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Bentley Systems Logo Bentley Systems · IT - Software Development

Senior C++ Software Engineer

United States, Philadelphia · Job Posted February 14, 2026
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Job Description

We are seeking a Senior C++ Software Engineer to join Bentley’s Platform organization, contributing to the evolution of both local and cloud-based workflows that underpin Bentley’s product ecosystem. You will play a key role in enhancing the performance, scalability, and reliability of data creation, editing, and synchronization workflows across desktop applications, iTwin‑native solutions, Cesium and cloud services. Your work will play a key part in advancing Bentley’s broader vision for seamless interoperability and connected digital twins across Bentely’s product portfolio.

Job Responsibility

  • Build high‑performance C++ components and maintain well‑structured, versioned libraries with clear APIs and documentation
  • Ensure the correctness, determinism, and performance of SQLite‑backed iModels across local and CloudSQLite workflows
  • Profile and optimize CPU, memory, I/O, and multithreading behavior to deliver measurable performance gains
  • Contribute to low‑level storage engine internals—file formats, indexing, transactions, queries—and surface them through clean APIs
  • Debug and validate software across virtualized and containerized environments
  • Enhance observability with metrics, tracing, and structured logs
  • define and monitor SLIs in CI/CD
  • Expand automated testing and benchmarking
  • enforce performance gates and API compatibility
  • Consistently deliver high‑quality features, lead designs for medium‑sized efforts, and improve shared infrastructure across teams
  • Work in a collaborative team environment using GitHub for development, reviews, and CI management
  • Partner with platform, security, and product teams through design reviews and architectural discussions

Requirements

  • Bachelor’s or Master’s in Computer Science, Engineering, or equivalent experience
  • Strong proficiency in modern C++ (C++17/20) and experience shipping production‑grade systems
  • Demonstrated skill in optimizing performance‑critical code paths (CPU, memory, I/O, synchronization)
  • Solid understanding of concurrency, multithreading, and diagnosing race conditions or deadlocks
  • Experience building shared libraries, SDKs, or platform components with stable, well‑designed APIs
  • Strong testing discipline, including unit, integration, and performance tests with automated benchmarks
  • Experience working with backend services, APIs, and data workflows across local and cloud environments
  • Familiarity with observability methods (metrics, tracing, structured logs)
  • Strong problem‑solving, technical ownership, and effective cross‑team communication skills

Nice to have

  • Experience with distributed systems concepts (retries, idempotency, backpressure)
  • Knowledge of SQL/SQLite‑like storage engines, indexing, and transactional behavior
  • Familiarity with sanitizers, fuzzing, and stress testing
  • Cross‑platform development experience (Windows/Linux
  • MSVC/Clang/GCC)
  • Experience with Docker or VM‑based development environments
  • Understanding of API versioning, compatibility, and deprecation best practices
  • Practical TypeScript/JavaScript experience
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