Senior Machine Learning Engineer at Digital Waffle
Berlin, Berlin, Germany -
Full Time


Start Date

Immediate

Expiry Date

03 Dec, 26

Salary

0.0

Posted On

04 Sep, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Yes

Skills

Industry

Information & Data Services

Description

The roleYou'll bridge research and production, taking ideas and turning them into systems that run at scale, stay reliable, and get better over time. Full-stack ML ownership: from raw data to deployed model.

  • Day to day that looks like:Building end-to-end pipelines across data, training, evaluation, and inference
  • Adapting and fine-tuning models with modern techniques: LoRA, QLoRA, SFT, DPO, distillation
  • Architecting inference systems that hold up under real latency and cost constraints
  • Creating data pipelines that produce high-quality synthetic and real-world training data
  • Running evaluation that goes beyond benchmarks: robustness, safety, bias, production behaviour
  • Owning deployment: GPU optimisation, quantisation, memory efficiency, scaling
  • Working directly with application engineers so ML integrates cleanly into backend, mobile, and desktop


  • Your skills and experienceDeep understanding of deep learning and transformer architectures
  • Proven experience training, fine-tuning, or shipping large-scale models in production
  • Strong with at least one major ML framework (PyTorch, JAX) and quick to pick up others
  • Familiar with distributed training and inference tooling: DeepSpeed, FSDP, Megatron, ZeRO, Ray
  • Engineering discipline: code that's readable, robust, and maintainable
  • Experience optimising for GPU constraints: quantisation, mixed precision, memory
  • Comfortable taking ownership of ambiguous problems from zero to one
  • Ships, iterates, learns from production
  • Nice to haveLLM inference frameworks: vLLM, TensorRT-LLM, FasterTransformer
  • RLHF: PPO, DPO, ORPO
  • Open-source contributions to ML or systems libraries
  • Scientific computing, compiler, or GPU kernel experience
  • Multimodal or diffusion model background
  • Large-scale data processing: Arrow, Spark, Ray


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Responsibilities
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