Senior Backend Engineer (Crypto)

Stockbit; Daerah Khusus Ibukota Jakarta; On-site; IDR 497.429.000 - 829.050.000; Full time

Job summary

A leading fintech company in Indonesia is seeking a Backend Engineer to design and build backend systems for their crypto exchange and wallet services. The ideal candidate has 3+ years of backend engineering experience, strong programming skills, and a deep understanding of RESTful APIs and microservices. This role offers competitive compensation and opportunities for growth in an innovative environment.

Benefits

Competitive compensation

Growth opportunities

Innovative culture

Qualifications

• 3+ years of backend engineering experience, preferably in fintech or crypto.
• Strong programming skills in Go/Java/Python.
• Deep knowledge of RESTful API, microservices, and event-driven architecture.

Responsibilities

• Design, develop, and maintain backend services for crypto trading and wallet systems.
• Build high-performance APIs for real-time transaction processing.
• Ensure system reliability, scalability, and fault tolerance.

Skills

Backend engineering

Programming in Go

Microservices

RESTful API

Distributed systems

Tools

PostgreSQL

Docker

Kubernetes

Redis

Kafka

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.

• 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.

• Opportunity to build a high-impact crypto product at one of Indonesia’s leading fintech companies.
• Work with a team of passionate engineers solving complex real-world problems.
• Competitive compensation and growth opportunities.
• A culture that values innovation, ownership, and continuous learning.