Sr AI Engineer TS/Vue/NodeJS in Quinta de Portugal, Castelo Branco at Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Sr AI Engineer TS/Vue/NodeJS in Portugal.

Join a fast-growing, remote-first engineering team building the next generation of AI-powered workflow automation solutions. In this role, you will design and deliver intelligent product capabilities that help users create, optimize, and manage complex workflows through natural language interactions and advanced AI technologies. Working at the intersection of full-stack development and applied AI, you will collaborate with product, design, and engineering teams to transform cutting-edge machine learning innovations into practical user experiences. The position offers significant ownership across the entire AI feature lifecycle, from architecture and experimentation to deployment and optimization. You'll contribute to scalable systems that serve a large global developer community while helping shape the future direction of AI-enabled automation. This is an excellent opportunity for an experienced engineer who enjoys rapid iteration, technical innovation, and building products with meaningful impact.

• Design, develop, and deploy AI-powered product features, including workflow generation, intelligent automation recommendations, code generation, and workflow optimization capabilities.
• Build and integrate large language model (LLM) solutions using APIs, embedding models, vector databases, and natural language interfaces.
• Architect scalable backend services and APIs using TypeScript and Node.js while contributing to frontend experiences with modern JavaScript frameworks.
• Develop and refine prompt engineering strategies to improve model accuracy, usability, and customer outcomes.
• Create internal evaluation frameworks, testing pipelines, and performance benchmarks for AI-powered systems.
• Collaborate closely with product managers, designers, and engineers to deliver user-centric AI solutions.
• Monitor, optimize, and enhance the reliability, scalability, and performance of AI integrations in production environments.
• Stay current with emerging developments in AI, agent frameworks, orchestration systems, and developer tooling, applying relevant innovations to product development.

Requirements:

• 5+ years of experience building and shipping web-based products, preferably within SaaS or high-growth technology environments.
• Strong full-stack development expertise using TypeScript, Node.js, RESTful APIs, and modern software architecture practices.
• Proven experience delivering AI-powered features in production using platforms such as OpenAI, Anthropic, or similar LLM providers.
• Solid understanding of AI and machine learning concepts, including agent architectures, embeddings, vector databases, retrieval strategies, and context management.
• Hands-on experience with prompt engineering, embedding models, vector stores, and AI workflow orchestration.
• Frontend development experience with Vue.js, React, or comparable frameworks.
• Strong problem-solving abilities with a practical, product-focused approach to applying AI technologies.
• Excellent communication and collaboration skills, with the ability to work effectively in distributed teams.
• Demonstrated ability to balance experimentation with execution and deliver high-impact solutions quickly.
• Experience with retrieval-augmented generation (RAG), LLM fine-tuning, multi-agent systems, or AI evaluation methodologies is highly desirable.

Benefits:

• Competitive salary and comprehensive compensation package.
• Equity participation, providing ownership in the company's long-term success.
• Fully remote work environment with flexibility across Europe, including the United Kingdom.
• Generous annual leave allowance plus public holidays.
• Health and wellness benefits aligned with local country standards.
• Pension and retirement contributions according to local regulations.
• Annual professional development budget for courses, conferences, books, coaching, and certifications.
• Regular team gatherings, hackathons, and collaborative innovation events.
• Monthly allowance to support open-source initiatives and community projects.
• Unlimited AI tooling budget to explore and leverage the latest productivity-enhancing technologies.
• Transparent and highly collaborative company culture with strong opportunities for career growth.