Senior Software Engineer - Cryptography

MultiversX is a highly scalable, secure, and decentralized blockchain network designed to power the new internet economy, decentralized applications, and the metaverse frontier.

MultiversX

Employee count: 51-200

AL, AD + 48 more

MultiversX represents a highly scalable, fast and secure blockchain platform for distributed apps, enterprise use cases and the new internet economy.
We think every successful initiative is the result of a tremendous team effort from a passionate, focused, and forward-thinking group of individuals.
Do you want to be part of the blockchain industry revolution? Here’s your chance.
We are looking for a curious, open-minded software engineer with a passion for building quality production systems software. Research is an important component of what we do, however, our passion is to change the world by shipping great software.

Here’s what you’ll do:

Designing APIs for cryptographic libraries that are easy to use and hard to misuse
Implement cryptographic tools and algorithms
Signature schemes, including multi and threshold signatures
Distributed key generation algorithms
Merkle trees
Encryption schemes
Zero-knowledge proofs
Key management
Authentication mechanisms and securing data in flight and at rest
Ensuring secure coding practices and compatibility with client-based applications (browsers, Ledger devices, etc.)
Help us change the world

To succeed in this role, you:

Have a good understanding and experience in using cryptographic protocols (encryption and signature schemes, zero-knowledge proofs, etc.).
Have previous experience in systems security and implementation best practices.
Have experience in implementing cryptographic primitives and using hardware/trusted execution environments (smart-cards, HSM, SGX, SEV, etc.).
Have a deep understanding of at least one of the following languages: C, C++, Rust or Go.
Have experience in deploying systems that run 24x7x365. Building the monitoring, alarming, and tooling required to keep them healthy.
Have a Bachelor's degree in Computer Science, or a closely related field. The unique challenges at MultiversX have attracted many engineers with advanced degrees, however, your practical experience is more important to us than your educational background.

We will offer:

Flexible working hours
Start-up atmosphere where everybody is agile without being AGILE
The opportunity to create something really meaningful that will be used by millions of people
Competitive salary
Fast, dynamic & unique working environment

Join MultiversX and help us shape the world for the better!

Apply now

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About the job

Apply before

Aug 14, 2025

Posted on

Jun 15, 2025

Job type

Full Time

Experience level

Senior

Job categories

Senior Software Engineer Cryptography Architect Crypto Engineering Lead

Skills

APIs Signature Schemes Distributed Key Generation Algorithms Merkle Trees Zero Knowledge Proofs Secure Coding System Security C++Rust Go Blockchain

About MultiversX

Learn more about MultiversX and their company culture.

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At the heart of MultiversX is a bold and ambitious mission to engineer the foundational infrastructure for a new, decentralized internet and a globally accessible digital economy. The company's culture is one of relentless innovation, driven by the belief that the limitations of current blockchain technology are not insurmountable barriers but challenges waiting for a groundbreaking solution. This ethos led to a complete reimagining of blockchain architecture, moving beyond incremental improvements to build a platform from scratch that delivers a 1,000-fold enhancement in performance. This journey of transformation was marked by the evolution from Elrond to MultiversX, a change reflecting an expanded vision to create a positive, harmonious interplay between the physical world and the emerging metaverse.

The team at MultiversX is united by a vision of a future where technology is seamlessly integrated, scalable, and accessible to all. This vision is brought to life through their core technological pillars: Adaptive State Sharding and a Secure Proof-of-Stake (SPoS) consensus mechanism. These aren't just technical terms; they represent the company's commitment to solving the blockchain trilemma, enabling the network to process transactions with unprecedented speed and efficiency without sacrificing security or decentralization. The culture fosters a deep focus on the developer and enterprise communities, providing them with the tools and the robust, carbon-negative platform needed to build the decentralized applications (dApps) and services of tomorrow. Through products like the xPortal super-app, MultiversX is dedicated to abstracting away complexity, creating a user-friendly gateway for the next billion people to join the Web3 revolution and explore a universe of new digital experiences.

Tech stack

Learn about the tools and technologies that MultiversX uses to build, market, and sell its products.

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React Native

NestJS

Rust

Blockchain

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Employee benefits

Learn about the employee benefits and perks provided at MultiversX.

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Flexible working hours

MultiversX offers remote and hybrid work options for many of its roles.

View MultiversX's employee benefits

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Please let MultiversX know you found this job on Himalayas. This helps us grow!

Apply now