Senior Backend Engineer (Crypto)

Bibit.id; Penengahan; On-site; IDR 200.000.000 - 300.000.000; Full time

Job summary

A leading crypto fintech company is seeking a Backend Engineer to design and build backend systems for their crypto exchange and wallet services. The ideal candidate has over 3 years of experience in backend engineering, strong skills in Go programming, and a solid understanding of RESTful APIs and high-performance design. You will ensure security and scalability in a fast-paced environment. This role is based in Lampung, Indonesia.

Qualifications

• 3+ years of backend engineering experience, preferably in fintech/crypto.
• Strong programming skills, with a preference for Go.
• Experience with Docker/Kubernetes and cloud platforms.

Responsibilities

• Design and maintain backend services for crypto trading and wallet systems.
• Build APIs for real-time transaction processing.
• Ensure reliability and scalability for high-volume transactions.

Skills

Backend engineering experience

Programming skills in Go/Java/Python

Understanding of RESTful API

High-performance backend design

Experience with RDBMS and NoSQL

Problem-solving skills

Tools

Docker

Kubernetes

AWS

GCP

Job description

We are looking for a strong Backend Engineer to join our Crypto team at Stockbit. You will play a key role in designing and building backend systems that power our crypto exchange and wallet services, ensuring security, scalability, and reliability. This role requires deep technical expertise in backend development, plus an understanding of crypto products, trading systems, and secure financial transactions.

What You’ll Do

• Design, develop, and maintain backend services for crypto trading, wallet, and payment systems.
• Build high-performance APIs for order matching, deposits/withdrawals, and real-time transaction processing.
• Implement secure integrations with blockchain networks, custodians, and payment gateways.
• Ensure system reliability, scalability, and fault tolerance for high-volume crypto transactions.
• Collaborate with product, frontend, and security teams to deliver end-to-end crypto product features.
• Write clean, tested, and maintainable code following best engineering practices.
• Monitor performance, troubleshoot, and improve backend infrastructure.
• Stay up to date with blockchain, crypto, and security best practices.

Requirements

• 3+ years of backend engineering experience (preferably in fintech/crypto).
• Strong programming skills in Go / Java / Phyton (Stockbit’s core stack is Go preferred).
• Deep knowledge of RESTful API / gRPC, microservices, and event-driven architecture.
• Solid understanding of concurrency, distributed systems, and high-performance backend design.
• Experience with RDBMS (PostgreSQL/MySQL) and NoSQL (Redis, MongoDB, etc.).
• Experience with message brokers (Kafka, RabbitMQ, etc.) for real-time transaction processing.
• Hands‑on experience with blockchain/crypto integration (wallet services, Web3 APIs, smart contracts, exchange systems) is a big plus.
• Familiarity with security best practices: encryption, key management, KYC/AML compliance.
• Experience with Docker/Kubernetes and cloud platforms (AWS/GCP).
• Strong problem‑solving skills, ownership mindset, and ability to work in a fast‑paced environment.

Nice to Have

• Prior experience in a crypto exchange, DeFi, or financial trading platform.
• Knowledge of matching engine design for trading systems.
• Understanding of regulatory and compliance frameworks in crypto/fintech.
• Contributions to open‑source blockchain/crypto projects.