AI Scientist

AI Scientist

XTM International · Athens, Greece (Hybrid) · Full-time · Posted 2026-09-08

Workplace: hybrid

Department: Product

Description

At XTM Group, we build technology that helps enterprises connect with global audiences faster and more efficiently. Our Translation Management platform enables organizations to automate and streamline every stage of the localization process.

We believe innovation happens when talented people collaborate, experiment, and continuously learn. That’s why we foster an inclusive, solution-oriented culture where curiosity, teamwork, and ownership are valued every day. Our mission is to become the leading enterprise Translation Management System — and we’re looking for people who want to help shape the future of global communication technology.

The Role

Hybrid Working Requirement: Candidates should be flexible to attend our Marousi, Athens office 3 times per week. Please note that travel or commuting expenses will not be covered for candidates residing outside Attiki or outside a reasonable commuting distance.

This is an individual contributor role, and the successful candidate will not have direct people-management responsibilities.

XTM is looking for an AI Language Scientist to shape how we build and apply artificial intelligence across our translation and localization ecosystem.

This is a high-impact role for an AI expert who wants to operate at the intersection of deep technical research, product roadmap, and hands-on engineering. You will be XTM’s core technical authority on AI—helping us identify genuinely useful capabilities, avoid hype, and build high-value, production-ready features for our global enterprise customers.

Primary Responsibilities

1. AI in Language Technology (Core Focus)

• Explore how advances in AI disrupt and enhance traditional translation, terminology, localization, and multilingual content workflows.
• Identify high-value opportunities where LLMs, RAG, and custom models directly improve automated translation quality, workflow automation, and enterprise localization tools.
• Leverage XTM's existing localization expertise and proprietary data to create unique competitive differentiation.

2. AI Research & Innovation

• Stay at the forefront of AI/ML developments (LLMs, multimodal AI, agentic systems, vector embeddings, fine-tuning).
• Design and execute prototypes, experiments, and proof-of-concepts to validate new capabilities before handing off to product.
• Establish rigorous metrics for model evaluation, quality, reliability, accuracy, latency, and cost.

3. Product & Engineering Collaboration

• Work closely with Product and Engineering teams to turn successful experiments into production-ready capabilities.
• Partner with engineers to move prototypes to scalable implementations and define technical requirements for AI-powered features.
• Write clean Python code and contribute hands-on technical implementations where appropriate.

4. AI Strategy & Technical Direction

• Partner with Product, Engineering, and executive leadership to define XTM’s AI vision and technical roadmap.
• Conduct build-vs-buy evaluations across models, platforms, frameworks, and AI infrastructure.
• Set internal standards for experimentation, evaluation, responsible AI, and production readiness.

5. Industry Voice & Community Engagement (Secondary Focus)

• Serve as an external voice for XTM by writing occasional research-led articles, presenting at key industry events, or engaging with academic and open-source AI communities. (Note: Primary focus remains internal research and product execution).

Requirements

Essential

• 5+ years of professional experience in AI, Machine Learning, NLP, Generative AI, or a closely related field.
• Domain Expertise: Proven experience in NLP, translation technology, computational linguistics, or working with large multilingual datasets.
• Hands-on LLM Experience: Demonstrated success building with LLMs, modern ML frameworks, transformers, RAG, vector search, and model fine-tuning.
• Engineering Skills: Strong Python skills and the ability to build functional prototypes and write production-grade code alongside engineering teams.
• Pragmatic Evaluation: Proven ability to critically evaluate emerging tech against real-world metrics (accuracy, latency, cost) rather than adopting trends.
• Communication: Exceptional ability to explain complex AI concepts clearly to both technical and non-technical stakeholders.

Highly Desirable

• Advanced degree (Master’s or PhD) in Computer Science, AI, NLP, or computational linguistics.
• Experience with agentic AI workflows, tool-using LLMs, and AI observability frameworks.
• Prior experience in enterprise B2B SaaS environments.
• Published research, patents, or active open-source contributions.

What Success Looks Like (First 12 Months)

• Quarter 1: Established an audit of XTM’s AI capabilities and built a streamlined framework for evaluating emerging models.
• Quarter 2: Delivered initial prototypes that successfully validate new AI-driven language features for the product roadmap.
• Quarter 3: Partnered with engineering to deploy a key AI capability into production.
• Quarter 4: Established XTM’s go-forward AI technical roadmap and served as a recognized internal authority across all product lines.

Benefits

Why You’ll Enjoy Working Here

At XTM, we want people to do meaningful work, grow their careers, and have the freedom to innovate. Here’s what you can expect:

• Make a real impact — contribute to meaningful business outcomes, solve challenges, and help shape the future of our products and services.
• Innovate with AI and technology — explore new ideas, use modern tools, and find smarter ways to work, build, and solve problems.
• Grow your career globally — develop your skills, learn from experienced colleagues, and explore opportunities across our international teams.
• Collaborate across disciplines — work with talented people from different backgrounds and areas of expertise to turn ideas into practical solutions.
• Keep learning and evolving — stay curious, explore emerging trends, and develop your expertise in a culture that values continuous improvement.
• Enjoy competitive rewards and benefits — access compensation and benefits designed to support your professional growth and personal wellbeing.

Benefits may vary depending on location and employment type. Your Talent Partner will share additional details during the hiring process.

Inclusion at XTM

At XTM Group, we believe diverse perspectives create stronger ideas, better products, and more meaningful experiences. We’re committed to building a workplace where everyone feels respected, supported, and empowered to succeed.

If you require accommodations during any stage of the recruitment process, we encourage you to let us know — we’re happy to support you.

What to Expect from the Hiring Process

We aim to create a hiring experience that is transparent, engaging, and respectful of your time.

Application Review

Our Talent Acquisition team will review your application and experience carefully.

Introductory Conversation

If your profile aligns with the role, you’ll meet with a Talent Partner to discuss your background, career goals, and the opportunity in more detail.

Skills & Team Conversations

You’ll connect with hiring managers and cross-functional stakeholders to discuss your experience, skills, problem-solving approach, and how you can contribute to the team and the wider business.

Final Discussions

Depending on the process, there may be a final conversation focused on strategic thinking, collaboration, and long-term growth potential.

Offer & Onboarding

Successful candidates will receive a tailored offer and onboarding support to help them succeed from day one.

Recruitment Notice

Please be aware of fraudulent recruitment activity. Official communications from XTM will only come from email domains ending in:

• @xtm-intl.com
• @xtm.ai
• @xtm.cloud
• @transifex.com

Apply

Apply at XTM International

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