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.

Overview of team

Quality Assurance team aims to provide an engineer‑focused testing service with a small, experienced team across all front and middle office systems and processes, using automation to test efficiently and increase quality.

We work across all teams within technology, trading and other areas of the business, building the tools and processes necessary to ensure B2C2 can continue to innovate with quality quickly and create best‑of‑industry systems to clients and internally.

Scope of role

As a quality assurance engineer you will spend time contributing to the build out of strategic functional and non‑functional test frameworks and tooling, balancing this with prioritised release and project testing.

As a member of multiple agile teams as well as the QA horizontal, you will work closely with developers and business stakeholders, and your work will satisfy internal quality assurance goals as well as the visibility of testing required by internal and external stakeholders such as the risk team and regulators.

Key Responsibilities

• Review and maintain regression test packs
• Contribute to the build out of tooling and test frameworks for functional and non‑functional testing
• Own testing and quality assurance for one or more project teams concurrently
• Deliver system and system integration testing for releases
• Facilitate user acceptance testing (UAT) for high‑risk projects
• Automate test build‑out to test new and existing systems and developments
• Report testing to project stakeholders to enable gain testing sign‑off and help enable project sign‑off
• Assist support and development teams in reproduction and investigation of production issues, and testing of their subsequent fixes
• Assist the head of QA in organising and managing business‑focused manual test cases and maintaining automated test cases

The above is not an exhaustive list of duties and you will be expected to perform different tasks as necessitated by your changing role within the company and the overall business objectives of B2C2.

Mandatory Skills

• Develop test automation frameworks for complex systems
• Code in Java and develop Java‑based test automation frameworks
• Build and use tooling for non‑functional testing
• Perform test analysis and test case creation with a risk‑based focus
• Investigate complex issues across a system stack

Preferred Skills

• Working knowledge of Python and Rust, adaptable to understanding and using other languages
• Apply test analysis to high‑frequency trading systems with a functional and non‑functional focus
• Working knowledge of KDB and Q
• Use of AWS and Kubernetes
• Knowledge of trading and middleware protocols and technologies including Redis, FIX protocol, REST APIs, WebSockets
• Have a keen interest in trading systems and crypto

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 in a healthy environment
• Risk Aware – Informed decision‑making and considered in our practices

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.