Hire an ExpertHow it WorksBlogFind WorkLog In

Hire expert Blockchain Developers in London, United Kingdom

Post a project and get matched with Blockchain Developers in London, United Kingdom. Matched in 24 hours. No agency fees.

1
Post your project
Takes 3 minutes
2
Meet your expert
Within 24 hours
3
Launch your project
Flexible payment options
+14k more Blockchain Developers on Twine
Syed B.
Blockchain Developer
★★★★★ 5.0
sheeptechnology
Blockchain Developer
★★★★★ 5.0
Jayweb3dev
Blockchain Developer
★★★★★ 5.0

Trusted by 10,000+ companies of all sizes

Netflix logo
Amazon logo
Experian logo
Wix logo
Intuit logo
Avast logo

Available now

Meet the experts behind high growth companies.

Every Blockchain Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.

Available
Blockchain Developer

As Project Manager at Playtech Studios (playtechstudios.com), I led the development of 10+ casino and casual games from concept to launch, collaborating with multidiscipl...

See More
Available
Blockchain Developer

3D Design, 3D Model, Blender

I am a multidisciplinary software engineer specializing in virtual and augmented reality. I am comfortable working on all aspects of immersive software development, in...

See More
Available
Blockchain Developer

3D Model, Blocks UI, Ethereum

I'm an experienced Blockchain Developer based in London, United Kingdom. I specialise in 3D Model, Blocks UI, and Ethereum and enjoy helping teams turn ideas into polishe...

See More
Available
Blockchain Developer

Software Engineer with 4+ years of professional experience across finance and cryptocurrency, with a long-standing interest in startups and early-stage products. I’m incr...

See More
Available
Blockchain Developer

I am Gopinath Emmidisetty, a British citizen with a strong foundation in software development and a track record as a QA leader who builds automation frameworks, ensures ...

See More
Available
Blockchain Developer

I'm Mars Robertson, a Senior Full Stack Engineer with a frontend focus. I specialise in React, Next.js, TypeScript, and modern UI systems, delivering high-quality, perfor...

See More
Available
Blockchain Developer

Hi, I'm Usman Baloch, a Senior Software Engineer specializing in building Web3 and AI applications. With a background as a CTO and founding engineer at several companies,...

See More

We have over 14,500 Blockchain Developers who've worked in many different industries and cover various styles and skillsets.

Start your search

What companies hire Blockchain Developers for

Projects that brands and startups post most often.

MVP build

End-to-end build of a v1 product: front-end, back-end, and deployment.

Build your MVP

AI feature integration

Add LLM-powered features to your product, copilots, semantic search, or summarisation.

Integrate AI

Mobile app

React Native or Flutter app for iOS and Android from your existing spec.

Build your app

Browse related Blockchain Developer roles in London, United Kingdom

Development specialisms and the cross-functional roles you'll often hire alongside.

Other creatives in your area

We've got more than Blockchain Developers in London, United Kingdom

or widen your search to Blockchain Developers in United Kingdom

Reviews

Trusted by companies around the world

Omais is a highly skilled and reliable freelancer who did a fantastic job on my Web App project. I trusted him with complex technical tasks, including working directly within a Windows Server VPS environment, and he handled everything seamlessly. He is professional, efficient, and delivers great results. I highly recommend...

Julio @ Two Brothers Flooring, LLC

Jul 13, 2026

Crystal‑INC was a transformative force in my creative and professional journey. The company brought clarity, structure, and artistic excellence to every project we touched. Their ability to merge luxury editorial aesthetics with precise engineering, corporate discipline, and emotional storytelling is unmatched.Crystal‑INC...

H.E.R1 @ Crystal -INC

Jul 6, 2026

Adam did a phenomenal job building DIMCPrep. He expertly managed the entire development process to deliver a flawless product. We now have a robust platform housing over 1,400 questions that allows candidates to track their progress effectively. His skill and attention to detail turned our vision into a reality, and we are...

Sabrina @ DIMCPrep

Jun 24, 2026

I worked with Daniel as one of our lead engineers on a military FPV drone training simulator built in Unreal Engine 5, a high-stakes project that needed to go from rough prototype to demo-ready in seven weeks for a live demonstration at IITSec 2025. The biggest technical win on the project was the drone flight dynamics...

Robert @ Good Game Devs

Jun 1, 2026

Great experience working with him. I explained what I wanted for my app and he not only got it but exceeded my expectation. The final result was better than what I had in mind. Super easy to work with.

Michael @ MH LLC

May 24, 2026

I had the pleasure of working with Zhenchang and was consistently impressed by his technical expertise, professionalism, and strong sense of ownership. He delivers high-quality, scalable solutions, communicates effectively, and collaborates exceptionally well across teams. Zhenchang is proactive, reliable, and quick to...

Joseph @ Cody Solutions

May 22, 2026

5 star reviews

Clients Rate Twine Blockchain Developers 5.0 / 5.0

on average across 83 reviews

How it works

  1. 1

    Post your project

    3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.

  2. 2

    Meet your expert

    Within 24 hours, you'll see a shortlist of vetted Blockchain Developers matched to your project.

  3. 3

    Launch your project

    Flexible payments on your terms, bill experts directly or use the Twine vault for added security.

How pricing works on Twine

Transparent rates, no hidden markup, and a payment path for every need.

The quote is the number.Nothing added on top.

Agencies bury a 20–40% markup inside the retainer, you never see it. On Twine, you set the price and you see the platform fee as a separate, explicit line. No surprises at checkout.

No hidden markup

Pay direct.0% commission.

Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.

0% off-platform payments

Pay via Vault.Your money is protected.

Funds are held in escrow and only released when you approve the deliverables. If the work isn't right, your money doesn't move. 10% commission on payments up to $10,000, just 5% on anything above.

10% up to $10k · 5% over $10k

Estimate your budget

Pick the role, the experience level and how long you need. We’ll show you what similar projects have cost on Twine. It’s a guide, not a quote.

Your project

Mid-level (3–5 yrs)
2–4 weeks

Estimates only. Actual budget is set by you and agreed with your expert before any work begins.

ESTIMATED RANGE

£4,100 £11,000

How we got here

  • Mid-level day rate: ~£405–£545/day
  • 2–4 weeks = 10–20 working days
  • Range: £4,100–£11,000

Twine vs. the alternatives

Frequently asked questions

Common questions answered before you post a project.

A Blockchain Developer specializes in the development and implementation of blockchain technology. They design and build blockchain protocols, crafting the architecture of blockchain systems and smart contracts. Their responsibilities include:

  • Creating and implementing secure blockchain networks.
  • Developing decentralized applications (dApps).
  • Ensuring the integrity of blockchain data through encryption and consensus algorithms.
  • Collaborating with other IT professionals to integrate blockchain solutions.

These experts are instrumental in industries ranging from finance to supply chain, helping businesses leverage blockchain for enhanced security and efficiency.

Exceptional Blockchain Developers possess a unique blend of technical expertise and soft skills. They are proficient in programming languages such as Solidity, JavaScript, and Python. In addition to technical skills, look for qualities such as:

  • Problem-solving abilities to tackle complex challenges.
  • Adaptability to keep up with rapidly changing technology.
  • Strong communication skills to convey technical concepts clearly.
  • Attention to detail to ensure security and efficiency in blockchain projects.

These attributes help developers deliver high-quality solutions and contribute positively to your project’s success.

Typical day rates for Blockchain Developers in United Kingdom vary by experience level:

  • Junior: 290 - 390 GBP
  • Mid-level: 405 - 545 GBP
  • Senior: 505 - 680 GBP
  • Expert: 625 - 845+ GBP

These are indicative ranges based on Twine project data. Final budgets depend on project scope and are agreed directly with your freelancer.

Estimate your cost using our calculator →

To recognize the perfect Blockchain Developer for your needs, start by assessing their portfolio for relevant projects that demonstrate their skills. Look for developers who have experience in your specific industry or technology stack. Conduct interviews to evaluate their problem-solving approach and communication skills. Additionally, consider their cultural fit with your team and their ability to work collaboratively. Seeking testimonials or reviews from previous clients can also provide valuable insights into their reliability and professionalism.

When interviewing Blockchain Developers, focus on questions that reveal their technical expertise and problem-solving capabilities. Key questions include:

  • Can you explain the difference between public and private blockchains?
  • What experience do you have with smart contracts and how have you implemented them?
  • How do you ensure the security of a blockchain application?
  • Can you describe a challenging project you worked on and the solutions you implemented?
  • What are your preferred tools and technologies for blockchain development?

These questions will help you gauge their proficiency and suitability for your project.

Hiring a Blockchain Developer in London involves a few strategic steps. Start by defining your project requirements, including the specific skills and experience needed. Next, consider using platforms like Twine to access a vast pool of freelance talent. Post your job listing with clear objectives and expectations. Networking within local tech communities can also yield recommendations. Remember to review portfolios and conduct thorough interviews to assess technical skills and cultural fit before making a decision.

The choice between hiring a freelance Blockchain Developer and working with an agency depends on your project requirements. Freelancers often provide personalized attention and flexibility, allowing for direct communication and potentially lower costs. However, agencies typically offer a team of professionals with diverse skills, providing a broader range of expertise and resources. Agencies may also have established processes for project management and delivery. Consider your project scope, budget, and timeline when making this decision.

A well-crafted project brief or job description for a Blockchain Developer should include the following elements:

  • Project overview and objectives.
  • Required technical skills and programming languages.
  • Experience level and specific blockchain technologies needed.
  • Timeline and budget constraints.
  • Details about team dynamics and communication preferences.

This clarity will attract qualified candidates who align with your project needs and expectations.

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted Blockchain Developers and invite those who match your needs.
  3. Receive proposals and compare experience, pricing, and reviews.
  4. Communicate expectations, set milestones, and finalize the hire.
  5. Securely pay through Twine, ensuring protection for both parties. Twine connects you with top freelance Blockchain Developers, making it easy to find the perfect creative professional for your project.

Ready to hire your next Blockchain Developer?

Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.

Browse experts