Back end Developer (Remote) – Web3 / React

Senior Full-Stack Engineer (Backend-Focused)

B2B SaaS / Web3 Products

About The Company

Is an innovation studio building Web3 and blockchain-based products with a strong focus on developer experience, identity infrastructure, and user-centric design. We work at the intersection of strategy, technology, and design to create scalable B2B solutions and decentralized platforms.

Role Overview

We are looking for a Senior Back End Engineer focus to help design, build, and scale core systems powering B2B SaaS and blockchain-enabled products.

This role is backend-driven, with frontend collaboration as part of delivering complete, production-ready features. You will work closely with product, design, and other engineers, owning key technical decisions and contributing to the overall architecture.

Responsibilities

Design, develop, and maintain scalable backend systems and APIs
Own core backend logic, data models, authentication, and integrations
Collaborate with frontend engineers to deliver end-to-end product features
Participate in architectural decisions and technical planning
Write clean, maintainable, and well-tested code
Work in a product-oriented environment with fast iteration cycles
Contribute to improving developer experience and system reliability
(Bonus) Participate in Web3 or blockchain-related integrations when required

Requirements

5+ years of experience as a Software Engineer or Full-Stack Engineer
Strong experience in backend development (Node.js, TypeScript or similar)
Experience building B2B SaaS platforms (APIs, auth, roles, permissions, integrations)
Solid understanding of databases (SQL and/or NoSQL)
Frontend experience with React / Next.js or similar frameworks
Experience working in startup, scale-up, or product-driven environments
Strong problem-solving skills and ownership mindset
Fluent English (written and spoken)

Nice to Have

Experience working in blockchain or Web3 companies
Familiarity with smart wallets, identity systems, or decentralized infrastructure
Experience with cloud platforms (AWS, GCP, or similar)
Exposure to DevOps practices and CI/CD pipelines

Skills: nest.js,github,redux,ethers.js,react,typescript,backend development,saas,html,next.js,web3,b2b saas,blockchain,node.js,react query,infrastructure

Back end Developer (Remote) – Web3 / React

Key Skills

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