Get up to $1,000 off* your first hire - Use code FIRSTHIRE at payment
*First-time clients only. 10% fee waived on first project ($500-$10,000 spend). Discount applies to Twine Vault payments only.

Hire expert blockchain developers in Bulgaria

Post a job for free and connect with diverse blockchain developers
1
Post your project for free
2
Hire top quality blockchain developers
3
Join over 5,000 companies using us
Hire a blockchain developer
Trusted by 5000+ companies of all sizes
Netflix logo
Experian logo
Avast logo

Loading name

Loading location
Loading roles
Loading bio

Loading name

Loading location
Loading roles
Loading bio
Woman holding a megaphone

Loading name

Loading location
Loading roles
Loading bio
We have over 14,500 blockchain developers who've worked in many different industries and cover various styles and skillsets.
Start your search

Trusted by companies around the world

"Daniel Koh was a pleasure to work with. As a senior engineer in Solana, he demonstrated deep expertise and professionalism. I highly recommend him and would gladly collaborate again."
Louis @ Elm Tech
Feb 1, 2026
"Kazunari delivered everything faster than expected. Very skilled React developer who understands modern frontend patterns for Chatbot and Dashboard KPI’s. Flexible with feedback and easy to collaborate with"
James @ Self Employeed
Jan 21, 2026
"Tomoya Nakano was great to work with. He understood my requirements exactly and all work was delivered on time."
Bajram @ Useni Co Ltd
Jan 20, 2026
"victor is a very great person to work with and i will work with him again and again if you will permit me i will give me 5 shining star"
victor @ shopify
Dec 22, 2025
"Working with Pandi was a game-changer. The Galaxy Quest Game exceeded our expectations with smooth gameplay and stunning graphics. Highly recommend for any gaming project."
Samuel @ PixelWorks Ltd
Dec 20, 2025
"Steven delivered exceptional work on our AWS Connection project involving extensive Node.js integration. From the start, he demonstrated strong technical expertise, quickly understanding the system architecture and identifying the best approaches to implement and optimize our cloud workflows. His communication was clear..."
Read more
Joe @ Aiseed technology Inc
Dec 6, 2025
"Working with Twine enabled us to scale projects quicker than before and the Twine Business makes it so easy to manage and pay contractors over the world."
-Josh Bolland
CEO, J B Cole
"I found an amazing designer and she's fast. I now send her my ideas and she transforms them into great design. The collaboration is fast, professional and easy. It feels like she is already part of our team."
Headshot of Achim Kohli
-Achim Kohli
CEO, Legal-i

How we work

1

Post your project for free

This only takes 3-5 minutes and choose how you want your experts to contact you.
2

Matched to expert talent

Within days, we'll introduce you to the right expert for your project. Average time to match is under 24 hours.
3

Hire securely and fast

You can choose Twine to manage your payments securely or use your own payment system for free.
Post your project

Why businesses
rely on Twine's
freelancer network

Free to post a job

Post a project or job with no upfront cost. Twine's success based pricing is cheaper than any recruiter.

Global reach

We have a global community of over 400,000+ freelancers from 190+ countries.

Speed

Receive pitches as soon as your job is approved by our internal team.

Secure payments

Make payment to hire a freelancer, release funds only once the project is delivered.

Hire freelance experts

Our freelancer experts have skills in thousands of different software tools and hardware.
Post a project
Apple
Blender Icon
Cinema 4D logo
Webflow
Apple
Blender Icon
Cinema 4D logo
Webflow
AWS
Procreate Icon
React
AWS
Procreate Icon
React
Shopify
PHP
Adobe
VSCode
Shopify
PHP
Adobe
VSCode

Choose Your City

See which of Twine's top rated Animators are near you
Or widen your search to global blockchain developers

From the blog

Frequently Asked Questions

What does a Blockchain Developer do?

A Blockchain Developer is a specialized software engineer focused on developing and optimizing blockchain protocols, crafting smart contracts, and building decentralized applications (dApps). Their responsibilities typically include:

  • Designing and implementing blockchain architecture.
  • Creating smart contracts that govern transactions.
  • Integrating blockchain technology with existing systems.
  • Conducting security assessments and audits of blockchain solutions.
  • Staying updated on industry trends and technologies.

Blockchain Developers work with various platforms like Ethereum and Hyperledger and are crucial for businesses looking to leverage blockchain for increased security, transparency, and efficiency.

How to Hire a Blockchain Developer in Bulgaria?

Hiring a Blockchain Developer in Bulgaria involves several key steps. First, clearly define your project requirements, including the technology stack and deliverables. You can post your job on platforms like Twine, where you can reach a pool of talented professionals. Leverage local networks and tech communities to find recommendations. Be specific about the skills you need, such as experience with smart contracts or cryptography. Finally, conduct thorough interviews to assess candidates' technical abilities and cultural fit.

How much does it cost to hire a Blockchain Developer in Bulgaria?

The cost of hiring a Blockchain Developer in Bulgaria varies based on experience level:

  • Beginner: BGN 1,500 - BGN 2,500 per month
  • Junior: BGN 2,500 - BGN 4,000 per month
  • Mid-level: BGN 4,000 - BGN 6,500 per month
  • Senior: BGN 6,500 - BGN 10,000 per month
  • Expert: BGN 10,000+ per month

These ranges can fluctuate based on demand, specific skill sets, and project complexity.

What qualities set exceptional Blockchain Developers apart from the rest?

Exceptional Blockchain Developers possess a blend of technical skills and personal attributes that distinguish them in the field. Key qualities include:

  • Strong understanding of cryptography and security protocols.
  • Proficiency in various programming languages, such as Solidity and JavaScript.
  • Problem-solving skills to tackle complex challenges.
  • Ability to work collaboratively in teams and communicate effectively.
  • Continuous learning to stay ahead in a rapidly evolving landscape.

These attributes enable them to deliver high-quality, innovative solutions that meet client needs.

How do you recognize the perfect Blockchain Developer in Bulgaria for your needs?

To identify the perfect Blockchain Developer for your project in Bulgaria, start by assessing their technical expertise and relevant experience. Look for a strong portfolio showcasing similar projects, particularly in your industry. Conduct interviews focusing on problem-solving skills and their approach to challenges. Additionally, consider their communication style and ability to work with your team. Client reviews and references can provide insights into their reliability and work ethic. Ensure they align with your project’s vision and culture.

What are the key questions to ask in a Blockchain Developer interview?

When interviewing a Blockchain Developer, ask questions that gauge their technical knowledge and problem-solving abilities, such as:

  • Can you explain the differences between various blockchain platforms?
  • What is your experience with smart contracts and dApps?
  • How do you ensure security in blockchain applications?
  • Can you describe a challenging blockchain project you worked on?
  • How do you stay current with blockchain trends and technologies?

These questions will help you assess their competence and fit for your project.

What’s the difference between hiring a freelance Blockchain Developer and working with an agency in Bulgaria?

Hiring a freelance Blockchain Developer offers flexibility and often lower costs, as freelancers typically have lower overhead than agencies. You can directly negotiate terms and have a one-on-one working relationship. However, working with an agency provides access to a team of experts with diverse skills and resources. Agencies often have established processes for project management and quality assurance, which can lead to faster delivery and reduced risk. Your choice should depend on your project’s complexity, budget, and timeline.

What should be in a Blockchain Developer project brief/job description?

A comprehensive project brief for a Blockchain Developer should include:

  • A clear project overview outlining objectives and goals.
  • Specific technical requirements, including desired programming languages and frameworks.
  • Timeline and milestones for deliverables.
  • Budget range and payment structure.
  • Information on your company and team culture to attract the right candidates.

This clarity will help potential candidates understand your needs and determine if they are a good fit.

How do I hire a Blockchain Developer in Bulgaria on Twine?

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.

Hire expert blockchain developers with Twine

Get Started
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture
A freelancer profile picture