Xavier Kibet · Nairobi, Kenya · Remote
Backend engineer and product builder. I work across data, infrastructure and the product layer that makes difficult systems usable.
Selected work
GemGunner · Contract discovery
GemGunner collected contracts, read their source, compared patterns, and made the results searchable.
Borrow Gas · Gas fee lending
Borrow Gas used past gas spending to calculate a borrowing limit, helping users who had run out of funds for transaction fees.
MintLab · Memecoin launchpad
It searched for memorable token addresses, then took people through launch. A single RTX 3090 found seven-character matches in under five minutes.
HolderMaps · Token ownership maps
HolderMaps turned token ownership from a table of addresses into a visual map people could inspect.
Skills
This is my core skillset.
Go + Node.js · 5+ years
Build the services and data layer that products depend on.
Go · TypeScript · Node.js · PostgreSQL · Redis · Elasticsearch
Ethereum / EVM · 2+ years · Solana · 2+ years
Make chain interactions, signing, and transaction state work in a product.
Solana · EVM · Wallet adapters · Smart contracts · Transaction flows
Dune · 2+ years · Elasticsearch · 2+ years
Turn raw blockchain activity into data people can search, inspect, and use.
Data ingestion · Indexing · Dune · Elasticsearch · Solana data
Docker / Kubernetes · 4+ years
Deploy and operate systems that stay available as product usage grows.
Docker · Kubernetes · Cloud infrastructure · CI/CD · Observability
React · 7+ years
Turn complex data and blockchain workflows into useful, usable interfaces.
React · TypeScript · D3 · Wallet UX · Data visualisation
From internal tools to products of my own.
Web 3 journey2024 — nowSince March 2024
Independent work
Built and ran my own Web 3 products, owning the backend, interface, launch, and operations.
Web 22022 — 2024Jan 2022 – Feb 2024
Novek Promotion
Led three developers and operated production data systems. Cut cloud costs by 50% while maintaining 99.5% ingestion uptime.
2020 — 2022Oct 2020 – Jan 2022
Novek
Built a multi-tenant ERP that tracked 3m+ transactions over two years. Migrated infrastructure from Azure VMs to Kubernetes.
Early work2020Feb – Oct 2020
Moringa School · Marketing
Built a lead-to-student pipeline to track acquisition costs and maintained the school’s website.
2018 — 2020Oct 2018 – Feb 2020
Moringa School · Infrastructure
Built job matching across 11+ job sites and automated assignment grading for teachers.
September 2018 Full Stack Web Developer certification · Moringa School
Open to work
Open to backend and full-stack engineering roles.
Based in Nairobi. Available remotely.