Senior Application Support Engineer/Fintech Experience

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:

• Provide technical guidance and support to clients regarding application functionality and operational workflows
• 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
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Requirements:

• Strong experience troubleshooting enterprise applications in production environments
• Demonstrated ability to read and understand C# code
• Advanced SQL skills, including query development, performance tuning, and troubleshooting
• Experience with ETL processes, data integrations, and database performance analysis
• Understanding of n-tier application architecture and enterprise system design principles
• Strong analytical and problem-solving skills with exceptional attention to detail
• Ability to prioritize and manage multiple issues in a fast-paced, client-focused environment
• Excellent written and verbal communication skills in English
• Experience communicating directly with external clients and business stakeholders
• Bachelor’s degree in computer science, Engineering, Information Systems, or a related field

Preferred Qualifications

• Experience supporting financial systems or applications within the investment management industry
• Understanding of buy-side operations, order management systems, trade execution, reconciliation, and reporting workflows

Benefits:

At Portfolio BI, you will have the opportunity to work with leading investment management firms and contribute to solutions that directly impact critical business operations. We offer a collaborative environment that values technical expertise, innovation, continuous learning, and professional growth.

If you are a highly motivated technology professional who enjoys solving complex technical challenges and delivering exceptional client outcomes, we encourage you to apply.

• Hybrid work model with access to a comfortable office in central Belgrade
• Private medical insurance package, for you and your family
• 23 vacation days per year, increasing with your tenure
• Access to training and coaching platforms to support your professional development
• Company-sponsored professional certifications
• Company Lunches & Socials