Senior Back-End Engineer, Institutional OTC

As a Senior Back-End Engineer at Blockchain.com, you'll be responsible for designing and implementing low latency and scalable trading services. This includes building the Order Management System, managing risk systems, and ensuring efficient order execution in a high-frequency trading environment. You'll also collaborate with other tech teams to enhance product performance and ensure a secure environment for user data.

To qualify for the Senior Back-End Engineer role at Blockchain.com, candidates should have extensive experience in programming languages such as C++ and Rust and experience with Python and SQL. Knowledge in multithreading, network programming, and systems architecture, particularly related to trading systems and Order Management Systems, is essential. A strong foundation in algorithms, data structures, and distributed systems is also required.

Blockchain.com is committed to the professional growth of its employees, offering budgets for learning and development, a Work from Anywhere policy, and access to tools like ClassPass. The company also has an unlimited vacation policy, encouraging a balanced work-life that fosters creativity and productivity.

A successful candidate for the Senior Back-End Engineer position at Blockchain.com should be proficient in Rust and/or C++, with experience in Python and SQL. Familiarity with multithreading and network programming is crucial, as is experience in performance benchmarking, tuning, and high-throughput, low-latency systems that are common in trading platforms.

In the Senior Back-End Engineer role at Blockchain.com, you’ll primarily work with Rust for developing scalable trading services. The tech stack includes components related to Order Management Systems, risk management, and market data processing, demanding a solid understanding of both high-performance programming techniques and secure coding practices.

When answering this question, focus on any specific projects or systems you've worked on that required optimizing for low latency and high throughput. Discuss the technologies you used, the challenges you faced, and the strategies you implemented to achieve those performance objectives.

Provide examples of security protocols and advanced encryption schemes you've implemented. Highlight your understanding of security best practices, particularly in the context of handling sensitive financial data and ensuring compliance with regulations.

To tackle this question, explain your familiarity with OMS architecture, your role in maintaining or developing these systems, and any improvements you made in terms of efficiency, performance, or functionality. Use specific metrics to quantify your impact when possible.

Discuss the tools and methods you find effective for performance benchmarking, including load testing and profiling to identify bottlenecks. Provide insights into how you analyze results and iteratively improve system performance.

Explain your philosophy regarding testing, emphasizing its importance throughout the development lifecycle. Describe how you incorporate unit tests, integration tests, and end-to-end testing to ensure high-quality software delivery.

Share a specific example of a complex engineering challenge you encountered. Discuss your thought process, the steps you took toward solving it, and the outcome. This showcases your problem-solving skills and technical capabilities.

When answering, discuss your proficiency in C++, Rust, and any other languages relevant to the position. Highlight your favorite features that you appreciate in these languages and how they contribute to your coding efficiency.

Provide examples of how you've successfully managed projects under time constraints. Discuss your prioritization strategies, and how you maintain quality while delivering on time.

Explain your hands-on experience with multithreading, including specific projects where you implemented it. Discuss challenges you faced and how you ensured thread safety, as well as performance benefits you achieved.

Share your insights on the direction of cryptocurrency exchanges, innovations you foresee, and how you think technology will evolve in this sector. Your perspective should reflect industry knowledge and alignment with Blockchain.com's mission.