for backend services.
• Comfortable collaborating with AI engineers, platform engineers, data engineers, product managers and domain specialists.
• Fluency in English.
• Experience with AI-assisted development tools and engineering automation is a strong plus.

Skills

Backend development

Distributed systems

REST APIs

Asynchronous processing

Event-driven

Cloud-native

Microservices

AI integration

State management

Security (API)

Logging & telemetry

English fluency

AI tooling

Job description

We are growing. And we are looking for talented people.

At Decskill, we believe that technological excellence is driven by human talent.

We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long‑term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives.

As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long‑term career opportunities, while staying close to our teams.

Are you looking for an environment that values curiosity and commitment? Here, your contribution has real impact and individual growth is taken seriously.

Location: Remote

Requirements:

• Strong experience in backend development using modern software engineering practices.


• Solid knowledge of distributed systems, REST APIs, asynchronous processing and event‑driven architectures.


• Experience building scalable cloud‑native applications and microservices.


• Ability to develop orchestration services connecting AI agents, business logic, enterprise APIs and human approvals.


• Expertise in long‑running workflows, persistent state management, retries and fault recovery.


• Experience integrating enterprise applications through APIs, messaging platforms and event‑based architectures.


• Strong software design skills, with a focus on maintainability, resilience and reusable components.


• Ability to develop services for retrieval, context assembly, tool execution and memory management.


• Knowledge of authentication, authorization, API security and secure software development.


• Experience implementing logging, metrics, tracing and telemetry for backend services.


• Comfortable collaborating with AI engineers, platform engineers, data engineers, product managers and domain specialists.


• Fluency in English.


• Experience with AI‑assisted development tools and engineering automation is a strong plus.

Find with us the right opportunity to grow!

What you can expect from us

• Long‑term projects with national and international context


• Opportunities to grow technically and professionally


• A people‑first culture, focused on transparency and trust


• Teams that value ownership, collaboration and stability