Join our team as an Senior HR Business Partner (Team Lead) and help us understand and tackle cancer!

We are looking for an experienced and hands-on Senior HR Business Partner (Team Lead) who thrives in fast-growing, high-change startup environments. This role sits between upper and middle management: you will lead our HR team, partner closely with department heads and team leads, and play a key role in shaping the organization as we scale.
You will bring structure to chaos, turn growth challenges into opportunities, and help us build a high-performing, international organization. If you are passionate about organizational development, talent growth, and building culture in a hybrid setup, this is your place.

What You’ll Do
People & Organizational Development

• Own organizational development initiatives and lead them end-to-end.
• Conduct organizational reviews and drive development plans across teams.
• Build and maintain scalable people processes and strong HR infrastructure that support rapid organizational growth.
• Partner with all department leads and team leads to understand organizational needs and build strong, trust-based relationships.
• Maintain clear ownership over HR projects and deliver measurable outcomes.
• Ensure data-driven HR decision-making using structured frameworks.

Talent Management & Career Development

• Build and own the full talent management framework: evaluation cycles, development plans, competency frameworks, career ladders, and internal pipelines.
• Identify skill gaps and succession risks, and develop tailored solutions.
• Support and coach managers in performance evaluation, feedback, and career growth.
• Drive hiring planning together with leadership and own recruitment strategy.
• Collaborate closely with Finance on compensation strategy and annual reviews.

Leadership & Team Management

• Lead and mentor a 3-person HR team (HR ops-admin, Recruitment and Office & Facility), enabling them to grow.
• Coach team leads across the organization, helping them become stronger people managers.
• Bring stability, structure, and clarity to a rapidly evolving environment.

Culture & Hybrid Work

• Develop a strong, cohesive, hybrid work environment for an international team.
• Strengthen and scale company culture through programs, rituals, and systems.
• Act as a cultural ambassador and ensure alignment across all teams

What You Bring

• Proven experience in HR leadership as a HRBP/Lead, ideally in a high-growth startup or scale-up.
• Strong background in organizational development, culture building, and talent management.
• Ability to bring structure into ambiguous or chaotic environments.
• Experience partnering with senior leadership and leading cross-functional HR initiatives.
• A strategic mindset combined with operational execution strength.
• Experience designing hybrid work environments and scaling international teams.
• Coaching and mentoring skills; ability to grow future leaders.
• No industry-specific background required — we value adaptability and mindset.
• Fluent Hungarian and professional English.

You are a Turbiner if these personality traits apply to you

• You have self-awareness and strong intention on personal growth

• You seek out feedback and learn from mistakes and apply what you learned

• You take responsibility and focus on the outcomes over tasks

• You focus on shared success and are open to challenging others respectfully to get the best possible outcome

• You are in it for the long haul and have passion for our mission