Spartan

Applied AI Engineer

Spartan

full-time

Posted on:

Location Type: Hybrid

Location: Da Nang • 🇻🇳 Vietnam

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Job Level

Junior

Tech Stack

AWSAzureDynamoDBElasticSearchGoogle Cloud PlatformGrafanaJenkinsKafkaKubernetesMongoDBPostgresPrometheusPulsarRedisTerraform

About the role

  • Design clear prompt templates and role scaffolds (System/User/Assistant), prefer structured outputs (JSON/schema)
  • Implement context & memory: windowing/summarization, retrieval-backed long-term memory, tenant/privacy scoping
  • Build RAG pipelines: chunk/clean docs, embed into vector stores, run hybrid retrieval (BM25 + dense), return answers with citations
  • Produce grounded answers: favor evidence, cite sources, and abstain when unsure
  • Implement agent loops and tool use: Plan → Act → Observe → Iterate; call APIs/DBs via typed tool contracts
  • Ship production AI/search/backend features end-to-end for startup partners; launch MVPs and scale systems
  • Collaborate closely with founders and engineers on product and technical decisions

Requirements

  • Fluent in English — you’ll talk directly with US startup founders
  • 1+ years building production features (AI, search, or backend)
  • Language-agnostic (any programming language)
  • Solid grasp of LLM fundamentals: chat vs completion, roles, tokens/context, structured prompts
  • Hands-on with vector retrieval concepts (BM25, embeddings, HNSW/IVF)
  • Basic grounding practices: citations and abstention
  • Comfortable integrating external/internal tools via function-calling or typed contracts
  • Strong CS fundamentals and a builder’s mindset — own problems end-to-end
  • Nice to have: multi-agent patterns, safety/PII pipelines, streaming UX (SSE/WebSocket), multimodal
  • Familiarity with tech listed (OpenAI, Anthropic, Google, Mistral, Llama, LangChain, LlamaIndex, Postgres/pgvector, Pinecone, Weaviate, Qdrant, Redis, Elasticsearch/BM25, Postgres, MongoDB, DynamoDB, Kafka, Pulsar, SQS, AWS, GCP, Azure, Kubernetes, Terraform, GitHub Actions, Jenkins, DataDog, Prometheus, Grafana, ELK)
Benefits
  • Competitive salary
  • Unlimited PTO + public holidays
  • Premium healthcare insurance
  • Sports coverage (Strava integration)
  • Hybrid working style
  • Annual company trip
  • Monthly team parties

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
production featuresAIsearchbackendLLM fundamentalsvector retrievalBM25embeddingsfunction-callingmulti-agent patterns
Soft skills
builder's mindsetcollaborationcommunicationproblem ownership