Reinforcement learning (RL) trains an agent to make sequential decisions by rewarding or penalizing outcomes, rather than learning from labeled examples. It underlies applications from recommendation ranking to RLHF-tuned language models.

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39 jobs · 19 companies · last seen 25 September 2026

There are currently 39 open roles in Berlin that mention RL, posted by 19 companies. It frequently pairs with Reinforcement Learning, Machine Learning, LLM. Seen most in AI/ML (22% of their roles) and genAI/LLM/Agentic AI (7% of their roles) and Data Scientist (6% of their roles).

Frequently asked questions
How many RL jobs are available in Berlin right now?
There are currently 39 open roles in Berlin that mention RL, posted by 19 companies. The board is refreshed multiple times a day — more frequently during Berlin working hours — so new roles can appear throughout the day.
Which companies in Berlin are hiring for RL?
Companies currently listing the most RL roles include: Helsing, Tether, PAIR Finance, LawZero, Nebius.
What skills pair well with RL?
Employers who ask for RL also frequently require: Reinforcement Learning (100%), Machine Learning (95%), LLM (87%), Python (74%), Communication (46%).
In which Berlin job roles is RL most in demand?
Based on current listings, RL appears most in: AI/ML (22%), genAI/LLM/Agentic AI (7%), Data Scientist (6%) roles.

By job family

% of open roles in each family that mention RL

  • AI/ML 22% (19/87)
  • genAI/LLM/Agentic AI 7% (15/230)
  • Data Scientist 6% (3/48)
  • Leadership 1% (1/67)
  • Other 0% (1/329)

By company

Top companies looking for RL

  • Helsing Helsing 10
  • Tether Tether 7
  • PAIR Finance PAIR Finance 3
  • LawZero LawZero 2
  • Nebius Nebius 2
  • Kayzen Kayzen 2
  • Intercom Intercom 1
  • Phantom Phantom 1
  • Zalando Zalando 1
  • Other (10 companies) 10

Open roles mentioning RL

LawZero
genAI/LLM/Agentic AI
25 Sept
Intercom
AI/ML
16 Sept
Phantom
AI/ML
14 Sept
Nebius
genAI/LLM/Agentic AI
10 Sept
Zalando
AI/ML
10 Sept
Nebius
genAI/LLM/Agentic AI
1 Sept
Perplexity

Perplexity

Member of Technical Staff (AI Researcher)

US$220k–US$485k/yr
genAI/LLM/Agentic AI
25 Aug
PAIR Finance

PAIR Finance

Senior Data Scientist (f/m/d)

Hybrid
genAI/LLM/Agentic AI
25 Aug
MOTOR Ai
AI/ML
24 Aug
Helsing
AI/ML
21 Aug
Helsing
AI/ML
20 Aug
Helsing
AI/ML
20 Aug
Helsing
Other
20 Aug
Helsing
Helsing
AI/ML
20 Aug
Helsing
AI/ML
20 Aug
Helsing
genAI/LLM/Agentic AI
20 Aug
Kayzen

Kayzen

Data Scientist (m/f/d)

Remote
Data Scientist
19 Aug
Kayzen
Data Scientist
19 Aug
PAIR Finance

PAIR Finance

Data Scientist (f/m/d)

€58k–€73k/yr Hybrid
Data Scientist
14 Aug
CuspAI
genAI/LLM/Agentic AI
13 Aug
Tether
genAI/LLM/Agentic AI
5 Aug
Tether
genAI/LLM/Agentic AI
5 Aug
Tether
genAI/LLM/Agentic AI
4 Aug
Tether
genAI/LLM/Agentic AI
4 Aug
Tether
genAI/LLM/Agentic AI
3 Aug
Tether
genAI/LLM/Agentic AI
31 Jul
Amazon / AWS
genAI/LLM/Agentic AI
30 Jul
PAIR Finance

PAIR Finance

Team Lead (f/m/d) Data Science

Hybrid
Leadership
24 Jul
Audible
AI/ML Reposted
16 Jun
Merantix Momentum
AI/ML
23 Dec
Mapbox
AI/ML
2 Dec
Phantasma Labs

Phantasma Labs

Machine Learning Engineer

Hybrid
AI/ML
distil labs

distil labs

Machine Learning Science Intern

Internship Remote
genAI/LLM/Agentic AI