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- Tasks: Create a user-friendly Bitcoin multi-sig wallet with advanced features and secure integrations.
- Company: Evoke Solutions, the UK's first Bitcoin treasury consultancy for high-net-worth individuals and SMEs.
- Benefits: Competitive freelance rates, flexible working hours, and the chance to shape innovative financial solutions.
- Other info: Opportunity for extension and growth in a dynamic fintech environment.
- Why this job: Join a pioneering team and make a real impact in the world of Bitcoin security.
- Qualifications: Experience with BitcoinJS, PSBTs, and multi-sig wallet design is essential.
The predicted salary is between 8000 - 14000 £ per year.
Evoke Solutions is the UK’s first Bitcoin treasury consultancy for HNWIs and SMEs. We deliver secure, non-custodial, multi‑sig wallet setups with inheritance, governance, and risk controls baked in. We’re now building a simple interface to abstract away technical complexity for clients.
We need a Bitcoin‑native engineer with real PSBT experience, who can help us build the first version of this product fast, clean, and secure.
What You’ll Work On:
- 2‑of‑3 wallet creation flow (with descriptors + address validation)
- Hardware wallet integration (Trezor via WebUSB or HWI)
- PSBT signing coordination (offline + online flows)
- Recovery simulation and signing UX
- Exportable PDF of wallet structure & governance model
- Optional lightweight admin dashboard to track setups
You Should Know:
- BitcoinJS, Specter, Sparrow or Electrum experience
- PSBTs, Miniscript, or descriptor‑based wallet design
- Familiarity with multi‑sig coordination and hardware signing
- Clean UX thinking — we're not trying to build a bloated dashboard
- Bonus: experience with similar wallet projects
Budget & Rate:
Fee Range: £8,000 – £14,000 ($10,000 – $18,000 USD)
Engagement: 8–12 weeks freelance (extension possible)
Paid in fiat
Bitcoin Multi-Sig Wallet Engineer (Freelance, PSBT/Descriptor Focus) in London employer: Stacker News
Contact Detail:
Stacker News Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Bitcoin Multi-Sig Wallet Engineer (Freelance, PSBT/Descriptor Focus) in London
✨Tip Number 1
Network like a pro! Reach out to fellow Bitcoin enthusiasts and professionals in the industry. Join forums, attend meetups, or engage on social media platforms. The more connections we make, the better our chances of landing that dream gig!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your past projects related to multi-sig wallets or PSBTs. We want to see your expertise in action, so include any relevant code snippets or case studies that highlight your problem-solving abilities.
✨Tip Number 3
Prepare for interviews by brushing up on common questions related to Bitcoin wallet engineering. We should be ready to discuss our experience with tools like BitcoinJS and Trezor integration. Practice makes perfect, so consider mock interviews with friends or colleagues!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to connect directly with us. Don’t miss out on the chance to stand out from the crowd!
We think you need these skills to ace Bitcoin Multi-Sig Wallet Engineer (Freelance, PSBT/Descriptor Focus) in London
Some tips for your application 🫡
Show Your Passion for Bitcoin: When writing your application, let us see your enthusiasm for Bitcoin and multi-sig wallets. Share any personal projects or experiences that highlight your skills and knowledge in this area. We love to see candidates who are genuinely excited about what they do!
Tailor Your Application: Make sure to customise your application to fit the job description. Highlight your experience with PSBTs, descriptor-based wallet design, and any relevant tools like BitcoinJS or Trezor. This shows us that you understand what we’re looking for and how you can contribute.
Be Clear and Concise: Keep your application straightforward and to the point. We appreciate clarity, so avoid jargon unless it’s necessary. Use bullet points if it helps to break down your skills and experiences. This makes it easier for us to see why you’d be a great fit!
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to keep track of all applications and ensures you’re considered for the role. Plus, it shows us you’re serious about joining our team at Evoke Solutions.
How to prepare for a job interview at Stacker News
✨Know Your PSBTs Inside Out
Make sure you brush up on your knowledge of Partially Signed Bitcoin Transactions (PSBTs) before the interview. Be ready to discuss how they work, their advantages, and any challenges you've faced while implementing them in past projects.
✨Showcase Your Wallet Experience
Prepare to talk about your hands-on experience with BitcoinJS, Specter, Sparrow, or Electrum. Have specific examples ready that demonstrate your ability to create multi-sig wallets and integrate hardware wallets like Trezor.
✨Demonstrate Clean UX Thinking
Since the role involves building a user-friendly interface, think about how you can convey your understanding of clean UX design. Bring examples of past projects where you simplified complex processes for users, especially in crypto-related applications.
✨Be Ready for Technical Challenges
Expect technical questions that test your problem-solving skills. Prepare to discuss how you would approach issues like wallet recovery simulations or signing coordination. Showing your thought process will impress the interviewers.