Skip to main content

You will need to login before you can apply for a job.

Application Developer - Python

London Stock Exchange Group
Bucharest, Romania
Closing date
Jul 9, 2024

View more

Job Function
Industry Sector
Finance - General
Employment Type
Full Time

The application development team creates the systems that deliver the service to Quantile's clients. The team's responsibility is to design and build systems that permit financial market participants to securely provide risk and trade data to Quantile, to deliver that data into the quantitative algorithms developed by the strats, and to return the output of those libraries safely back to the participants in a timely manner. In addition, the systems provides analytics and feedback to the clients to help them to understand the results as well as how they can modify their parameters and data to gain improvements in the future. The backend is written in python and makes use of several AWS services, whereas the front end is html/javascript (react). We also have smaller amounts of C++, java, scala. We are looking for a full stack developer to work on the web portals and the backend systems. Data is stored in combination of RDS (postgres), Redshift and S3.

Examples of recent projects include:
  • Addition of new services for optimisation of counterparty risk to client portal
  • Addition of new endpoints to REST API
  • Building a gRPC service for reference data and market data
  • Additional screens on internal portal to visualise optimisation and compression runs
  • Addition of client analytics to portal to understand historical changes in SIMM
  • Automation of pricing and risk checks of client data
  • Building an event management / job execution / queuing system
  • Tools for publishing marketing materials and news to clients on portal
  • Optimisation of post-optimisation reporting to improve completion time of compression services
Main Responsibilities:
  • Work directly with product teams to design UI and applications
  • Build applications, system and components to respond to events and generate client solutions by accessing quant code in provided libraries
  • Build unit tests and regression tests and promote continuous improvement throughout every stage of development
  • Maintenance and support of applications
  • Automation of operational processes
  • Validate client inputs
  • Generate reports and files to be sent to clients and 3rd party APIs
Required Skills:

  • 3 to 5 years professional experience as a Python Developer, working on data intensive numerical applications (E.g. Using Numpy, Pandas)
  • Experience with all stages of the software development lifecycle from product design, technical design, coding, testing, documentation, release into production and ongoing maintenance
  • Strong understanding of "good design" (eg SOLID design principles) pythonic code style and different design paradigms (eg OO, Functional, Imperative)
  • Experience working with AWS python SDK
  • Experience with relational database design and implementation in postgres
  • Excellent problem-solving and communication skills. We work in partnership with product team to collaboratively design and improve functionality
  • Familiarity with Git or similar source control solution
  • Understanding of financial derivatives including the role of clearing houses, differences between OTC & listed derivatives, margin, capital
  • Quantitative/data analysis background
  • Experience with JavaScript / TypeScript / React
  • Experience of Java and/or C++ (We don't do much of either internally, but some systems require us to collaborate with third party libraries which are sometimes only available in Java or C++)

We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios! If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career!

We maximise each employee's potential through personal development through a wide range of learning tools both formal and informal. We believe in remunerating our people with competitive salaries and a range of attractive benefits such as:
  • 25 days' holiday per year
  • 1 additional day off for your Birthday
  • Annual wellness allowance
  • Share Purchase Plan
  • Medical Health Insurance
  • Medical Subscription (preventive medical services)
  • Dental Coverage
  • Life insurance
  • Pillar 3 Private Pension
  • Meal Vouchers
  • Flexible Benefits
  • Bookster
  • Volunteering Events
LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Sign in to create job alerts

Sign in or create an account to start creating job alerts and receive personalised job recommendations straight to your inbox.

Create alert