Sebastian Estevez
Tech Lead at DataStax
Raleigh, North Carolina, United States
Summary
🤩
Rockstar🎓
Top SchoolSebastian Estevez is a Tech Lead with 11 years of experience building distributed, data-driven systems and leading engineering teams at DataStax in Raleigh. He progressed through roles from Solutions Architect to Principal Engineer before assuming technical leadership, pairing deep product knowledge of databases and cloud services with hands-on full-stack development. An active open-source contributor, he has made substantial front-end and back-end integrations to Langflow, adding support for Astra Assistants, improving components, tests, and type safety—showing comfort across Python backends and UI CSS. Sebastian blends customer-facing solutioning from his long DataStax tenure with pragmatic engineering practices, enabling reliable RAG and multi-agent AI workflows. He holds dual technical and finance-focused degrees from Lehigh University, which helps him translate business requirements into scalable technical designs. Colleagues describe him as a pragmatic technologist who moves between strategy and code, keeping systems maintainable while accelerating feature delivery.
11 years of coding experience
8 years of employment as a software developer
BS IBE Finance, BS I&SE, Finance, Information Systems Engineering, BS IBE Finance, BS I&SE, Finance, Information Systems Engineering at Lehigh UniversityAmerican Heritage School
Spanish
Stackoverflow
7,305reputation
793kreached
234answers
1question
solr
top-5%
cassandra
top-1%
nosql
top-5%
Github Skills (23)
openai-api10
python10
cassandra10
large-language-models10
agent10
react10
nosql9
solr9
multi-agent9
tailwindcss9
generative-ai9
typescripts8
githubaction-workflow8
typescript-types8
typescript8
Programming languages (16)
Github contributions (5)
langflow-ai/langflow
Apr 2024 - Mar 2025
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:61 reviews, 35 PRs, 94 pushes in 11 months
Contributions summary:Sebastian contributed significantly to the `langflow-ai/langflow` repository, focusing on front-end and back-end integration. They worked on implementing Astra Assistants support, which included changes to the front-end CSS, back-end Python scripts for interaction with the Astra assistants, and component creation, showing a comprehensive understanding of the project's architecture. Further contributions involved fixing type issues, updating components, adding integration tests, and upgrading Langfuse, demonstrating a commitment to maintaining and improving the project's functionality and stability.
agentschatgptgenerative-ailarge-language-modelsmultiagent
phact/langflow
Apr 2024 - Mar 2025
⛓️ Langflow is a dynamic graph where each node is an executable unit. Its modular and interactive design fosters rapid experimentation and prototyping, pushing hard on the limits of creativity.
Contributions:89 pushes, 7 branches, 1 comment in 11 months
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