Senior C++ Developer jobs in United States
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Luxoft · 23 hours ago

Senior C++ Developer

Luxoft is seeking a Senior C++ Developer to design and build high performance, low latency applications that process large volumes of real-time data. The role involves optimizing systems for performance and collaborating with various teams to develop robust technical solutions.

AutomotiveConsultingInformation ServicesInformation TechnologyOutsourcingService IndustrySoftware
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H1B Sponsor Likelynote
Hiring Manager
Regina Vega
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Responsibilities

Design, implement, and maintain high performance C++ services handling high message rates and low latency workloads
Optimize existing components for latency, throughput, and CPU/memory efficiency
Develop and tune networking, messaging, and I/O layers to handle large data volumes reliably
Profile and debug performance issues at application, OS, and network levels
Collaborate with quantitative, trading, and infrastructure teams (or analogous business/tech teams) to translate requirements into robust technical solutions
Write clean, production quality code with appropriate tests and documentation
Participate in code reviews, design discussions, and continuous improvement of engineering practices

Qualification

C++ConcurrencySynchronizationPerformance critical systemsLinux systems programmingProfilingBenchmarking toolsVersion control (Git)Build systems CMakeBuild systems NinjaData structuresAlgorithmsMemory managementOptimization

Required

Strong proficiency in modern C++ (C++17/20 or later)
Solid understanding of concurrency and synchronization (lock free / low lock patterns, atomics, memory models, etc.)
Proven experience building performance critical, real time, or low latency systems (e.g., networking, trading systems, telemetry, gaming engines, or similar)
Strong knowledge of computer science fundamentals: data structures, algorithms, memory management, and optimization
Practical experience with Linux systems programming (sockets, epoll/select, threads, memory management, CPU affinity, etc.)
Experience using profiling, benchmarking, and performance analysis tools (e.g., perf, valgrind, flame graphs, CPU/memory profilers)
Proficiency with version control (Git) and standard build systems (CMake, Ninja, etc.)

Company

Luxoft is an IT company that works globally to give customers software development, product engineering, and consulting.

H1B Sponsorship

Luxoft has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (37)
2024 (31)
2023 (34)
2022 (34)
2021 (28)
2020 (26)

Funding

Current Stage
Public Company
Total Funding
$102.4M
Key Investors
VTB Capital Investment Management
2019-01-07Acquired
2013-12-13Post Ipo Equity· $42.4M
2013-06-26IPO

Leadership Team

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James Hopson
CTO Mobile and Network Solutions
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Company data provided by crunchbase