Oxylabs
Oxylabs17h ago
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Software Engineer (AI Products)

LithuaniaLithuania·VilniusFull Timemid
Software EngineerSoftware Engineering
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Quick Summary

Overview

We’re a team of 500+ professionals who develop cutting-edge proxy and web data scraping solutions for thousands of the world’s best known businesses, including Fortune 500 companies.

Technical Tools
Software EngineerSoftware Engineering
We’re a team of 500+ professionals who develop cutting-edge proxy and web data scraping solutions for thousands of the world’s best known businesses, including Fortune 500 companies. 

What’s in store for you:
You’ll be solving complex challenges and maintaining our own infrastructure with 60PB+ monthly data traffic. Here are its scale and maturity in numbers:

- 6PB+ Ceph storage
- 60PB+ monthly data traffic through our systems
- 300k+ service requests/sec processed
- 500k+ Kafka messages/sec streamed

The team waiting for you:

We’re building the AI layer on top of one of the world’s largest B2B data platforms. Our product lets users ask questions in plain language and get data-driven answers from millions of company and professional records. Think of it as giving our dataset a brain.

 

We’re forming a dedicated squad to take this from promising product to industry-leading platform. If you’re a Python developer who’s been itching to go deep on LLMs, RAG, and agentic AI — not just toy projects, but production systems at scale — this is your chance. You’ll work alongside experienced Staff Engineers, ship to real customers, and help define how AI reshapes B2B data intelligence. We have a seat ready for you!

  • Design, develop, and maintain Python backend services powering our AI products.
  • Build and optimize LLM-powered pipelines — RAG, semantic search, natural language query processing.
  • Develop agent workflows and tool-use patterns for the AI Data Assistant.
  • Integrate with large-scale data infrastructure — vector databases, search engines, and analytical query engines.
  • Design and implement API endpoints to serve AI-generated insights to client-facing products.
  • Optimize prompt engineering, LLM output quality, and system reliability.
  • Collaborate with cross-functional teams (Data Engineering, API, Client Side) to deliver product features.
  • Monitor and improve performance, latency, and cost efficiency of AI services.
  • Contribute to evaluation frameworks and testing strategies for AI-powered features.
  • Share knowledge and help build the team’s collective expertise in applied AI.
  • 2+ years of professional backend development experience.
  • Experience building and deploying production-grade APIs.
  • Familiarity with LLM APIs (OpenAI, Anthropic, or similar) — professional or personal projects.
  • Understanding of retrieval-augmented generation (RAG) patterns or strong willingness to learn.
  • Experience working with databases — relational (PostgreSQL/MySQL) and/or search engines (Elasticsearch).
  • Experience with Docker and containerized environments.
  • Strong problem-solving skills and genuine curiosity about AI technologies.
  • Ability to work with ambiguity and evolving requirements in a fast-moving product space.
  • Experience with vector databases (Qdrant, Pinecone, Weaviate).
  • Experience with LLM orchestration frameworks (LangChain, LlamaIndex).
  • Experience with agent/tool-use patterns and agentic programming.
  • Data engineering background — Kafka, Spark, Trino, dbt, or similar.
  • Experience with prompt engineering and LLM evaluation.
  • Experience with Kubernetes.
  • Familiarity with observability tools (Grafana, Sentry, OTel).
  • Understanding of NLP concepts (embeddings, semantic similarity, tokenization).
    • Up for the challenge? Let’s talk!

    Location & Eligibility

    Where is the job
    Vilnius, Lithuania
    Hybrid — some on-site time required
    Who can apply
    LT

    Listing Details

    Posted
    June 22, 2026
    First seen
    June 22, 2026
    Last seen
    June 23, 2026

    Posting Health

    Days active
    0
    Repost count
    1
    Trust Level
    63%
    Scored at
    June 22, 2026

    Signal breakdown

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    Oxylabs
    Oxylabs
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    Oxylabs is a premier web data gathering company, offering extensive proxy solutions for accurate and efficient data extraction.

    Employees
    350
    Founded
    2015
    Domain
    oxylabs.io
    Jobs
    View 43 jobs
    View company profile

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    OxylabsSoftware Engineer (AI Products)
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