(Junior) Software Engineer (Tech Development Labs)

Hyphenconnect

Taiwan permanent

Posted: January 16, 2026

Quick Summary

We are looking for a Junior Software Engineer to support the development of backend services for payment verification and settlement in our non-custodial Web3 payment service. The ideal candidate will have experience with secure system design and blockchain components, and be able to learn best practices in this area.

Required Skills

Job Description

We are partnering with an early-stage infrastructure company building a non-custodial Web3 payment service that enables developers to monetise APIs using blockchain-based settlement.The system focuses on security, reliability, and clean developer experience, and is being built by a small, senior engineering team in Taiwan.

As a Junior Software Engineer, you will support the development of backend services for payment verification and settlement. You will work alongside senior engineers to implement APIs, integrate blockchain components, and learn best practices in secure system design and production operations.

Responsibilities

• Implement backend API endpoints under guidance from senior engineers

• Assist with request validation, signature verification, and replay protection logic

• Integrate blockchain RPC calls and support transaction status tracking

• Write and maintain unit and integration tests

• Help improve system observability, logging, and monitoring

• Contribute to developer documentation and example integrations

• Participate in code reviews and on-call learning rotations

Qualifications

• 1–3 years of software engineering experience or strong internship/project background

• Familiarity with TypeScript, JavaScript, or Node.js (Rust exposure is a plus)

• Basic understanding of REST APIs and backend system design

• Interest in blockchain, Web3, or cryptography-based systems

• Ability to learn quickly and work in a fast-moving, startup environment

• Clear communication skills and willingness to collaborate closely with the team

• Exposure to Ethereum, Solana, or smart-contract interactions

• Understanding of basic cryptographic concepts (hashing, signatures)

• Experience with Docker, cloud platforms, or CI/CD pipelines

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