Senior Backend - AI Engineering

3/15/2026

The role involves designing, developing, and maintaining robust backend services and APIs for AI-driven products, focusing on integrating AI models into production environments for high performance and scalability. Key tasks include working with large-scale data processing pipelines, optimizing inference pipelines, and contributing to the technical strategy for AI-based backend services.

Working Hours

40 hours/week

Company Size

51-200 employees

Language

English

Visa Sponsorship

About The Company

AI Customer Engagement That Cuts Service Costs — With Enterprise Control Built In. CommBox enables businesses to instantly deploy high-impact digital and voice AI agents for immediate efficiency gains. By merging AI reasoning with deterministic guardrails, and integration seamlessly with all core business systems, Commbox provides the only path to CX that is safe enough for the enterprise and fast enough to matter competitively. We help you launch brand-tailored AI agents in just weeks, giving you a proven, future-proof platform to scale AI adoption at your own pace.

About the Role

We are a well-established, well-funded startup operating in the Customer Experience (CX) market, serving high-level enterprise clients across various industries. Our mission is to revolutionize customer interactions through intelligent, AI-powered solutions that enhance communication, efficiency, and personalization.

As a Senior Backend Developer specializing in AI engineering, you will play a key role in building and scaling the backend systems that power our next generation of AI agents for customer interactions. This is an opportunity to join a fast-moving, innovation-driven team where your work will directly shape how global enterprises engage with their customers using advanced AI technologies.

Key Responsibilities

Design, develop, and maintain robust backend services and APIs for AI-driven products.
Integrate AI models and agents into production environments, ensuring high performance and scalability.
Work with large-scale data processing pipelines and model-serving infrastructure.
Collaborate with AI teams to optimize inference pipelines, data flows, and model deployment lifecycles.
Ensure system reliability, security, and maintainability across cloud and on-premise environments.
Contribute to architectural decisions and technical strategy for AI-based backend services.

Requirements

5+ years of experience as a backend software engineer.
2+ years of experience developing AI agents or integrating AI systems into production.
Strong proficiency in Python (FastAPI, Flask, Django, or similar frameworks).
Experience with AI frameworks and tools (LangChain, OpenAI API, Hugging Face, or similar).
Solid understanding of RESTful and GraphQL APIs, microservices architecture, and asynchronous programming.
Hands-on experience with databases (SQL and NoSQL) and cloud services (AWS, Azure, or GCP).
Knowledge of software design patterns, testing, CI/CD, and version control (Git).
Strong problem-solving skills, attention to detail, and ability to work independently.

Nice to Have

Experience with C# / .NET for system integration or hybrid backends.
Familiarity with Docker, Kubernetes, and scalable model serving infrastructure.
Background in conversational AI, agent frameworks, or retrieval-augmented generation (RAG) systems.

Requirements

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Key Skills

PythonFastAPIFlaskDjangoLangChainOpenAI APIHugging FaceRESTful APIsGraphQL APIsMicroservicesAsynchronous ProgrammingSQLNoSQLAWSAzureGCP