Nicolas Marshall

marshall.nicolas@gmail.com

/nmrshll

/in/marshallnicolas

+44 7404 355 868+33 618 836 039

Skills

Programming

Rust

React / Web

Javascript / Typescript

Cryptography

Blockchain

Blockchains

Ethereum

Solana

Polkadot/Substrate

NEAR

Cardano

Wormhole

Sui

Databases / Data

Postgres

SQLite

Kafka/Queues

Clickhouse

DuckDB

Tracing

Events

Systems

Linux shell

Git

Docker

Testing

Kubernetes

Distributed systems

Nix

AI Agents

Education

Ecole Centrale de Lyon

Master's degree in engineering

Personal projects

nmrshll/kademlia-dht-rs

Repository

Rust implementation of a Kademlia DHT

nmrshll/auth-rs

Repository

Authentication / authorization server in Rust + hyper

gphotosuploader/gphotos-uploader-cli

Repository

CLI Google photos automatic uploader in Go

Work experience

Now

ContractorBlockchain L1 & Back-endRemote

IOTABlockchain L1 / infra: migration to Sui fork, split indexer out

Semi-automated porting new changes from Sui

Observability, reliability (CI revamp), operator docs

RustIOTASuiRocksDBPrometheusGrafanaTracing

Taostats.ioTook over & extended Bittensor indexer API

DB: query performance, migrations, scaling (sharding)

RustPostgresCitusClickhouseBittensorAxum

Jul'24

UnboxBack-end APIs & blockchainRemote

Programmable money for NGO/government projects:

• OAuth2 server with web3 keys as identity

• APIs to expose Cardano validator features to HTTP clients

• Data ingestion from validators

• Observability platform (tracing, metrics) & reliability

RustPostgresBlockchainCardanoNixOpenTelemetry

Jun'22

PacioBlockchain internals + Solana DeFi appsRemote

Aldrin Labs• DeFi: AMM, Lending & Staking programs (revamped for performance)

• Cross-chain leveraged yield farming (farm Terra from Solana)

• NFTs on Solana

RustBlockchainSolanaAnchorCosmos SDKTypescriptWormhole

Dock• Blockchain node with Parity Substrate, EVM implementation

• Oracle: transactions priced in USD (with Chainlink)

• Web2 APIs for easy interaction with the Dock chain

RustBlockchainSubstratePostgresTypescript

Pacio• Blockchain node (internals) & cryptocurrency for micropayments

• Back-end / blockchain APIs for smartlike.org

• Cross-platform Rust core for browser extension, mobile app

RustBlockchainPostgresTypescript

Apr'19

OVH CloudBack-end

New contracts API + gradual data migration to the new version

GoPostgresDockerCIk8s

Jan'19

Teamwork.comBack-endRemote

Refactored integration framework, added integrations. Built an API client in Go.

GoMySQLRabbitMQDocker

Apr'18

ContractorBack-end & Front-endRemote

Websites, web UIs, API services, ads & marketing tools, CRMs. For Voyage-langue.com, Lowtaux.fr, Immotchat, Wifx.net

GoPHPMySQLReactReduxGraphQLNetworking

Jan'17

TypeformBack-end

• Split a monolith into microservices + move to event-driven architecture

• API proxy providing auth, tracing, rate-limiting to other Typeform services

GoPHPMySQLKafkaDockerCIStatsd