.NET and React Developer

Our client is a trading company located in Switzerland VISUALIZATION LAYER LEADERSHIP: Provides technical leadership and overall delivery accountability for the CRR risk visualization layer, guiding design decisions and ensuring consistent, high-quality implementation across the team. < >< > RISK VISUALIZATION DELIVERY: Designs and implements user-facing risk reporting capabilities that enable efficient visualization and exploration of enterprise risk data, including positions, P&L, FX exposures, and entering adjustments. < >< > FRONTEND EXPERIENCE DELIVERY: Leads the development of high-performance and intuitive user interfaces using React and AgGrid, optimized for large datasets and advanced interaction patterns such as drilldowns, pivots, filtering, and navigation. < >< > BACKEND SERVICES AND APIs: Designs and develops .NET-based backend services that mediate access to OpenSearch, support aggregation and query orchestration, and enable consistent data consumption patterns. < >< > OPENSEARCH CONSUMPTION: Guides and implements effective OpenSearch query, indexing and consumption patterns to support fast retrieval, fuzzy filtering, and flexible exploration of risk data published from PostgreSQL. < >< > TEAM COACHING AND GUIDANCE: Leads and coaches junior full stack developers through hands-on collaboration, code reviews, and technical guidance, ensuring strong engineering practices and continuous skill development within the team. < >< > ENGINEERING QUALITY: Sets and enforces engineering standards for the visualization layer, including code quality, testing practices, and CI/CD adoption, ensuring maintainable and reliable solutions. < >< > PERFORMANCE AND USABILITY: Owns performance and usability outcomes for the visualization layer, actively identifying and addressing bottlenecks across frontend, backend, and OpenSearch interactions. < >< > COLLABORATION: Works closely with the CRR Development Lead and Senior Business Analyst to align visualization capabilities with platform architecture and business risk requirements. < >< > CONTINUOUS IMPROVEMENT: Continuously evaluates and improves visualization patterns, technical approaches, and team practices to enhance the effectiveness and scalability of CRR risk reporting. Trading environment Senior position Minimum requirement of 7 years of relevant work experience, typically reflecting 7-10 years of experience delivering full-stack applications in data-intensive or analytics-driven environments. < >< > Demonstrated experience leading delivery of user-facing reporting or analytics solutions, with proven ability to guide and mentor other engineers.Required Skills: < >< > Mandatory: Strong experience developing backend services using .NET Strong experience building frontend applications using React Hands-on experience with AgGrid for large, data-intensive reporting views Exposure to cloud-native deployment models and CI/CD pipelines < >< > Good to Have: Experience working with risk, finance, or trading reporting platforms Experience consuming and querying OpenSearch for fast, flexible reporting and fuzzy filtering Familiarity with PostgreSQL-backed data solutions Experience coaching or mentoring engineers in a delivery-focused environment Attractive Package.