Senior C++ Engineer, Desktop Applications

Sigma Software Group

Senior C++ Engineer developing modern desktop applications in Medical domain, focusing on performance optimization and legacy systems modernization.

Posted 7/24/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in modern C++ development, particularly with C++14/17/20, and possesses strong skills in multithreading, concurrency, and performance optimization. Proven ability to collaborate within cross-functional teams and contribute to software quality improvements and debugging initiatives.

Highest-signal resume keywords

C++ Software DevelopmentMultithreadingConcurrencyQt FrameworkPerformance Optimization

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C++14C++17C++20Desktop Application DevelopmentDebuggingPerformance Bottleneck AnalysisAI-Assisted Development ToolsCEF IntegrationMakeConan

Soft Skills

Analytical ThinkingProblem-SolvingCollaboration

Tools & Technologies

MSVC

Certifications & Qualifications

Technical Degree in Computer ScienceEngineering

Industry Keywords

Regulated Software EnvironmentsCross-Functional Engineering Teams

Tech Stack

Tools & technologies

C++Qt

About the role

Key responsibilities & impact

Develop and maintain high-quality desktop application components using modern C++
Implement scalable multithreading and concurrency solutions
Analyze, identify, and resolve performance bottlenecks in complex desktop systems
Participate in modernization and refactoring of legacy codebases
Collaborate with architects, QA engineers, and product teams to deliver stable and efficient solutions
Contribute to software quality improvements, debugging activities, and system stability initiatives
Utilize AI-assisted development tools to improve development workflows and accelerate implementation activities
Participate in technical discussions, code reviews, and engineering best practices initiatives

Requirements

What you’ll need

5+ years of commercial experience in C++ software development
Strong expertise in modern C++ standards including C++14/17/20
Deep understanding of multithreading, concurrency, debugging, and performance optimization
Hands-on experience with desktop application development
Practical experience with Qt
Experience working with Make, Conan, and MSVC
Experience with CEF integration
Strong analytical thinking and problem-solving skills
Ability to collaborate effectively within cross-functional engineering teams
Upper-Intermediate or higher level of English
Experience with AI-assisted coding tools and development workflows (WILL BE A PLUS)
Experience working in regulated software environments (WILL BE A PLUS)
Technical degree in Computer Science, Engineering, or related field (WILL BE A PLUS)
German language skills (WILL BE A PLUS)

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Sigma Software Group Website LinkedIn All Job Openings 1001 - 5000 employees Founded 2002 🎮 Gaming 📡 Telecommunications Software Development
Gaming
Telecommunications Sigma Software Group is a multinational company, established in 2002, that specializes in providing high-quality software development, graphic design, testing, and support services. The company focuses on delivering solutions across various industries such as automotive, telecommunications, aviation, advertising, gaming, banking, real estate, and healthcare. Sigma Software values professional growth, offers remote work opportunities worldwide, and caters to world-renowned clients like AstraZeneca, Scania, and SAS. The company emphasizes a culture of continuous education, mentorship, and flexible work environments, making it a preferred workplace for IT specialists aiming to work on complex solutions utilizing cutting-edge technologies. Sigma Software is committed to innovative solutions and engineering the future while also contributing to social causes such as charitable work in Ukraine. Senior C++ Engineer, Desktop Applications 🔥 1 hour ago 🇵🇱 Poland – Remote ⏰ Full Time 🟠 Senior 💻 Application Engineer C++ Qt Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Develop and maintain high-quality desktop application components using modern C++
Implement scalable multithreading and concurrency solutions
Analyze, identify, and resolve performance bottlenecks in complex desktop systems
Participate in modernization and refactoring of legacy codebases
Collaborate with architects, QA engineers, and product teams to deliver stable and efficient solutions
Contribute to software quality improvements, debugging activities, and system stability initiatives
Utilize AI-assisted development tools to improve development workflows and accelerate implementation activities
Participate in technical discussions, code reviews, and engineering best practices initiatives 🎯 Requirements
5+ years of commercial experience in C++ software development
Strong expertise in modern C++ standards including C++14/17/20
Deep understanding of multithreading, concurrency, debugging, and performance optimization
Hands-on experience with desktop application development
Practical experience with Qt
Experience working with Make, Conan, and MSVC
Experience with CEF integration
Strong analytical thinking and problem-solving skills
Ability to collaborate effectively within cross-functional engineering teams
Upper-Intermediate or higher level of English
Experience with AI-assisted coding tools and development workflows (WILL BE A PLUS)
Experience working in regulated software environments (WILL BE A PLUS)
Technical degree in Computer Science, Engineering, or related field (WILL BE A PLUS)
German language skills (WILL BE A PLUS) Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Application Security Engineer 🕒 June 30 PandaDoc 501 - 1000 ☁️ SaaS 🤝 B2B ⚡ Productivity Website LinkedIn All Job Openings Application Security Engineer at PandaDoc focusing on embedding security throughout the development process. Engaging in proactive security measures and threat analysis in application development. 🇵🇱 Poland – Remote 💵 zł21k - zł24.8k / month 💰 Series C on 2021-09 ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Application Engineer AWS Azure Cloud Google Cloud Platform Kubernetes Python SDLC Application Support Engineer 🕒 April 1 WiPjobs Recruitment 11 - 50 🎯 Recruiter 🤝 B2B Website LinkedIn All Job Openings Application Support Engineer involved in application layer implementation and monitoring server performance. Join a dynamic group in a flexible IT organization based in Poland. 🇵🇱 Poland – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Application Engineer Python SQL View More Application Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Find jobs using your resume Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs