blockchain developer

Bunachain Blockchain

Responsibilities Design blockchain architecture, including smart contracts and consensus mechanisms. Develop and deploy decentralized apps with languages like Solidity or Python on platforms such as Ethereum. Implement security using cryptography and test for vulnerabilities. Collaborate with teams to integrate blockchain into existing systems and optimize performance.Qualifications Bachelor's in computer science or related field, plus 2+ years of blockchain experience. Proficiency in programming languages like Solidity, Python, JavaScript, or C++. Strong knowledge of cryptography, data structures, and blockchain protocols. Experience with Ethereum, Hyperledger, or similar platforms; problem-solving and adaptability.Pay: QAR120.00 - QAR600.00 per hourWork Location: In person

Blockchain Developer

Peptidescore

About Us PeptideScore.com is an emerging platform at the intersection of data analytics, modern web technologies, and blockchain. Our mission is to build a scalable and innovative product that leverages decentralized technologies to deliver real-world value. <h3>Open Roles</h3> <h4>1. Full-Stack MERN Developer</h4>Responsibilities<ul><li>Design, build, and maintain scalable web applications using MongoDB, Express.js, React, and Node.js</li><li>Develop and integrate RESTful APIs and third-party services</li><li>Ensure application performance, security, and responsiveness</li><li>Collaborate with cross-functional teams including designers and blockchain developers</li></ul>Requirements<ul><li>Proven experience with the MERN stack</li><li>Strong understanding of API development and authentication (JWT/OAuth)</li><li>Experience with cloud platforms (AWS, GCP, or similar)</li><li>Familiarity with Git and modern development workflows</li></ul> <h4>2. Blockchain Developer (Web3 / Smart Contracts)</h4>Responsibilities<ul><li>Develop and integrate blockchain-based features into the platform</li><li>Write and deploy smart contracts</li><li>Collaborate closely with frontend and backend teams</li></ul>Requirements<ul><li>Experience with Solidity and Ethereum or EVM-compatible blockchains</li><li>Knowledge of cryptocurrency/payment integrations</li><li>Understanding of blockchain security best practices</li></ul>

MERN Developer & Blockchain Developer (Web3)

Craftner INC

<div><h6 class="jobSectionHeader">Charlotte, NC | Contract To Hire</h6>
<h4 class="jobSectionHeader">Preferred Skills</h4>
Blockchain 
 
 
 
 
<h4 class="jobSectionHeader">Job Description</h4>
Duties and Responsibilities:
<ul>
<li>Design, develop and implement blockchain capabilities</li>
<li>Design new methods for implementing blockchain technology for our clients</li>
<li>Incorporate usage of digital tokens and smart contract</li>
<li>Execute research and development activities for new blockchain deliverables</li>
</ul>
Requirements:
<ul>
<li>Bachelor&rsquo;s in Computer Science, Information Technology or similar field</li>
<li>Minimum of 4 years of experience designing, implementing and supporting software solutions</li>
<li>Front-end: JavaScript, HTML/CSS, Angular / React</li>
<li>Back-end:, Golang, Java, Python</li>
<li>Database: Oracle,MongoDB, MySQL, etc&hellip;</li>
<li>Infrastructure: Docker, Kubernetes, Continuous Integration, etc&hellip;</li>
<li>Cloud Platform: AWS, Azure, GCP</li>
<li>RESTful APIs, Object-Oriented</li>
<li>Experienced using cryptography and hashing algorithms</li>
<li>Possesses a thorough understanding of the differences between a Private and Public Blockchain</li>
<li>Experienced in working with Tokens / Digital Certificates / Smart Contracts</li>
<li>Experienced in developing Blockchain applications on Hyperledger, Ethereum, Corda, Ripple or other proprietary language and APIs</li>
<li>Strong understanding of blockchain capabilities in logistics, networking, authentication, validation and cryptocurrency</li>
<li>Work well in a Scrum team environment full of innovators</li>
<li>Open minded with a success driven attitude
</li><li>Has a passion for innovation</li>
</ul>
Desired Skills:
<ul>
<li>Blockchain developer certification</li>
<li>Prior blockchain development and implementation experience</li></ul> 
 
 
<h5 class="jobSectionHeader">For immediate consideration, please forward your Word resume to sheetal@craftner.com</h5></div>

Blockchain Software Engineer

Bucapay

<div><div><div><h3 class="jobSectionHeader">Job summary
</h3>We seek a skilled PHP Laravel Developer with fintech or crypto experience to join our growing engineering team. You&rsquo;ll build secure, scalable backend systems powering digital payments, blockchain services, and financial products. If you're passionate about shaping the future of finance, join us.
 <div>Min Qualification: High School (S.S.C.E) Experience Level: Mid level Experience Length: 4 years Language Requirement: English Working Hours: Full Time - 9 to 5 Applicant Location: Remote (Work From Home), Nigeria
</div></div><div><h3 class="jobSectionHeader">Job descriptions &amp; requirements
</h3><div>Responsibilities:
<ul><li>Develop, maintain, and optimize backend services using the Laravel framework.</li><li>
Integrate APIs for payments, blockchain services, and third-party fintech tools.</li><li>
Build secure transaction workflows, wallet systems, and user authentication modules.</li><li>
Collaborate with frontend, mobile, and product teams to deliver high-quality features.</li><li>
Write clean, testable, and well-documented code following best practices.</li><li>
Troubleshoot bugs, performance issues, and security vulnerabilities.</li><li>
Participate in architecture discussions and contribute to technical decision-making.</li></ul> 

Requirements:
<ul><li>Strong proficiency in PHP and the Laravel framework.</li><li>
Proven experience working on fintech, payments, crypto, or blockchain-integrated systems.</li><li>
Experience building RESTful APIs and microservices.</li><li>
Good understanding of database systems (MySQL, PostgreSQL).</li><li>
Familiarity with blockchain APIs, web3 concepts, or crypto wallet systems.</li><li>
Knowledge of security best practices for financial apps.</li><li>
Solid understanding of Git, CI/CD, and modern development workflows.</li><li>
Ability to work independently and in a collaborative team environment</li><li>
Experience with Docker, Kubernetes, or cloud platforms (AWS, GCP).</li><li>
Understanding of compliance requirements (KYC, AML).</li><li>
Knowledge of message queues (RabbitMQ, Kafka).</li><li>
Frontend familiarity (Vue, React, or mobile) is a plus.</li></ul> 

Benefits:
<ul><li>Opportunity to build groundbreaking fintech/crypto products.</li><li>
A collaborative and innovative work environment.</li><li>
Professional growth in a fast-scaling startup.</li><li>
Flexible working hours.</li><li>
Competitive compensation package (salary + potential token/crypto-based incentives).</li></ul></div></div></div></div><div></div>

Senior Developer

Franklin Templeton

<div>At Franklin Templeton, we&rsquo;re driving our industry forward by developing new and innovative ways to help our clients achieve their investment goals. Our dynamic and diversified firm spans asset management, wealth management, and fintech, offering many ways to help investors make progress toward their goals. Our talented teams working around the globe bring expertise that&rsquo;s both broad and unique. From our welcoming, inclusive, and flexible culture to our global and diverse business, we offer opportunities not only to help you reach your potential but also to contribute to our clients&rsquo; achievements.
Come join us in delivering better outcomes for our clients around the world!
The Digital Assets Technology team at Franklin Templeton is looking for a full stack developer to support innovative projects of small to large scale with a focus on our security protocols. Our team is focused on delivering technology to represent shares in mutual funds with tokens issued on blockchain platform(s) in a manner which permits live trading/exchange on a potentially worldwide and 24/7 basis. We support a mobile app focused on retail investors, a website focused on institutional investors and an internal admin tool for our customer support team. We have a variety of projects to enhance the current platform as well as projects to expand our reach outside the US.<h1 class="jobSectionHeader">
How will you add value?</h1><ul><li>
You will contribute to application development and production support for critical business systems.</li><li>
You will refactor code to improve extensibility, structure, and performance.</li><li>
You will review peer code and designs using strong business domain understanding.</li><li>
You will actively participate in design and implementation discussions.</li><li>
You will build and maintain critical shared libraries and frameworks.</li><li>
You will design unit, integration, and non‑functional testing strategies.</li><li>
You will create application designs, data models, and interface specifications.</li><li>
You will translate requirements into technical designs for custom and packaged solutions.</li><li>
You will define non‑functional requirements and environment usage strategies.</li><li>
You will support integration testing and technology roadmap planning.</li></ul><h1 class="jobSectionHeader">
What will help you be successful in this role?</h1>
Experience &amp; Capabilities:<ul><li>
Strong communication and collaboration skills</li><li>
Ability to work independently and think critically</li><li>
Structured problem‑solving using available resources</li><li>
Experience supporting financial reconciliation systems</li><li>
Interest or exposure to blockchain technology</li></ul>
Technical Skills:<ul><li>
Java, React, and Python development experience</li><li>
Experience with Kubernetes orchestration</li><li>
Experience with external file transmissions and integration standards</li><li>
Familiarity with Atlassian tools</li></ul>
Job Level - Individual Contributor
Work Shift Timings - 5:30 PM - 2:30 AM IST<div>
Experience our welcoming culture and reach your professional and personal potential!<div>
Our culture is shaped by our diverse global workforce and strongly held core values. Regardless of your interests, lifestyle, or background, there&rsquo;s a place for you at Franklin Templeton. We provide employees with the tools, resources, and learning opportunities to help them excel in their career and personal life.
Hear more from our employees</div><div><div> 
 
By joining us, you will become part of a culture that focuses on employee well-being and provides multidimensional support for a positive and healthy lifestyle. We understand that benefits are at the core of employee well-being and may vary depending on individual needs. Whether you need support for maintaining your physical and mental health, saving for life&rsquo;s adventures, taking care of your family members, or making a positive impact in your community, we aim to have them covered.
Highlights of our benefits include:<ul><li>
Professional development growth opportunities through in-house classes and over 150 Web-based training courses</li><li>
An educational assistance program to financially help employees seeking continuing education</li><li>
Medical, Life and Personal Accident Insurance benefit for employees. Medical insurance also cover employee&rsquo;s dependents (spouses, children and dependent parents)</li><li>
Life insurance for protection of employees&rsquo; families</li><li>
Personal accident insurance for protection of employees and their families</li><li>
Personal loan assistance</li><li>
Employee Stock Investment Plan (ESIP)</li><li>
12 weeks Paternity leave</li><li>
Onsite fitness center, recreation center, and cafeteria</li><li>
Transport facility</li><li>
Child day care facility for women employees</li><li>
Cricket grounds and gymnasium</li><li>
Library</li><li>
Health Center with doctor availability</li><li>
HDFC ATM on the campus</li></ul>
Learn more about the wide range of benefits we offer at Franklin Templeton
Franklin Templeton is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and existing employees, and we evaluate qualified applicants without regard to ancestry, age, color, disability, genetic information, gender, gender identity, or gender expression, marital status, medical condition, military or veteran status, national origin, race, religion, sex, sexual orientation, and any other basis protected by federal, state, or local law, ordinance, or regulation. 
 
Franklin Templeton is committed to fostering a diverse and inclusive environment. If you believe that you need an accommodation or adjustment to search for or apply for one of our positions, please send an email to accommodations@franklintempleton.com. In your email, please include the accommodation or adjustment you are requesting, the job title, and the job number you are applying for. It may take up to three business days to receive a response to your request. Please note that only accommodation requests will receive a response.</div></div></div></div>

Software Engineer (Java, React & Python)

QuickNode

<div>Quicknode is a cloud-based infrastructure company that powers the blockchain ecosystem.
Our mission is to be the indispensable utility that empowers companies and innovators globally to build next-generation, Web3 enabled businesses &amp; applications using blockchain technology. Quicknode is backed by some of the world's best investors including Tiger Global, Y Combinator, SoftBank, and the Seven Seven Six Fund. The Quicknode team has over 120 people maintaining high performance global data infrastructure for amazing customers serving billions of requests daily.
We are a global remote company with an HQ in Miami, Florida.<h1 class="jobSectionHeader">
Job Description</h1>
The Role
As a Senior Go Engineer on the RPC Platform team at Quicknode, you will design, build, and scale the critical infrastructure that powers high-performance blockchain RPC services used by developers and enterprises globally. This role operates at the intersection of distributed systems, Web3 infrastructure, and developer experience, requiring deep technical ownership and a strong bias toward execution.
What You&rsquo;ll Do<ul><li>
Design, build, and optimize high-throughput, low-latency backend services in Go.</li><li>
Architect distributed systems.</li><li>
Own end-to-end delivery from design through production.</li><li>
Improve uptime and reduce latency across services.</li><li>
Collaborate with Product, Infrastructure, and DevEx teams.</li><li>
Debug and resolve complex production issues.</li><li>
Drive engineering standards and best practices.</li></ul>
What You&rsquo;ll Bring<ul><li>
6&ndash;10 years of experience building and operating backend or distributed systems in high-scale production environments, aligning with P4 expectations.</li><li>
Strong proficiency in Go, with a demonstrated ability to quickly adopt new languages and frameworks as needed.</li><li>
Deep experience designing and operating distributed systems, databases, and streaming architectures.</li><li>
Proven track record of delivering scalable, reliable systems with measurable impact on performance, availability, and developer experience.</li><li>
Experience working with Web3, blockchain infrastructure, or high-throughput API platforms, including familiarity with RPC services, node infrastructure, or data streaming pipelines.</li><li>
Strong problem-solving skills with the ability to debug complex, cross-system issues in production environments.</li><li>
Demonstrated ability to operate autonomously, prioritize effectively, and deliver outcomes in fast-paced, ambiguous environments.</li><li>
Excellent communication skills with experience collaborating across engineering, product, and customer-facing teams.</li></ul>
The Quicknode compensation philosophy includes pillars to ensure fair and unbiased compensation for all employees. To design and deliver total reward offerings that are employee-centric. To offer a competitive benefit package in all locations where we operate. To prioritize attracting and retaining the best talent globally. To maintain a high-performing and flexible way of working.
During the hiring process, we are committed to discussing compensation openly and honestly. We encourage candidates to share their salary expectations and requirements early, allowing for an individualized discussion. We know that our total rewards practices impact the lives and wellbeing of our employees. Therefore, we will never stop learning about the market, our business, your needs, and how best to achieve our goals through thoughtful and data-driven practices. If you have any questions or require further information about the compensation for this position, please don't hesitate to reach out to your Recruiter.
We at Quicknode are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.</div>

Senior Software Engineer

Sakura Premiums LLC

Job Opportunity: Blockchain Strategy LeadLocation: Doha, Qatar Company: Sakura Premiums LLCAbout UsSakura Premiums LLC is a forward-thinking company specializing in premium digital solutions and innovative technologies. With a strong focus on blockchain and decentralized systems, we are committed to reshaping industries through secure, transparent, and scalable platforms. As part of our expansion in Doha, we are seeking a visionary Blockchain Strategy Lead to spearhead our blockchain initiatives and drive strategic adoption.Role OverviewThe Blockchain Strategy Lead will be responsible for defining and executing the company&rsquo;s blockchain roadmap, overseeing research and development, and aligning blockchain solutions with business objectives. This leadership role requires deep technical expertise, strategic foresight, and the ability to collaborate across teams and industries.Key Responsibilities<ul><li>Develop and implement blockchain strategies to support business growth.</li><li>Lead research and development of blockchain-based products and services.</li><li>Collaborate with product, engineering, and operations teams to integrate blockchain solutions.</li><li>Evaluate emerging blockchain technologies and recommend adoption strategies.</li><li>Ensure compliance with security, regulatory, and governance standards.</li><li>Build partnerships with industry stakeholders, vendors, and regulators.</li><li>Mentor and lead a team of blockchain developers and analysts.</li><li>Report regularly to senior leadership on blockchain initiatives and outcomes.</li></ul>Qualifications<ul><li>Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Information Technology, or related field (PhD preferred).</li><li>8&ndash;10 years of experience in blockchain, fintech, or digital transformation, with at least 3 years in a leadership role.</li><li>Proven expertise in blockchain frameworks (Ethereum, Hyperledger, Solana, etc.).</li><li>Strong knowledge of smart contracts, decentralized applications (dApps), and tokenization.</li><li>Experience with cloud platforms, cybersecurity, and data governance.</li><li>Excellent leadership, analytical, and communication skills.</li><li>Ability to manage multiple priorities in a fast-paced environment.</li><li>Fluency in English; Arabic is a strong advantage.</li></ul>Why Join Us?<ul><li>Be part of a pioneering company driving blockchain innovation in Doha.</li><li>Play a key role in shaping Sakura Premiums LLC&rsquo;s blockchain strategy.</li><li>Competitive executive compensation and benefits package.</li><li>Opportunities for professional development and international exposure.</li><li>Collaborative, innovative, and technology-driven work culture.</li></ul>Job Type: Full-timePay: Up to QAR40,500.00 per monthWork Location: In person

Blockchain Strategy Lead

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