Tech Lead/Architect- Python

Athens, Greece Until 8/21/2026 First posted April 11, 2025 Last posted September 17, 2025
Job description

Aisera is a leading provider of AI Copilot solutions, utilizing AiseraGPT and Generative AI to facilitate business transformation and drive revenue growth through a self-service model. Aisera’s AI Copilot uses industry and domain-specific LLMs to deliver human-like experiencs and auto- remediate requests through AI workflows. With 400+ integrations and 1200+ prebuilt workflows, customers achieve 75%+ automation and 90% cost reduction. Aisera has received numerous recognitions, including Leader in the 2024 Gartner Magic Quadrant™ for Artificial Intelligence Applications in ITSM, FastCompany Best Workplaces for Innovators, Inc 5000 Award for Fastest Growth, Forbes AI50, EY Entrepreneur of the Year 2023, CNBC Upstart 100 Top Startup, Gartner Cool Vendor, Red Herring Top 100 Global Innovator, CIO Innovation Startup Award, CIO Review Top ITSM Solution, and Silicon Review 50 Most Admired Companies.

The Role
Take this opportunity to lead the design and development of advanced AI systems including intelligent agents, conversational interfaces, and retrieval-augmented generation (RAG) architectures and systems. Drive technical strategy and implementation for next-generation AI products.

Responsibilities

  • Architect and build scalable agentic AI systems capable of autonomous decision-making and task execution
  • Architect, design and optimize dialog agents with natural language understanding, context management, and multi-turn conversation capabilities
  • Develop and optimize robust search and retrieval systems for RAG implementations, including vector databases, embedding strategies, and knowledge integration
  • Take ownership of complex system design, from proof-of-concept to production deployment
  • Establish best practices for AI model integration, prompt engineering, and system reliability
  • Collaborate with product teams to translate business requirements into technical AI solutions
  • Develop and maintain scalable, efficient data pipelines that automate the ingestion, transformation, and storage of data
  • Identify performance bottlenecks and improve systems scalability.

Requirements

  • At least 7 years in senior software engineering roles, with 2+ years as tech lead or architect 
  • 2+ recent years professional work on AI or Search systems 
  • Expertise in vector search, embedding models, or RAG system optimization
  • Strong background in distributed systems, APIs, and cloud-native AI infrastructure
  • Experience with AI frameworks (LangChain, LlamaIndex, etc.), and vector databases or information retrieval systems (preferably Elastic)
  • Solid understanding of software development principles and architectural best practices.
  • Professional experience with messaging systems such as Kafka, RabbitMQ, or similar technologies.
  • Professional experience with cloud platforms such as AWS, GCP or Azure.
  • Proficiency in using Docker, Kubernetes, or similar containerization and orchestration tools.
  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

Preferred Qualifications (in order):

  • Ph.D. in distributed systems, AI systems, or related area
  • Familiarity with machine learning concepts and libraries (e.g., Pandas, NumPy, PyTorch).
  • Experience with LLM integration, prompt engineering, and AI orchestration frameworks. 

This is a Greece-based, full-time, employee-status, fully remote position.  

Aisera is Global and our success draws upon the diverse viewpoints, skills and experiences of our employees. We are proud to be an equal opportunity employer and are committed to equal employment opportunities regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or veteran status.

About this role

Summary

Lead design and development of advanced AI systems, including conversational agents and retrieval architectures.

Job title

Tech Lead/Architect- Python

Experience level

7+ years

Industry

artificial intelligence

Location requirements

fully remote in Greece, candidate must be based in Greece

Salary

Not specified

Management role

Yes

Skills & keywords

Required skills

PythonAI frameworksvector searchdistributed systemscloud platformsDockerKubernetes

Preferred skills

Ph.D.machine learningLLM integrationprompt engineeringAI orchestration

Specializations

AI systemssearch systemsdistributed systemscloud infrastructurevector databases
Locations

Structured locations inferred from the posting.

Greece

Remote Country