blockchain developer

Om Tec Web

Blockchain Developer Responsibilities:<ul><li>Collaborating with managers to determine blockchain technology needs and envisaged functionalities.</li><li>Creating application features and interfaces by using programming languages and writing multithreaded codes.</li><li>Applying the latest cryptology techniques to protect digital transaction data against cyberattacks and information hacks.</li><li>Maintaining client and server-side applications.</li><li>Optimizing and securing blockchain applications by integrating new tools and technologies.</li><li>Educating sales personnel on blockchain features that allow secure digital payments.</li><li>Keeping up with current blockchain technologies and cryptography methods.</li></ul>Blockchain Developer Requirements:<ul><li>Bachelor's degree in information security, computer science, or related.</li><li>At least 1years of experience as a blockchain developer.</li><li>Advanced proficiency in programming languages, such as C++, Java, and Python.</li><li>Extensive experience in back-end development, algorithms, and data structures.</li><li>Knowledge of cryptography and blockchain protocols.</li><li>In-depth knowledge of best practices in blockchain management and data protection.</li><li>Advanced analytical and problem-solving skills.</li><li>Superb organizational skills and keen attention to detail.</li></ul>Job Type: Full-timePay: ₹17,486.79 - ₹62,406.73 per monthBenefits:<ul><li>Flexible schedule</li></ul>Ability to commute/relocate:<ul><li>Surat, Gujarat: Reliably commute or planning to relocate before starting work (Required)</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>total work: 1 year (Preferred)</li><li>software development: 1 year (Preferred)</li></ul>Work Location: In person

Blockchain Developer

BtcTurk | Teknoloji

<div>
 
 Discover the future with us, where advanced technology meets innovation to revolutionize financial services!
 
 
 
 
 
 
 What Responsibilities Blockchain Developer Takes?
 
 
 <ul>
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 Design, develop and maintain blockchain-based systems and services for digital asset custody.
 </li>
 <li>
 Implement and optimize secure key management systems.
 </li>
 <li>
 Collaborate with cross-functional teams (product, security, operations) to define system architecture and requirements.
 </li>
 <li>
 Participate in code reviews, design discussions and ensure high code quality and maintainability.
 </li>
 <li>
 Develop and integrate APIs for seamless communication between blockchain and external systems.
 </li>
 <li>
 Troubleshoot, debug and resolve technical issues related to blockchain systems and custody operations.
 </li>
 <li>
 Stay up-to-date with the latest trends and best practices in blockchain technologies, digital assets and financial security.
 </li>
 </ul>
 
 
 
 
 
 What BtcTurk | Teknoloji Expects from You?
 
 
 <ul>
 <li>
 Bachelor's degree in a related field, or 5+ years of relevant technical experience.
 </li>
 <li>
 Strong experience with .NET technologies (Framework, Core, C#, Entity Framework, EF Core), architectural patterns such as RESTful, Microservices, and Event-Driven, as well as Unit Testing, relational databases (SQL Server or PostgreSQL), and messaging/search technologies including RabbitMQ and Elasticsearch.
 </li>
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 Solid understanding of the software development lifecycle and agile practices.
 </li>
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 Familiarity with tools like Docker, Kubernetes, and CI/CD pipelines.
 </li>
 <li>
 Proficiency in blockchain platforms like Bitcoin, Ethereum and other distributed ledger technologies.
 </li>
 <li>
 Solid understanding of cryptography, security protocols and distributed systems.
 </li>
 <li>
 Experience in the financial industry, particularly in asset custody or fintech.
 </li>
 <li>
 Excellent verbal and written communication skills in English.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 Discover Your Benefits!
 
 
 
 
 Competitive Salary &amp; Meal Card:
 
 Earn a competitive salary that reflects your skills and contributions, along with a meal card for your culinary cravings.
 
 
 
 Health Comes First:
 
 We've got you covered with comprehensive health insurance, prioritizing your well-being.
 
 
 
 Monthly Utility Billing Support:
 
 We handle monthly billing support, ensuring you have everything you need to excel in your role.
 
 
 
 Ergonomics Support:
 
 We provide customized equipment funding to elevate your remote workspace.
 
 
 
 Warm Welcome:
 
 Receive a fun welcome kit to kickstart your journey with us, while discovering our modern office at Akmerkez.
 
 
 
 Celebrate Success:
 
 Join us for regular celebrations, happy hours, game breaks, and seasonal events because success should be celebrated together.
 
 
 
 Birthday Leave:
 
 Celebrate Your Special Day with an Extra Day Off!
 
 
 
 
 
 https://cdn.btcturk.com/technology/Calisan_Adaylari_Aydinlatma_Metni.pdf
 
 
 
</div>

SOC Solutions LLC

Web3 Trading Operations Engineer (TypeScript + On-Chain Analytics)We are looking for an engineer with strong experience in Web3 trading execution and real-time on-chain data analysis. This role does not involve writing smart contracts, but instead focuses on leveraging TypeScript SDKs to interact with contracts, execute trading strategies, and generate technical signals from live data streams.This is a hands-on role for someone who understands blockchain data structures, decentralized exchanges, and trading system workflows.Key Responsibilities1. Trading Strategy Execution<ul><li>Use a TypeScript SDK to interact with smart contracts for the purpose of executing trading strategies.</li><li>Manage transaction workflows, error handling, and performance monitoring within a live trading environment.</li><li>Work closely with trading team to ensure strategies are triggered reliably and efficiently.</li></ul>2. Real-Time On-Chain Data Analytics<ul><li>Perform real-time data analysis on Hyperliquid and other relevant platforms.</li><li>Build, test, and refine technical signals, indicators, and metrics that support trading decisions.</li><li>Monitor on-chain activity, liquidity flows, and market behavior to identify actionable patterns.</li></ul>3. Web3 Systems &amp; Infrastructure<ul><li>Integrate with wallets, RPC endpoints, and contract interfaces.</li><li>Maintain and optimize the TypeScript-based execution layer.</li><li>Ensure performance, accuracy, and low-latency execution across the entire technical pipeline.</li></ul>4. Collaboration &amp; Reporting<ul><li>Work closely with trading, product, and engineering teams.</li><li>Communicate insights from on-chain analytics and technical indicators.</li><li>Contribute to improving internal tools and dashboards related to trading operations.</li></ul>Required Skills &amp; Experience<ul><li>Strong proficiency in TypeScript.</li><li>Experience using TypeScript SDKs to interact with smart contracts (read/write operations, execution steps, event parsing).</li><li>Solid understanding of Web3 concepts, blockchain data structures, and wallet/transaction flows.</li><li>Experience building or supporting algorithmic trading, quant trading, or real-time analytics systems.</li><li>Hands-on experience with Hyperliquid or similar high-performance trading protocols is a strong plus.</li><li>Ability to analyze large, streaming datasets and produce actionable technical signals.</li><li>Experience with:</li><li>On-chain data analysis</li><li>Decentralized exchanges</li><li>Market microstructure</li><li>Transaction lifecycle &amp; gas optimization (basic understanding)</li></ul>Preferred Experience (Nice to Have)<ul><li>Rust or Solidity familiarity (not required for the core role).</li><li>Experience in DeFi, liquidity pools, or perpetuals.</li><li>Background in quant engineering or trading systems development.</li><li>Understanding of numerical methods, technical indicators, and statistical analysis.</li></ul>Role Type<ul><li>Full-time engineering role.</li><li>Remote and timezone-flexible depending on the company&rsquo;s requirements.</li><li>Opportunity for long-term collaboration and deep involvement in trading operations.</li></ul>Job Type: Full-timeWork Location: Remote

Blockchain Developer (Rust)

ERS Tech

Job Description:We are seeking a highly skilled and experienced Senior Blockchain &amp; MERN Developer to design, develop, and maintain scalable, secure, and high-performance blockchain-based web applications. The ideal candidate will have strong hands-on expertise in the MERN stack (MongoDB, Express, React, Node.js) along with practical experience in blockchain technologies, smart contract development, and Web3 integrations.This role focuses on technical excellence, architecture, and development ownership, working closely with team leads, product managers, and designers to deliver robust blockchain solutions.Key ResponsibilitiesTechnical Development &amp; Architecture<ul><li>Design, develop, and maintain full-stack applications using MERN stack and Blockchain technologies.</li><li>Build scalable and maintainable system architectures following best coding practices.</li><li>Develop, test, deploy, and optimize smart contracts using Solidity.</li><li>Integrate blockchain functionality using Web3.js, ethers.js, and related libraries.</li><li>Implement APIs, wallets, tokens, NFTs, and on-chain/off-chain data interactions.</li><li>Ensure application security, performance optimization, and reliability.</li></ul>Collaboration &amp; Code Quality<ul><li>Work closely with Team Leads, Product Managers, Designers, and QA teams to translate requirements into technical solutions.</li><li>Participate in code reviews, provide constructive feedback, and maintain high coding standards.</li><li>Assist in technical documentation and knowledge sharing within the development team.</li><li>Support junior developers through guidance and technical assistance when required.</li></ul>Innovation &amp; Optimization<ul><li>Stay updated with emerging trends in Blockchain, Web3, and Full-Stack Development.</li><li>Identify opportunities for performance improvement, scalability enhancement, and cost optimization.</li><li>Proactively suggest technical improvements aligned with product and business objectives.</li></ul>Required Skills &amp; QualificationsTechnical Skills<ul><li>Strong hands-on experience with MongoDB, Express.js, React.js, and Node.js.</li><li>Solid understanding of Blockchain fundamentals, Solidity, Web3.js, and ethers.js.</li><li>Experience working with Ethereum, Binance Smart Chain (BSC), or other EVM-compatible networks.</li><li>Practical knowledge of smart contract standards: ERC-20, ERC-721, ERC-1155.</li><li>Experience with wallet integrations (MetaMask, WalletConnect, etc.).</li><li>Understanding of RESTful APIs, GraphQL, and microservices architecture.</li><li>Familiarity with Docker, CI/CD pipelines, and cloud platforms (AWS, DigitalOcean).</li><li>Experience with databases such as MongoDB and MySQL.</li></ul>Soft Skills<ul><li>Strong problem-solving and analytical skills.</li><li>Excellent communication and collaboration abilities.</li><li>Ability to manage tasks independently and meet deadlines.</li><li>Comfortable working in a fast-paced and evolving environment.</li></ul>Education &amp; Experience<ul><li>Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Software Engineering, or a related field.</li><li>4+ years of professional development experience in full-stack and blockchain development.</li><li>Proven track record of delivering blockchain-based platforms such as DeFi, NFT marketplaces, exchanges, wallets, or crypto payment systems.</li></ul>Perks &amp; Benefits<ul><li>Monthly Corporate Dinner</li><li>Weekly Refreshments</li><li>Company-Sponsored International Trip</li><li>Two Company-Sponsored National Trips per Year</li><li>Laptop Policy</li><li>Automobile Policy</li><li>Fuel Allowance</li><li>Monthly Performance Rewards / Bonuses</li><li>Birthday Celebrations &amp; Gifts</li><li>Interest-Free Loan Policy</li><li>Bi-Annual Increments</li><li>Leave Encashment</li><li>Annual Paid Leaves</li><li>Daily Tea / Coffee</li><li>Punctuality Reward (Cash Prize)</li></ul>Job Type: Full-timeWork Location: In person

Sr. Blockchain & MERN Developer

Centfx

Role Overview:We are seeking a highly skilled Full Stack Developer who is proficient in modern web development and has hands-on experience with blockchain technologies. The ideal candidate will have experience in maintaining and developing applications built with Next.js, PostgreSQL, and FastAPI, along with a strong understanding of blockchain concepts, smart contracts, and decentralized applications (dApps).This position requires someone who is passionate about blockchain technology, eager to tackle complex problems, and is comfortable working in a fast-paced, collaborative environment.Key Responsibilities:<ul><li>Build and maintain the Next.js frontend and FastAPI backend.</li><li>Optimize PostgreSQL databases and API performance.</li><li>Develop and integrate blockchain features.</li><li>Maintain code quality.</li><li>Debug and resolve platform issues related to blockchain interactions and performance.</li></ul>Required Skills:<ul><li>Strong experience with Next.js and React.</li><li>Familiarity with modern frontend practices and state management (e.g., Redux, Zustand).</li><li>Solid experience with FastAPI or other Python frameworks.</li><li>Knowledge of RESTful APIs and backend development tools.</li><li>Proficient in PostgreSQL, including database design and optimization.</li><li>Solid understanding of blockchain concepts, smart contracts, and decentralized applications (dApps).</li><li>Experience with Binance Smart Chain</li><li>Experience securing blockchain apps and smart contracts.</li><li>Familiarity with cloud platforms (AWS, GCP) and CI/CD pipelines.</li><li>Strong problem-solving skills and the ability to work in an agile environment.</li><li>Proficiency in Git and experience with code collaboration.</li><li>Understanding of blockchain/crypto wallet integration.</li></ul>Job Type: Full-timePay: AED5,000.00 - AED7,000.00 per month

Full Stack Developer with Blockchain Expertise

aQovia

<div>Why Aqovia?
At the Intersection of Innovation and Impact, introducing Aqovia. Aqovia is an international technology firm dedicated to creating tangible value through the power of AI, data-driven, and bespoke software solutions and services. 
Our unique approach extends beyond traditional service and solutions delivery, we strategically invest in and nurture a diverse portfolio of promising companies operating across vital sectors including; financial services, health, infrastructure management, sustainability, education, and business intelligence. 
This commitment to innovation across a broad spectrum allows Aqovia to stay at the cutting edge, delivering transformative solutions and creating significant impact. For our clients and strategic partners, Aqovia offers a unique opportunity to be part of a dynamic and forward-thinking group shaping the future 
Job Description: 
Aqovia is seeking Senior Software Engineers with a passion for emerging technologies to join our agile development team. This role offers the opportunity to contribute to high-impact solutions across Fintech, Crypto, Blockchain, Web3, and NFT ecosystems. 
As an accomplished developer, you will expand your expertise in microservices, distributed systems, decentralised architectures, and reusable Web Components, contributing across the full software development lifecycle. 
Aqovians live and breathe agile, thrive in an eXtreme Programming environment, and treat software development as both a craft and a disciplined engineering practice. We value continuous learning, experimentation, and staying ahead of rapidly evolving industry trends, including those defining the future of digital assets and decentralised finance (DeFi). 
 
We champion the best tools and practices and encourage pair programming and knowledge sharing. 
Key Responsibilities:<ul><li> 
Participate in agile ceremonies (planning, retrospectives, &lsquo;3 amigos&rsquo;).</li><li>
Design and build high-performance Fintech and Web3 applications, microservices, and distributed systems using C#, ASP.NET, NodeJS, and modern Web Components.</li><li>
Build features integrating blockchain networks, smart contracts, crypto wallets, tokenised assets, and NFT platforms.</li><li>
Automate deployments and monitor production services with a strong focus on reliability and security.</li><li>
Develop high-quality code adhering to clear specifications and aligned with blockchain/Web3 security standards.</li><li>
Implement, refactor, and optimise product code (C#) following best practices for maintainability, testability, and performance.</li><li>
Review and debug code to identify defects, performance bottlenecks, Web3 integration issues, or technical debt.</li><li>
Work closely with test engineers to ensure robust test coverage, including smart contract and blockchain node integration testing.</li><li>
Participate in sprint planning, daily stand-ups, and retrospectives, continually improving team velocity and engineering practices.</li><li>
Mentor junior team members (depending on experience) and lead technical activities as required.</li><li>
Stay current with emerging trends in Fintech, DeFi, Blockchain protocols, Layer-2 scaling, token standards, digital identity, and decentralised application (dApp) development.</li></ul>
 The Ideal Candidate Will Have:<ul><li> 
Strong understanding of software engineering best practices, object-oriented design, SOLID principles, and agile/XP methodologies.</li><li>
Strong knowledge of C#, .NET, and ASP.NET, with exposure to secure financial or decentralised applications.</li><li>
Experience with crypto wallet integration, digital signatures, or token standards</li><li>
Understanding of DeFi protocols, payments, trading platforms, or digital asset custody.</li><li>
Offline-first or mobile-first Progressive Web Apps</li><li>
Performance monitoring and optimisation of browser-based applications</li><li>
Designing secure, performant, public-facing RESTful APIs</li><li>
Interest or experience in microservices and event-driven systems (RabbitMQ, Azure Service Bus, blockchain event streams)</li></ul>
Nice to have, not Essential<ul><li> 
Familiarity with Azure Functions or cloud-native solutions.</li><li>
Understanding of distributed protocols, networking fundamentals (Ethernet/TCP/IP), or peer-to-peer systems.</li><li>
Micro-front-end architectures</li><li>
Hands-on experience with component-based development in JavaScript/TypeScript (Web Components, React, Vue, Angular).</li><li>
Understanding of HTML5, ES6+, CSS3, and the modern Web Platform.</li><li>
Working with blockchain APIs, node providers (e.g., Infura, Alchemy), or L1/L2 chains.</li><li>
Familiarity with NFT minting workflows, metadata standards, or marketplaces.</li><li>
Knowledge of Web3 identity, authentication (SIWE), or secure key management.</li></ul> 
Soft Skills<ul><li>
Analytical mindset: Ability to diagnose complex issues across distributed systems, blockchain layers, or financial transaction flows.</li><li>
Communication: Excellent English (written and verbal) and able to simplify complex Web3 or Fintech concepts for diverse audiences.</li><li>
Collaboration: Proven experience working cross-functionally across development, DevOps, product, and security teams.</li></ul>
 Joining Aqovia means:<ul><li> 
Making a real difference: You'll be part of a team developing solutions that empower businesses while contributing to sustainable practices.</li><li>
Growth opportunities: We invest in our employees' development and offer a path for career advancement.</li><li>
Collaborative culture: We value teamwork, open communication, and a supportive environment.</li><li>
Competitive benefits package: TBC discussed with Talent team and HR</li></ul>
If you're a problem-solver who thrives in a fast-paced environment and shares our commitment to positive impact, we encourage you to apply! 
Equal Opportunity Employer: 
At Aqovia, we believe in the strength of diversity. We strive to reflect the varied markets we serve and foster an inclusive culture where everyone feels welcome, valued, and empowered to be their authentic selves. As an equal opportunity employer, we are committed to embracing all forms of diversity across our organisation.</div>

Senior Software Engineer (C# .NET)

CertiK

<div><div>About You</div><div>
You have a background in programming language theory and automated reasoning and love to work on the forefront of applying results from theoretical computer science. You love to tackle computationally hard problems and have a proven track record of achieving results, where results are people using your tool to do their jobs. You are collaborative: you share ideas, love to brainstorm with peers, and give and receive feedback. You are comfortable with the unknown and understand that #startuplife means that you will be wearing multiple hats.</div><div></div><div> 
About the Company</div><div>
CertiK leads blockchain security by securing smart contracts and blockchains with cutting-edge Formal Verification technology. Founded by Computer Science professors of Yale University and Columbia University, CertiK has audited and secured over $500B in assets, including many of the world&rsquo;s top blockchain projects.</div><div></div><div> 
About the Role</div><div>
You will design and develop tools that automatically ensure the correctness of smart contracts or identify security issues and bugs in smart contracts. As part of our multinational team of programming language experts, you will have the opportunity to work on all stages of tool development from idea generation to implementation and iterative improvements. Our team is highly supportive and collaborative with great opportunities to learn and grow.</div>
<h3 class="jobSectionHeader">Responsibilities</h3><ul><li>
Lead end-to-end feature development, from user interface implementation/backend logic to smart contract/blockchain integration, in a fast-paced/product-driven environment.</li><li>
Design/develop modern/responsive full-stack Web3 applications.</li><li>
Build/deploy/maintain robust backend systems/APIs/microservices for blockchain data processing/user interaction/real-time functionality.</li><li>
Process/analyze on-chain/off-chain data &amp; integrate wallet connectivity via secure/scalable Web3 tools.</li><li>
Create engaging frontend that incorporates interactive data visualizations, animations, UI/UX best practices &amp; SEO strategies to enhance engagement/retention.</li><li>
Monitor advancements in Web3 ecosystem, including developer tooling/blockchain protocols/web technologies, to enhance stack efficiency &amp; maintain architectural modernization.</li></ul><h3 class="jobSectionHeader">
Requirements</h3><ul><li>
Master&rsquo;s degree in Computer Science/Engineering or a related field</li><li>
Advanced knowledge of algorithms/data structures/operating systems/computer architecture/network protocols.</li><li>
In-depth understanding of blockchain fundamentals, including decentralized networks/Web3 infrastructure/smart contract development (EVM/Web3.js)</li><li>
Expertise in frontend development using React/JavaScript/TypeScript/HTML/CSS &amp; backend development, including API architecture/design, server-side development &amp; caching strategies</li><li>
Proficiency in cloud services (AWS/S3/EC2).</li></ul><div>
Compensation: The target annual compensation is $132,000 - $180,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates.</div><div></div><div> 
#blockchain</div><div>
#startups</div><div>
#hiring</div><div></div><div> 
CertiK is proud to offer medical, vision, and dental insurance, 401(k) plan with company matching, life and accidental death and dismemberment insurance, HSA (with high deductible plan), FSA, and other benefits to all full-time employees, along with flexible paid time off and holidays. CertiK also offers a variable commission program for business development sales roles.</div><div></div><div> 
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.</div><div></div><div> 
CertiK is proud to be an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of age, race, color, creed, religion, sex, sexual orientation, gender, gender identity or expression, medical condition, national origin, ancestry, citizenship, marital status or civil partnership/union status, physical or mental disability, pregnancy, childbirth, genetic information, military and veteran status, or any other basis prohibited by applicable federal, state or local law.</div><div></div><div> 
CertiK will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements.</div><div>
https://www.eeoc.gov/sites/default/files/migrated_files/employers/poster_screen_reader_optimized.pdf</div><div></div><div> 
All CertiK employees are expected to actively support diversity on their teams, and in the Company.</div>

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.</div>

Senior Software Engineer

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