Data Architect for Scalable Back-End Systems

1 day ago

Dublin, Dublin City, Ireland beBeeBackend Full time €80,000 - €120,000

Job Description:

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This role involves designing and developing modern, scalable back-end systems that power data-driven applications. The successful candidate will have a strong background in software engineering, with experience in building robust APIs, data pipelines, and cloud infrastructure.

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Main Responsibilities:

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  • Design and develop RESTful APIs using modern Python frameworks such as FastAPI">
  • Build and optimize performant data pipelines using Polars, Python, and AWS services">
  • Collaborate closely with front-end teams and product stakeholders to deliver seamless features">
  • Implement API-first architecture practices with careful attention to schema design, versioning, and documentation">
  • Work across the AWS stack, deploying scalable services that power mission-critical experiences for enterprise users">
  • Contribute to system design decisions, database modeling, and service orchestration to ensure resilient, maintainable back-end systems">
  • Monitor and tune application performance, from query speeds to service latency and throughput">
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Required Skills and Qualifications:

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The ideal candidate will have:

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  • Few years of professional software engineering experience, ideally in B2B or data product environments">
  • Deep experience with Python, including libraries like Polars, PySpark, and frameworks such as FastAPI or Fastify">
  • Experience working on data-heavy platforms or with AI/ML outputs exposed via APIs">
  • Proficient in designing, building, and scaling RESTful APIs (GraphQL experience is a bonus)">
  • Strong knowledge of cloud infrastructure, especially the AWS stack (Lambda, ECS, S3, CloudWatch, etc.)">
  • Solid understanding of data performance trade-offs—e.g., query optimization, memory use, parallelism">
  • Familiarity with modern CI/CD pipelines, containerization (Docker), and IaC tools like Terraform">
  • Strong collaboration skills—able to partner with front-end teams and product stakeholders to ship well-integrated features">
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Benefits:

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Aon offers a comprehensive benefits package, including two Global Wellbeing Days per year, allowing employees to focus on their wellbeing and work-life balance.

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Others:

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Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves.

"],

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