IT Senior KDB Developer

About B2 C2

B2C2 is a digital asset pioneer building the ecosystem of the future. Founded in 2015 and acquired by the Japanese financial group SBI in 2020, B2C2 remains a standalone company headquartered in the UK, with offices in the US, Japan, Paris, Jersey City, Tokyo, Singapore and Luxembourg. It offers institutional access to crypto by providing reliable liquidity across market conditions, and operates under the UK’s Financial Conduct Authority.

Senior KDB Developer – London headquarters. This dynamic role works closely with front‑office traders and quants, contributing to the design, development and support of our data collections. The position supports a hybrid working model, with the option to work remotely up to two days per week.

• Enhance and develop analytics to provide transparency and insights for management and front‑office teams.
• Develop data ingestion processes to curate, collect and store large volumes of internal trading and external market data.
• Create and optimise a data‑access framework for real‑time dashboards, execution analytics and market micro‑structure research.
• Design and build CEP processes to monitor data anomalies and generate signals.
• Troubleshoot, maintain and enhance system robustness, efficiency and cost.
• Engage in the entire software lifecycle: research, piloting, implementation, comprehensive testing, release and post‑release support.

• Minimum of 5 years’ professional data/analytics development.
• Strong expertise in KDB+/q.
• Solid Linux system engineering with low‑level network and kernel knowledge.
• Experience with large storage management, distribution and fault recovery.
• AWS service and Kubernetes configuration.
• Level 1 / 2 / 3 market data handling.
• Big data optimisation, analysis and visualisation.
• Continuous integration and clean, efficient coding practices.

• Python / Java programming.
• Kafka / Redis experience.
• KX Dashboard / Grafana / Jupyter knowledge.
• Docker container build and management.
• Cloud‑based KDB+ deployment.
• Low‑latency / high‑frequency trading.
• Knowledge of crypto, FX and options.

• Global culture with ambitious, innovative and fun values.
• Two discretionary bonus awards a year.
• Benefits in line with local market practice.
• Regular fun events, activities and social impact volunteering days.

B2C2 is committed to a policy of equal employment opportunity for applicants and employees and welcomes applicants from all backgrounds. It applies recruiting, hiring, training, promotion, compensation and professional development practices without regard to race, colour, religion, sex (including pregnancy, sexual orientation and gender identity), national origin, age, disability or any characteristic protected by federal, state or local laws. B2C2 will not tolerate discrimination against any of its employees on the basis of membership in a protected category.

The company is committed to creating an inclusive environment and will consider flexible working arrangements for any role.