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Bentley Systems Logo Bentley Systems · IT - Software Development

Senior C++ Software Engineer

Lithuania, Vilnius 4000.00 EUR / Month · Job Posted February 18, 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

What we offer

  • A great Team and culture
  • An exciting career as an integral part of a world-leading software company
  • An attractive salary and benefits package
  • A commitment to inclusion, belonging and colleague wellbeing
  • A company committed to making a real difference by advancing the world’s infrastructure
  • Training and professional development opportunities (certifications programs, conferences etc.)
  • Additional annual leave days and extra paid days for different occasions (marriage, moving day, bereavement leave etc.)
  • Health insurance package and accidents insurance 24/7
  • Referral program with bonuses
  • Extra paid day for volunteering in the organization of your choice
  • Ability to work from office or fully remote from home
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