Kdb Developer
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We're looking for a
KDB Developer
to join our team in Lisbon, Portugal, in a hybrid working mode. The role focuses on maintaining, evolving and optimizing a production-grade data platform that supports electronic equities market data. You will design, build and maintain high-performance KDB+/q applications for data ingestion, transformation, storage and retrieval, enabling low-latency analytics across the firm. This position provides an opportunity to work closely with traders, quantitative analysts and IT teams to deliver reliable, real-time data solutions that power analytics and decision-making.
Responsibilities
Collaborate with cross-functional teams to gather and refine requirements
Develop business-focused dashboards using Tableau or Python frameworks such as Plotly and Streamlit or through official analytics pipelines
Design, code, test and deploy KDB+/q services for data enrichment and presentation
Profile and optimize KDB queries to improve performance and reduce bottlenecks
Participate in on-call rotations, address production incidents and perform root cause analysis
Document code, processes and procedures for effective knowledge sharing and continuity
Contribute to automated unit, integration and performance testing as well as CI pipelines
Implement schema validation and outlier detection checks to ensure data quality
Requirements
Minimum 3 years of software development experience
Strong analytical and problem-solving skills with attention to detail
Experience working with electronic trading platforms or other high-load real-time systems
Familiarity with KDB+/q development for data-intensive applications
Eagerness to learn and adapt to new technologies and frameworks
Experience in building dashboards with Tableau or Python visualization libraries is beneficial
Understanding of CI/CD and automated testing principles
We offer
Competitive compensation depending on experience and skills
Variety of projects within one company
Being a part of a project following engineering excellence standards
Individual career path and professional growth opportunities
Internal events and communities
Flexible work hours
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