AI/ML Research Engineer, LLM Post-Training – Evaluation

Job not on LinkedIn

🕒 July 27

🇺🇸 United States – Remote

💵 $80k - $175k / year

⏰ Full Time

🟢 Junior

🟡 Mid-level

🗣️ LLM Engineer

👻 Ghost score 34%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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InnoData

WebsiteLinkedInAll Job Openings

2 - 10 employees

Founded 2019

🤝 B2B

💼 Consulting

🌍 Social Impact

B2B • Consulting • Social Impact

InnoData is INNOvation DATA SCS, an Italian social cooperative based in Foggia that identifies itself as a provider of technological solutions. The company website (currently under maintenance) highlights "Soluzioni tecnologiche" (technological solutions) and emphasizes social impact ("Impatto sociale"). Contact details listed include Via Francesco Crispi 65, 71121 Foggia, Italy. Based on the available information, InnoData appears to operate at the intersection of technology and social impact, likely offering tech-focused services to other organizations.

📋 Description

• design and implement the pipelines and tooling that connect data, evaluation, and post-training • help customers and internal teams move from evaluation findings to measurable model improvements • build fine-tuning workflows (e.g., supervised fine-tuning and preference-based optimization) • integrate evaluation harnesses into model development loops • improve experiment reliability and throughput • support advanced evaluation scenarios such as long-context, cross-modal, and dynamic multi-turn interactions • contribute to Innodata’s internal R&D efforts, including benchmark datasets, evaluation frameworks, and reusable infrastructure for model assessment and post-training experimentation. • Lead or co-lead technically complex ML engineering projects from initial customer discussions through implementation and delivery • Design, build, and improve LLM training and post-training pipelines, including data ingestion, preprocessing, fine-tuning, evaluation, and experiment tracking • Implement and optimize evaluation systems for LLMs and multimodal models, including offline benchmarks and task-specific test harnesses • Integrate human-in-the-loop and AI-augmented evaluation signals into model development workflows • Build robust infrastructure and tooling for reproducible experimentation, metrics logging, and regression monitoring • Diagnose model behavior and pipeline failures, including data issues, training instability, metric inconsistencies, and evaluation drift • Collaborate with Language Data Scientists and Applied Research Scientists to translate evaluation frameworks into executable systems • Work closely with customer technical stakeholders to understand goals, constraints, and success criteria; propose and implement technically sound solutions • Contribute to internal research and platform development, including benchmark frameworks, evaluation tooling, and post-training workflow improvements • Contribute to best practices and standards for LLM training, evaluation, and quality assurance across projects • Mentor junior engineers and contribute to technical design reviews, documentation, and engineering rigor across the team.

🎯 Requirements

• BS/MS/PhD in Computer Science, Machine Learning, AI, Applied Mathematics, or a related quantitative technical field (MS/PhD preferred) • 2-3 years of relevant industry or research engineering experience in ML/AI systems • Hands-on experience with LLM training / fine-tuning / post-training, including at least one of: • supervised fine-tuning (SFT) • preference optimization (e.g., DPO or related methods) • RLHF / RLAIF-style workflows • task- or domain-adaptation of foundation models • Strong programming skills in Python and experience building production-quality ML code • Experience with modern ML frameworks (e.g., PyTorch, JAX, TensorFlow) and model libraries/tooling (e.g., Hugging Face ecosystem, vLLM, distributed training stacks) • Experience designing and implementing evaluation pipelines for LLM/ML systems, including metrics computation, dataset handling, and experiment comparisons • Strong understanding of data pipelines and ML systems engineering, including reproducibility, observability, and debugging • Experience with large-scale distributed ML systems and performance optimization for training/evaluation workloads (GPU/accelerator environments preferred) • Experience with large-scale data processing and workflow orchestration in support of model training/evaluation • Ability to collaborate directly with technical stakeholders including research scientists, ML engineers, data engineers, and customer technical leads • Strong written and verbal communication skills, including the ability to explain complex technical tradeoffs to both technical and non-technical audiences.