Senior Application Support Engineer/Fintech Experience - Belgrade - Hybrid

At Portfolio BI, we deliver industry-leading data management solutions and services to the global investment management community. Our platforms PBI Axiom, PBI Vector, and PBI Stratus help sophisticated buy-side firms gain greater control over their portfolio and operational data through enhanced analytics, governance, workflow management, and data security. For more than 20 years, leading hedge funds, asset managers, family offices, funds of funds, and institutional investors have trusted Portfolio BI to support critical investment operations and data-driven decision-making. We are seeking a Senior Application Support Engineer to join our team and play a key role in supporting mission-critical applications and client environments within a fast-paced financial technology ecosystem. Position Overview The Senior Application Support Engineer will work closely with clients, internal development teams, and business stakeholders to troubleshoot, analyze, and resolve complex application and data-related issues. This role requires a strong technical foundation combined with the ability to understand business workflows and deliver high-quality client support in a production environment. The ideal candidate will have experience supporting enterprise applications, strong SQL and troubleshooting capabilities, and a proactive approach to problem-solving. This individual will also contribute to application enhancements, integration development, performance optimization, and continuous improvement initiatives across the platform. Responsibilities: • Develop deep expertise in Portfolio BI applications, client workflows, and supporting technologies • Investigate, troubleshoot, and resolve complex application, integration, and database-related issues • Analyze system behavior and perform root cause analysis for recurring production incidents • Develop and maintain integrations between Portfolio BI platforms and third-party applications • Design and deliver custom reports, web grids, and Windows-based solutions to meet client requirements • Optimize SQL queries, ETL processes, and database performance within production environments • Collaborate with Development, Product, and Infrastructure teams to implement scalable long-term solutions • Conduct proactive system audits and preventative maintenance activities • Manage multiple support requests and priorities while ensuring timely client communication and issue resolution • Maintain detailed documentation of issues, resolutions, and technical processes • Provide technical guidance and support to clients regarding application functionality and operational workflows