Senior AI Platform Engineer (TypeScript, LLMs & Data Systems)
Posted 1 day ago
About Us
Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.
Role overview
Our client is building AI-native products that transform unstructured information into reliable, structured, and actionable data. Their platform combines large language models, multimodal AI, retrieval systems, and evaluation frameworks to power data-intensive workflows and user-facing experiences.
We are looking for a hands-on Senior AI Platform Engineer with strong expertise in TypeScript, backend systems, LLM integrations, and data pipelines. This is a full-stack role with a clear backend focus, where you will design and build production-grade AI systems that leverage LLMs, vision models, retrieval workflows, and evaluation frameworks. The ideal candidate is comfortable owning projects end-to-end, from problem definition through deployment and operational excellence.
CONTRACT: Long-term contractor assignment
COMMITMENT: Full-time with minimum 4 hours overlap with New York working hours
LOCATION: Remote
PROCESS: Technical Interviews + Practical Evaluation
NOTES: Previous experience working in BigTech company (Amazon, Google, Meta, Apple, Microsoft, Netflix, …) is mandatory!
Responsibilities
- Design and build AI-powered backend services, APIs, and data pipelines
- Develop systems for LLM-powered extraction, classification, and structured reasoning
- Build workflows that ground AI outputs in trusted data and verifiable evidence
- Implement retrieval, context assembly, and answer-grounding systems
- Design and maintain evaluation datasets, scoring workflows, and regression testing frameworks
- Develop internal tools for reviewing and validating AI-generated outputs
- Build reliable production systems with strong observability, monitoring, and failure handling
- Collaborate on React-based interfaces for operational and reviewer workflows
- Optimize AI workflows for performance, cost, reliability, and scalability
- Work closely with product and engineering stakeholders to deliver production-ready solutions
Requirements
- 7+ years of professional software engineering experience
- Strong experience building backend services, APIs, and data pipelines
- Advanced proficiency in TypeScript and Node.js
- Production experience integrating LLMs, multimodal models, or AI APIs
- Experience building systems that use retrieval, structured context, or grounded AI outputs
- Experience creating evaluation frameworks, scoring systems, and regression checks for AI applications
- Working experience with React
- Experience with PostgreSQL and modern cloud deployment environments
Other open roles at Gramian Consulting Group(6)
Gramian Consulting is your partner for accessing the engineering capabilities you need—delivered in the model that fits your business, from staff augmentation and talent recruiting to Build-Operate-Transfer (BOT). We combine the perspective of a software engineer, the rigor of a technical recruiter, and the vision of a business builder, so you get experts who understand your challenges and deliver results the right way. This blend is our signature advantage in providing top-quality services, fast and reliably.
Key team members
Emmanuel Yawson
Pauline Perry
Emad Hassan
Aleksandra Šarac
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