Senior AI Backend Software Engineer - full remote

Diabol
ocom enables organizations worldwide to build brand loyalty and drive sales growth. Our innovative cloud‑based solution leverages its proprietary AI technologies to optimize contact centers of medium to large sizes, enabling efficient management of customer interactions across all communication channels.

As a telecom operator, we ensure premium voice quality, efficient handling of high call volumes, and provide phone numbers worldwide.

Our comprehensive range of AI services, specifically designed for customer relations, elevates data quality and automates tasks. These services, fully integrated into our cloud contact center solutions, are also accessible through APIs in multiple languages.

We empower Customer Service and Sales teams to effectively handle all inbound and outbound interactions thanks to our state‑of‑the‑art dialer. Our solution seamlessly integrates with leading CRMs and offers real‑time monitoring and analytics capabilities.

Diabolocom, with offices across Europe, the USA, Brazil, and the UAE, proudly serves 350+ clients, with agents operating from 60+ countries.

Diabolocom is looking for talented engineers to join its AI department. Join our team and play a key role in the development and maintenance of our AI‑based systems! We are seeking a skilled and experienced Backend Engineer to design and implement robust backend systems for our solutions that will keep the user experience fast and low latency. Our projects predominantly focus on Contact Center as a Service use cases, centered on text and speech data, Natural Language Processing (NLP) and speech processing, with AI applications.

• Co‑architect scalable and efficient backend systems using PHP and Python.
• Work hand in hand on a daily basis with the AI Operations team to deliver integrated solutions interfaced with frontend components in PoCs, components and customer‑facing products, and also with a modern, cloud‑native infrastructure platform.
• Collaborate with cross‑functional teams including Product Owners, backend engineers, AI Engineers to deliver high quality backend solutions powering high impact features.
• Ensure high standards of code quality and security, working in Test Driven Development & Domain Driven Development modes.
• Participate in API design, implementation and documentation for both internal APIs and those exposed to our third‑party integrators.
• Stay interested in the evolution of standards to advise and propose upgrade plans.
• Your developments will contribute to the creation and the optimization of different innovative CCaaS tools & processes !

• At least 6 years of relevant experience in backend development.
• Hands‑on experience with PHP, CI/CD tools.
• Experience in Python:
  FastAPI, TDD build and maintain microservices.
• Strong experience in designing and implementing microservice architectures, especially in asynchronous environments.
• Strong experience with testing methodologies and design practices.
• Autonomous and able to tackle problems by yourself.
• Curious, always a source of proposals.
• On the lookout for new technologies and ready to learn new things.
• Excellent interpersonal skills.
• Fluent in English, French is a plus.

• A collaborative, multicultural environment that values professionalism, innovation, and knowledge sharing.
• The opportunity to work on a real product used daily by customers worldwide, with clear real‑world impact.
• Work on large‑scale, real‑time, mission‑critical communication systems, where reliability, performance, and technical excellence truly matter.
• Flexible working hours and remote work options.
• High‑quality IT equipment of your choice.
• Clear growth paths with opportunities to take on increasing responsibility and influence technical decisions.
• A context to work in where your ideas are listened to and valued, and in which you can easily contribute and make a difference.
• Team building events:
  Ibiza, Porquerolles, Corsica… what’s next? 😎

• Intro call with a Talent Acquisition Manager
• Live coding review (2 hours)
• Interview with Heads of AI product Paschalis and Remi
• Final cultural fit interview with the team