Senior Software Engineer (Python)
Full-time
5-10 years experience
Remote OK
Key Skills
Python
FastAPI
Asyncio
SQLAlchemy
Pydantic
Alembic
Pytest
Azure
REST API
Generative AI
Microservices
OpenTelemetry
Azure DevOps
WebSocket
Azure Speech Services
Azure OpenAI
Job Description
Senior Software Engineer (Python)
Department: Operations
Employment Type: Permanent - Full Time
Location: Netherlands
Description
Sabio Group is a trusted expert in AI, Contact Centre and Data. We design, build and run automation‑led customer experiences for leading brands, combining deep domain expertise with modern engineering and a consulting mindset. We’re collaborative, curious and outcomes‑driven, and we invest in people who want to learn and grow in a supportive, inclusive environment.
Role Purpose
Role Purpose
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.
Key Responsibilities
- 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.
Skills, Experience & Competencies
Essential
- 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.
Benefits
This is your chance to join and friendly and passionate team that will motivate you to learn and develop your career in the company.
Benefits may include
Benefits may include
- Pension Scheme
- Remote/Flexible work
- Life insurance
- Private healthcare
Plus many more! (Benefits are dependant on your base location.)
The Small Print
Strictly No Agencies; any submission of resumes without prior request from Sabio Group will not be deemed as an introduction and therefore will not warrant an introduction fee. All applicants must have the right to work in the territory to which the role relates (UK & EU). Sabio Group are unable to offer sponsorship on any roles advertised.
The Small Print
Strictly No Agencies; any submission of resumes without prior request from Sabio Group will not be deemed as an introduction and therefore will not warrant an introduction fee. All applicants must have the right to work in the territory to which the role relates (UK & EU). Sabio Group are unable to offer sponsorship on any roles advertised.
Core Responsibilities
Design, build, and maintain real-time voice and AI-enabled applications using Python and modern asynchronous frameworks. Provide technical guidance to customers and participate in an out-of-hours callout rota to support critical operations.
Requirements
Requires strong commercial experience as a Senior Python Developer with expertise in asynchronous architectures and Microsoft Azure environments. Candidates must be able to engage effectively with customers and balance project delivery with production support.
Benefits
- Pension scheme
- Remote/Flexible work
- Life insurance
- Private healthcare
About Sabio Group
Industry: IT Services and IT Consulting
Company size: 501-1,000 employees
We put people at the heart of AI powered customer experiences. Sabio transforms CX by combining the efficiency of AI with human insight and empathy.
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