Engineer Jobs in Web3

About us: Founded in 2015, B2C2 is a global leader for institutional liquidity within digital assets. We bring 24/7 365 days a year deep, reliable pricing for spot, futures, options, CFDs, and NDFs across all market conditions. Our growing team has deep expertise across pricing, structuring, risk, systems, and regulation. B2C2 bridges the gap between traditional financial and digital assets, and is relied upon by brokerages, exchanges, banks, fund managers, and other institutions to provide 24/7 liquidity. Headquartered in London, with global offices in Paris, Jersey City, Tokyo, Singapore, and Luxembourg, our fast-growing team has expertise in traditional financial and crypto markets. 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.    This role sits within the Funding and Exchange Squad. The primary mission is to reduce operational incidents by implementing robust end-to-end integration tests that bring stability to our trading and risk components. As a Senior QA Engineer, you will transition beyond generic testing to build a scalable automated testing framework specifically for our exchange trading stack.  Key Responsibilities

Stability Engineering: Implement end-to-end integration tests specifically designed to stabilize trading and risk components Framework Scaling: Assess and improve the existing automated testing framework to ensure it is user-friendly and scalable for the exchange trading stack Integration Testing: Take ownership of testing integrations with external sources and specific exchange integrations Issue Investigation: Assist support and development teams in reproducing and investigating complex production issues across the system stack Stakeholder Collaboration: Work as a key member of the agile Funding and Exchange team, satisfying internal quality goals and visibility requirements for risk teams and regulators

Required Skills & Experience

Finance Background: Extensive experience in technical testing within a financial services or high-frequency trading environment Exchange Integration: Proven track record of testing integrations with external sources, specifically Exchange integrations Technical Proficiency: Ability to code in Java and develop Java-based test automation frameworks for complex systems Risk-Based Analysis: Expert test analysis and test case creation with a strict focus on risk-based outcomes System Stack Knowledge: Experience investigating complex issues across a full system stack

Preferred Skills

Language Versatility: Knowledge of Python, Rust, or KDB/Q Infrastructure: Experience with AWS, Kubernetes, and middleware like Redis Protocols: Deep understanding of trading protocols including FIX, REST APIs, and Websockets Domain Interest: A keen interest in the evolution of trading systems and the crypto industry 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.