**Description:** ---------------- Do you want an opportunity to become part of our **Software Engineering \& Data** team? Do you enjoy **challenges**? **Then this is your chance...** At Facephi, we are looking for experienced **Full Stack Engineer** professionals to join our great **family**. If you're eager to add **value** to the team and take on new challenges as they arise, **come and meet us!** Your **mission** will be to design, develop, and integrate complete applications—from backend to frontend—using modern technologies and scalable architectures. The goal is to deliver robust, secure, and efficient products capable of integrating advanced AI services through LLMs (Large Language Models), while ensuring a seamless and high-performance user experience. ✍️**Main Responsibilities** * Design, develop, and maintain high-performance fullstack applications using GoLang, Node.js, and Python. * Implement integrations with language models (LLMs) and generative AI APIs (such as OpenAI, Anthropic, Mistral, or local models). * Design and implement modular, scalable, microservices-based architectures. * Validate code quality and stability, ensuring proper functionality in distributed environments. * Develop unit, integration, and end\-to\-end tests, applying best practices in continuous testing. * Integrate REST/GraphQL APIs, external services, and third-party libraries. * Design and maintain CI/CD pipelines to automate deployments and continuous delivery. * Manage and optimize relational databases (MySQL, PostgreSQL) and non-relational databases (MongoDB, Redis). * Participate in defining event-driven and container-based architectures using Docker/Kubernetes. * Maintain clear and up-to-date technical documentation. * Actively contribute to continuous product improvement and the adoption of new technologies, frameworks, and tools. **What We Offer Our Team?** * Become part of a great family of collaborative individuals from whom you can draw inspiration. * Innovative, young, and transparent team. * Job stability. * Full-time permanent contract. * Flexible working hours to balance your personal life. * Remote work plan. * Health insurance. * Training plan. * Facephi Corporate Benefits, where we are pleased to offer you a wide variety of discounts with top brands. * At Facephi, we are committed to diversity and equal opportunities. **Requirements:** --------------- * *Solid experience with Node.js (NestJS, Express) and Python. GoLang desirable.* * *Proven experience in integrations with LLMs (APIs or on\-premise models such as Ollama, HuggingFace, LangChain, or similar).* * *Advanced knowledge of modern frontend frameworks, preferably React, Next.js, StencilJS, or Next.js.* * *Strong understanding of frontend fundamentals (HTML, CSS, JavaScript/TypeScript) and good UX/UI practices.* * *Knowledge of cloud ecosystems (AWS, Azure, or GCP) and serverless services.* * *Proficiency with GitHub Actions or other CI/CD tools.* * *Experience with Infrastructure as Code (IaC)—Terraform, Pulumi, or CloudFormation.* * *Knowledge of Docker containers, Kubernetes, and production deployments in scalable environments.* * *Familiarity with hexagonal architecture, DDD, and SOLID principles.* * *Experience integrating systems via REST and GraphQL APIs.* * *Knowledge of observability and monitoring (Prometheus, Grafana, ELK).* * *Desirable experience with event-driven architectures (Kafka, RabbitMQ, NATS).*