Senior Software Engineer, Backend (GenAI)
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Calling All Upstarters!
SENIOR BACK END ENGINEER WANTED!
We are Upstart 13. We are humble, hungry, and competent people who are radically changing the expectations and experience of outsourcing for all participants by challenging barriers that create inequality and by bringing down borders in technology for people everywhere. We’re all about delivering value and doing big things. We have become a game-changer for teams around the world who look to Upstart’s services as a differentiator.
Job Description:
We are seeking a highly skilled Senior Software Engineer specializing in Backend development with experience in Generative AI (GenAI), located in Latin America. The ideal candidate will have a proven track record in building APIs, services, integrations, prompt engineering, and chatbots and AI-related assistants, primarily using Python with any AI framework (e.g., LangChain, LiteLLM, or custom). This role involves designing, developing, and maintaining backend systems that support our AI-driven projects.
Responsibilities:
- Design and implement AI-powered workflows (Single Agent, Multi-Agent, Assistants, Services).
- Design and implement backend services and APIs to expose agentic technology.
- Design and implement integrations to connect the assistant with the needed interfaces and interaction layers (e.g., APIs, MCP, A2A).
- Collaborate with cross-functional teams, including AI researchers/advisors, other developers, and product managers, to integrate AI models into production.
- Optimize and scale backend systems to handle large-scale AI applications.
- Ensure the robustness, security, and scalability of backend services.
- Stay updated with the latest trends and advancements in AI and backend development.
Technical skills:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- 6+ years of experience in software engineering with a focus on backend development.
- Extensive experience with Python.
- Proven experience in building and deploying AI applications (e.g., assistants) using LLMs.
- Experience with RAG implementations and prompt Engineering.
- Familiarity with any AI Agentic framework.
- Familiarity with MCP.
- Strong understanding of RESTful API design and implementation.
- Understanding of security best practices.
- Understanding of CI/CD Pipelines and IaC.
Soft skills:
- Ownership and ability to work independently.
- Startup experience or work in agile, fast-paced environments.
Bonus skills:
- Experience with cloud services (AWS, Azure, GCP).
- Experience with Containerization (Docker, Kubernetes).
- Experience using Pipedream.
Why Upstart13?
- We put people first at Upstart 13! We believe the world is filled with amazing people and we are willing to go to great lengths to seek out others who share our values to join our cause of bringing down borders in technology for people everywhere.
- We develop leaders at Upstart 13, we focus on what matters to do meaningful work, we own our shit, we stay curious, and we understand responsibility leads to giving. We do big things together!
Perks:
- Job-type: long-term, full-time job.
- Fully remote.
- USD competitive salary.
- 20+ Paid time off days.

Are you ready to join our cause? Be sure to ask, “Why 13?”
- Department
- Software Development
- Role
- Backend Developer
- Remote status
- Fully Remote
- Employment type
- Full-time
About Upstart 13
We build software people love #BeYou #ShowYouCare #SolveProblems
We aimed to disrupt the industry; it was overdue and needed. Outsourcing had run its course in its current form.
Customers faced bad quality and unpredictability; engineers were left with menial tasks.
Everyone wanted more, and we could offer it. Inspired by LATAM culture, fueled by its people, and shaped by our mission,
Upstart 13 was born
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