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