HumanSourcer
LXT AI

Senior Backend Engineer

Coding / software engineeringLXT AIVoice / SpeechLinguisticsRegion specific

Senior Backend Engineer is an open role at LXT AI, located in Cairo, Egypt, Egypt.

About this role

Job Description LXT is an emerging leader in AI training data to power intelligent technology for global organizations. In partnership with an international network of contributors, LXT collects and annotates data across multiple modalities with the speed, scale, and agility required by the enterprise. Our global expertise spans over 145 countries and more than 1,000 language locales. Founded in 2010, LXT is headquartered in Toronto, Canada with a presence in the United States, UK, Egypt, India, Turkey, and Australia. The company serves customers in North America, Europe, Asia Pacific, and the Middle East. We’re looking for a Senior Backend Engineer with strong Python expertise to design and operate scalable, production-grade systems. You’ll play a key role in shaping backend architecture, improving system reliability, and building services that handle real-world scale Responsibilities: Design, build, and maintain scalable backend services and APIs in Python (e.g., FastAPI, Django) Own features end-to-end: from architecture and implementation to deployment and monitoring Evolve system architecture toward high availability, fault tolerance, and scalability Design and implement event-driven and messaging-based systems (e.g., queues, pub/sub) Collaborate closely with Product and other stakeholders to translate requirements into robust technical solutions Maintain and improve existing systems, including refactoring and performance optimization Implement security best practices and ensure compliance with common standards (e.g., OWASP) Contribute to and enforce engineering standards, code quality, and best practices Drive adoption of modern development workflows (CI/CD, testing, observability) Participate actively in Agile processes Qualifications: 4–6+ years of experience in backend or full-stack development Strong proficiency in Python for building production-grade applications Experience with modern Python frameworks such as FastAPI, Django, or similar Solid understand

Pay

Not disclosed

LXT AI doesn’t publish a rate for this listing — it isn’t missing from our data.

Apply at LXT AI →

About LXT AI

LXT AI's connection to LXT AI: Direct speech and NLP data platform. Speech data, audio, and NLP data collection and annotation

Ownership confidence: Confirmed. See the full network profile →

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Frequently asked questions

How do I apply for the Senior Backend Engineer role at LXT AI?

Apply directly through LXT AI's own application process — HumanSourcer links out to the listing and doesn't handle applications or hiring directly.

Is the Senior Backend Engineer role at LXT AI remote?

This role is listed for: Cairo, Egypt, Egypt.

What does the Senior Backend Engineer role at LXT AI pay?

Pay isn't publicly disclosed for this role by LXT AI — check the source listing for current compensation details.

What kind of work is Senior Backend Engineer?

Coding / software engineering. Speech data, audio, and NLP data collection and annotation

Is LXT AI a legitimate AI-training platform?

LXT AI's connection to LXT AI: Direct speech and NLP data platform. Ownership confidence: Confirmed — verified via lxt.ai.

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