FullStack Engineer Blockchain

This role is for one of the Weekdays clients Min Experience: 3 years

Location: Remote (India)

JobType: full-time

We are seeking an exceptional

Full Stack Engineer (Blockchain)

to join our innovative, cross‑functional team. You’ll work at the intersection of blockchain, full‑stack development, and modern DevOps, contributing to cutting‑edge decentralized applications and blockchain‑based solutions.

Key Responsibilities

Participate in software design discussions and contribute to architecture diagrams, API specifications, and technical blueprints.

Develop and maintain full‑stack applications using

JavaScript, TypeScript, Node.js , and modern frameworks for both frontend and backend systems.

Design, build, and deploy

smart contracts

on Ethereum and other blockchain networks.

Integrate

crypto payment gateways

and blockchain APIs into existing systems.

Manage deployment pipelines using

DevOps tools

such as Docker, Kubernetes, GitLab, Jenkins, and GitHub.

Implement and optimize blockchain protocols including

Ethereum, Bitcoin, and side‑chains .

Ensure strong security and cryptographic standards across all blockchain operations, including

key management , encryption, and data protection.

Build and maintain

REST APIs

and real‑time applications using frameworks such as

React.js, Vue.js, Node.js , and messaging systems like

Redis and RabbitMQ .

Create responsive, dynamic user interfaces with

Bootstrap, CSS3, AJAX, and jQuery .

Write and maintain comprehensive technical documentation, including design, implementation, and deployment guides.

Collaborate with product managers, blockchain architects, and external partners to design

POCs (Proof of Concepts)

and

MVPs (Minimum Viable Products) .

Provide mentorship and technical guidance to team members and support ongoing product maintenance.

Participate in client discussions and product demonstrations when required.

Required Experience & Skills

Strong experience in

smart contract development

on Ethereum.

Proficiency in

TypeScript, Node.js , and experience with

Ethereum or Bitcoin ; exposure to other blockchain ecosystems is a plus.

Hands‑on experience with

crypto payment gateway integrations .

Familiarity with

DevOps tools and CI/CD pipelines

(Docker, Kubernetes, GitLab, Jenkins).

Deep understanding of

distributed ledger technologies, consensus algorithms , and

cryptographic principles .

Solid knowledge of

blockchain data structures, security design patterns , and

HSM‑based key management .

Proven experience in

REST API development

and modern JavaScript frameworks ( React.js ,

Vue.js ).

Strong understanding of

web technologies

including Bootstrap, AJAX, and jQuery.

Excellent problem‑solving and collaboration skills, with the ability to work in fast‑paced environments.

Preferred Qualifications

Bachelor’s Degree in

Computer Science, Engineering , or a related field.

Experience contributing to

open‑source blockchain projects .

Strong understanding of

cryptographic security ,

distributed systems , and

cloud‑native deployments .

Prior experience testing or developing

blockchain‑based products

or

decentralized systems .

Skills:

Blockchain Development, Smart Contracts (Ethereum), TypeScript, Node.js, React.js, Crypto Payment Integration, DevOps (Docker, Kubernetes, Jenkins), REST API Development, Cryptography, Distributed Ledger Technology

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