Senior GenAI Backend Engineer | Node.js & TypeScript

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.

We are looking for an Senior GenAI Backend Engineer | Node.js & TypeScript!

Responsabilities:

1. Service Context

• Provision of application development services in support of a Multi-cloud GenAI platform (Azure / AWS / Google), with a primary focus on the Secure GPT service, within the AI products team for group entities.
• The service is oriented toward back-end development activities (approx. 90%) with limited front-end contributions (approx. 10%).
• The objective is to contribute to the evolution of platform capabilities, ensuring secure, scalable, and high-quality implementations aligned with business and technical requirements, and compliant with security and regulatory requirements.
• Continuous enhancement of platform functionalities and operational efficiency is expected within the scope of this service.

2. Service Scope (not limited to)

• Design, development, and enhancement of features related to the Secure GPT service: document understanding, translation, agentic capabilities, web usage, APIs, automation.
• Execution of end-to-end development activities: study, analysis, technical design, implementation, documentation, testing, and monitoring.
• Definition and tracking of KPIs to monitor usage and support data-informed decisions.
• Collaboration within an international team and regular communication with Tech Lead and Product Owner to align technical outputs with expected service objectives.
• Implementation of solutions compliant with security, regulatory, and internal standards.
• Identification of improvements in processes, automation, and customer service delivery, and contribution to continuous improvement of the product.

3. Service Deliverables (not limited to)

• Delivered and fully tested functional components for the Secure GPT service.
• Search, study, define/design technical documentation covering architecture, APIs, and implemented features.
• Defined KPIs and associated monitoring (dashboards, metrics, or reports) to track usage and performance.
• Automated workflows and scripts supporting platform operations and efficiency.
• Contributions and proposals for continuous improvement of the platform, including implemented enhancements.

Requirements:

• Strong expertise in web application development, with a focus on back-end technologies and limited front-end activities.
• Proficiency in JavaScript / TypeScript development: Back-end: Node.js, Front-end: Next.js / React
• Expertise in the full testing lifecycle.
• Unit tests
• End-to-end (E2E) tests.
• Developers owning the full testing cycle.
• Expertise in API design, implementation, and operation.
• Hands-on expertise with Azure, including: Design, operations, and management of App Services, Cosmos DB, Application Insights, Monitoring.
• Expertise with DevOps practices and tools: Azure DevOps, CI/CD pipelines.
• Knowledge of Infrastructure as Code (IaC) fundamentals and automation scripts for workflows and operations.
• Expertise in prompt engineering: Able to draft, test, and iteratively improve prompts to leverage AI effectively.
• Autonomous and pro-active working style: able to take topics from A to Z without hand-holding and continuously improve own work.
• Collaborative mindset: able to work effectively in cross-functional, international teams.
• Adaptable: comfortable with shifting priorities and evolving context.
• Clear communicator in English (B1 level minimum), both written and verbal.
• Problem-solver: proactive and solution-oriented by default.
• Good level of english.

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

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.

If you’re interested in this job, please send your CV to [email protected] with reference “CA/GenAI.

Your next challenge might start here.

Join us!😊

Decskill is committed to equality and non-discrimination with all our talents. We recruit and promote talent, based on diversity and inclusion, regardless of age, gender, ethnicity, race, nationality or any other form of discrimination incompatible with the dignity of the human being.