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Jorge
Full-stack Web Developer
Mexico/(GMT -6:00)
Jorge is a seasoned Full Stack Developer with deep expertise in .NET, C#, and modern JavaScript frameworks including React and Vue.js. He has a strong track record of designing and building scalable, secure web applications across diverse domains such as healthcare, entertainment, fintech, and ERP systems. Jorge thrives on solving complex problems, contributing to architectural decisions, and collaborating in cross-functional Agile teams. He brings solid experience with cloud platforms, microservices, RESTful APIs, and automated testing, and is continuously driven by a strong interest in AI and its real-world impact.
Experience
10 years
Availability
Full-time
.NET Core.NETMicrosoft SQL ServerC#ReactAWSGitJavaScriptAngularPostgreSQLDockerRabbitMQ.NET+REST APIADO.NETTypescriptCypressJasmineJWTVue.jsMicrosoft AzureAzure SQLEventBusVuexAPI TestingWPF
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Oleh
Full-stack Web Developer
Poland/(GMT +1:00)
Meet Oleh — a Full-Stack Developer with a great understanding of .NET and a couple of years of experience with React and Angular across domains like agritech, edtech, IDEs and telecommunication. Additionally, his background includes working with high-load systems and microservices, along with good knowledge of developing and designing various databases. Considering his high-level soft skills, Oleh is a pleasant person to work with! Hurry up and hire him before your competitors do!
Experience
10 years
Availability
Part-time & Full-time
Angular.NET.NET CoreNoSQLC#ReactNode.jsMongoDBDockerMicrosoft AzureSQLKubernetesJavaScriptAWSTypescriptApache KafkaCI/CDTerraformAzure DevOpsEntity
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Facundo
UI/UX Designer
Argentina/(GMT -3:00)
Facundo is a senior UI/UX and product designer with over 24 years of experience, specializing in end-to-end product design for early-stage startups and regulated domains such as healthcare, legal, and coaching. He demonstrates strong ownership in ambiguity, rapid prototyping, and AI-assisted workflow design. Facundo is comfortable with direct stakeholder communication and excels at translating complex requirements into validated MVPs. Enjoys helping startups organize unstructured ideas and guide first steps to build products.
Experience
24 years
Availability
Full-time
Adobe PhotoshopFigmaPrototypingUI/UXProduct designUser testingUser-centered designCursorClaude CodeAstroLovableWordPressSketchAdobe XDAI-assisted codingProduct StrategyInteraction DesignWireframing
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Faisal
Data Engineer
Singapore/(GMT +7:00)
Faisal is a seasoned engineer with extensive proficiency in SQL, Python, and AWS services, demonstrating a solid understanding of complex data queries and varied approaches. His proficiency as an efficient communicator shines through in his ability to deliver clear, concise responses and accurately articulate complex technical concepts. With strong analytical abilities and knowledge, he is primed for success in any Python-heavy role, adapting seamlessly to diverse technical environments.
Experience
9 years
Availability
Full-time
Apache SparkPythonAWSApache KafkaApache AirflowSQLFastAPINode.jsTerraformBig DataBigQueryVector DatabasesLLMLangChainMongoDBPySparkGCPMySQLDatabricksDockerMicrosoft AzureKubernetesData WarehouseETLPyTorchOpenAI APISnowflakeDBTDagsterDatadogClaude Code
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Oleksandr
Front-end Web Developer
Ukraine/(GMT +2:00)
Oleksandr has over 10 years of experience in the IT field, making him well-versed in handling complex tasks as a Team Lead. His strong technical background and exceptional practical skills, particularly in Angular and Node.js, set him apart. Oleksandr also brings a pleasant personality to his work.
Experience
13 years
Availability
Full-time
Node.jsAngularIonicReactHTMLJavaScriptTypescriptMongoDBPHPMobXMySQLMicrosoft SQL ServerCSSFlutterPostgreSQLAWSDockerKubernetesRabbitMQElasticSearchAngular.jsMODXSvelte.jsPlaywrightGitHub ActionsFastlaneCI/CDFirebaseNest.jsRedis
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Petr
Full-stack Web Developer
Czech Republic/(GMT +1:00)
Petr is a seasoned software developer with over 10 years of experience. He possesses strong expertise in JavaScript, TypeScript, Node.js, and Angular and has recently acquired skills in Flutter, React, and Next.js. Petr is known for his excellent problem-solving and time management skills, extensive research experience, and self-education.
Experience
16 years
Availability
Part-time
AngularAngular.jsJavaScriptTypescriptFlutterNode.jsMongoDBREST APIDartJavaSQLPythonGCPBigQueryPostgreSQLNext.jsDjangoReactNest.jsCQRSEventBusAmazon S3Web scrapingTailwind CSSTypeORMTerraformAIExpress.js
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Rafael
Front-end Web Developer
Spain/(GMT +1:00)
Rafael is a Senior Front-End Developer with over 10 years of production experience and especially deep expertise in JavaScript. A web enthusiast, he's focused on implementing web apps using the best practices, empowering his skills in performance and testing techniques.
Experience
13 years
Availability
Part-time & Full-time
AngularNode.jsReactJavaScriptTypescriptNext.jsNest.jsMongoDBExpress.jsREST APIAngular MaterialSCSSRxJSPostgreSQLReduxTailwind CSSCSSApollo GraphQLVercelKafkaAI agent development
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Daniel
Mobile Developer
Mexico/(GMT -6:00)
Meet Daniel - a strong senior Android engineer and architect with more than 10 years in the field. He has mastered his skills both in giants like Airbnb or Reddit and in newborn startups. In both settings, Daniel demonstrated strong coding skills and leadership abilities. The cherry on top is that Daniel also knows how to prepare the project plan and what market-based issues it might have, so your project is in good hands!
Experience
12 years
Availability
Full-time
AndroidSwiftKotliniOSJetpack ComposeAWSDocker ComposeSketchAndroid JetpackAndroid SDKHiltClean ArchitectureDaggerRetrofitRxJavaMVVMApollo GraphQLCircleCICoroutinesCI/CDMVPJavaStripe APIPythonAndroid StudioAIBLEDjangoSwiftUIUIKitHealthKitSupabase
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Roman
Full-stack Web Developer
Ukraine/(GMT +2:00)
Roman, a Senior Full Stack engineer, brings a robust academic background and extensive professional experience to the table. Specializing in Angular and Nest.js, he has a proven track record in enterprise, freelance, and volunteering projects, making him a valuable addition to any team. With a willingness to take on architectural decisions and a passion for sharing knowledge, Roman's expertise in frontend and backend development, combined with his friendly demeanor, make him an excellent candidate for senior-level roles.
Experience
10 years
Availability
Part-time & Full-time
AngularNode.jsJavaScriptTypescriptReactNest.jsMongoDBNext.jsGoogle App EngineHTMLMaterial UIKarmaJasmineFirebaseBootstrapUnit testingMongooseODMPostgreSQLCSSGCPDockerNoSQLKafka
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Developers who got their wings at

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How to hire DApp developer through Lemon.io

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On a quick 30-min call, share your expectations and get a budget estimate

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Get 2-3 expertly matched candidates within 24-48 hours and meet the worthiest

Onboard the chosen one

Your developer starts with a project—we deal with a contract, monthly payouts, and what not

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Testimonials

Start to finish in under a week with zero wasted time

Reached out on Monday evening, connected Tuesday morning, had four qualified candidates by Wednesday.

Brian DeSpainCEO, 10X ERP

High quality, well-qualified developers

We had an excellent experience. Process is fast from the initial intake through setting up payment.

Katie RoyExecutive Director, The SPEND Initiative

7 developers hired in 24 hours

The developers helped us speed up. They quickly learned their part of the app and we’re grateful for their contribution.

Conor MackenDirector of Engineering, tvScientific

What we do for you

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All our developers are fully vetted and tested for both soft and hard skills. No surprises!

1000+ already scanned profiles

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On a quick 30-min call, share your expectations and get a budget estimate

Human-centered estimation

Shortlist the best matches

Get 2-3 expertly matched candidates within 24-48 hours and meet the worthiest

Match in a 24 hours

Handle the paperwork

Your developer starts with a project—we deal with a contract, monthly payouts, and what not

Hire after 1–2 interviews

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The lemon tea

Why hire DApp developers through our platform?

Find devs with skills you can trust with Lemon.io, so you can stop looking and start making progress again.

Cost

Every one of our 1300+ senior engineers has passed through our four-step vetting process, covering everything from soft to hard skills.

White-glove Service

We provide you with a list of senior devs just 48 hours after you tell us what skills you're looking for, allowing you to hire devs faster so you can get moving again.

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Our risk-free replacement guarantee comes without caveats, restrictions, or questions asked. If you want a different dev, just tell us and we'll match you with another, free of charge.

What you should know about modern DApp devs

by Vlada Zamerets

Recruiter at Lemon.io

Verified Expert

Hiring Guide: DApp Developers

As blockchain technology continues to shape the digital landscape, hiring a skilled decentralized application (DApp) developer is essential for organizations building secure, transparent, and scalable solutions on blockchain networks. DApp developers specialize in developing smart contracts, front-end interfaces, and back-end integrations that function without central authority—offering trustless systems for finance, gaming, supply chain, and more.

When to Hire a DApp Developer (and Why)

Hire a DApp developer when you’re building decentralized applications that require on-chain logic and transparency. They are ideal for:

Developing smart contracts for Ethereum, Solana, Polygon, or Binance Smart Chain.
Building DeFi apps, NFT platforms, DAOs, or blockchain-based games.
Integrating blockchain wallets (MetaMask, WalletConnect) into web or mobile apps.
Creating back-end APIs that interact with blockchain nodes or IPFS for decentralized storage.
Ensuring security audits, gas efficiency, and reliable deployment across multiple chains.

DApp developers bridge blockchain protocols and user interfaces, ensuring your product delivers performance, usability, and immutability while adhering to decentralized principles.

Core Skills and Technical Expertise

Smart Contract Development: Proficient in Solidity, Rust, or Vyper for writing and auditing Ethereum-compatible or Solana contracts.
Blockchain Frameworks: Hands-on experience with Ethereum, Polygon, Solana, Avalanche, or Near Protocol.
Web3 Integration: Expertise in using Web3.js, Ethers.js, or Anchor for connecting front-end applications to smart contracts.
Security and Auditing: Familiarity with common vulnerabilities (reentrancy, front-running) and experience using tools like MythX, Slither, and Hardhat.
DeFi and NFT Ecosystem: Understanding of liquidity pools, staking, NFT minting, and on-chain governance.
Front-End and API Development: Knowledge of React, Next.js, or Vue.js with blockchain API integration and IPFS or Filecoin usage.

Role Scoping Checklist

Problem Statement: Define your blockchain use case—DeFi, NFTs, governance, or supply chain traceability.
Success Metrics: Examples—achieve 99.9% contract uptime, reduce gas usage by 20%, or launch a secure audit-ready MVP.
Constraints: Target blockchain, budget for gas fees, transaction throughput, and audit timelines.
Interfaces: Collaboration with blockchain architects, front-end engineers, and product managers for cohesive deployment.
Deliverables:
- Week 1–2: Smart contract architecture design and test network deployment.
- Week 3–4: Front-end integration and wallet connection setup.
- Week 5–6: Audit completion, optimization, and mainnet deployment.

Key Interview Questions for DApp Developers

Smart Contract Design: “How would you prevent reentrancy or integer overflow in Solidity contracts?”
Blockchain Integration: “How do you connect a React front-end with smart contracts using Ethers.js?”
Security: “Describe a time when you identified and fixed a vulnerability in a DApp or smart contract.”
Scalability: “What methods would you use to reduce gas consumption in high-frequency transactions?”
Cross-Chain Experience: “Have you built bridges or interoperable smart contracts across multiple blockchains?”

Budget and Engagement Models

DApp developers are in high demand, especially those with DeFi, NFT, or multi-chain experience. Consider these engagement models:

Project-Based: Best for MVPs, token launches, or limited-scope smart contract projects.
Retainer: Ideal for long-term product evolution, security updates, and on-chain governance features.
Advisory or Audit Engagement: Suitable for established products requiring third-party smart contract audits and optimization.

Allocate 20–25% of total development cost for audits, gas optimization, and security reviews to ensure contract reliability and compliance.

FAQ

When should I hire a DApp developer?

Hire a DApp developer when your project requires smart contract integration, decentralized architecture, or blockchain-based features such as token issuance, governance, or NFTs.

What should I look for in a DApp developer?

Look for experience with Solidity, smart contract audits, DeFi protocols, and Web3 integrations. Ask for on-chain portfolio links and repositories demonstrating deployed contracts and audit readiness.

What are typical DApp developer deliverables?

Deliverables usually include smart contract development, front-end wallet integration, on-chain deployment, and audit documentation ensuring contract security and efficiency.

How much does it cost to hire DApp developers?

Rates depend on blockchain complexity and expertise, typically ranging higher than average web developers due to specialized blockchain security and gas optimization skills.

Get matched with vetted DApp developers

Book a call with an expert so you can be sure in your hiring strategy

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Why hire DApp

Over 6500 companies use DApp as their main framework, including giants like Google, Amazon and Lyft.

High-quality web apps

DApp's modular approach lets devs reuse components, so they can seamlessly manage app complexity.

Faster development process

DApp's architecture and a vast library of pre-built components speed up development, so you can get to market sooner.

Enjoyable user experience

From smooth, responsive interfaces to reduced loading times, devs can use DApp to boost usability.

Scaling made easy

DApp's modular, component-based architecture makes it easy to scale applications as traffic grows.

Case studies

Aerospace

The experience with Lemon.io has been fantastic. The interview process has been good, the caliber of people – excellent and integration has been very smooth.

Marc HorowitzCOO of SkyFi

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Telecommunications

We needed extra developers to clean off all these bugs so the company could skyrocket.

Conor MackenDirector of Engineering

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We needed extra AI engineers to keep our ambitious project running.

Mike LukimanFounding Senior Software Engineer at Everstar.ai

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Frequently asked questions

Hiring DApp (Decentralized Application) developers is crucial if you want to build decentralized apps on blockchain platforms. DApp developers have specialized knowledge of smart contracts, blockchain integration, and decentralized storage systems, allowing you to create secure, transparent, and scalable applications that operate independently from central authorities.

DApp developers can be found through blockchain-focused job boards, recruitment agencies, and specialized platforms for hiring developers. Lemon.io connects you with pre-vetted DApp developers, ensuring you have access to skilled professionals who can help build decentralized applications and smart contracts on blockchain platforms.

When hiring DApp developers, look for experience with blockchain platforms (e.g., Ethereum, Solana, or Polkadot), proficiency in programming languages such as Solidity, Rust, and JavaScript, and knowledge of smart contract development, decentralized storage, and web3 technologies. Familiarity with security protocols and gas optimization is also important.

The hiring process for DApp developers typically takes a few weeks. However, platforms like Lemon.io allow you to connect with pre-vetted DApp developers in as little as 48 hours, accelerating the hiring process and ensuring that you find qualified candidates quickly.

Hiring DApp developers gives you access to blockchain expertise, enabling the development of decentralized applications that offer enhanced security, transparency, and control for users. DApp developers can also integrate blockchain solutions with smart contracts and decentralized storage, providing scalable and trustless solutions for a wide range of use cases.

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