Senior Software Engineer (Python) Job at Sabio Group (Utrecht)

Senior Software Engineer (Python)

Sabio Group

Location:
Netherlands , Utrecht

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are looking for a Senior Software Engineer (Python) to join our Software Engineering team within the AI Practice. This role will be instrumental in engineering, enhancing and supporting a real‑time voice application underpinned by Generative AI technologies. You will contribute across both project delivery and production support, including participation in an out‑of‑hours callout rota. The role focuses on building complex asynchronous systems using modern Python frameworks, integrating enterprise platforms, and ensuring reliable operation of a mission‑critical solution for a major financial services client. This role is customer‑facing and will include direct engagement with client technical teams, solution architects and delivery stakeholders.

Job Responsibility:

Design, build and maintain real‑time voice and AI‑enabled applications using Python and modern async frameworks
Develop and optimise backend microservices using FastAPI, Uvicorn, Asyncio, Pydantic and SQLAlchemy
Engineer and maintain REST API integrations with external enterprise systems
Implement observability using OpenTelemetry and Azure Application Insights
Leverage Microsoft Azure services including App Service, Azure Cache for Redis, Azure Speech Services, Azure OpenAI (PTU), Microsoft SQL, Key Vault and Storage Accounts
Contribute to CI/CD pipelines using Azure DevOps
Participate in an out‑of‑hours callout rota to support critical customer operations
Provide technical guidance to customers, including troubleshooting, solution walkthroughs and implementation support
Collaborate with cross‑functional Sabio teams across AI, Engineering and Delivery
Maintain high code quality using Pytest, Alembic migrations and peer review practices

Requirements:

Strong commercial experience as a Senior Python Developer / Software Engineer
Expertise in asynchronous Python and building complex async architectures
Strong hands‑on experience with: FastAPI, Uvicorn, Asyncio, SQLAlchemy, Pydantic, Alembic, Pytest
WebSocket‑based communication patterns
REST API design and integration
Experience delivering in Microsoft Azure environments, including: App Service, Key Vault, Azure SQL, Azure Speech Services, Azure OpenAI, Storage Accounts, Redis Cache
Experience operating production systems with structured observability and monitoring
Ability to engage effectively with customers, including technical workshops and solution design discussions
Ability to balance both project delivery work and ongoing support responsibilities

Nice to have:

Experience designing or engineering voice‑based user experiences
Background working with Financial Services or Customer Service organisations
Exposure to Vue.js or other modern JavaScript frameworks
Understanding of large‑scale, event‑driven or real‑time transactional systems

What we offer:

Pension Scheme
Remote/Flexible work
Life insurance
Private healthcare

Additional Information:

Job Posted:
March 20, 2026

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