Senior Java Developer (496)

Founded in 1999 in Vienna, the Qualysoft Group is a manufacturer-independent IT consulting and services company, which successfully provides support for its international customers with the aim of boosting their competitiveness and economic efficiency through innovative IT solutions. Its focus is on financial services providers, telecommunications companies, the automotive industry and energy service providers. Over 500 employees in 6 subsidiaries work together to ensure state of the art solutions for our clients. We are looking for new colleagues in Qualysoft teams for diverse projects providing continuous learning opportunities. Our common goal is to provide honesty, development and a stable background while getting to know the latest technologies. We are waiting for your application for the position below!

Senior Java Developer

About the team:


The Market Risk Team develops software to measure and monitor the impact of markets’ moves on the firm’s portfolio. Our clients include senior management, trading desks and trading management, risk managers and risk analytics among others. Reports based on the numbers generated by our systems are reported to regulators around the world. The basic common process involves collating the firm’s positions globally and valuing them under various market scenarios, historical and others to estimate probabilities of loss under various intervals of confidence. Our mission critical platform processes over a billion positional and sensitivity records daily and uses thousands of CPU-cores to compute the risk. Our databases contain over a Peta Byte and our data velocity is measured in TB / hr. We are in the process of renovating much of our core infrastructure as part of a multi-year initiative.



What you will need to do in the role, and we will help you to do it:


  • Design, implement, enhance, and support one or more of the company’s Market Risk Engines
  • Understanding at the architecture / design and implementation levels of server-side Java as it relates to developing big data/ big compute, mission critical, enterprise-class system
  • Collaboration with global teammates based in Europe and India



What skills and experience are essential for the position?


  • Sharp Hands-on Expertise in Core-Java (server-side)
  • Strong fundamentals in data structures and algorithms
  • Object oriented design and usage of commonly used design patterns
  • Multi-threading, collections, JVM, Garbage collection, Streams
  • Working knowledge of Linux / Unix along with scripting skills
  • Comfort in relational database modelling and querying
  • Ability and interest to understand the domain and its data
  • Spring or similar framework, IOC concepts
  • Agile Development Experience
  • Python



If you have experience in one of these it is a plus:


  • Spark or Symphony Grid
  • Large scale Database (GreenPlum, Cassandra, Snowflake)
  • KDB
  • Mongo
  • Cloud Technologies
  • Automated testing
  • AWS / Azure / Snowflake
  • Experience in architecting / designing large-scale business critical systems
  • Financial (any of the following: risk / front office, derivatives, analytics, finance, market data)



Why we think you will love working here:


  • To work for the firm that attracts some of the brightest talents
  • Flexible working arrangements (core hours and opportunity to work from home)
  • Enriching challenges that provide opportunity for constant learning and advancement
  • A supportive and vibrant multinational environment, we accept individual differences and believe in teamwork








If you are interested in this opportunity, contact me…


Dániel Éliás

+36 20 399 8883





Ref.: 496 / A