Soma Capital Portfolio Jobs

Founding Software Engineer (Crypto)



Software Engineering
Brooklyn, NY, USA · Remote
Posted on Thursday, January 19, 2023

About Kalder

Kalder is reimagining the future of brand engagement with web3. Brands 3.0.

It has never been more expensive to acquire customers or challenging to retain them. Existing marketing and engagement channels are, at best, saturated and, at worst, actively deteriorating.

Kalder is building the next layer of engagement infrastructure to solve brands’ and creators to solve customer acquisition and retention problems – mobilizing communities and creating engagement beyond products.

We are creating a suite of no-code web3 tools that empower brands and creators to efficiently onboard new consumers, reward loyal customers, and build composable digital asset ecosystems that create enduring community engagement. For more information, visit

What you’ll do at Kalder?

  • Contribute to our centralized & decentralized (web 3.0 / blockchain) platform and architecture
  • Write and maintain smart contract protocols underlying our no-code tooling for brands, loyalty tokens, NFTs, and other applications
  • Work with the full-stack development team to build connective infrastructure between web2 and on-chain data
  • Experiment with and implement new on-chain product ideas to drive value for brands
  • Work with the founding team to drive and maintain token design for our platform
  • Maintain a technical standard that attracts a team of stellar engineers
  • Continuously improve the design, development, testing, deployment and monitoring of our platforms


  • Experience building blockchain projects in Solidity
  • Experience in backend development
  • Loves brands / art / music and has hypotheses about how web3 will change ecomm, brands, and consumer tech
  • Passion for building robust, scalable infrastructure
  • Ownership mentality
  • Comfortable creating something from nothing

Requirements & Expectations

  • Track record of building blockchain projects or backend systems
  • Excellent communication skills - writing clear documentation, running meetings, and speaking clearly
  • Excitement for working with some of the biggest brands and creators in the world
  • Passion for web3