C++\Qt Engineer

Andersen is hiring a C++\Qt Engineer to build a cross-platform UI framework for a global trading firm, developing dynamic interfaces generated from backend-provided JSON schemas. 

The customer is a global trading organization that provides liquidity across various financial markets using advanced technology and algorithmic strategies. The company focuses on quantitative research, risk management, and scalable high-performance systems to remain competitive internationally. 

The project is focused on building a cross-platform frontend solution using Qt, centered around a dynamic UI library that renders interfaces from backend-provided JSON schemas. The work may also include creating a standalone application that embeds this UI library. 

Responsibilities: 

• Designing the base application architecture and separating layers (interfaces, business logic, data). 

• Implementing the configuration engine (INI/JSON) and managing runtime parameters. 

• Developing the logging subsystem and collecting performance metrics (FPS, latency). 

• Building the backend communication layer (WebSockets, REST API, custom protocols). 

• Creating dynamic GUI and grid rendering engine using JSON metadata. 

• Implementing the authentication module (OAuth 2.0 + PKCE, token management). 

• Packaging the core library and defining a versioned public API (DLL/SO). 

• Ensuring system resilience with failover logic, error handling, and health checks. 

• Executing comprehensive testing (unit, integration, GUI, performance). 

• Developing and packaging the executable wrapper for Windows/Linux, including UI shell. 

Technical Stack: Core: C++17/20, Qt 6.x, CMake Architecture: Layered design, Model-View patterns, plugin system Сommunication: WebSockets, REST APIs, custom binary protocols Security: OAuth 2.0 + PKCE UI: Qt Widgets, virtualized rendering Infra: JSON/INI configs, performance metrics Testing: GTest/Qt Test 

Must-have: 

• Experience as a C++/Qt Engineer for 4+ years. 

• Full-stack desktop development expertise. 

• Focus on security, performance, and efficient resource usage. 

• Experience with cross-platform application packaging and distribution. 

• Strong testing discipline. 

• Level of English – from Intermediate+ and above. 

Nice-to-Haves: 

• Experience with logging frameworks (e.g., spdlog). 

• GUI automation testing experience. 

• Knowledge of secure credential storage approaches (e.g., DPAPI, keyring). 

• Experience packaging and deploying desktop applications (MSI, AppImage, DMG) and working with CI/CD pipelines. 

 Reasons why this job would be interesting to you: 

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. 

• The opportunity to change the project and/or develop expertise in an interesting business domain. 

• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. 

• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. 

• The opportunity to earn an additional up to 1,000 USD per month by participating in the company's activities. 

• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. 

• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). 

• Certification compensation (AWS, PMP, etc). 

• Referral program. 

• English courses. 

• Private health insurance and compensation for sports activities. 

  
  

Join us! 

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