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Backend Engineer (Python)

Descrição do Emprego - Backend Engineer (Python)

Job Title: Backend Engineer (Python)  

Location: Portugal

Work Regime: Full -time & Remote (must reside in Portugal)

Overview / Summary:

We are seeking a Python Backend Engineer to join a high -impact AI -focused project. The role involves building and scaling production -grade backend services, with a strong emphasis on cloud -native architectures and AI platform integrations. The project will be delivered by a team of six engineers working collaboratively to design, implement, and optimise robust backend solutions.

Responsibilities and Tasks:
  • Design, develop, and maintain backend services using Python for production environments
  • Design, develop, and maintain backend services using Python for production environments
  • Develop and deploy cloud -native solutions using AWS services such as Lambda, EC2, and S3
  • Integrate AI and foundation model services using platforms such as AWS Bedrock, Google Vertex, or Microsoft AI Foundry
  • Analyse and optimise application performance through profiling, debugging, and refactoring
  • Collaborate closely with other engineers and stakeholders to deliver scalable and reliable solutions
  • Contribute to architectural decisions, code quality standards, and best practices across the team

Requirements

Mandatory Requirements:
  • +5 years of experience in Backend Development with Python and experience building and operating production applications
  • Experience with AWS services, including Lambda, EC2, S3, and their APIs
  • Proven expertise in designing, building, and consuming GraphQL APIs
  • Strong background in performance optimisation using Python profiling, debugging, and refactoring tools
  • Experience with AI platform APIs (AWS Bedrock, Google Vertex, Microsoft AI Foundry, or similar)
  • Knowledge of prompt engineering and experience with frameworks such as LangChain, LlamaIndex, Haystack, or other RAG solutions is a plus


Benefits

Important:
  • Our company does not sponsor work visas or work
    permits. All applicants must have the legal right to work
    in the country where the position is based.
  • Only candidates who meet the
    required qualifications and match the profile requested by
    our clients will be contacted.


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