We are looking for a Senior Backend Engineer to join our and support our Trading Desk Team at Coinhako. In this role, you will be responsible for designing, developing, and maintaining high-performance tooling that power our internal Trading team. You’ll also be required to collaborate with cross-functional teams to ensure seamless integration across systems, optimize transaction workflows, and enhance trading reliability, scalability and operationally. What you'll be doing: • Design, build, and maintain backend services and internal tools that support Coinhako’s Trading Desk operations. • Integrate with exchanges, liquidity providers, trading venues, and internal systems using REST APIs, WebSocket, and FIX where applicable. • Improve the reliability, scalability, latency, and observability of internal trading systems. • Automate manual trading operations and reduce operational risk through better tooling and system design. • Participate in all phases of the development life cycle such as developing, code review, testing, and debugging. What we're looking for: • Minimum 5-6 years of professional work experience as a Software Engineer in designing and building Trading systems. • Strong background in Python or Go, knowledge in C++ will be an advantage. • Strong communication and interpersonal skills. • Experience with REST APIs and WebSocket, and FIX connectivity. • Familiarity with the trade lifecycle, financial products, trading venues, risk controls, and execution workflows. • Experience building trading infrastructure such as order management, execution, market data, risk, reconciliation, or post-trade workflows. • Exposure to low-latency, high-throughput, or high-frequency trading systems is a strong advantage. • Experience with cloud and infrastructure tooling such as AWS, Docker, and Terraform. • Experience building systems using SQL and NoSQL databases. • Comfortable working in a fast-paced work environment. • Demonstrate a collaborative attitude with a bias toward action. • Experience working in Cryptocurrency/Blockchain/Fintech/Financial firms. What’s in it for you: • Friendly and fun start-up work culture. • Convenient work location located in the heart of CBD area. • Generous annual leaves on top of national holidays. • Medical coverage including GP, Specialist, TCM, and more. • Self-care benefits and exciting fitness workshops/webinars. • Vibrant office with a well-stocked pantry. Find out more about Coinhako @https://www.coinhako.com/ and don't forget to visit our Careers Page @https://www.coinhako.com/join-us! By submitting your application to us, you consent to the collection, use, disclosure and processing of your personal data in accordance with our privacy policy, which is accessible at https://www.coinhako.com/legal/sg-1/privacy_policy.