DeFi Jobs

We’re seeking a talented C engineer to help us build and optimize high-performance blockchain software. Your main tasks will involve writing software for the validator, adding new features, maximizing throughput, and minimizing block times to ensure top performance. You'll also collaborate with external contributors to shape your work and influence the project's direction.

Ideal candidates will have a background in high-frequency trading applications, be experts in high-performance software, and can take major projects from early design to completion. Strong communication skills are necessary to work well with team members from various specializations and the broader crypto community.

Location: Chicago, IL (preferred but not mandatory)

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About Our Team and Your Role

We’re a well-rounded team: half of us are tech whizzes, while the other half excel in building partnerships with data providers, developers, and the DeFi community. Communication is key to our network-driven approach.

Remote Work: Our team is spread across the globe, from the US and South America to Europe and Asia, with an optional office in Porto, Portugal. Remote work is the norm here.

Language Proficiency: English proficiency is essential as it’s our primary communication language.

Startup Vibe: We thrive in the dynamic DeFi space and love adaptable problem solvers who are eager to meet evolving market needs.

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Your Responsibilities

• Develop, tune, deploy, and support a super high-performance blockchain.

• Write highly optimized C code to add new features to the blockchain validator.

• Team up with other specialized engineers to diagnose and solve performance issues across all software, hardware, and networking levels.

• Manage software development projects from start to finish, including requirements gathering, design review, implementation, deployment, and documentation.

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Desired Skills and Experience

• 5+ years of C/C++ programming experience in a Linux environment, preferably with low-level or embedded software applications (e.g., high-frequency trading software).

• Strong understanding of computer systems, including operating systems, networks, and performance optimization.

• FPGA programming experience

• Deep networking knowledge (Ethernet, TCP/IP, etc.), with low-level expertise preferred.

• Excellent written and verbal communication skills.

• Strategic thinking and maturity in tackling complex problems involving people, technology, and processes.

• Degree in Computer Science, Computer Engineering, or a related field.

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We’re building the most talented team in the world.

Think you’ve got what it takes? We’d love to meet you!

🫂 At Douro Labs, we value diversity and inclusion in our workplace. We are an equal-opportunity employer committed to preventing discrimination or harassment. We oppose unfair treatment based on protected characteristics such as race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law. This policy applies to all aspects of employment, including hiring, promotion, termination, leave, and apprenticeship. Our hiring decisions are based on qualifications, merit, and business needs. We strive to create an inclusive and welcoming environment for everyone.