Lexsi Labs is a frontier AI lab building aligned, interpretable, and secure superintelligent systems. Our work spans alignment methods, interpretability-led system design, and foundational model research across LLMs, agents, and tabular / structured-data models.
A core part of our work is turning advanced AI research into production systems. That means taking internally developed libraries and model workflows, such as AlignTune, TabTune, and DLBacktrace, and integrating them into scalable platform infrastructure that supports training, inference, evaluation, observability, and enterprise deployment.
The Role
We are hiring a Senior AI Platform Engineer to build the platform layer that operationalizes Lexsi’s core AI systems.
This role is centered on R&D-to-platform; rollout: taking technically sophisticated model systems and making them usable, reliable, and scalable inside the product stack. You will work across model pipelines, training systems, inference infrastructure, distributed execution, and backend platform architecture.
This is not a thin integration role.



It requires robust engineering depth and enough model understanding to work effectively with systems involving fine-tuning, RL, alignment, interpretability, agent execution, and inference optimization across LLMs, agents, and tabular foundation models.
Responsibilities
Own the platformization of Lexsi’s internal AI libraries, turning research-heavy systems into robust platform capabilities with reliable APIs, execution layers, observability, and deployment paths.
Build and scale training and post-training infrastructure for workflows including SFT, RL, evaluation, model adaptation, and agent optimization.
Design the integration layer between research systems and product infrastructure, including job orchestration, artifact management, dataset versioning, experiment lineage, and runtime control surfaces.
Build inference systems that can support complex model behaviors under production constraints, including lat

📌 Senior Ai Platform Engineer Bengaluru (India)
🏢 Lexsi Labs
📍 India