AI Engineer (Speech & NLP Systems)
Tietoevry · зарплата не указана · Lisbon, Lisbon, Portugal · сайт компании · опубликовано 13 мая 2026 г.
Описание вакансии
At Tieto, we are looking for an AI Engineer (Speech & NLP Systems) to join our team and contribute to the development of intelligent voice and conversational AI solutions.
We are seeking a motivated professional with experience in Speech Technologies, Natural Language Processing, Machine Learning, or related fields, eager to work in an innovative, collaborative, and fast-paced technological environment. In this role, you will help enhance the robustness, intelligence, and real-world performance of our speech and language systems, enabling seamless and reliable user interactions across our platforms.
You will work on end-to-end speech and NLP pipelines, including ASR, NLU, and intent/slot models, while collaborating closely with QA and platform teams to ensure scalable, optimized, and production-ready solutions.
Responsibilities
Design and enhance speech recognition and natural language processing solutions, including ASR, NLU, and intent/slot detection pipelinesImprove system performance in real-world environments, considering noise, accents, and diverse user interactionsSupport the development of language understanding capabilities and conversational flowsOptimize AI models to achieve efficient latency and resource usageDefine and execute evaluation methodologies to measure speech and NLP model qualityCollaborate closely with QA and platform teams to ensure stable and reliable production deploymentsQualifications
Proven experience working with speech technologies and/or NLP systemsHands-on experience with ASR and NLU architectures and pipelinesKnowledge of model evaluation processes and dataset preparation/curationStrong programming skills in Python and experience with machine learning frameworksUnderstanding of deployment challenges and production environment constraintsExperience developing voice assistants or conversational AI solutionsFamiliarity with Edge AI or embedded machine learning environmentsExperience working with multilingual NLP models or locale-specific language solutionsNice to Have
Experience improving speech systems for noisy or low-resource environmentsKnowledge of conversational AI optimization and dialog management strategiesExposure to scalable AI deployment and monitoring practicesStrong analytical and problem-solving skillsProactive mindset and ability to work collaboratively in cross-functional teams
At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.
Diversity, equity and inclusion (tietoevry.com)