Staff Software Engineer - Linux Kernel

Are you a skilled Operations Engineer with a passion for both Linux and Windows environments? At netcompany1, we are seeking an innovative professional to join our dynamic team in Warsaw. You will play a crucial role in maintaining and optimizing our operational systems while collaborating with cross-functional teams to enhance our infrastructure.

Role Overview netcompany1 is hiring a Junior Operations Engineer to support both Linux and Windows systems in Warsaw. This entry-level position suits those ready to begin a career in IT operations. What You Will Do Assist with managing and maintaining Linux and Windows environments Work alongside senior engineers to troubleshoot technical issues Help implement solutions that improve system performance and reliability Contribute to ongoing projects within the operations team Who We’re Looking For Entry-level candidates interested in IT operations Willingness to learn and collaborate with experienced engineers Interest in both Linux and Windows platforms

Founded in 1999 in Vienna, the Qualysoft Group is a dynamic, independent IT consulting and services company dedicated to enhancing the competitiveness and operational efficiency of our international clientele through cutting-edge IT solutions.Our expertise spans across various sectors, including financial services, telecommunications, automotive, and energy services. With a team of over 400 professionals across six subsidiaries, we are committed to delivering state-of-the-art solutions tailored to our clients' needs.We invite talented individuals to join our Qualysoft teams for exciting projects that offer continuous learning opportunities. We value honesty, development, and a stable work environment, while embracing the latest technologies. We look forward to receiving your application for the position detailed below!About the RoleWe are on the lookout for a skilled Unix/Linux Support Analyst to oversee and maintain our Linux and AIX server environments. This role prioritizes system stability, security, performance optimization, and seamless integration with enterprise monitoring solutions across both on-premise and cloud infrastructures.

Teltonika Networks seeks a Tech Lead or Senior Embedded Linux Software Engineer for its Warsaw office. This position centers on developing and enhancing networking solutions that enable industrial connectivity in fields such as Industry 4.0, Smart Cities, and Green Energy. Role overview This role involves building software for both bare metal and embedded Linux devices. The work addresses complex challenges at the intersection of software and hardware, supporting industrial-grade connectivity equipment like routers, switches, gateways, and modems. These products help power modern infrastructure and automation. What you will do Develop software for bare metal and embedded Linux platforms Tackle challenging problems that involve both software and hardware Research and implement new technologies to keep solutions up to date Integrate with hardware components and embedded systems Coordinate with team members in Warsaw and the headquarters in Lithuania Offer technical guidance and mentorship to colleagues About the products The Networking Solutions division designs and manufactures equipment for industrial connectivity. To see the full product range, visit https://www.teltonika-networks.com/products.

Our MissionAt SentinelOne, our mission is clear: to empower those who safeguard our future. In an era where AI is transforming how businesses operate and innovate, the imperative to secure these advancements is more crucial than ever. Joining SentinelOne means contributing to the protection of global enterprises, critical infrastructure, and the innovative technologies of tomorrow. If you thrive on meaningful challenges and aspire to make a tangible global impact, you will find your purpose here.About UsSentinelOne stands at the forefront of AI-driven security solutions, redefining the cybersecurity landscape. Our AI-native platform integrates protection across endpoint, cloud, identity, data, and AI systems, enabling autonomous detection and rapid response. By leveraging real-time analytics and intelligent automation, we eliminate unnecessary noise, streamline complexities, and empower security teams to focus on what truly matters.Our team comprises passionate builders, problem-solvers, and innovators dedicated to shaping the future of security. If you're excited about tackling challenging problems alongside a talented and mission-driven team, we invite you to help us create a safer tomorrow for all.What We Are Looking ForWe seek individuals who are insatiably curious and committed to ongoing learning. As AI continues to transform our operations, we equip every team member, regardless of their role or level, with the knowledge to leverage AI tools and concepts. Those who excel here actively pursue innovative solutions, thoughtfully experiment, and apply their insights to achieve better, faster, and smarter outcomes.As a Windows Low Level Engineer for Endpoint Security, you will be instrumental in designing and developing cutting-edge security features for SentinelOne’s Windows endpoint protection platform, functioning in both user-mode and kernel-mode environments. You will construct and optimize essential components such as anti-tampering measures, network sensors, and agent infrastructure, while tackling complex performance and stability issues at scale. Your role will involve researching Windows internals and diagnosing deep system challenges, collaborating with distributed engineering teams to deliver impactful security solutions that safeguard millions of devices globally.

QED AI is a pioneering technology firm dedicated to enhancing public health and food security across Sub-Saharan Africa. Our mission is to construct the digital infrastructure and AI solutions that serve at the nexus of humanitarian assistance and scientific research. Our projects include critical surveillance of HIV and malaria, as well as nutrient analysis of crops and soils, operating on a national scale in several African nations. Our funding is supported by esteemed philanthropic and governmental organizations including the Global Fund, Gates Foundation, CDC, and USAID.We are actively seeking a talented mid to senior-level Software Engineer to become an integral part of our Warsaw team. The ideal candidate will possess:A robust background in software engineering, including proficiency in version control, writing clean and maintainable code, robust design principles, and a solid understanding of data structures and algorithms.The ability to conceptualize logical software architectures and communicate effectively in both verbal and written formats.A willingness to address a diverse range of challenges and technologies.A collaborative spirit, participating in regular design sessions, code reviews, and team efforts.Experience in development on UNIX-based or OSX-Darwin platforms.Working proficiency (≥C1) in English, including speaking, reading, and typing (≥45 words per minute).An interest in collaborating with individuals from diverse cultural backgrounds.Emotional resilience and social intelligence.A passion for your work and a tendency to maintain an optimistic outlook, even amidst challenges.While the following skills are not mandatory, they would be advantageous:Experience with Python, Django, React, Android, or PyTorch.Knowledge of computer hardware, electronics, or physics.Participation in programming and/or mathematics competitions.A product-oriented mindset.A spirit of adventure and exploration.A passion for sustainable development goals, particularly in public health, agriculture, and supporting developing nations.

We are seeking a talented Senior Data Engineer to join our dynamic team at inetum2. In this role, you will be responsible for designing, implementing, and managing data architectures that support our business objectives. You will work closely with data scientists and analysts to ensure the integrity and accessibility of data across our organization.Your expertise in data modeling, ETL processes, and cloud technologies will be essential in driving our data strategy forward.

ABOUT BOXBox (NYSE:BOX) stands at the forefront of Intelligent Content Management, empowering organizations to enhance collaboration, manage comprehensive content lifecycles, safeguard critical information, and revolutionize business workflows with cutting-edge enterprise AI. Since our inception in 2005, we have simplified operations for prominent global enterprises such as JLL, Morgan Stanley, and Nationwide. Headquartered in Redwood City, California, Box operates across the United States, Europe, and Asia.By joining Box, you will play a pivotal role in advancing our platform. Content is the backbone of modern work, encompassing the vast array of files and information shared daily across teams, departments, and vital business processes—including contracts, invoices, employee records, and marketing assets. Our mission is to infuse intelligence into content management and empower our clients to transform their organizational workflows dramatically. At Box, you will be at the forefront of this significant transformation, leveraging AI to reshape the future of collaboration.WHY BOX NEEDS YOUWe are on the lookout for a dynamic leader in EMEA People Operations to spearhead compliant, efficient, and impactful programs. As the Team Manager, People Operations, you will serve as a key leader and trusted advisor, navigating through the rapid growth in the EMEA region. Your role will involve harmonizing people, processes, and technology to create an optimal blend that delivers superior People programs. You will collaborate across Box as a People process expert, utilizing your expertise to guide other functions on optimizing their collaborations with the People Ops team, ensuring exceptional processes in the critical moments that matter. This position reports to the Sr. Manager of Global People Operations, with additional support from the global People & Communities team. YOUR ROLE IN BOXLeading and nurturing a team of People Operations professionals across the EMEA region while maintaining strong connections with our US People Operations colleagues. You will drive high data integrity, establish robust and well-documented processes, and employ holistic problem-solving strategies.Acting as a trusted consultant...

Location: Remote (Must be available during U.S. business hours)Compensation: Competitive base salary plus performance-based incentivesRole: Window Treatment Design ConsultantAbout the PositionWe are on the lookout for a talented Window Treatment Design Consultant who will take charge of the entire sales process, from initial contact to closing deals. This role is essential for a driven and self-starting sales expert who excels in a dynamic, consultative atmosphere.In this position, you will work closely with leadership and multidisciplinary teams to interact with qualified leads, gauge customer requirements, and craft personalized window treatment solutions. You will offer professional advice on best practices, ensuring that your recommendations lead to significant outcomes and outstanding customer satisfaction.Key ResponsibilitiesEngage in inbound and outbound sales conversations with prospects across the U.S.Conduct virtual consultations to evaluate customer needs, design custom window treatments, and propose solutions grounded in industry standards.Oversee the complete sales process, including managing the CRM pipeline.Deliver expert, consultative advice on window treatment options and design methodologies.Work collaboratively with internal teams to facilitate a smooth post-sale transition.Regularly meet or surpass defined performance targets (conversion rates, activity levels, and revenue).QualificationsMinimum of 3 years in a consultative, technical, or high-value sales environment (B2B or B2C).Demonstrated track record of consistently exceeding sales goals.Outstanding communication skills (both verbal and written) in English.Passionate about delivering customer value and acting as a trusted advisor.Preferred background in Interior Design, Architecture, Decoration, or a related field.Proficiency in contemporary CRM systems and virtual sales technologies.Self-motivated with the necessary equipment (computer, webcam, headset) and reliable high-speed internet.

Established in 1999 in Vienna, the Qualysoft Group is a leading independent IT consulting and services organization dedicated to enhancing our clients' competitiveness and economic efficiency through cutting-edge IT solutions.With a primary focus on sectors such as financial services, telecommunications, automotive, and energy, our team of over 400 professionals across six subsidiaries collaborates to deliver state-of-the-art solutions tailored to our clients' needs.We invite skilled individuals to join the Qualysoft team for exciting projects that foster continuous learning and professional growth. Our shared mission is to promote transparency, development, and stability while exploring the latest technological advancements. We eagerly await your application for the position outlined below!About the RoleWe are currently seeking a Windows Server and Virtual Machine Support Analyst to oversee the full lifecycle of our Windows-based infrastructure. This role involves provisioning, patching, monitoring, and maintaining Windows servers and virtualization platforms, ensuring high availability, compliance with security standards, and optimal performance across all environments.

About Us:Planner 5D serves as a global nexus for home design, bringing together over 100 million users across 230 territories (including two users from Antarctica each month!). Our platform transforms the home renovation journey from concept to implementation, streamlining the process through our state-of-the-art software. You don't need to be a professional designer to enhance your living or workspace; we believe in making the customization of dream homes accessible to everyone.Our cross-platform services include Web, iOS, Android, Windows, and MacOS, ensuring seamless synchronization for our users. Planner 5D is not just software; it's a vibrant community of passionate professionals from diverse backgrounds, collaborating across time zones with a unified goal of revolutionizing the home design industry.We are continually seeking like-minded talent who are eager to take initiative and drive innovation within our expanding suite of tools. Join us in shaping the future of home design!We are on the lookout for a skilled Android Engineer to develop next-generation mobile experiences for millions of users. You will collaborate with AI-driven 3D design tools, enhance performance, and test new features to push the boundaries of possibility. If you appreciate clean and reliable code, thrive in a strong team environment, and are passionate about modern technologies, we invite you to join us in shaping the future of home design!

Are you an experienced Clinical Operations Lead seeking your next opportunity? If you haven't found the perfect match yet or you're not quite ready to make a career move, we want to hear from you!Join our proactive talent pool for anticipated Clinical Operations Lead positions (including COL and Sr. COL roles) to support our dynamic Clinical Monitoring team. We value your expertise and are eager to connect with qualified candidates who are passionate about advancing clinical operations.

Join the Vanguard of Online Privacy!Are you a passionate problem-solver with a knack for innovation? Become a part of the team that brought you Threat Protection Pro, the NordLynx protocol, and the world’s fastest VPN, empowering users with privacy, security, and control over their digital landscape.Your Contribution: Enable millions of users to reclaim their online security, privacy, and data.Join our Notification Center Team and help shape the future of in-app notifications!As a Senior Backend Engineer, you will be instrumental in developing and maintaining the crucial microservices that ensure seamless in-app notification delivery. Our team is the backbone supporting a wide array of features across various teams that rely on efficient notification systems to operate. We are dedicated to collaborating with different Nord teams to pave the way for our scalable future.Are you prepared to tackle challenges related to scalability, cost efficiency, quality code, and maintenance? Help maintain a stable and functional service that acts as an essential component behind many features of NordVPN, NordPass, and NordLayer. Join our team of skilled engineers striving for technical excellence!

Join Fresha, a leading platform in the beauty and wellness industry, as a Senior IT Operations Engineer. In this pivotal role, you will oversee and enhance our IT operational processes, ensuring optimal performance and reliability for our B2B services. Collaborating with cross-functional teams, you will implement innovative solutions that drive efficiency and improve service delivery.

Join our dynamic UCP team at Nordsec as a Senior Software Engineer specializing in React. In this role, you will engage in developing innovative software solutions that enhance user experiences and drive our mission forward. Your expertise in React and software development will be pivotal in designing, implementing, and maintaining high-quality applications.As a member of our team, you will collaborate with cross-functional teams, contribute to architectural decisions, and mentor junior developers. We value creativity, problem-solving, and a commitment to excellence.

Are you passionate about leading a team while writing high-quality code? Join Sigma Software as a Senior Software Engineer / Team Leader! In this pivotal role, you will guide a talented team of engineers, overseeing code reviews, design critiques, and career development while collaborating with our integration teams.Design and develop scalable solutions, ensuring a balance between production-ready code and rapid proof-of-concept development.Take ownership of sprint planning and execute the quarterly roadmap effectively.Serve as the final escalation point for complex technical challenges.Quickly learn and adopt new technologies while strategically managing technical debt.

Join our dynamic team at Sigma Software Group as a Senior Software Engineer / Team Leader, where you'll play a pivotal role in leading innovative projects and guiding a skilled team of developers. You will be responsible for architecting robust software solutions, ensuring high-quality code, and mentoring junior developers.We are looking for a passionate leader who thrives in a collaborative environment and is eager to take on challenges. If you have a strong background in software engineering and a desire to lead a team towards success, we want to hear from you!

Role Overview Miratech is looking for a Senior Full Stack Developer with experience in Java and Angular. Based in Warsaw, this role joins an engineering team that delivers solutions for a range of client projects. What You Will Do Work on full stack development tasks using Java and Angular Collaborate with engineers to build and improve client-facing applications Contribute to project planning and technical discussions What We Offer Opportunities to develop technical skills in a team setting Collaborative work environment Projects that support client success

Location: [Poland] About Us: RTB House is a pioneering performance demand-side platform (DSP) that leverages advanced Deep Learning AI algorithms to empower brands and drive growth. As a leader in the industry, we excel in optimizing performance throughout the entire purchase funnel. Established in 2012 and currently operating in over 90 markets, RTB House is committed to privacy and innovation, employing first-party advertising strategies. Our comprehensive, Deep Learning-driven AdTech solutions are designed to enhance conversion rates, acquire new customers, foster engagement, and sustain long-term demand for our global clientele. Position Overview As a Senior Cloud Operations Engineer, you will play a vital role in supporting our internal teams by overseeing daily operations and providing expert technical guidance within our Google Cloud Platform (GCP) environments. Your responsibilities will include assisting users from IT, engineering, and business teams by advising on project configurations, enabling integrations, supporting CI/CD workflows, and ensuring adherence to best practices in security, networking, and governance. This position offers an exciting opportunity for an engineering professional who enjoys hands-on technical work, tackling practical operational challenges, and empowering teams to effectively utilize cloud services. Key Skills Required: Extensive knowledge of core Cloud concepts, including IAM, networking, VPC Service Controls, project and service configurations, and integrations. Proven ability to guide users through setup, troubleshooting, and best practices. Experience in assisting teams with CI/CD pipeline management, including configuration, troubleshooting, and optimization, along with automating repetitive operational tasks to enhance efficiency and reliability. Strong ownership of operational tasks, adept at diagnosing and resolving issues across cloud services, delivering clear and actionable solutions in situations where requirements may be incomplete or ambiguous. Exceptional communication and collaboration skills to support internal users from diverse backgrounds, work closely with engineering, security, and platform teams, and maintain comprehensive documentation.