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Senior Back-End Python Developer Or Architect - Aws Event Driven - Serverless H/F - 75
Description du poste
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Luxit
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Paris - 75
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Freelance
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Publié le 8 Septembre 2025
We are looking for our client on a permanent or freelance contract a Senior Back-end Python Developer or Architect / AWS Event Driven / Serverless H/F.
THE OPPORTUNITY
Contributing to a product called the Property Intelligence. Property Intelligence is THEproduct helping our customers to better understand, assess and predict the different
risks they are exposed to (such as natural-catastrophes, climate change or geopolitical
crisis) and ultimately take actions on. We are looking for an experienced Python
Backend Engineer to help us build and deliver this game changer product. Are you ready
to join an amazing team?
WHAT YOU WILL BE DOING
We are looking for a highly motivated Back End engineer who will work closely to the
Product.
Key responsibilities:
- Write reusable, testable, and efficient code that implement the functional
requirements for the Property Intelligence project,
- Build API and backend feature in event-driven design and hexagonal architecture
in AWS, satisfying the requirements in terms of security, scalability,
performances, and reliability,
- Implement code tests,
- Contribute to the infrastructure with code templates for all developed features,
- Contribute to technical decisions and direction in a collaborative team
environment, including architecture, estimation, product planning, user
story/requirement creation,
- Suggest and implement improvements to the application,
- Produce and maintain technical documentation.
Our Tech stack:
Our tech stack includes modern cloud technologies and services, all crucial for building
Property Intelligence product.
- Single Page applications based on React for the frontend
- AWS Serverless and Event Driven technologies (Lambda, Step Function,
DynamoDB, S3, SQS, EventBridge, ...)
- Terraform to manage IaC and CodePipeline for the deployments of infrastructure
and applications
- MongoDB to store application's data
SKILLS REQUIRED:
- 5+ years of backend python and API development
- 3+ years of experience working on applications deployed on AWS environment
- Experience working with serverless technology / Microservices architecture
- Experience working with AWS Lambda
- Clear understanding of asynchronous code and communication
- Experience in implementing features based on asynchronous tasks/messaging
- Experience with Terraform and IaC (Infra-as-code)
- Knowledge of OAuth2 and OpenID
- Knowledge of the OpenAPI standard
BONUS POINTS FOR THE FOLLOWING:
- Experience working with Queues / Messaging, SQS
- Experience working with Batch / ETLs
- Experience working with MongoDB
- Experience working with Postgres and DynamoDB
- Hands on experience with REST frameworks like Flask or FastAPI
Experience in geospatial projects
SOFT SKILLS:
- Fluent English oral and written communication,
- Autonomous and proactive,
- Team player with strong interpersonal skills,
- Work in an asynchronous environment with a distributed team.
WHAT YOU BRING TO THE TABLE:
- Experience: 5 years of experience of backend Python and API development.
- Passion and purpose: excitement for our mission (i.e building next generation of risk
management solution) and the ability to connect with other developers, designers and
product managers.
Internal
- Adaptability: willingness to dive into natural catastrophes, environmental topics and
insurance, learn quickly, and apply new knowledge to build innovative solutions.
ADDITIONAL INFO
- This is a contractual position, reporting to Property Intelligent Tech lead
- The team is distributed, and this position is open to remote work. We also have offices
available globally. Many of the team are based out of the Paris & Barcelona offices
- Some travel required, for collaboration at other offices (2-3 times a year)

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