Hire Windows API Developer

• 11 years of practical experience in software development. • Excellent experience with application engineering, architecting and development. Capable of analyzing, designing complex, high loaded systems, efficient resources management and problem solving. Quick learner of new technologies. • Fluent English level.

- Senior Software Engineer with over 11 years of experience in full-cycle product development with video experience. - Proficient in multiple programming languages including C++17, C#, Golang, Python, and SQL. - Skilled in test-driven and behavior-driven development, with a focus on desktop and client-server application development for Windows, Linux, and Mac OS. - Experienced in cloud application development using microservice architecture, Docker, AWS, Kubernetes, and SQL/NoSQL databases. - Strong knowledge of Windows internals and driver development, including WinAPI, IPC, RPC, ATL/COM, KMDF drivers, and system services. - Expertise in reverse engineering for Windows and Mac OS, using tools such as IDA Pro, WinDbg, and HEX editors. - Proficient in data protection using system built-in and third-party crypto libraries like OpenSSL.

- VPN and Network Filtering Development: Extensive experience developing VPN solutions, including cross-platform engines for KeepSolid’s VPN Lite, and expertise in low-level network filtering, proxies, and handling internet traffic. - iOS Development Expertise: Over 10 years of hands-on experience with iOS development, including business apps and secure communication tools, with proficiency in Swift and Objective-C. - C++ Proficiency: Strong background in C++ for developing core network functionalities, optimizing performance, and building cross-platform applications. - Enterprise Application Development: Skilled in developing enterprise-level applications, including parental-style internet filters and device policy management tools. - Agile Methodologies: Proven track record of working in Agile Scrum environments, delivering high-quality software with fast iteration and strong collaboration. - Leadership and Team Collaboration: Experience as a Tech Lead, mentoring teams, and coordinating with stakeholders to resolve issues and implement new features. - Available to start ASAP

- Experienced System Software Engineer with 12+ years of experience designing and implementing firmware-level and system-level security solutions, sophisticated OS-kernel extensions and device drivers, hi-loaded systems development, and data processing. - Solid foundation in building secure, real-time operating systems and extending Linux kernel capabilities, with strong proficiency in both C and C++. - Instrumental in architecting and implementing UEFI hypervisors and firmware for Class B medical devices, emphasizing security features like CryptoCell for secure communications. - Proven capabilities in vulnerability analysis, leveraging tools like Angr and AFL for automated firmware testing. - Played a key role in SDLC, driving modern software architecture practices and security foundations in projects across medical and information security industries. - Upper-Intermediate English

- More than 10 years experience of software development with different languages and technologies. - Main languages, frameworks and technologies: C++, C# (dotnet core), Angular, Qt. - Pre-Intermediate English. - Available: ASAP

- 14+ years of experience in IT; - Data Engineering and Data Architecture Experience - System-level programming, OOP and OOD, functional programming; - Profiling and optimizing code; - Writing reliable code; - Writing product documentation, supporting products; - Team working, team leading; - Strong knowledge in Mathematics and physics (over 30 scientific publications); - Mentoring skills as a senior developer;

- 14+ years of software development. - Experienced software developer with extensive skills in developing high-load multi-component systems featuring diverse languages and technologies. - An expert in the establishment of value-driven processes and cross-functional teams for the successful delivery of innovative products. - Upper-Intermediate English - Available ASAP

- Active software engineer with over 7 years of professional enterprise experience in developing and maintaining web applications. - Skilled in testing, cloud computing, and web development. - Proficient in HTML5, CSS3, JavaScript, and other web development technologies. - Experienced in both back-end and front-end development, with expertise in creating user-friendly and effective websites and applications. - Strong knowledge of JavaScript frameworks such as Vue.js and React.js. - Familiarity with .NET and .NET Core, as well as ASP.NET MVC and Web API. - Proficient in working with databases such as MSSQL, MySQL, MongoDB, and Postgres. - Experienced in cloud infrastructure platforms like AWS and Google Cloud Platform. - Knowledgeable in CI/CD processes, using tools like Terraform, Gitlab, and Docker. - Advanced English

DevOps Engineer with 15 years in IT and 8 specializing in DevOps/SysOps. Expertise in cloud, CI/CD, and security enhancements. Proficient with Kubernetes, Terraform, AWS, and various CI tools. Recognized for infrastructure optimization, cost reduction, and system robustness. Holds an Applied Mathematics degree and is fluent in English and Ukrainian. Portfolios include telecom analytics solutions, SaaS platforms, and system migrations, with a strong focus on scalability, monitoring, and compliance.

- Lead Java Engineer and Architect with extensive experience designing and implementing scalable, high-loaded solutions for cloud services and secure VPN connections. - Proficient in Java (J2SE, J2EE), C#, Python, HTML, CSS, JavaScript, and Angular. - Expertise in frameworks and technologies such as Spring Boot, Spring Framework, Servlets, REST web services, JUnit, Dropwizard, and EJB3. - Skilled in building and maintaining CI/CD pipelines, deployment flows, and conducting deployments. - Proficient in working with GCP and has experience with AWS and Azure. - Experienced with databases and search technologies, including ElasticSearch, MongoDB, PostgreSQL, Derby SQL, Couchbase, and Google Cloud SQL. - Strong capability in requirements analysis, documentation creation, and customer communication. - Proven leadership in mentoring and guiding junior developers and leading development teams.

- Сertified Azure DevOps Engineer with more than 20 years of experience in software and database development (С# and VB.NET) - 5+ years of experience in managing distributed development teams. I have participated in more than 15 projects, mostly of middle and large size, and have been involved in all stages of the release cycle, including analysis, design, coding, deployment, development and testing. I am versed in supporting new applications and developing new features for existing complex applications. - Skilled in refactoring, migration, and performance optimization, as well as in extending the functionality and maintaining the existing features. - Open-minded and goal-oriented team player with strong interpersonal and communicational skills. - Can learn quickly under tough deadlines. - Constantly looking for opportunities to improve my skills and knowledge in system design and algorithms.Industries: Logistics and transportation, banking and finance, information technology and services, professional services, computer software.