Senior Systems Software Engineer (C++) - Onsite jobs in United States
cer-icon
Apply on Employer Site
company-logo

Conexess Group · 15 hours ago

Senior Systems Software Engineer (C++) - Onsite

Conexess Group is seeking a seasoned Backend Software Engineer with deep expertise in modern C++ to lead the development of high-performance, scalable backend infrastructure. The role involves architecting and evolving backend systems while collaborating with various teams to define technical strategies and optimize performance.

ConsultingInformation ServicesInformation TechnologyStaffing Agency
check
Growth Opportunities
check
H1B Sponsor Likelynote
Hiring Manager
Ryan Seelhoff
linkedin

Responsibilities

Architect, design, and evolve backend infrastructure for Big data Analytics, Distribution Storage and storage using modern C++ (C++11/14/17/20)/C# or Java with a focus on scalability, reliability, and performance
Lead the development of server-side components for real-time data processing, system integration, and API services
Collaborate with product, infrastructure, and engineering teams to define system architecture and long-term technical strategy
Drive performance optimization and memory efficiency for high-throughput applications
Apply advanced multithreaded and concurrent programming techniques to support parallel processing and low-latency operations
Architect and deliver microservices-based platforms that operate across Linux and Windows environments
Oversee integration with databases, messaging systems, and external APIs
Champion best practices in code quality, testing, and maintainability across the engineering organization

Qualification

C++Backend systemsMicroservicesPerformance optimizationLinux/UnixVersion control (Git)Object-oriented designSystem-level programmingDebuggingCI/CD pipelinesMentoring

Required

Extensive experience in C++ development, with a strong foundation in object-oriented design, system-level programming, and software architecture
Proven success in building and scaling backend systems in domains such as: Real-time data processing engines, Networked services or socket-based communication, Microservices or distributed systems
Deep familiarity with Windows and Linux/Unix environments and command-line tooling
Expertise in performance profiling, debugging, and system optimization
Experience with version control systems (e.g., Git) and CI/CD pipelines in production environments
Demonstrated ability to mentor junior engineers and lead technical initiatives
Doctorate (Academic) Degree and related work experience of 3 years
Master's Level Degree and related work experience of 6 years
Bachelor's Level Degree and related work experience of 8 years

Benefits

Competitive compensation
Flexible work arrangements
Clear paths for leadership and career growth

Company

Conexess Group

twittertwittertwitter
company-logo
Conexess Group is an information technology company providing IT staffing and project management services.

H1B Sponsorship

Conexess Group 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 (2)
2024 (2)
2023 (1)
2022 (2)
2021 (2)
2020 (5)

Funding

Current Stage
Growth Stage

Leadership Team

leader-logo
Austin Meibers
Partner / Owner
linkedin
Company data provided by crunchbase