C++ Market Data Developer (Contract)

About BMLL: We are a historical data and analytics company, solving some of the most complex and challenging problems in big data and financial markets. We have built an award-winning data analytics platform for processing vast quantities of granular limit order book data and are in the process of productising this platform. We have a fantastic team and our culture is inclusive and highly collaborative, a place where our employees are encouraged to be themselves. We offer a combination of remote and office (London-based) working, weekly team lunches and plenty of office snacks! About the Role: At BMLL we process historical market data in a process we call parsing. This process is equivalent to the feed handlers used in real-time market data processing. We curate the data to ensure the highest quality of delivery to our customers. Every day we consume 250GB of new data across 750,000 securities to deliver into our platform, our dashboard products and data services. These are accessed by our customers who are dependent on our services for their own workflows. The role we are hiring for is to take care of a number of exchange protocol changes that affect the parsers/feed handlers that we run in production, to support the team with bug fixes to existing data parsers, and contribute to the development of new BMLL Data Products. There may be some work in Python, but it is primarily a C++ role. Responsibilities: • Handling exchange protocol upgrades, primarily in C++ • Fixing bugs in existing C++ parsers as they arise • Contributing to development of new BMLL Data Products • Development of Google Test unit tests for new C++ code, in existing framework • Comparison of data where changes are needed, using existing tools. This is a critical part of the role, our data quality is our strongest aspect at BMLL Requirements ESSENTIAL: • Experience of working with market data protocols such as ITCH, EOBI, iMpact, Optiq, GTP (Group Ticker Plant) • Flexibility and a willingness to learn - this is not a role where you will work on one thing for a long period, you will work on multiple projects • Industry experience of writing production-level C++ and delivering functioning, well-tested systems • Industry experience of developing in Python • Industry experience of developing on a Linux platform with git • Experience of industry-standard development methodologies such as source code control, unit testing and continuous integration • Strong problem solving skills • Strong communication skills • Computer science or other STEM degree Benefits • Combination of remote and London based office working • Collaborative culture • Weekly team lunches • Company wide socials • Free fruit, snacks and drinks provided throughout the day (when office based) • Fridge fully stocked with beer, wine and soft drinks (when office based) • Regular Team Socials We are an inclusive employer and welcome applicants from all backgrounds. We pride ourselves on our commitment to Equality and Diversity and are committed to removing barriers throughout our hiring process - if you have any special requirements or require reasonable adjustments to help you access career opportunities at BMLL, please do let us know careers@bmlltech.com