Backend Engineer – AI Integrations

🕒 September 29

🇧🇷 Brazil – Remote

💵 $60k - $100k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 16%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Sierra

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤖 Artificial Intelligence

🤝 B2B

☁️ SaaS

Artificial Intelligence • B2B • SaaS

Sierra is a company that specializes in transforming customer experiences through the power of conversational AI. Their platform enables businesses to deploy AI agents that are empathetic, always available, and aligned with the brand's tone and voice. Sierra offers capabilities for real-time support, seamless integration into existing technology stacks, and the capacity to solve complex issues while continuously improving the customer experience. Trusted by leading brands, Sierra's AI platform is designed with a strong commitment to security and privacy, ensuring safe and secure interactions. The platform allows for personalization, enabling companies to imbue their AI agents with their own identity and processes, ensuring consistency and reliability across all customer interactions.

📋 Description

• Lead engineering on AI products delivering production-ready generative AI features • Architect the technology stack and write clean code • Integrate LLM APIs • Own features end-to-end, from prototype through reliable client-ready products • Design and ship customer-facing AI experiences for client projects • Build agent orchestration, tool use, interfaces, and backend systems • Improve internal AI tooling and delivery practices • Help grow the team and interview future candidates • Mentor other engineers • Collaborate with teammates to turn ideas into dependable products

🎯 Requirements

• 5+ years of experience in software engineering, including leading projects or people • Backend experience with TypeScript or Python • Experience with cloud infrastructure such as Azure, GCP, or AWS • Experience with databases such as PostgreSQL or MongoDB • Hands-on experience building with modern LLM APIs such as OpenAI or Anthropic • Experience with agentic products and prompt engineering • Experience with retrieval layers such as RAG, embeddings, or vector search • Experience writing and evaluating Claude Skills • Ability to choose the right LLM for each task while balancing quality, cost, and other factors • Experience creating and integrating with MCP servers and converting API endpoints into tools • Ability to quickly learn new languages and frameworks • Strong written and verbal communication skills in English • Ability to accurately estimate timelines and scope • Experience using AI for coding, such as Claude Code or Codex • Advanced to Fluent English skills • Updated CV in English required for application

🏖️ Benefits

• Fully remote work • Flexible hours • Work-life balance support • Growth opportunities and supportive team culture • Professional growth and learning opportunities • Mentorship and leadership opportunities

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