Backend Developer Jobs in 2026

Uphold is looking to hire a Junior Backend Engineer to join their team. This is a full-time position that can be based in Braga, or Porto.

Uphold - A global, multi-asset digital trading platform with more than 10M users.

You could work anywhere. Why Figment?

Figment powers the future of Web3 through industry-leading blockchain infrastructure. As the leading provider of staking solutions, we help 500+ institutional clients optimize their crypto rewards, including top exchanges, asset managers, wallets, foundations,...

Bitcoin Suisse is looking to hire a Media & Client Communications Manager to join their team. This is a full-time position that is based in Zug.

Bitcoin Suisse - Swiss crypto-native pioneer and trusted gateway to invest in crypto.

Infrastructure & DevOps Engineer at Raiku

As an Infrastructure & DevOps Engineer at Raiku, you will lead critical engineering efforts that drive the performance and scalability of next-generation distributed systems. You’ll join a highly proficient team of core engineers, all of whom have contri...

About the Role

As a Protocol Research Engineer at Raiku, you’ll dive deep into Solana’s consensus mechanisms, validator dynamics, and block-building edge cases to help push the boundaries of what’s possible on-chain. Your work will directly inform and evolve Raiku’s infrastructure — including ah...

About Nimbus

Nimbus is a research team that focuses on developing an Ethereum client and library. We believe that the largest deployment of Ethereum will potentially be on embedded systems and Nimbus is designed to perform well on embedded, mobile and generally resource-restricted devices.

Buil...

About Chainlabs

Chainlabs is a data startup focused on enabling web3 analytics. We specialize in identifying blockchain address ownership and tracking addresses linked to illicit activities. Our work supports industry leaders like Nansen, Chainalysis, and Arkham in their wallet labeling efforts....

Join a hands-on, entry-level internship designed to teach you how professional crypto traders operate behind the scenes. You will gain foundational skills in trading strategies, liquidity dynamics and execution infrastructure with optional access to our live mentorship program.

HIRO was built by pr...

About CoW DAO

CoW DAO is on a mission to protect Ethereum users from the dangers of DeFi. It does this by supporting the development of CoW Protocol, CoW Swap, MEV Blocker, and CoW AMM, and by funding values-aligned projects through the CoW Grants Program.

CoW Protocol is the second-largest DEX...

Citrea is looking to hire a Marketing Manager to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Citrea - The ZK rollup on Bitcoin, facilitating the most trust-minimized way to use BTC.