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Blockchain Experts

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Hire experts who design smart contracts, build decentralized applications and connect blockchain networks with existing systems. FRATCH matches you quickly and precisely with vetted, available freelancers for your project.

Meet FRATCH Experts who have recently used Blockchain

Verified expert

Sergei M.

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Program Manager / Program Lead (Contractor)

Kaarst
Sergei M.

Last position:

Interim Program Manager at parcIT

Time-limited interim assignment filling a vacant program leadership position: joint leadership of a complex software project and orchestration of several agile teams (business, development, and DevOps teams), as well as actively driving change processes.

  • Program Management & Planning: Responsibility for creating and updating milestone, resource, and budget plans to ensure project objectives using agile and hybrid methods.
  • Cross-functional Collaboration: Promoting cooperation and knowledge sharing across teams; resolving blockers through proactive conflict management and targeted facilitation.
  • Stakeholder Management & Transparency: Ensuring transparent and audience-appropriate communication within and outside the project organization using modern project management tools.
Verified expert

Christian F.

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IT Project Implementer (Problem Solver)

Buxtehude
Christian F.

Last position:

Department Head (Interim) at Municipal utilities and transport company

  • Defined and established the areas of responsibility
  • Built a governance model for the department and its areas of responsibility
  • IT strategy, project management, process management, and quality and sustainability management
  • Developed a communications strategy for the group
  • Created the IT strategy
  • Designed templates, guidelines, and processes for consistent ways of working
  • Recorded strategic guidelines and grouped ongoing projects – derived a roadmap for strategic planning
  • Reviewed ongoing projects
  • Prepared staffing calculations and capacity planning
  • Defined job profiles
Verified expert

Alexandra H.

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Senior Marketing Leader with 15+ years of experience in financial services, ETFs/ETPs, fintech, and digital assets across Europe

Alexandra H.

Last position:

Marketing Manager - Europe at Bitwise formerly ETC Group

  • Built and drove the European marketing function during the company's market expansion, establishing processes that improved campaign efficiency and cross-market alignment.
  • Supported the go-to-market strategy for 14 crypto ETP/ETF products across multiple European markets, contributing to successful listings and early investor awareness
  • Developed and executed marketing strategies across key European markets, including DACH, the UK, France, Italy, Spain and the Nordics, driving growth in brand visibility, investor engagement and investor acquisition.
  • Led PR activities: coordinated with a European PR agency, managed press releases, and expanded media exposure, increasing share of voice and securing coverage in top tier outlets.
  • Delivered integrated digital marketing campaigns that increased website traffic, boosted content engagement, and drove a consistent uplift in qualified inbound leads.
  • Drove audience growth and user acquisition across LinkedIn and owned channels, significantly increasing newsletter subscriptions and strengthening recurring engagement with educational content.
  • Managed the European marketing budget and identified cost-efficient advertising and influencer opportunities, improving overall campaign ROI.
  • Organised and executed the company's participation at major European blockchain and finance events, enhancing visibility and strengthening institutional relationships.
  • Created annual digital and content plans; coordinated research based educational materials that improved investor understanding and supported conversion.
  • Strengthened brand presence and credibility in key markets through consistent messaging, education, and multi-channel execution.
Verified expert

Naveed M.

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Frontend Software Developer

Nürnberg
Naveed M.

Last position:

Senior frontend developer at freelancer

Built charts for historical data, alarms, and downtime, plus enhanced interactive tables to efficiently track and compare oil-well performance. Eliminated 80% of high/medium security risks (Checkmarx) for the app. Optimized charting libraries, cutting usage from to 300–400MB for large data sets.

Verified expert

Thomas Ü.

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Innovative Fintech & Blockchain Leader · Head Of Engineering

Berlin
Thomas Ü.

Last position:

Head of Engineering - Midnight at IOG / Midnight

IOG (IOHK), is one of the world's pre-eminent blockchain infrastructure research and engineering companies.

  • Converted a lingering R&D project into a cohesive, production-ready testnet; built and scaled the 35-member engineering team (Core, QA, SRE) to achieve this goal.
  • Defined strategic direction and aligned technology development with business objectives as a key member of the leadership.
  • Optimized software development processes and implemented agile methodologies, enhancing operational efficiency and code security.
  • Delivered projects in a fast-paced startup environment through effective project management and resource allocation.
Verified expert

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Service Contact Person (Single Point of Contact)

Bad Kreuznach

Last position:

Service Contact Person (Single Point of Contact) at waveIT GmbH

  • Supports ICT project and program management across all project phases in a life sciences major project (volume approx. €3.5 billion).
  • Supporting technical design.
  • Managing RFI and change control processes.
  • Continuous coordination of installation teams during construction and integration.
  • Quality assurance of ICT systems.
  • Evaluation of external planning documents and identification of optimization potentials.
  • Coordinating with stakeholders to ensure Acceptance for Construction (AFC).
Verified expert

Ayusee S.

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Intern

Regenstauf
Ayusee S.

Last position:

Intern at Schaeffler

  • Built a Trend-Scouting AI system to automate technology intelligence in power electronics and semiconductors, combining Azure OpenAI with LangChain, Scrapy-based web crawling for structured, noise-free data acquisition, and automated PDF reporting for internal R&D use. Developed a FastAPI-based (Uvicorn) web application to validate LLM outputs, test prompt strategies, and enable interactive system evaluation.
  • Developed a real-time STM32 binary telemetry debugger with a PyQt-based GUI, featuring header-based frame synchronization, anomaly detection, template-driven payload decoding, time-aligned buffering, and live signal visualization.
  • Developed an AI-driven power inductor designer using surrogate regression models for accurate electromagnetic and thermal prediction. Integrated multi-objective NSGA-II optimization to generate efficient, manufacturable designs.
Verified expert

Raphael M.

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Founder / Quant Developer

Berlin
Raphael M.

Last position:

Founder / Quant Developer at Market Maker

  • Crypto quant strategy development, automated trade execution, onchain data client (Ethereum / Solana)
  • Data and trade architecture development for liquidity provision
Verified expert

Marcus B.

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Business Analyst & Project Manager Process Management IT Telecom Systems

Berlin
Marcus B.

Last position:

Business Analyst & Project Manager Process Management IT Telecom Systems at Stadtwerke Bochum

  • Led the realignment and positioning of the 'Connect' sector as a company-wide fiber-optic business
  • Oversaw the architectural redesign of the system infrastructure, including process and staff structure optimization
  • Designed and implemented a comprehensive modernization strategy for the IT and telecommunications systems
  • Managed stakeholder relationships to ensure alignment between business goals and technological implementations
Verified expert

Martin Z.

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Managing Director

Hamburg
Martin Z.

Last position:

Managing Director at Noorder Partners GmbH

  • Leading strategic initiatives focused on delivering exceptional results from initial project phases, ensuring optimal execution and stakeholder satisfaction across deeptech and interim decision management portfolios.
  • Driving business development and client relationships across digital transformation and innovation projects, expanding market presence and revenue streams.
  • Establishing operational frameworks and quality standards to maintain excellence in service delivery and organizational performance.
  • Managing company resources, budgets, and strategic partnerships to achieve sustainable growth and long-term viability.
Verified expert

Levent Ö.

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Senior Expert Transformation & Change Management

Duisburg
Levent Ö.

Last position:

Senior Expert Transformation & Change Management at STC Services (Freelancer in cooperation)

  • Developed an IT governance and oversight framework aligned with DORA requirements
  • Coordinated and trained external service providers
  • Optimized financial processes and performance
Verified expert

Raphael V.

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Tech- / Team Lead / Architect / Engineer

Hamburg
Raphael V.

Last position:

Tech- / Team Lead / Architect / Engineer at Freelance IT Consultant

  • Independent Software Engineer focusing mainly on complex backend architectures.
Verified expert

Athanasios S.

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Digital Transformation / Due Diligence / AI Orchestration

Munich
Athanasios S.

Last position:

Senior Manager at valantic Management Consulting

  • Led bankable technical and commercial due diligences and IT carve-outs across hospitality, TIC energy, SaaS, and FMCG
  • Conducted comprehensive IT assessments for mid-market companies across the DACH region
  • Created pitch decks and sales materials driving new client acquisition in large-cap transactions
  • Managed customer-facing projects with complex stakeholder landscapes, providing CIO support in project management, portfolio management, and coaching
Verified expert

Tymofii S.

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Senior Java Developer / Architect

Karlsruhe
Tymofii S.

Last position:

Senior Backend Developer at Medavis

  • Developed backend features for Modern RIS, a web-based Radiology Information System integrated with the existing Classic RIS via WebView.
  • Worked on a modular Spring Boot backend covering clinical workflows such as appointments, examinations, patients, orders, reporting, billing, and inventory.
  • Contributed to event-driven architecture using domain events to decouple workflows across backend modules.
  • Implemented REST/OpenAPI endpoints, service-layer business logic, DTO mapping, validation, and integration points for the React frontend.
  • Worked with PostgreSQL-backed domain models, Liquibase database changes, read/write model separation, and legacy RIS database structures.
  • Integrated authentication and authorization flows using Keycloak and OAuth2.
  • Added and maintained unit/integration tests using JUnit, Rest Assured, Testcontainers, and project-specific test utilities.
  • Supported CI/CD and local development workflows using Maven, Docker Compose, Jenkins, and generated OpenAPI clients.

Tech stack: Java 21, Spring Boot 3.5, Maven, PostgreSQL, Liquibase, Keycloak, OAuth2, REST, OpenAPI/Springdoc, MapStruct, Lombok, Docker, Testcontainers, Jenkins.

Discover over 15,000 top freelancers

Statistics of experts using Blockchain

Aggregated from the professional profiles of matched freelancers.

Experience

18 years

Blockchain experts have 18 years of professional experience on average.

Position duration

2.6 years

Blockchain experts stay in a single position for 2.6 years on average.

Positions per freelancer

11

Blockchain experts have completed 11 positions on average over the course of their careers.

Top business areas

Information Technology, Product Development, Project Management

Blockchain experts have gathered most of their hands-on project experience in Information Technology, Product Development, and Project Management.

Top industries

Information Technology, Banking and Finance, Professional Services

Blockchain experts are most in demand in Information Technology, Banking and Finance, and Professional Services.

Certification focus areas

Information Technology, Project Management, Product Development

Blockchain experts earn their certifications most often in Information Technology, Project Management, and Product Development.

Bachelor's degree or higher

97%

97% of Blockchain experts hold at least a Bachelor's degree.

Master's degree or higher

65%

65% of Blockchain experts hold at least a Master's degree.

Doctorate

9%

9% of Blockchain experts have a doctorate (PhD).

Certifications per freelancer

3

Blockchain experts hold 3 professional certifications on average.

Most common languages

German, English, French

Blockchain experts most often speak German, English, and French.

Speak two or more languages

97%

97% of Blockchain experts speak two or more languages.

Based on our profile pool as of 26 Sep 2026.

Daily rate distribution

0% 25% 50% 75% 100%
3% of Blockchain experts charge less than €400 per day.
28% of Blockchain experts charge between €400 and €800 per day.
50% of Blockchain experts charge between €800 and €1200 per day.
19% of Blockchain experts charge between €1200 and €1600 per day.
1% of Blockchain experts charge €1600 or more per day.
<€400 €400-​800 €800-​1200 €1200-​1600 €1600+

The chart shows how the daily rates of experts in this technology are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.

Average rates of experts using Blockchain

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 879 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 26 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Blockchain experts industry focus

See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.

  • Information Technology (95%)
  • Banking and Finance (61%)
  • Professional Services (47%)
  • Manufacturing (33%)
  • Retail (33%)
  • Automotive (31%)
  • Telecommunication (29%)
  • Healthcare (28%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

Distributed foundations

Blockchain is a shared ledger that records transactions across a distributed network instead of relying on one central database. Cryptographic signatures, consensus mechanisms and replicated data help participants verify changes and maintain a consistent history. Depending on the design, a network can be public, permissioned or private.

What it builds

Companies use blockchain for digital assets, tokenized ownership, traceable supply chains and automated agreements. It can support decentralized finance, identity systems, payments, gaming economies and document verification when multiple parties need a common source of truth.

  • Smart contracts for automated business rules
  • Decentralized applications with wallet access
  • Tokenization and digital asset management
  • Verifiable records across business networks

Ecosystem and tooling

The ecosystem includes Ethereum, Bitcoin, Solana, Polkadot and permissioned technologies such as Hyperledger Fabric. Specialists work with Solidity, Rust, Go, JavaScript and related web3 libraries, wallets and node infrastructure. They also use testing frameworks, block explorers, indexing services and security analysis tools.

When expertise matters

Blockchain projects need specialist input when trust must span organizations, transactions require auditability or programmable ownership creates a clear advantage. Companies often bring in freelance expertise for a protocol assessment, proof of concept, smart contract delivery, network integration or a security review.

  • Several parties need shared records without one owner
  • Existing systems must connect to wallets or networks
  • A token model needs technical and operational validation
  • Smart contracts require independent testing before release

Skills beyond the chain

Strong professionals understand more than ledger code. They connect smart contracts to APIs, databases, cloud infrastructure and user interfaces, while considering key management, privacy, performance and regulatory constraints. Experience with cryptography, distributed systems and secure software delivery is valuable for production work.

Judging quality

Look for specialists who can explain why a blockchain is suitable instead of forcing every problem onto a distributed network. Review deployed contract code, test coverage, threat models and upgrade plans. Clear documentation should describe transaction flows, failure handling, permissions and how users recover from operational mistakes.

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Frequently asked questions

Quick answers to the questions that come up most around Blockchain.

Blockchain is used to share tamper-evident records between organizations, automate agreements through smart contracts and represent digital assets. Common applications include payments, supply-chain traceability, identity verification, tokenization and decentralized applications.

Blockchain distributes transaction validation and maintains a shared history across participating nodes. A traditional database is usually faster and simpler when one trusted organization controls access, so the right choice depends on governance, auditability, privacy and coordination needs.

Blockchain is often compared with centralized databases, distributed databases, traditional payment rails and managed ledgers. A specialist should assess whether shared control, verifiable history or programmable transactions justify the additional operational complexity.

A strong Blockchain professional may also work with Solidity or Rust, smart contract testing, cryptography, cloud infrastructure, APIs and web3 user interfaces. Knowledge of wallet security, key management, indexing and threat modeling is important for production systems.

The required level depends on the risk and scope of the work. A proof of concept may need focused smart contract and integration skills, while systems handling valuable assets require a professional who can lead architecture, security reviews, audits and production operations.

Blockchain work is often suitable for remote collaboration because code, test networks and documentation can be shared online. Teams should define repository access, wallet procedures, review responsibilities, meeting overlap and secure handling of signing keys before work begins.

Ask the professional to explain the trust model, threat assumptions and reasons for selecting a specific network. For Blockchain delivery, review test coverage, audit findings, deployment controls, upgrade mechanisms and documentation for transaction failures.

Blockchain may be unsuitable when a single party already owns the data, transactions must remain fully private or a conventional database can meet the requirements more efficiently. A credible specialist will identify those limits and recommend a simpler design when appropriate.

The average hourly rate of freelancers who have used Blockchain in their recent projects is 110 €, which corresponds to a daily rate of about 879 € based on an 8-hour working day.

Of the freelancers who have used Blockchain in their recent projects, 97% hold at least a Bachelor's degree, 65% hold at least a Master's degree, and 9% hold a doctorate.

On average, freelancers who have used Blockchain in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2.6 years.

The most common languages among freelancers who have used Blockchain in their recent projects are German (98%), English (95%), and French (21%).

The most common industries among freelancers who have used Blockchain in their recent projects are Information Technology (95%), Banking and Finance (61%), and Professional Services (47%).

The most common business areas among freelancers who have used Blockchain in their recent projects are Information Technology (89%), Product Development (87%), and Project Management (70%).

Main locations of FRATCH Experts, who have recently used Blockchain

Our freelancers and interim experts are at home all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.

Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg

In Austria our freelancers and interim experts support companies from Vienna to Graz — on-site where your project needs them, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.

Vienna Graz

Across Switzerland our specialists are active in Zurich, Geneva, Basel and Bern — working on-site or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.

Zurich Geneva Basel Bern

Countries:

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