Senior python/ ai backend developer

2 semanas atrás

Lisbon, Portugal Act Digital Tempo inteiro

We are looking for an experienced Senior Python / AI Backend Developer to join our AI development team. You will build and evolve the backend infrastructure powering a suite of specialized AI assistants (e.g., helpdesk support, back-office operations, and HR solutions). This role requires strong backend engineering skills, hands-on experience with Python frameworks, and genuine interest in AI-driven systems .
Responsibilities: Design, develop, and maintain robust, scalable backend services for AI assistants; Build and manage secure, efficient RESTful APIs for data integration; Ensure performance, reliability, observability, and data security across services; Collaborate closely with front-end teams to deliver consistent user experiences;
Integrate AI-driven capabilities to enable automation and intelligent support; Participate in agile practices (sprint planning, code reviews, retrospectives, continuous improvement);
Communicate technical concepts clearly to business and non-technical stakeholders.
Required Skills & Experience
3+ years developing backend web applications in Python; Strong experience with Fast API and REST API development; Solid understanding of backend architecture, databases, and server-side logic;
Experience working in an AI-focused development environment; Familiarity with AI integration frameworks such as Lang Chain and Lang Graph; Proficiency with Git; Growth mindset and willingness to learn new AI technologies;
Ability to explain technical topics to non-technical audiences;
English level B1 or higher.
Technical Skills Matrix (Expected Level)
Python — Advanced RESTful APIs — Advanced Fast API — Advanced Git — Advanced Docker — Intermediate Kubernetes — Intermediate Postgre SQL — Intermediate AI Integration Frameworks (Lang Chain, Lang Graph) — Intermediate Agile Development Practices — Intermediate
Nice to Have
Familiarity with LLMs (Large Language Models) Cloud experience, preferably Microsoft Azure Basic understanding of machine learning / AI concepts Experience with Docker and Kubernetes Knowledge of Postgre SQL Previous experience in the banking industry (2+ years is a plus)

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