Software Engineer developing and maintaining IoT gateway solutions at a dynamic startup expanding in Japan. Collaborating on system design and addressing complex issues.
About the role
- Software Engineer creating and maintaining AI shopping assistant systems at Skroutz. Collaborating with various teams to enhance the marketplace experience through AI.
Responsibilities
- Design, develop, and maintain production AI systems including our conversational search agent and support assistant
- Build and optimize LLM-powered workflows using LangChain and LangGraph for multi-agent orchestration
- Implement semantic search capabilities and multi-source data fusion to provide accurate, contextual responses
- Develop and maintain APIs and services using FastAPI that integrate AI capabilities into our marketplace
- Integrate AI features into our main Ruby on Rails application, ensuring seamless user experiences
- Work with state-of-the-art LLM technologies and contribute to architectural decisions about our AI infrastructure
- Collaborate with data scientists, backend engineers, and product teams to deliver AI features that amaze our users
- Build robust evaluation frameworks and monitoring systems to ensure quality and reliability of AI systems
- Optimize system performance, latency, and cost efficiency of LLM-based applications
- Stay current with the rapidly evolving AI/LLM ecosystem and bring innovative solutions to the team
Requirements
- 3+ years of working experience as a Software Engineer in a professional setting
- Strong programming skills in Python or similar object-oriented language with experience building production systems
- Solid understanding of web architecture and RESTful API design
- Experience with databases (relational and/or document-based)
- Solid algorithmic and software engineering background
- Intrigued by the product as much as by the technology
- Excellent analytical and problem-solving skills
- Excellent communication skills and team spirit
- Passion for AI and eagerness to work with LLM technologies
- **We will appreciate if you have**
- Experience with LangChain, LangGraph, or similar LLM orchestration frameworks
- Familiarity with FastAPI or similar modern Python web frameworks
- Good knowledge of Ruby/Ruby on Rails - our main backend stack
- Experience with OpenAI API or other LLM providers
- Knowledge of Elasticsearch or other search technologies
- Understanding of prompt engineering and LLM best practices
- Experience with observability tools and LLM tracing systems
- Comfort with TDD and testing practices (pytest, unit testing)
- Experience deploying ML/AI systems to production
- Contributed to open-source projects in the AI/ML space
- Shareable open source contributions or personal projects which will help us in the evaluation process
Benefits
- A great opportunity to contribute to the evolution of Skroutz towards becoming one of Europe’s fastest growing Marketplaces
- Thrive in an environment that champions ambitious goals, empowers autonomy, fosters mentoring, and unlocks exciting opportunities for both personal and business growth
- Competitive full-time salary
- Ongoing training and development
- Access to books, online courses, and relevant resources
- Top of the Line tools and equipment
- Private Medical Plan
- Hybrid Working
- Free gym membership at Golden Gym in Athens, plus OAKA cross training & running courses, Padel and online yoga
- For all New Skroutz Fathers we offer 30 working days paternity leave (1,5 months in total)
- Monthly childcare allowance for all Skroutz Parents
- When at the office, we offer free food catering (breakfast & lunch)
- Free Skroutz Plus subscription
Job title
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