Fullstack Engineer (SDE-1)

**Fullstack Engineer (SDE-1)** **Team** : Engineering **Location** : Remote **Employment Type** : Full-Time **Experience** : 1+ Years (Internship/Freelance/Full-Time Considered) **About Us** Abstrabit is a private AI company based in Bengaluru. We help businesses run AI entirely on their own infrastructure: self-hosted LLMs, secure enterprise RAG, fine-tuned models, and AI agents that never send data outside the network. We serve clients across the US, UK, and EU, and our work spans the full private AI stack, from GPU infrastructure to production agents **About the Role** We are hiring a Fullstack Engineer (SDE-1) to to build scalable, AI-native products across frontend, backend, and cloud. You will own features end-to-end, contribute to technical decisions, and work closely with product and leadership teams. **What You’ll Do** * Build scalable applications using React, Next.js, Node.js, and TypeScript. * Own features from architecture and development to deployment and optimization. * Design secure APIs, backend services, authentication, and database structures. * Integrate LLMs and Generative AI into production applications. * Build RAG pipelines involving ingestion, chunking, embeddings, retrieval, reranking, and grounded responses. * Develop AI Agents for multi-step task execution, tool usage, memory, and workflow automation. * Work with LLM Ops, including model serving, deployment, GPU utilization, quantization, and inference optimization. * Contribute to LLM fine-tuning, training data preparation, evaluation, and domain-specific model adaptation. * Work with vector databases, cloud infrastructure, CI/CD, monitoring, and production systems. * Debug, test, optimize, review code, and resolve production issues. * Collaborate with product, design, and engineering teams to deliver reliable solutions. **What We’re Looking For** * Bachelor’s or master’s degree in computer science or related fields. * 1+ years of fullstack development experience. * Strong knowledge of JavaScript, TypeScript, React, Next.js, and Node.js. * Experience with APIs, databases, authentication, and cloud platforms. * Familiarity with Git and collaborative development workflows. * Exposure to Generative AI, LLM APIs, or vector databases preferred. * Strong debugging, problem-solving, and optimization skills. * Comfortable working in fast-paced startup environments. * Good communication and cross-functional collaboration skills. * Ownership mindset with strong learning agility and initiative.