Senior C++ Developer jobs in United States
cer-icon
Apply on Employer Site
company-logo

Luxoft · 4 days ago

Senior C++ Developer

Luxoft is looking for a C++ engineer 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 translate requirements into technical solutions.

AutomotiveConsultingInformation ServicesInformation TechnologyOutsourcingService IndustrySoftware
check
H1B Sponsor Likelynote
Hiring Manager
Jyotsna Gupta
linkedin

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 the 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 (CMake)English (B2)Problem-solving skillsAttention to detailFast-paced environment

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, and CPU/memory profilers)
Proficiency with version control (Git) and standard build systems (CMake, Ninja, etc.)
Excellent problem-solving skills and attention to detail; ability to work in a fast-paced environment

Preferred

Experience with kernel bypass or user space networking technologies (e.g., DPDK, RDMA, VMA, Solarflare/OpenOnload)—helpful but not required
Experience in financial markets, market data distribution, order routing, or exchange connectivity
Familiarity with common market data protocols (e.g., FIX, MDP, ITCH, proprietary exchange feeds) is a plus
Experience with multicast, low-latency networking, and clock synchronization (e.g., PTP)
Exposure to hardware-aware optimization (NUMA, cache optimization, vectorization/SIMD, CPU pinning)
Experience with monitoring/telemetry for high-performance systems (latency histograms, throughput metrics, SLAs)
Familiarity with scripting languages (e.g., Python, Bash) for tooling and automation

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

leader-logo
James Hopson
CTO Mobile and Network Solutions
linkedin
Company data provided by crunchbase