Member of Engineering (Post-training)

Poolside
United Kingdom, United States
Workplace: RemoteFull timeFunction: Education & TrainingSkills: ["Problem-solving","Communication","Collaboration","Critical thinking","Attention to detail"]

Join the Applied Research team to turn pre-trained LLMs into well-aligned, high-performing AI systems for coding and software development. This hands-on role involves building data and training pipelines, researching post-training algorithms, designing experiments, and writing pragmatic, production-ready code while collaborating with a remote-first team across Europe and North America.

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FursaFursa
Poolside
Poolside
4 months ago

Member of Engineering (Post-training)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 9 hours agoStatus: Live

Job Summary

Join the Applied Research team to turn pre-trained LLMs into well-aligned, high-performing AI systems for coding and software development. This hands-on role involves building data and training pipelines, researching post-training algorithms, designing experiments, and writing pragmatic, production-ready code while collaborating with a remote-first team across Europe and North America.
Location: United Kingdom, United States
Workplace: Remote
Employment Type: Full time
Job Function: Education & Training
Seniority: Entry level

Key Responsibilities

  • •Research and experiment on ways to specialize foundational models to agentic use cases
  • •Build and maintain data and training pipelines
  • •Keep up with latest research, and be familiar with state of the art in LLMs, alignment, synthetic data generation, code generation
  • •Design, analyze, and iterate on training/fine-tuning/data generation experiments
  • •Write high-quality, pragmatic code
  • •Work as part of a team: plan future steps, discuss, and communicate clearly with your peers

Pay and Benefits

Perks:Remote WorkHealth InsuranceHome OfficePaid Leave

Key Requirements

  • •Experience with Large Language Models (LLM)
  • •Deep knowledge of Transformers
  • •Strong deep learning fundamentals
  • •Post-training experience with LLMs
  • •Python with PyTorch or Jax
Experience:AIMLResearch
Skills:Problem-solvingCommunicationCollaborationCritical thinkingAttention to detail
Tech Stack:PythonPyTorchJaxLinuxTransformersDistributed training

Company Brief

Poolside
Builds foundation models, coding agents, and enterprise systems to automate and accelerate software development; offers on-prem/VPC deployments, developer tooling, and forward-deployed engineering for high‑security environments.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2023
WebsiteLinkedIn