Smart Contract Development Services

Setting standards in the industry, we develop craft fail-proof smart contracts for businesses across sectors and help startups fill their expertise gaps

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Our Expertise

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    Being on the list of the top Dubai & Miami Blockchain development companies, Interexy offers specialized resources for each and every project. You get qualified experts with relevant experience in blockchain development & audit, allowing you to get only top-notch results. Learn more
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    Blockchain in Healthcare Industry
    Helping companies scale their business and achieve higher safety, our niche-down specialists have in-depth knowledge and expertise in adding blockchain technology into the healthcare industry. Learn more
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    Being a Sandbox partner and a development team for Lil Durk NFT drop, NFT space is our core focus. Whether you need to organize the whole process, create valuable connections or drop your NFT, we can realize any idea. Learn more
Our Expertise

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Five Years of Success

Interexy is a trusted app & web development agency that has already established its name in the development world. With a core focus on blockchain, healthcare, NFT and Fintech, we offer innovative & custom solutions for every client’s success.

Qualified developers
Blockchain projects
Digital products built
Combined years of experience

Our clients

Benefits Of
Smart Contracts

Use the power of smart contracts to boost transparency, automate the execution of operations, reduce costs while reaping benefits from the following capabilities


Since smart contracts are developed and implemented using blockchains, they get some of the key blockchain’s properties – becoming immutable. It means a smart contract cannot be altered, changed and no one can break it


By allowing partners on a blockchain to create all the framework conditions for their relationships, smart contracts provide greater transparency. Since they are stored on a shared blockchain ledger, they cannot be removed


Smart contract code is triggered automatically by an on-chain transaction, with immediate execution of the contract when the rules are met. This reduces the need for any escrow, paperwork and prevention of manual errors

Our Core Smart Contract Development Services


Smart Contract Architecture

As a NFT smart contract development company, we use the best architecture practices, allowing clients to get bug-free and stable codes, so smart contracts deliver the needed result


Smart Contract Design & Development

Using our blockchain smart contract development services, you get full-fledged self-executing smart contracts for custom purposes and for public, private, and hybrid blockchains


Smart Contract Audit & Optimization

Being a blockchain smart contract development agency, we thoroughly audit the code before deploying it on the mainnet, removing bugs and checking for vulnerabilities to ensure efficiency and safety.


Smart Contracts for dApps

Develop smart contracts for your dApps with our smart contract development services to encode business logic and enable direct interaction between two trading parties, reducing transaction costs


Smart Contracts for DEX

Powering DEX with smart contract development allows businesses operating on decentralized ECO systems to ensure the privacy of user data, private keys as well as digital assets.


Smart Contract for Digital Wallets

Our smart contract developers make the best solutions for digital wallets enabling businesses to execute credible and fast transactions without any third-party involvement, boosting security and exchange.

Team Augmentation

We offer team augmentation services, allowing you to quickly fill the skill gap in your team for business success. We provide only specialized resources, meaning developers that you get always have in-depth expertise in the needed industry

Our Pre-Vetted Engineers:

  • Not only working on specific tasks
  • Constant consultations
  • Brainstorming to improve the product
  • Participating in every discussion
  • Putting all efforts on your business success

Our guarantees:

  • We provide guarantees over the engineers we offer
  • Switch the engineer if he/she doesn’t fit the team upon client request
  • Find a new one within 10 business days

Blockchains We
Work With

See our experience


The app is in development stage, although the client is satisfied with our work and wants to go further with our team after raising investments.

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Gamifly is a Web3 gateway that connects traditional gaming companies and mass consumers to the Web3 ecosystem, by offering no-fuss SDK to onboard…

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NFT Ticketing

Since the NFT industry is growing rapidly, NFT Ticketing should become one of pioneers in the field of sending tickets in the form of non-fungible tokens.

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Labster is an AR startup helping teachers & students across the world to get study faster & efficiently by providing virtual labs experience.

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Medico Stores Delivery

Medico Stores is the retail mobile application designed to work as a marketplace for medications and connect users, retailers, pharmacies or private clinics and couriers.

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ELOSIA is a health check app designed to allow users of private clinic networks to easily perform analysis of urine right in their homes

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Working with Interexy has been incredible, the team is easy to communicate with, understands the healthcare industry in-depth and is always open to implementing new ideas as they come up.

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Penn Vet

Let’s learn about our vet app development process for one of our clients.

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Discuss a project

Let’s have a free consultation with our experts to discuss your future blockchain smart contract project

Get Expert Advice

Smart Сontract
Development By Industry

Let’s explore for what industries we provide smart contract development services

Real Estate
Internet of Things

Highly Satisfied Clients


Interexy LLC is a Miami-headquartered custom software development and IT consulting company with deep expertise in over 15 industries offering innovative solutions for such market giants as SAP, Pampers & General Electric.

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    Project budget (USD)*
    $20 – 50k
    $250 – 500k
    $50 – 100k
    $500 – 1M
    $100 – 250k
    Fill the form / email us at or give us a call at +48571362271 +19312469959 (8:00 am to 5:00 pm pacific time)