Fluxon

Senior Software Engineer

Fluxon

full-time

Posted on:

Location Type: Remote

Location: Poland

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Job Level

Senior

Tech Stack

AWSAzureCloudDockerGoogle Cloud PlatformJavaJavaScriptKubernetesNoSQLPythonScalaSQL

About the role

  • As an AI Engineer at Fluxon, you’ll take the lead in designing, building and deploying AI-powered applications for our clients.
  • Design and implement end-to-end AI systems and their parts, including data ingestion, preprocessing, model inference, and output structuring
  • Build and optimize RAG (Retrieval-Augmented Generation) systems and Agentic workflows using frameworks like LangChain, LangGraph, ADK (Agent Development Kit), Genkit
  • Deploy models to production environments (AWS/GCP/Azure) using Docker and Kubernetes, ensuring high availability and scalability
  • Implement feedback loops to evaluate model performance (accuracy, hallucinations, relevance) and set up monitoring for drift in production
  • Work closely with other engineers to integrate AI endpoints into the core product and with product managers to define AI capabilities
  • Fine-tune open-source models (e.g., Llama, Mistral) for specific domain tasks and optimize them for latency and cost

Requirements

  • 5+ years of industry experience in software engineering roles
  • Strong proficiency in Python or any preferred AI programming language such as Scala, Javascript and Java
  • Strong understanding of Transformer architectures, embeddings, and vector similarity search
  • Experience integrating with LLM provider APIs (OpenAI, Anthropic, Google Vertex AI)
  • Hands-on experience with agent workflows like LangChain, LangGraph
  • Experience with Vector Databases and traditional SQL / NoSQL databases
  • Familiarity with cloud platforms, preferably GCP or AWS
  • Understanding of patterns like RAG (Retrieval-Augmented Generation), few-shot prompting, and Fine-Tuning
  • Solid understanding of software development practices including version control (Git) and CI/CD
Benefits
  • Exposure to high-profile SV startups and enterprise companies
  • Competitive salary
  • Fully remote work with flexible hours
  • Flexible paid time off
  • Profit-sharing program
  • Healthcare
  • Parental leave, including adoption and fostering
  • Gym membership and tuition reimbursement
  • Hands-on career development

Applicant Tracking System Keywords

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

Hard skills
PythonScalaJavaScriptJavaTransformer architecturesembeddingsvector similarity searchfine-tuningversion controlCI/CD