UpstaffSign up
Last Update Last Updated: July, 2026
$7,000/month

Senior Backend Go Engineer with Blockchain (Stellar, Solana, Web3)

Back-End Web (5.0 yr.), Blockchain and Cryptography (3.0 yr.).

Senior
Upper-Intermediate English

Required Skills

Go
Go
4.0 yr.
Blockchain
Blockchain
3.0 yr.

Nice to Have

Solidity
Solidity
1.0 yr.
Stellar
Stellar
microservices
microservices
Docker
Docker
Kubernetes
Kubernetes
Helm
Web3
Web3

Summary

Digital asset security platform that helps financial institutions protect digital assets from theft or hackers by using breakthrough MPC & patent-pending chip isolation technology to secure private keys, API credentials and eliminate the need for deposit addresses.

  • We are looking for 1 Expert go and 1 Senior Go+ 1 Expert Full-stack and 1 Senior full-stack: Wallet and FinApps team
  • Locations ONLY: Ukraine, Bulgaria, Czechia, Poland, Romania, Slovakia
  • B2B Direct Hire Contract (no subcontracts) !!!

Are you a talented developer looking for a remote job that lets you show your skills and get decent compensation? Join Upstaff.com, a platform that connects you with hand-picked startups and scale-ups in the US and Europe.

About the role

As an Back-End Back-End, become a part of a cross-functional development team engineering experiences of tomorrow.

Join our team and take a position in building and maintaining our Client's blockchain management platform. You’ll be responsible for building cutting-edge blockchain infrastructure while implementing high-throughput, real-time scalable software solutions.

You will be instrumental in the research and integration of blockchain technologies into the platform. Your responsibilities will include collaborating closely with foundations and developers to gain a deep understanding of blockchain protocols and on-chain projects, then applying that knowledge to implement new features within the platform.

Responsibilities

  • Implement modern backend applications and infrastructure in a microservices architecture, using the latest technologies and development practices
  • Deep dive into the latest blockchain technology and become an expert in the fundamentals, protocols, and features of the chains we support
  • Collaborate effectively with developers, engineers, and other roles while demonstrating strong independent problem-solving abilities
  • Contribute to production reliability through on-call participation, incident response, and post-incident follow-ups

Requirements (Must Have)

  • 5+ years of backend development experience in GO
  • 2+ years of hands-on blockchain development experience
  • Knowledge of consensus mechanisms, cryptographic primitives, and distributed systems

Desirable

  • Experience building blockchain solutions for enterprise or institutional use cases
  • Understanding of security best practices for smart contracts and blockchain systems
  • Demonstrated ability to apply AI tools in day-to-day development
  • Understanding of MPC, multi-signature wallets, or other advanced cryptographic techniques
  • Experience with Docker, Kubernetes, and Helm

Interview process on the client side:

Wallet Team

  • System Design and Architecture interview 1,5-2 hours
  • Home task
  • Review of the task 30 min
  • Leadership interview 30 min

FinApp Team

  • Coding interview 2 hours
  • Design interview 1,5 hours
  • Leadership interview 30 min

Locations ONLY

  • Ukraine
  • Bulgaria
  • Czechia
  • Poland
  • Romania
  • Slovakia

How to Apply for Senior Backend Go Engineer with Blockchain (Stellar, Solana, Web3)

Be ready for the next steps:

  • Create your profile on our website (import from LinkedIn)
  • 20-30-minute screening call
  • Technical interview feedback
  • Project Selection (we are looking for the best project for you).

Who can apply:

  • We work with developers across Europe, LATAM, the U.S. (W-9 form owners), Canada, Asia, Oceania, and the UK.
  • We do not provide visa assistance, and this cooperation model does not include direct-hire benefits.
  • We cannot accept applicants from Russia, Belarus, Iran, or North Korea.
This job is open with compensation $7,000/month 🔥
Apply Now
Submit CV / GitHub One time, no registration. Share your CV, LinkedIn, or GitHub profile.

Not your stack?

Join the Upstaff community and we are looking for the best project for you.

Submit a Talent for Senior Backend Go Engineer with Blockchain (Stellar, Solana, Web3)
Attachment File attachment Arrow

Upload File. Drag and Drop or Browse

{# when reCAPTCHA is disabled server-side (staging/local test), drop the g-recaptcha binding so the button submits directly — keeps front/back in sync via one flag #}
At Upstaff we respect confidentiality, privacy and value your information.

Confidential (C) UPSTAFF LTD, England and Wales, #12727246 17 Montgomery Drive, Tavistock, United Kingdom PL19 8KX

Terms, conditions and legal information.

Thank you! 🎉

Your message has been successfully sent. We’ll review it and get back to you as soon as possible.

Create an account to save your details and track your applications.

Sign up