B2c2 is hiring a

Web3 IT - DeFi Connectivity Developer (Mid)

About us:   B2C2 is a digital asset pioneer building the ecosystem of the future.The firm has unlocked institutional access to crypto by providing reliable liquidity across market conditions. B2C2’s success is built on crypto-native technology and continuous product innovation, making it the partner of choice for diverse institutions globally.Founded in 2015 and acquired by Japanese financial group, SBI, in 2020, B2C2 remains a standalone company. Headquartered in the UK, with offices in the US and Japan, B2C2 OTC Ltd. is authorised and regulated by the UK’s Financial Conduct Authority (FRN 810834). We pride ourselves on our company culture and ability to attract not only the top talent but the right people. If you are looking for a role in an exciting new industry, at a dynamic company please keep reading.  About the role: As a DeFi Software Developer, you'll architect and maintain critical infrastructure for multi-chain DeFi operations, with primary responsibility for building and optimizing our connectivity stack that aggregates price streams from diverse DeFi protocols and exchanges. You'll ensure real-time, reliable data flows that power our liquidity-provision, Duties and Responsibilities:

Design, develop and maintain Java native services that interact with blockchain data Implement trading and yield strategies on DEXs, lending platforms and aggregators Build tools for wallet management, transaction monitoring and risk assessment Collaborate with traders, researchers and security experts to ship new strategies Stay ahead of DeFi trends and propose innovative opportunities Lead security-focused code reviews and enforce best practices

Required Skills and experience:

3+ years of professional software-development experience Proficiency in Java and strong Python skills Solid grasp of secure-coding practices and cryptography Habit of writing clean, well-documented, maintainable code Excellent analytical, communication and teamwork abilities Self-starter who thrives in a fast-paced environment Proficiency in English

Nice-to-haves:

Knowledge of blockchain consensus, RPCs and key management Hands-on or theoretical experience with EVM/Solidity and Solana/Rust Familiarity with Uniswap, Aave, Compound and other major DeFi protocols Background in algorithmic trading, market-making or financial services Open-source contributions in blockchain or DeFi Understanding of market microstructure and trading dynamics A strong culture is a common denominator among the most successful companies and B2C2 is proud to be a values-based company.  

Ambitious - Striving to make history through world class achievements Innovative - Forward looking in our solutions for clients and employees Meritocratic - Rewarding positive contribution across the organisation Collegiate - Achieving through teamwork through a healthy environment Risk Aware – Informed decision making and considered in our practices

  Equal Employment Opportunities Policy:   B2C2 is committed to a policy of equal employment opportunity for applicants and employees and we welcome applicants from all backgrounds. It is the policy of B2C2 to apply recruiting, hiring, training, promotion, compensation and professional development practices without regard to actual or perceived race, colour, religion, sex (including pregnancy, sexual orientation and gender identity), national origin, age, disability or certain classifications based on genetic information, or because someone is married or in a civil partnership or any other characteristic protected by federal, state or local laws, regulations or ordinances. As such, B2C2 will not tolerate discrimination against any of our employees on the basis of membership in a protected category. We are also committed to creating an inclusive environment to ensure we attract, engage, promote and retain the best talent. We will consider flexible working arrangements for any of our roles.  

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