BITFIT LABS PTE LTD

Founded in Singapore in April 2026, BitFit Labs is a dynamic software development startup dedicated to building high-quality, custom blockchain-related products tailored specifically to our customers' requirements. Our diverse product lineup includes centralized/decentralized cryptocurrency exchange solutions, secure crypto wallets, smart contracts, dApps, and more. We turn complex blockchain capabilities into seamless, secure, and intuitive user experiences for clients worldwide.

Back-end Developer

Location

Singapore

Posted

4 days ago

Salary

0

Seniority

Mid Level

Job Description

Back-end Developer

BITFIT LABS PTE LTD

Role Description We are seeking a robust Backend Engineer to design, build, and scale the core services powering our customer-tailored products. You will be responsible for the architecture behind our cryptocurrency exchange solutions, wallet transaction management, and secure APIs that bridge off-chain data with on-chain smart contracts. - Architecture: Design and implement scalable, secure APIs (REST/GraphQL) and microservices using Node.js (NestJS) or Go/Rust. - Core Product Development: Build logic for crypto exchange order books, wallet transaction routing, and secure user management systems. - Data & Blockchain Management: Handle integration with blockchain networks, transaction tracking, and secure database management (PostgreSQL, Redis). - Security First: Ensure high-grade security standards for financial data, user assets, and system integrations. Qualifications - 3+ years of backend development experience, preferably in fintech, e-commerce, or crypto-focused environments. - Deep expertise in Node.js (TypeScript), Go (Golang), or Rust. - Strong knowledge of relational/non-relational databases, caching strategies, and asynchronous event processing. - Ability to understand diverse customer requirements and translate them into clean, modular backend architecture.

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