Senior Developer - Greyfinders Vietnam

Date Posted: May 13, 2026
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Job Detail

  • Location:
    Ho Chi Minh
  • Company:
  • Type:
    Full Time (Toàn thời gian)
  • Career Level:
    Senior Professional (4+ years)
  • Positions:
    3
  • Experience:
    5 - 8 years
  • Gender:
    Both
  • Degree:
    Bachelors (Cử nhân/Kỹ sư)
  • Apply Before:
    Mar 10, 2027

Job Description

Job Requirement

Core Engineering

  • 5–8 years of software engineering experience, with at least 2+ years focused on AI tool integration and LLM-powered application development. (Must have)
  • Proficiency in TypeScript/JavaScript and .NET. (Must have)
  • Solid experience with Azure cloud services (App Service, Functions, Key Vault) and modern CI/CD on Azure DevOps or GitHub Actions. (Must have)

AI & LLM Expertise

  • Hands-on expertise with OpenAI or Azure OpenAI Service — embeddings, streaming, function calling, and system prompt design. (Must have)
  • Proven experience building AI-powered chatbots or conversational applications using RAG, semantic search, or agent-based architectures. (Must have)
  • Deep proficiency in prompt engineering: few-shot prompting, chain-of- thought, structured output, and evaluation techniques. (Must have)

AI Frameworks & Orchestration
  • Hands-on experience with AI orchestration frameworks such as Microsoft
  • Semantic Kernel, AutoGen, LangChain, LangGraph, or equivalent for building agent workflows and multi-step AI pipelines. (Must have)
  • Proven experience with Azure AI Foundry or equivalent platforms (e.g., AWS Bedrock, Google Vertex AI) — model catalog, prompt flows, and evaluation pipelines; expected to build proficiency in Azure AI Foundry within 2 months. (Must have)

Developer Tooling
  • Practical experience with AI coding assistants (e.g., GitHub Copilot, Claude
  • Code, Cursor, OpenCode, or similar) and driving team-wide adoption. (Must have)

Communication

  • English level: Advanced or Fluent, able to communicate effectively with international stakeholders. (Must have)

Nice-to-Have
  • Experience with AI observability and evaluation tools such as LangSmith or Azure AI Foundry Evaluation.
  • Background in developer tooling, platform engineering, or DevOps on Azure.

Benefits

  • Flexible working hours from Monday to Friday (40 hours per week).
  • Entertaining area with E-sports, Soccer table and a pantry of free supplies & beverage.
  • Extra free lunch/snacks/fruits every day.
  • Free English class every week.
  • Technical Training supporting packages.
  • An international working environment with an open-minded culture, friendly colleagues and supportive team leaders.
  • English speaking environment

Company Overview

Ho Chi Minh

Established in 2009, Greyfinders has been providing services to hundreds of local & multinational companies. We focus on HR services with a special concept that assists clients not simply searching ''best fit talent'' but more strategically "enga... Read More

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Pearl Plaza, 561A Điện Biên Phủ, Quận Bình Thạnh, thành phố Hồ Chí Minh, Việt Nam