S-PRO blockchain developers bring solid expertise in crypto exchanges, digital asset platforms, and secure financial solutions. Whether it’s a trading app, a crypto exchange, or a banking platform, we have the right people to make it happen.
Expertise
Alex N.
Primary Stack: Solidity, TypeScript, React
Secondary Stack: Rust, Node.js, PostgreSQL
Experience: 5+ years in blockchain app development
Location: Poland
From a curious software engineer to a dedicated blockchain developer, he found his passion in crypto early on. Starting with smart contract development, he quickly moved into building full-scale blockchain applications. At S-PRO, he contributed to Zondacrypto, a mobile app for one of Europe’s largest crypto exchanges, serving over a million users. His work focused on integrating secure transactions and fiat-to-crypto exchanges, ensuring traders could operate with confidence. Always staying ahead, he now specializes in DeFi solutions and Web3 integrations.
Ronny D.
Primary Stack: Go, Python, React
Secondary Stack: Kubernetes, PostgreSQL, Web3.js
Experience: 6+ years in crypto trading platforms
Location: Switzerland
A dedicated crypto developer with a knack for building robust financial systems. He started his career in fintech, later diving deep into blockchain-based payment solutions. At S-PRO, he played a key role in developing CoinMENA, a regulated crypto exchange platform for the MENA region. His focus? Secure asset management and user transactions, compliance-driven architecture. With a sharp eye for crypto regulations and an obsession with security, he ensures that digital assets remain safe.
Artem V.
Primary Stack: Hyperledger Fabric, Java, PostgreSQL
Secondary Stack: Docker, Kafka, Corda
Experience: 7+ years in enterprise blockchain solutions
Location: Ukraine
With a background in backend engineering, he transitioned into blockchain when Hyperledger started gaining traction in finance. His expertise lies in designing secure, enterprise-grade blockchain infrastructures. At S-PRO, he contributed to a Swiss digital asset bank, developing an e-banking platform that bridges traditional finance with blockchain technology. His role involved building permissioned networks for regulatory compliance, ensuring seamless interactions between crypto assets and fiat banking systems. Passionate about financial innovation, he continuously explores new ways to bring blockchain into the banking world.
Hire Skilled Blockchain Developers for Such Services
Custom Blockchain Solutions
Need a blockchain built to fit your business? Our developers design private and public blockchain networks tailored to industries like finance, healthcare, and logistics. We’ve helped crypto exchanges and digital banks create secure, high-performance solutions that scale.
Smart Contract Development
Smart contracts power DeFi, NFTs, and automated financial transactions. Our team builds and audits Solidity-based contracts, ensuring they execute flawlessly. We’ve worked on smart contracts for crypto trading platforms, making transactions faster and more secure.
Cryptocurrency Wallet Development
A crypto wallet isn’t just a place to store coins – it’s a gateway to digital finance. Think MetaMask for DeFi users or Trust Wallet for multi-chain support. We develop multi-currency wallets with security features like private key encryption and biometric authentication. One of our wallets is used by over a million traders, handling transactions in 50+ currencies.
NFT and DeFi Platform Development
Think of OpenSea, where people trade digital collectibles, or Aave, where users lend and borrow without banks. At S-PRO, we build platforms like these, tailored to specific needs. Want to create an NFT marketplace for artists? Or maybe a DeFi protocol for yield farming? We handle smart contracts, liquidity pools, and gas fee optimizations, making sure users don’t get stuck with high transaction costs or slow networks.
Supply Chain and Logistics Solutions
Lost shipments, fraud, and delays cost businesses billions. Platforms like IBM Food Trust use blockchain to track goods from farm to table. We develop similar solutions for logistics companies, manufacturers, and retailers – so every product’s journey is verifiable, from production to delivery. No more guessing where your shipment is.
Crypto Banking and Stablecoin Solutions
Traditional banks move like cargo ships – slow, heavy, and stuck with outdated systems. Meanwhile, blockchain-based banks, like Sygnum, offer instant transactions, asset tokenization, and global reach. S-PRO helps financial institutions bridge that gap. We develop platforms where users can store digital assets, transfer stablecoins like USDC, and even integrate fiat-to-crypto payments. Whether it’s a licensed digital asset bank or a new stablecoin project, we focus on security, compliance, and ease of use – because no one likes a complicated banking app.
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Technology stack
Technologies S-PRO Blockchain Developers Are Proficient In
NEM is built for businesses that need fast, secure transactions without complex smart contracts. Its Smart Asset System helps track supply chains, manage financial transactions, and protect sensitive data. Banks, logistics firms, and fintechs rely on it to automate operations.
NEM
Symbol takes NEM’s foundation and upgrades it for enterprise use. It enables businesses to issue tokens, automate transactions, and integrate blockchain into their workflows. Financial services, insurance companies, and corporations use it to simplify digital transactions.
Symbol
Solidity is the go-to language for building smart contracts on Ethereum. It powers DeFi apps, NFT marketplaces, and DAOs, making automated, trustless transactions possible. Exchanges, lending platforms, and blockchain startups use it to create secure financial applications.
Solidity
Bitcoin is the backbone of digital payments. Platforms like Strike use it for instant remittances, while Cash App lets users easily buy, sell, and send BTC. At S-PRO, we build Bitcoin-based solutions for payments, trading, and secure asset storage.
Bitcoin Platform
Corda is designed for businesses that need privacy and compliance. Banks, insurance providers, and trade finance companies use it for direct, secure transactions. Its smart contracts ensure transparency while keeping sensitive data private and off public networks.
Corda
Hyperledger powers private blockchain networks where trust and security matter. Banks use it for digital identity, Walmart tracks food supply chains with it, and healthcare firms secure patient records. S-PRO develops Hyperledger solutions for businesses that need control over their data and do not want to rely on public blockchains.
Hyperledger
Polygon enhances Ethereum by making transactions faster and cheaper. It’s widely used in DeFi, blockchain gaming, and NFT marketplaces. By reducing congestion and lowering costs, it allows platforms to scale without sacrificing speed or security.
Polygon
Binance is an entire ecosystem. Binance Smart Chain (BSC) runs PancakeSwap, powers countless DeFi apps, and attracts projects looking for low fees and high speed. S-PRO helps businesses launch BSC-based platforms for trading, lending, and tokenization, making crypto accessible to millions.
Binance
Schedule Your Blockchain Consultation with Experts
Building a blockchain solution takes more than just code – you need the right people to guide the process.
Michael Barskyi
Head of S-PRO Switzerland
Before stepping into IT, Michael spent over a decade in banking. Now, he helps businesses shape digital solutions, whether it’s launching a fintech product or setting up a crypto platform. His focus? Strategy, compliance, and market-driven blockchain adoption.
Dustin Schulze
Senior Business Analyst
A dedicated business analyst with a strong track record in cryptocurrency projects. Dustin turns ideas into structured plans, mapping out user flows, data models, and technical requirements.
Dmytro Voitekh
CTO
With 10+ years in IT, Dmytro leads cutting-edge projects in AI, blockchain, and hyperledger-based solutions. He runs feasibility studies, architects scalable systems, and ensures tech stacks match business goals. His expertise keeps blockchain projects future-proof.
Michael Barskyi
Head of S-PRO Switzerland
Before stepping into IT, Michael spent over a decade in banking. Now, he helps businesses shape digital solutions, whether it’s launching a fintech product or setting up a crypto platform. His focus? Strategy, compliance, and market-driven blockchain adoption.
Dustin Schulze
Senior Business Analyst
A dedicated business analyst with a strong track record in cryptocurrency projects. Dustin turns ideas into structured plans, mapping out user flows, data models, and technical requirements.
Dmytro Voitekh
CTO
With 10+ years in IT, Dmytro leads cutting-edge projects in AI, blockchain, and hyperledger-based solutions. He runs feasibility studies, architects scalable systems, and ensures tech stacks match business goals. His expertise keeps blockchain projects future-proof.
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Building a blockchain solution takes more than just code – you need the right people to guide the process.
Why Hire S-PRO Blockchain Developers
01
Experienced and Handpicked Talens
Our team is built around senior blockchain developers. The minimum level? Middle+, with at least 4 years of hands-on blockchain experience. Every hire goes through a rigorous vetting process to make sure they have the skills and mindset needed to deliver top-tier solutions.
02
On Time and Within Budget
Blockchain projects can get expensive fast – unless you plan right. We focus on clear estimates, structured roadmaps, and efficient execution. No overpromising, no runaway costs. Just a well-managed development process that keeps both timelines and budgets in check.
03
Transparent Project Progress
No guesswork, no black-box development. We keep you in the loop with regular updates, milestone reviews, and direct access to the team. Whether it’s a sprint demo or a status report, you’ll always know where your project stands and what’s coming next.
04
Convenient Time-Zone
No more time zone headaches. With offices in Switzerland, R&D centers in Poland and Ukraine, and representatives in the USA and the Netherlands, we work across multiple regions. Whether you need early-morning standups or late-evening check-ins, we adjust to your schedule.
Cases studies
- Featured
- New
- Other
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FAQ
What are the engagement models to hire blockchain developers?
At S-PRO, we keep things flexible. Need a full blockchain team? We can handle the entire project. Already have developers but need extra hands? Our team augmentation model fills the gaps. Looking for a single expert? We provide dedicated blockchain developers on an outstaffing basis. And if you need top-level guidance, our CTO-as-a-service helps with blockchain strategy and architecture.
What types of projects can S-PRO developers build?
S-PRO’s dedicated blockchain developers build crypto wallets, DeFi platforms, blockchain payment systems, and supply chain solutions. Whether it’s an NFT marketplace like OpenSea, a DeFi lending platform, or an enterprise blockchain for financial services.
What projects have you successfully developed?
We’ve built blockchain solutions that power real businesses:
- Zondacrypto, one of Europe’s largest crypto exchanges that runs a mobile trading app serving over 1M users.
- CoinMENA, a regulated exchange in the MENA region.
- A private blockchain solution for financial institutions (NDA).
…and more projects under development & NDA. Our crypto developers know how to handle complex blockchain architectures.
Does blockchain mean crypto only?
Not really. While blockchain app developers build crypto exchanges and DeFi platforms, they also develop enterprise solutions. Banks use blockchain for fraud prevention, logistics companies track shipments, and governments secure digital identities
How long does it take to hire a blockchain developer?
It depends on your specific requirements and our current availability. If the right specialist is already in our network, you can onboard a blockchain developer in a few days. If we need to recruit a highly specialized expert, expect anywhere from one to four weeks. Either way, we move fast without cutting corners.
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Get in touch
Ready to discuss your project?
Share your ideas, findings, and questions with us. We’re excited to extend our expertise to your project. After form submission, we’ll respond you within 24h.
- Drop us a line: hi@s-pro.io
- Contact us: +41 79 535 63 77
R&D centers
Zug, Switzerland (HQ)
Dammstrasse 16, 6300
Zurich, Switzerland
Hardturmstrasse 161, 8005
Lodz, Poland
Zachodnia 70, 90-403
Lviv, Ukraine
Heroiv UPA 71, 79000
Kyiv, Ukraine
Verkhnii Val St, 24, 04071
Business representatives
Salt Lake City, USA
Kiln SLC, 26 S Rio Grande St, UT 84101
Austin, USA
11801 Domain blvd., 3rd Fl, Austin, TX 78758
Amsterdam, Netherlands
Science Park 608, 1098 XH