Senior Back-End Developer specialized in cloud architectures and AI conversational systems.

We are looking for a Senior Back-End Developer specialized in cloud architectures and AI conversational systems, capable of designing and implementing scalable, resilient, and high-impact solutions. Want to join our Squad? 

Your work setup

• Full‑time.

• 100% remote.

Language requirement 

• English: C1 level. (mandatory)

Some of your responsibilities

• Design and develop scalable and resilient backend microservices. 

• Implement REST APIs and event-driven architectures. 

• Collaborate with AI, Cloud, Frontend, and Product teams. 

• Participate in architecture decisions, code reviews, and continuous technical improvements. 

• Implement best practices for testing, logging, and observability. 

AI Voice Bot Architecture (AWS) 

• Design and implement integrations with Amazon Connect (AI Agent, Q in Connect, and Lex). 

• Develop and maintain ECS containers (Python) integrating Nova Sonic (speech-to-speech). 

• Work with AWS AgentCore (MCP Gateway and Runtime). 

• Implement and maintain Lambdas in Python (Context Manager API) and C# (.NET) (DOM SAP API). 

• Design the communication flow between SIP Bridge, SonicFlow Container, and auxiliary agents (e.g., Address Lookup Agent). 

• Manage data persistence in the Context Store to synchronize Connect, the bot, and

Analysis and Regression Systems 

• Design mechanisms to store call transcripts and events. 

• Implement pipelines for failure analysis by intent. 

• Build tools to run regression tests on specific subsets of calls. 

• Optimize system performance and scalability under concurrent loads. 

What we expect from you

• 5+ years of backend development experience. 

• Strong experience in Python and/or C# (.NET Core). 

• Experience working with AWS (Lambda, ECS, API Gateway, SQS, SNS, IAM). 

• Experience designing microservices and serverless architectures. 

• Experience working with containers (Docker). 

• Experience with event-driven architectures. 

• Experience integrating external APIs and complex systems. 

• Solid knowledge of SQL and NoSQL databases. 

• Experience working with distributed systems and asynchronous processes. 

• Strong analytical and debugging skills in complex environments. 

• Architectural mindset with a focus on scalability. 

• Strong communication and collaboration skills. 

• High level of autonomy, ownership, and accountability. 

Nice to Have 

• Experience with Amazon Connect (AI Agent, Q in Connect) and Amazon Lex. 

• Experience with Amazon Bedrock. 

• Experience working with AWS AgentCore. 

• Experience in conversational systems or voice-to-voice bots. 

• Knowledge of the Strands Framework. 

• Experience using official AWS GitHub repositories (Nova Sonic / Connect samples). 

• Experience implementing automated testing and regression systems. 

• Knowledge of CI/CD (GitHub Actions, CodePipeline, or similar). 

• Interest in generative AI and advanced agent architectures. 

Ready to join our Squad? Apply now by completing the form, we’d love to hear from you.