Tech Lead – E-commerce, Merchant Platform / SDK

Hyphen Connect; Singapore; Hybrid; SGD 120,000 - 150,000; Full time

Job summary

A crypto wallet and payment network startup is seeking a Tech Lead to oversee the development of their e-commerce marketplace and merchant integration products. This role involves defining the technical strategy and managing a team to ensure seamless crypto payment integration. Candidates should have extensive experience in software engineering and a strong knowledge of crypto technologies. The position is based in Singapore or Hong Kong.

Qualifications

• 8+ years of software engineering experience, with 3+ as a tech lead.
• Proven experience in e-commerce marketplace development.
• Expertise in modern tech stacks.

Responsibilities

• Define technical strategy for e-commerce marketplace.
• Lead development of merchant APIs and payment systems.
• Manage and mentor engineering teams.

Skills

Software engineering

E-commerce marketplace development

Crypto payment integration

Full-stack development

Strong communication skills

Tools

Node.js

React

Solidity

Hardhat

Foundry

Job description

Tech Lead – E-commerce, Merchant Platform / SDK

Job Summary

We are hiring for an innovative crypto wallet and payment network startup who are looking for a Tech Lead to oversee the development of our e-commerce marketplace and merchant integration and SDK products supporting the crypto wallet app. You will drive the technical strategy for a marketplace service, physical and digital merchant payment systems, and client facing SDKs, ensuring seamless crypto payment integration.

Responsibilities

• Define technical strategy for the e-commerce marketplace and merchant integration products, focusing on crypto payments.
• Lead the selection and customization of a white label or prebuilt e-commerce platform to create a marketplace service within the app.
• Oversee development of merchant APIs, POS systems, and admin/developer/customer portals for crypto payments.
• Manage and mentor a team of engineers (full-stack, backend, mobile) across e-commerce and merchant projects.
• Collaborate with external stakeholders (e.g., merchants, developers) to align requirements with the platform.
• Ensure security and scalability of smart contract-based backend systems and payment flows.

Qualifications

• 8+ years of experience in software engineering, with 3+ years in a tech lead or senior engineering role.
• Proven experience in e-commerce marketplace development and crypto payment integration.
• Expertise in full-stack development and modern tech stacks (e.g., Node.js, React, Solidity).
• Strong understanding of blockchain technology, smart contracts, and crypto wallets (e.g., Hardhat, Foundry).
• Experience leading distributed teams, ideally in e-commerce or fintech.
• Ability to work in Hong Kong or Singapore (or travel periodically) and align with local time zones.

Preferred Skills

• Background in DeFi or crypto payment gateways, or similar full stack ecommerce development experience.
• Experience with marketplace platforms like Shopify or OpenCart, with a focus on crypto integration.
• Familiarity with React Native and mobile-first development environments.
• Strong communication skills for stakeholder engagement and team leadership.