Software Engineer - Crypto

As a Software Engineer - Crypto based in Spain, you will build and evolve the core technology powering large-scale crypto trading and brokerage services. You will architect and develop exchange, market-making, wallet, funding, and tokenization systems serving millions of users, working on high-throughput, low-latency systems where reliability, scalability, and software quality are critical.

What you'll do

• Design, build, and maintain exchange and market-making systems supporting crypto trading at scale.
• Develop reliable services for crypto wallets, funding, tokenization, and related financial infrastructure.
• Architect and implement backend services and web applications using modern engineering practices.
• Build systems capable of handling high-throughput, low-latency workloads while maintaining reliability and fault tolerance.
• Maintain strong software quality, testing standards, code coverage, and clean, maintainable code.
• Participate actively in code reviews and contribute to technical decision-making.
• Investigate and resolve production incidents, technical issues, and reported bugs.
• Collaborate with cross-functional teams to define technical goals and design solutions that meet business requirements.
• Take part in on-call responsibilities when required to support time-sensitive engineering initiatives.

What you bring

• 4+ years of professional experience in backend software development.
• Proven experience building trading systems, exchanges, matching engines, market-making platforms, or other high-throughput, low-latency financial systems.
• Hands-on experience developing crypto-related products or infrastructure.
• Strong knowledge of financial markets and regulated, fault-tolerant systems.
• Professional experience with at least one modern programming language such as Go, C, or C++, with strong Go experience particularly relevant.
• Bachelor's or Master's degree in Computer Science, a related technical discipline, or equivalent practical experience.
• Experience working with messaging queues and message brokers.
• Solid SQL and relational database knowledge.
• Hands-on experience with Bash, Linux, and Docker.
• Strong focus on software quality, reliability, testing, and delivering robust solutions.
• Comfort challenging existing approaches, sharing technical opinions, and taking ownership of engineering decisions.

Nice to have

• Experience with Kubernetes, CI/CD, DevOps practices, major cloud platforms such as AWS, GCP, or Azure, microservice architectures, Agile/Scrum, or clean-code principles.
• Kubernetes certifications such as CKA or CKAD.

What we offer

• Competitive salary and stock options.
• Health benefits.
• One-time USD 500 home-office setup allowance for new hires.
• USD 150 monthly stipend provided through a Brex Card.
• Remote-friendly working environment with a globally distributed team.
• High level of autonomy and ownership over technical solutions.
• Collaboration with experienced engineers, traders, and financial technology professionals.
• Exposure to complex, high-throughput systems serving users and financial institutions globally.