Senior/Lead Golang Backend Engineer

The Bullish Group has built an ecosystem focused on developing financial services for the digital assets sector through technology and investment businesses. These include:

Bullish Exchange - digital asset trading services that utilize central limit order matching and proprietary market making technology to deliver deep liquidity and tight spreads within a compliant framework. The business is licensed by the Hong Kong SFC, German Federal Financial Supervisory Authority (BaFIN), and the Gibraltar Financial Services Commission. Since its launch in November 2021, Bullish Exchange has surpassed US$1.1 trillion in total trading volume, with 2H 2024 volume exceeding US$2 billion per day.

Bullish Capital - an investment company which offers strategic capital, industry expertise and an extensive network of resources to support initiatives that connect conventional finance with the revolutionary possibilities of the digital economy.

CoinDesk - an award-winning media, events, indices and data business servicing the global crypto economy.

Reports to: Manager, Engineering, CoinDesk

We are looking for talented and experienced engineers to become integral members of our dynamic software engineering team. In this role, you will collaborate with a skilled group of engineers, technical leads, and senior product managers to design, develop, and enhance systems that efficiently ingest, process, and deliver high-throughput cryptocurrency market data. Your contributions will be pivotal in ensuring the reliability and performance of our data-driven solutions.

This opportunity will also involve leveraging various external APIs and creating new APIs to expand and enhance our extensive data platform. You will have the chance to work with cutting-edge technologies and play a key role in integrating multiple data sources, enabling seamless data flow and accessibility. Your expertise will be crucial in building scalable and robust API solutions that support our mission to provide accurate and timely market insights.

If you are passionate about working with real-time data, building scalable solutions, and shaping the future of the digital asset space, this role offers a chance to make a significant difference.

Please note this role will be on-site in the London office.

Key Requirements

1. Designing and implementing high-throughput data services, with a strong focus on scalability, reliability, and performance.
2. Taking ownership of key technology decisions, balancing trade-offs between quality, maintainability, and optimal performance.
3. Collaborating closely with data and infrastructure teams to ensure seamless integration and efficient workflows.
4. Conducting thorough code reviews, promoting best practices, and continuously seeking opportunities to enhance team processes and standards.
5. Creating comprehensive internal documentation for the systems you design, ensuring clarity and knowledge sharing across teams.
6. Deep understanding and practical experience in writing unit, integration, and end-to-end tests to ensure reliability, accuracy, and performance of applications.
7. Fluent in English, both verbal and written, with the ability to communicate complex technical concepts effectively.

Experience & Qualifications

1. Proven experience in building high-throughput and reliable systems that can scale effectively.
2. Proficiency in Go, with a track record of writing clean, efficient, and maintainable code.
3. Familiarity with both relational and non-relational database architectures (experience with PostgreSQL and Redis is a strong plus).

Nice to have

1. Experience designing and implementing scalable solutions to handle high-throughput systems, including websocket APIs and services.
2. An understanding of queue or stream based messaging systems.
3. Hands-on experience with Redis and/or PostgreSQL.
4. Strong mathematical background or knowledge, particularly in numerical computations and algorithms, is a significant advantage.
5. A degree in Computer Science or a related field, or equivalent professional experience in a technical discipline.
6. Genuine interest or prior experience in traditional financial markets or the cryptocurrency industry.

Bullish is proud to be an equal opportunity employer. We are fast evolving and striving towards being a globally-diverse community. With integrity at our core, our success is driven by a talented team of individuals and the different perspectives they are encouraged to bring to work every day.