Software (Blockchain) Engineer

Douro Labs; Porto; On-site; EUR 90,000 - 130,000; Full time

Job summary

Douro Labs is seeking a Senior Blockchain Engineer to build market data infrastructure for DeFi. You will develop smart contracts, SDKs, and tooling, while contributing to product direction in a globally remote team.

4+ years of software experience required; Rust, Solidity, Python, and TypeScript are central to the stack. The role offers a fully remote setup with an optional Porto office.

Qualifications

• Minimum 4 years of software engineering experience.
• Experience with large-scale, safety-critical systems is a bonus.
• Smart contract and blockchain development is beneficial but not mandatory.
• Backend engineering with Rust or C++ can compensate for blockchain experience.

Responsibilities

• Ideate, develop, and maintain on-chain and off-chain components including smart contracts and SDKs.
• Collaborate with business and sales teams to influence the project's direction.
• Mentor junior engineers and uphold high standards in design and documentation.
• Engage with the developer community, producing SDKs, docs, and tools.

Skills

Rust

Solidity

Python

TypeScript

Backend engineering

C++

DeFi knowledge

Tools

SDKs

Job description

SENIOR BLOCKCHAIN ENGINEER

Build the Future of Decentralized Finance

Remote (Worldwide) Full-Time Engineering Build Market Data Infrastructure for the DeFi Revolution

About the Role

We're looking for skilled software engineers who are excited to build the market data infrastructure driving the future of decentralized finance. In this role, you'll develop smart contracts, build developer SDKs, improve tooling and monitoring, and help shape the product itself. Your understanding of the DeFi landscape will be key in spotting opportunities and pushing the boundaries of what's possible.

About Our Team and Culture

Global Remote TeamTeam spans US, South America, Europe, and Asia Optional OfficePorto, Portugal office available Remote is our normBalanced TeamHalf tech-talented engineers, half partnership experts forging relationships with data providers, developers, and the DeFi communityCommunication-DrivenEnglish proficiency essential—our medium for team and external developer communication in our network-driven approachStartup EnergyThrive in a fast-paced startup environment within the dynamic DeFi space—we value adaptable problem solversOpen SourceWrite open-source software—check out our projects on GitHub for a sneak peek into our workUser-Centric DevelopmentOur success hinges on external developers engaging with our solutions—craft user-friendly APIs and crystal-clear documentation

Your Responsibilities

Smart Contract & Project Development Engage in ideation, creation, and upkeep of both on-chain and off-chain Pyth-related projects, including smart contracts, SDKs, and utility programsStrategic Influence Influence our project's trajectory by working alongside business development and sales teams, shaping the future of financeTeam Leadership & Mentorship Elevate our team by mentoring junior engineers and setting high standards in software design and documentationDeveloper Community Engagement Connect with the developer community, understand their requirements, and craft SDKs, documentation, and tools tailored to them

Desired Skills and Experience

Core Experience At least 4 years of software engineering experienceBonus for experience in large-scale, safety-critical systemsTechnical Skills Smart contract and blockchain development beneficial but not mandatoryFor those without blockchain experience: backend engineering experience and understanding of low-level programming languages (Rust or C++)Keenness to learn or experience with Rust, Solidity, Python, and TypeScriptProfessional Qualities Zest for fast-paced, startup-like environments, adapting swiftly to the ever-changing DeFi marketExceptional technical communication skills for diverse interactions within and outside the teamAbility to nurture engineers of varying skill levelsWillingness to manage periodic on-call responsibilitiesTechnology Stack Rust Solidity Python TypeScript

Position Details

Experience Required4+ years in software engineeringLocationRemote (Worldwide)Office OptionPorto, Portugal (optional)Employment TypeFull-TimeDepartmentEngineering

Our Commitment to Diversity

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 and strive to create an inclusive and welcoming environment for everyone.

Our hiring decisions are based on qualifications, merit, and business needs.

This policy applies to all aspects of employment, including hiring, promotion, termination, leave, and apprenticeship.

Responsibilities

• Engage in ideation, creation, and upkeep of both on-chain and off-chain Pyth-related projects, including smart contracts, SDKs, and utility programs
• Influence our project's trajectory by working alongside business development and sales teams, shaping the future of finance
• Elevate our team by mentoring junior engineers and setting high standards in software design and documentation
• Connect with the developer community, understand their requirements, and craft SDKs, documentation, and tools tailored to them

Requirements

• At least 4 years of software engineering experience
• Bonus for experience in large-scale, safety-critical systems
• Smart contract and blockchain development beneficial but not mandatory
• For those without blockchain experience: backend engineering experience and understanding of low-level programming languages (Rust or C++)
• Keenness to learn or experience with Rust, Solidity, Python, and TypeScript
• Zest for fast-paced, startup-like environments, adapting swiftly to the ever-changing DeFi market
• Exceptional technical communication skills for diverse interactions within and outside the team
• Ability to nurture engineers of varying skill levels
• Willingness to manage periodic on-call responsibilities

Tech stack

• Rust
• C++
• Blockchain development
• Blockchain
• DeFi