Lead/Senior Data Scientist (Generative AI)

Lingaro; Poland; On-site; PLN 279,000 - 334,800; Full time

Benefits offered by this job

Stable employment

Office as an option

Workation options

Comprehensive onboarding

Upskilling support

Modern office equipment

Job summary

Lingaro is seeking a Lead/Senior Data Scientist to join their AI team in Poland. The role involves building end-to-end GenAI solutions and requires expertise in Generative AI and Natural Language Processing. You'll work on innovative projects with a strong tech stack and have the option to work remotely or in the office.

Lingaro emphasizes a diverse workplace, offers extensive learning opportunities including Udemy access, and promotes internal growth with a majority of management roles filled through promotions.

Qualifications

• Experience with machine learning in Generative AI focusing on NLP or multimodal models.
• Experience transforming business requirements into technical plans.
• Ability to lead junior team members.

Responsibilities

• Build end-to-end GenAI applications like chatbots and voicebots.
• Design and implement RAG pipelines with vector databases.
• Support pre-sales activities and initiatives.

Skills

Familiarity with deep learning concepts

Experience in Generative AI

Fluency in Python

Strong tech stack in Azure or GCP

Tools

PyTorch

HuggingFace

SQL

Databricks

Job description

Lead/Senior Data Scientist (Generative AI)

Growth through diversity, equity, and inclusion. As an ethical business, we do what is right — including ensuring equal opportunities and fostering a safe, respectful workplace for each of us. We believe diversity fuels both personal and business growth. We're committed to building an inclusive community where all our people thrive regardless of their backgrounds, identities, or other personal characteristics.

We are looking for Data Scientist to join Lingaro DS&AI Competency Center, AI team to help our clients deliver value with building end-to-end Talk-To-Data (TTD) Solution powered by LLMs & GenAI models. Lingaro AI team focuses on novel aspects of Generative AI and LLMs with range of applications i.e.: RAG, summarization, multi-agent workflows and model fine tuning. Our deep, PhD level expertise with GenAI, NLP and Computer Vision make us great team to join if you are willing to challenge yourself to new heights. We are looking for a long-term engagement in the space of GenAI and related aspects.

Tasks:

Build end-to-end GenAI applications such as chatbots, voicebots, Talk-to-Data systems, where you will help buiild: data ingestion, retrieval layer, orchestration (e.g. LangChain/LlamaIndex/LangGraph), API/backend, and simple UI where needed.

Design and implement RAG pipelines with vector databases, hybrid search, rerankers, query transformation, and evaluation frameworks for relevance and robustness.

Perform model selection, prompting strategies, and fine-tuning (LoRA/QLoRA/SFT) for text, code, and multimodal models, including guardrails, output evaluation and A/B testing.

Designing, integrating and optimizing LLMs interaction with external tools, APIs, and data sources in a standardized and scalable way by using Model Context Protocol (MCP) connectors.

Business understanding and translating problems into technical goals by defining success metrics, auditing data feasibility, and aligning stakeholder expectations.

Supporting Pre-sales activities and initiatives.

What We're Looking For:

Familiarity with theory behind various deep learning concepts.

Experience with Machine Learning (ML), especially in Generative AI (LLM/LMM) with focus on Natural Language Processing (NLP) or multimodal models.

Experience with business requirements gathering, transforming them into technical plan, data processing, feature engineering, models evaluation, hypothesis testing and model deployment.

Fluency in Python and object programing, working knowledge of SQL and vector database.

Strong tech stack in Azure or GCP cloud.

Knowledge of specific Deep Learning and GenAI libraries like: PyTorch, HuggingFace, LangChain, LangGraph and GenAI APIs i.e. OpenAI/Gemini.

What Will Set You Apart:

Experience in working with Databricks will be a plus.

Commercial experience proven by multiple successful projects in Generative AI, Natural Language Processing or Computer Vision will be a big plus.

General:

Experience with microservice architectures.

Experience with code repositories and code assistants.

Strong business acumen.

Ability to come up with creative solutions to address customer problem.

Ability to lead juniors in project team.

Missing one or two of these qualifications? We still want to hear from you! If you bring a positive mindset, we'll provide an environment where you feel valued and empowered to learn and grow.

We offer:

Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites.

“Office as an option” model. You can choose to work remotely or in the office.

Workation. Enjoy working from inspiring locations in line with our workation policy.

Great Place to Work® certified employer.

Flexibility regarding working hours and your preferred form of contract.

Comprehensive online onboarding program with a “Buddy” from day 1.

Cooperation with top-tier engineers and experts.

Unlimited access to the Udemy learning platform from day 1.

Certificate training programs. Lingarians earn 500+ technology certificates yearly.

Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly.

Grow as we grow as a company. 76% of our managers are internal promotions.

A diverse, inclusive, and values-driven community.

Autonomy to choose the way you work. We trust your ideas.

Create our community together. Refer your friends to receive bonuses.

Activities to support your well-being and health.

Plenty of opportunities to donate to charities and support the environment.

Modern office equipment. Purchased for you or available to borrow, depending on your location.