Manish Singh

Full-Stack Developer
Jamshedpur, IN.

About

Results-driven Full-Stack Developer with 5+ years of expertise in architecting and deploying scalable fintech and Web3 solutions, leveraging Node.js, React.js, and PostgreSQL. Proven success in developing crypto payment gateways, cross-border payout systems, KYC/KYB, and loyalty programs. Recognized for rapid execution, adaptability, and complex problem-solving, exemplified by independently building a WordPress payment plugin and mastering new tech stacks.

Work

RocketFuel Blockchain
|

Full Stack Developer

Remote, Remote, US

Summary

As Full Stack Developer, led the engineering of scalable crypto payment gateways and Web3 compliance solutions for global cross-border transfers.

Highlights

Engineered and scaled a one-click crypto pay-in/payout system across EU, US, LATAM, and Australia, leveraging Node.js, PostgreSQL, and MongoDB to support high transaction volumes and integrate complex payment APIs.

Designed efficient process management and job pooling systems for high-volume transactions, simultaneously developing Node.js SDKs and integration architectures to streamline partner adoption.

Implemented comprehensive KYC/KYB workflows, loyalty programs, and Web3-based age verification, ensuring regulatory compliance and boosting user engagement by X%.

Successfully developed a WordPress payment plugin for the payment widget from scratch, demonstrating rapid adaptability and problem-solving in new tech stacks.

Acquaintsoft Tech Pvt Ltd
|

Full Stack Developer

Ahmedabad, Gujarat, India

Summary

As Full Stack Developer, developed and maintained high-performance web and mobile applications, integrating critical third-party services and mentoring junior talent.

Highlights

Developed and launched scalable web and mobile applications, significantly enhancing performance and usability for diverse user bases.

Designed and maintained robust backend architectures using Node.js and PostgreSQL, ensuring system stability and data integrity for critical operations.

Successfully integrated critical third-party services, including payment gateways, email providers, and cloud storage, to expand application functionality and user reach.

Mentored 3+ junior developers, conducted technical interviews, and streamlined onboarding processes, fostering team growth and improving productivity.

Collaborated closely with UI/UX designers, ensuring the delivery of highly responsive and interactive applications that met user experience goals.

Hashbinary
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Full Stack Developer

Mumbai, Maharashtra, India

Summary

As Full Stack Developer, built user-friendly web interfaces and implemented robust RESTful APIs to optimize frontend-backend communication.

Highlights

Built user-friendly web interfaces, improving overall UI/UX and increasing user engagement by optimizing interaction flows.

Implemented robust RESTful APIs, optimizing efficient and secure frontend-backend communication for enhanced data exchange.

Collaborated with cross-functional teams to identify and resolve critical bugs, enhancing product features and ensuring system stability.

Education

Dhaneswar Rath Institute of Engineering and Management Studies
Cuttack, Odisha, India

Bachelor of Technology (B.Tech)

Computer Science

Grade: 7.2 CGPA

Kerala Public School
Kadma, Jharkhand, India

ISC

Intermediate

Grade: 84%

Kerala Public School
Kadma, Jharkhand, India

ICSE

Matriculation

Grade: 84%

Languages

English

Skills

Programming Languages

JavaScript (ES6+), SQL, NoSQL, Solidity.

Frontend Development

React.js, Vue.js, Next.js.

Backend Development

Node.js (Express, HAPI), REST APIs.

Mobile Development

React Native.

Databases

MongoDB, PostgreSQL, MySQL.

Blockchain & Web3

Ethereum Smart Contracts, Web3.js, Ethers.js, Contract Deployment & Interaction, Remix IDE.

Styling & UI

SASS, SCSS, Material UI, Bootstrap.

DevOps & Tools

Git, Bitbucket (CI/CD), AWS, Kafka.

CMS

WordPress (plugin development & customization).

Projects

RocketFuel Blockchain (Project)

Summary

Developed a secure and scalable crypto payment gateway and payout system handling high-volume, real-time cryptocurrency transactions.

Star Tutor

Summary

Built an online tutoring platform enabling flexible class scheduling, video lectures, and interactive learning.

1Tab

Summary

Developed an online medicine ordering portal with real-time inventory tracking.

FlyMeOut

Summary

Created a React Native-based trip matchmaking platform featuring real-time chat and notifications.

Invock

Summary

Developed a digital shop management platform for offline store owners to manage inventory, orders, and sales.