Senior & Staff Engineer Jobs in 2026

Paymentology is the first truly global issuer-processor, giving banks and fintechs the technology, team and experience to rapidly issue and process Mastercard, Visa and UnionPay cards across more than 60 countries, at scale.

Our advanced, multi-cloud platform, offering both shared and dedicated p...

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...

Circle is looking to hire a Senior Business Development Director, Europe to join their team. This is a full-time position that can be done remotely anywhere in the United Kingdom or on-site in London.

Circle - USDC & Web3 Services for a new financial system.

Ripple is looking to hire a Senior Sales Manager, Custody to join their team. This is a full-time position that is based in Geneva.

Ripple - Our mission is to build breakthrough crypto solutions for a world without economic borders.

About Avalere Health

Guided by a single mission to make EVERY PATIENT POSSIBLE, our Advisory, Medical, and Marketing capabilities move as one, ensuring every patient is identified, supported, treated, and cared for. Equally.

Avalere Health is a global strategic partner, perfectly formed to sol...

** This is a fully remote position. Please only apply to this position if you reside in one of the following US States where Ars X Machina (AXM) currently operates: 

Alabama, Arizona, California, Colorado, Connecticut, Georgia, Illinois, Kansas, Massachusetts, Michigan, Montana, Nevada, New Jers...

The Institute of Free Technology

The Institute of Free Technology is a startup studio with several internal startups laying the foundations for a freer internet upon which communities can evolve into network states.

The team:

IFT Investments protects & grows treasury assets across three s...

We are seeking a skilled Blockchain Back-End Developer to join our dynamic team. This role focuses on designing, developing, and maintaining robust back-end systems for asset tokenization while integrating critical APIs for KYC (Know Your Customer), wallet management, and custody solutions. You will...

Coinbase is looking to hire a Business Operations & Strategy Associate / Senior Associate to join their team. This is a full-time position that can be done remotely anywhere in the United States.

Coinbase - Building the cryptoeconomy – a more fair, accessible, efficient, and transparent financial s...

Safello is looking to hire a Head of Financial Products to join their team. This is a full-time position that is based in Stockholm.

Safello - The leading crypto exchange in the Nordics.