Senior Software Engineer

About VinSmart FutureVinSmart Future (VSF) is the leading technology company within the Vingroup Corporation, formed by the merger of the group's entire technology ecosystem, including VinApp, VinIT, VinBigdata, and other tech units. As a core driver of Vingroup's future growth, VSF is at the forefront of technological development, with artificial intelligence (AI) as its foundation. With a talented team of nearly 4,000 local and international technology experts, VSF focuses on creating high-utility technologies that enhance lives and connect data, models, and infrastructure to unlock new possibilities..Work Location: Hanoi: TechnoPark Tower, Vinhomes Ocean ParkJob overview:Build and operate scalable backend and AI platforms, with Python as the primary language. The role owns production Retrieval-Augmented Generation (RAG) and agentic capabilities across APIs, data, infrastructure and user-facing workflows, while welcoming strong engineers with relevant experience in Go, Java, Node.js or other modern technology stacks.

Key Responsibilities

·Build scalable platforms: Develop and maintain backend and AI-platform services, primarily in Python; use Go, Java, Node.js or other suitable technologies when they improve performance or reliability.·Own production RAG pipelines: Deliver document ingestion and processing, chunking, embeddings, vector/hybrid search, retrieval and reranking, context management, prompt optimization and quality evaluation.·Develop agentic AI capabilities: Build multi-agent orchestration, MCP, A2A, tool integration, state/task coordination, and integrations with LLM providers such as OpenAI and Anthropic.·Design end-to-end services: Create REST/GraphQL APIs, microservices and event-driven workflows; integrate SQL, NoSQL, vector databases and third-party services.·Optimize scale and performance: Improve concurrency, asynchronous processing, caching, Kafka-based messaging, observability and large-scale data processing.·Ship production-ready systems: Apply automated testing, code review, documentation, security practices, CI/CD, Docker/Kubernetes, cloud and infrastructure as code.·Collaborate and lead: Partner with AI/ML, Product, Design and Frontend teams; mentor engineers and evaluate emerging AI technologies.

Requirements

·Experience and education: Bachelor's degree in Computer Science, Software Engineering or a related field, with 5+ years of backend or full-stack software development experience.·Python first, broader stack welcome: Strong production Python and clean-code skills; experience with one or more of Go, Java, Node.js or comparable backend languages; sound knowledge of concurrency, threading and event loops.·Backend architecture: Hands-on experience with FastAPI, Flask or equivalent frameworks; REST/GraphQL, microservices, event-driven architecture, system design, SOLID principles and design patterns.·RAG, LLMs and agentic systems: Hands-on delivery of RAG/LLM systems covering document processing, embeddings, semantic/vector/hybrid search, retrieval, context and prompt engineering, LLM-provider integration, multi-agent orchestration and MCP/A2A; experience with LangChain, LlamaIndex, AutoGen or CrewAI is valued, and 2+ years in AI platforms, RAG or agents is preferred.·Data and messaging: PostgreSQL/MySQL, Redis/MongoDB, vector stores such as Qdrant, Pinecone, Weaviate or Milvus, plus Kafka and asynchronous processing.·Delivery and cloud: Git, Docker, Kubernetes and CI/CD; AWS/GCP/Azure and Terraform/CloudFormation experience are preferred.·Quality and collaboration: Unit/integration/edge-case testing, OWASP, rate limiting, logging, token management, monitoring/observability, debugging and performance optimization; strong communication and mentoring. React or Vue.js experience is a plus.Why You’ll Love Working Here: · Flexible working hours and Work from Home on working Saturdays.· Competitive compensation, bonus packages and Vingroup ecosystem benefits.· Large-scale strategic projects with leading local and international experts.· Free access to Udemy, Coursera and O'Reilly; internal workshops, certification sponsorship and mentoring.· Full statutory and private healthcare insurance, plus annual health check-ups.· Internal activities, team-building programs and annual company events. 📩 Apply via: Zalo/Call: 0342298113 – Ms NhưMail: v.nhuhln@vinsmartfuture.tech For more information, please contact the Talent Acquisition Department – VinSmartFuture.