Back End Developer(DeFi)

PancakeSwap; Hong Kong; On-site; HKD 600,000 - 900,000; Full time

Job summary

PancakeSwap in Hong Kong is seeking an experienced Backend Engineer passionate about crypto and DeFi to design, build, and maintain scalable backend services and microservices that power our platform.

You will collaborate with a diverse team to integrate with DeFi protocols, implement secure APIs, deploy on cloud platforms, and manage containerized services on Kubernetes to ensure high concurrency and reliability.

Qualifications

• 5+ years of backend development experience.
• Strong knowledge of TypeScript as a backend language.
• Experience with Kubernetes in production environments.
• Deep understanding of concurrency, distributed systems, and messaging.
• Experience with smart contracts and Ethereum/Solana ecosystems.
• Experience with microservices and API design.

Responsibilities

• Design, develop, and maintain scalable backend services and micro-services.
• Collaborate with cross-functional teams to integrate with DeFi protocols.
• Build secure, efficient, and reliable APIs for crypto services.
• Develop and deploy infrastructure on cloud platforms for scalability.
• Operate containerized services on Kubernetes, managing deployments and scaling.
• Design systems to handle high concurrency with data consistency.
• Analyze and optimize system performance and reliability.
• Stay updated on blockchain, DeFi, and backend tech trends.

Skills

Typescript

Rust

Kubernetes

Concurrency management

Smart contracts

Microservices

Distributed systems

APIs

Cloud platforms

Problem solving

Communication

PostgreSQL

Redis

TheGraph

Tools

AWS

DigitalOcean

Job description

We are seeking an experienced Backend Engineer who is passionate about crypto and DeFi, and has a deep understanding of micro-services architecture. You will work closely with a diverse team of engineers to design, develop, and maintain backend services that support our crypto platform.

Your Responsibilities

• Design, develop, and maintain scalable backend services and micro-services.
• Work with cross-functional teams to integrate with DeFi protocols and other blockchain solutions.
• Implement secure, efficient, and reliable APIs to power our crypto services.
• Develop and deploy infrastructure on cloud environments to ensure scalability and performance.
• Build and operate containerized services on Kubernetes, managing deployments, scaling, and reliability.
• Design systems that safely handle high concurrency, ensuring data consistency and stability under heavy load.
• Analyze and optimize system performance and stability.
• Stay current with the latest developments in blockchain, DeFi, and backend technologies.

Skills & Qualifications

• 5+ years of experience in backend development.
• Strong knowledge of modern backend programming languages such as Typescript (must have), Rust (nice to have).
• Hands-on experience with Kubernetes and container orchestration in production environments.
• Strong understanding of concurrency management — handling concurrent requests, race conditions, distributed locking, async processing, and message queues.
• Experience working with smart contracts and Ethereum-based / Solana-based applications.
• Experience working with microservices and distributed systems.
• Deep understanding of blockchain, cryptocurrency, and DeFi concepts.
• Hands-on experience building APIs and integrating with third-party services.
• Experience with cloud platforms (e.g., AWS, DigitalOcean).
• Strong problem-solving skills and attention to detail.
• Excellent communication skills and a collaborative mindset.

Good to Have

• Familiarity with database technologies like PostgreSQL, Redis, or similar.
• Previous experience working in a startup or fast-paced environment.
• Experience with indexing solutions such as TheGraph or Subsquid.

Why Join Us?

• Work on cutting-edge technology in the exciting field of blockchain and DeFi.
• Join a passionate, knowledgeable, and supportive team.
• Opportunities for growth and development in the fast-evolving crypto space.