Generative AI Engineer

Generative AI Engineer Lisbon, Portugal | 100% On-site | 4+ Years of Experience Dark Cloud Games is a Lisbon-based game studio developing AI-driven visual production technology. We are looking for a hands-on engineer to own applied research, technical solution design and implementation across generative imaging and 2D animation. What you will own: - Investigate research, open-source models and repositories; assess alternatives and define practical technical approaches. - Propose solution options, build and evaluate prototypes, and turn successful experiments into reliable, maintainable tools. - Develop and integrate image generation/editing, visual consistency and 2D animation workflows. - Improve local GPU inference, troubleshoot performance, test quality and document technical decisions. What we expect: - 4+ years of professional software development, including evidence of independently delivering technically complex work. - Bachelor's degree (Licenciatura), preferably in a technology-related field; if obtained abroad, it must already be recognised in Portugal via DGES, where required. - Strong Python, Git and software integration skills (APIs, debugging, testing, Linux environments). - Practical experience with generative AI or computer vision workflows (e.g., PyTorch, Hugging Face/Diffusers, ComfyUI or equivalent). - Confident use of AI-assisted engineering tools (Codex, Claude Code, Cursor or similar), with the judgment to verify their output. - Curiosity, ownership, sound technical decision-making and ability to work with English-language technical resources. Valued, not mandatory: Fine-tuning/LoRA, diffusion models, image segmentation, identity consistency, CUDA/VRAM optimization, multi-GPU systems, rigging or 2D animation pipelines. Compensation: €40,000–€55,000 gross annually, depending on experience. Workplace: Full-time, fully on-site in Lisbon. Apply: Send your CV and LinkedIn/GitHub or relevant portfolio to: AI@DARKCLOUD.GAMES.