Grégory Saive - eVias
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✅ SENIOR SOFTWARE DEVELOPER | Solutions Architect | SaaS Expert ✅

👋 I am Grégory Saive, and I live in Spain; I am a software artisan whom stepped into software in 2002. I have a great deal of professional experience to offer with regards to software development and for every step of the lifecycle of your software project!

🧐 I have previously acted as a Head of Development for NEM Foundation, as a Blockchain Lead in Web3 for dHealth Foundation and as a CTO for UBC Digital Magazine. All the while, continuing to grow my technology skills. My latest research includes:

✅ Development of a Framework for Parallel Runtime of Tendermint Consensus (cometbft) ;
✅ Deployment of COSMOS/Solana/TON/Ethereum blockchain networks (historical data migrations) ;
✅ Deployment of next-generation blockchain networks (dual blockchain migrations) ;
✅ Distributed and modular patient identity using BIP32 algorithm and key derivation ;
✅ Verifiable end-to-end encrypted (E2EE) messaging and identity using key derivations ;
✅ Distributed rewarding mechanism for e-fitness platforms including Strava (health2earn) ;
✅ Wallet-, Explorer-, Monitoring software and software development kits for blockchain networks ;
✅ Generative AI software (NLG) for kids using our software SaaS in schools ;
✅ Expert SaaS software developer with over 21 years of experience in the industry ;
✅ Published Author in the iX Magazine by Heise with "In Signo Veritas" ;
✅ Published Tutor for ECCouncil Learning with "Hands-On Cryptography with C++" ;


👥 I think that I stand out from the crowd through my leadership skills, my enthusiasm for emerging technologies and my 21-years long professional experience as a software engineer which led me through using many different technologies in the past. Feel free to have a look at my biography over at: evi.as/hire-me

🛡 MATCH MY SKILLS

🛡 Languages: C++, PHP, Typescript, Javascript, Python, Golang
🛡 Databases: Mongo, MySQL, PostgreSQL, Firebase, LevelDB
🛡 Containerize: Docker, Kubernetes, AWS
🛡 Frameworks: Vue, Nest, Node, Qt, Laravel, React Native
🛡 Additional technologies: DID, websockets, push notifications, PWA, SSO, SSR, TSL, SSL, HTTP(2), blockchain, tokens, peer-to-peer, end-to-end encryption, public-key cryptography, key derivation, secure key exchange protocols, token economies, queues, web standards, e-mailing servers, firewalls, scaling solutions, key derivation scheme, mnemonic passphrases, ed25519, secp256k1, random number generators, qr codes, database migrations, parallel computing, nostr protocol, post-quantum cryptography.

🧐 Github: https://github.com/evias
🧐 Biography: https://evi.as/hire-me

Disclaimer: I am also the founder of UBC Digital (https://ubc.digital), and re:Software S.L. (https://resoftware.es), companies by pioneers of the Bitcoin and blockchain industry with the aim to streamline the integration of Bitcoin and other distributed ledger technology for mainstream media and the entreprise sector. Our team of experts will help your software or blockchain project thrive, adapt and scale to an ever-changing digital era [of blockchains]!

Professional experience

Open Source Software Development with Cosmos/Tendermint

2023 — present

From software development for open source projects to private and proprietary framework or blockchain integration, our team of experts helps you innovate with emerging technologies including but not limited to Agents, Large Language Models, Web3, Production SaaS, Cryptography frameworks, custom blockchain network solution based on Bitcoin, Ethereum, Solana, TON, or Cosmos. We are dedicated to pioneering in the era of digital privacy and provide high-level professional services for open source communities and product builders.

Authoring for UBC Digital and re:Software S.L. (Blockchain)

2020 — present

From software development for open source projects to authoring open standard definitions, via the definition of use cases and showcases for the blockchain industry and the development of client applications and client libraries for blockchain - UBC Digital offers services in the fields of software development and blockchain product development.

Blockchain Lead for dHealth Foundation

2021 — 2023

The dHealth Protocol provides a multi-tier architecture to enhance the integration of business in healthcare and general performance for the blockchain network. The $DHP token facilitates the exchange, consent and acquisition of data between stakeholders in the ecosystem allowing for liquidity on exchanges. The possibilities are endless with product and token infrastructure supported by the dHealth protocol. Developers can easily build on top of the dHealth ecosystem.

YourDLT: Distributed Ledgers for You (Blockchain)

2021 — present

Are you looking into a launch of your own blockchain network? Our team of experts will help you configure a distributed ledger network for your business and launch it for you. We walk you through from the initial setup of the network, to connecting peers from your communities. Our networks are accompanied with a Node Monitor, Explorer and Wallet Software Packages.

Open Source Software Development for Symbol (Blockchain)

2020 — 2021

At Using Blockchain Ltd, we are making blockchain real! We develop products in the blockchain industry with a focus on accessibility. We work mostly in the open source realm and believe in an open (public) access to technology.

Open Source Software Development for NEM (Blockchain)

2016 — 2020

Head of development @ NEM.io Foundation - managing client applications development projects for NEM, Symbol & Catapult Distributed Ledger, defining open protocols and development standards for NEM, defining wallets integration processes, and many more... (NIP6, NIP7, NIP8, NIP13)

Open Source Software Development with eVias Services

2012 — 2016

At eVias Services (evias.be), we run a Software as a Service webshop for Website owners and companies that want to improve their online presence with Apps that are accessible from any device with a Browser. Our team is specialized in the development of software products using innovative development techniques and using the latest frameworks and web standards.

Match my profile

A lifetime of tech

Native software (C++ & Typescript)

99%

Server software (C++ & Typescript & PHP)

99%

Mobile software (React Native)

99%

Blockchain networks (C++ & Typescript)

99%

Smart contracts and blockchain apps

99%

Token economies using blockchain

99%

Blockchain use cases and applications

99%

Public-key cryptography and protocols

99%

Blockchain frameworks and client apps

99%

Technologies I use

Laravel >= v8 & Web software

99%

Node.js & Nest.js & Vue.js

99%

Qt & Boost & CMake & Docker

99%

MySQL & PgSQL & MongoDB & PouchDB

99%

Redis & Memqueue & RabbitMQ

99%

Apache & nginx & Hosting

99%

OpenSSL & Protobuf & End-to-end

99%

Secure key exchange & Cryptography

99%

Merkle tree & Graph protocols

99%

Programming Skills

PHP

99%

Typescript

99%

C++

98%

Javascript (ES*)

98%

Python

85%

Golang

95%

Frameworks I use

Laravel >= v8

99%

Vue.js

99%

Nest.js

98%

Wordpress

95%

Qt (C++)

85%

Cobra (Go)

99%

Authoring Skills

Technical documentation

99%

Technical case studies

99%

Reference documentation

99%

Automated documentation

99%

Technical article writing

95%

Books and syllabus writing

85%

Languages I speak

French

99%

German

99%

US English

95%

British English

85%

Spanish

85%

Netherlands

75%

Found a match in the above? Make sure to contact me per e-mail: greg[at]evi[dot]as. </div>

Publications

Portfolio