Junior Backend Software Engineer

Join our dynamic team at Qualysoft as a Storage Engineer specializing in SAN & NAS solutions. In this role, you will be instrumental in designing, implementing, and maintaining our storage infrastructure to ensure optimal performance and reliability. You will work closely with cross-functional teams to develop innovative solutions that meet our clients' needs.Your expertise will help us manage and optimize our storage systems, providing critical support for our data management strategies. If you are passionate about storage technologies and eager to contribute to exciting projects, we would love to hear from you!

CoreWeave is seeking a Senior Engineer to join the Storage Control Plane team in Warsaw, Poland. This position focuses on strengthening the company’s cloud infrastructure, with an emphasis on storage systems. Role overview The Senior Engineer will take the lead on projects aimed at improving storage efficiency, scalability, and performance. The work centers on developing new solutions that address the evolving needs of cloud storage at scale. Collaboration and impact This role involves close collaboration with teams across the organization. Sharing knowledge and aligning on best practices in cloud storage management are key aspects. Contributions will directly shape the architecture and capabilities of CoreWeave’s platform. What you will do Drive initiatives to optimize storage systems for efficiency and scalability Develop and refine solutions that enhance storage performance Work with cross-functional teams to implement effective storage management practices Influence the design and evolution of the platform’s storage architecture

Join our dynamic team at Mirantis as a Senior QA Engineer specializing in Cloud and Storage solutions. We are on the lookout for an experienced and motivated professional who excels in cloud-native platforms and storage systems. This pivotal role requires a blend of technical expertise and leadership in test strategy, automation, and quality assurance. Your contributions will be vital in ensuring our solutions achieve unparalleled standards of reliability, scalability, and performance across various storage subsystems, distributed systems, and Kubernetes environments.Key ResponsibilitiesTest Strategy & Quality LeadershipDesign and implement comprehensive QA strategies tailored to storage, cloud-native, and distributed environments.Lead risk assessments, test planning, and evaluate release readiness.Set quality benchmarks, release metrics, and establish data-driven feedback mechanisms to guarantee production-grade releases.Promote a quality-centric culture and influence design and architectural decisions with testing principles in mind.Test Infrastructure & AutomationCreate, enhance, and oversee scalable automated testing frameworks and infrastructures.Design and manage testing systems for validating storage, microservices, and hybrid-cloud workloads.Seamlessly integrate automation into CI/CD pipelines (e.g., Jenkins, GitHub Actions) to ensure reliability and maintainability.Employ Infrastructure-as-Code methodologies to craft repeatable, extensible, and robust test environments.Advanced Testing & Continuous ImprovementConduct functional, non-functional, integration, system, performance, and failover testing.Simulate production-like workloads, failure scenarios, and perform recovery testing across distributed clusters.Incorporate chaos, performance, and security testing into the development lifecycle.Collaborate closely with DevOps and engineering teams on monitoring, debugging, and enhancing resilience.Mentorship & CollaborationGuide junior QA engineers and developers in advanced testing methodologies and automation techniques.Act as the QA authority during design reviews, incident retrospectives, and readiness assessments for production.Engage with geographically dispersed teams to tackle technical challenges and drive continuous quality improvements.

Empower Every Identity, from Artificial Intelligence to HumanAt Okta, we believe that identity is the crucial element in unleashing the full potential of AI technology. Our mission is to provide secure, trusted, and neutral infrastructure that allows organizations to confidently navigate the evolving landscape of identity management. We are driven by a commitment to solve intricate challenges that matter in the real world. We seek individuals who take ownership, act with urgency, and strive for excellence.Join us in making a significant impact in your career. If you share our passion for this mission, we want to hear from you.As a Senior Solutions Engineer within the Auth0 platform team, you will serve as a strategic technical expert, bridging the gap between software engineering and a strong inclination for identity and security. You possess the unique blend of technical expertise and business acumen, eager to leverage both to enhance revenue streams directly and through a dynamic partner ecosystem.In this role, you will act as a trusted advisor to customers and a network of strategic partners. Collaborating closely with our sales and alliances teams, you will demonstrate, design, and validate identity solutions that address complex challenges and directly contribute to our growth. Your ability to empathize with customers will enable you to quickly understand their true needs, architecting solutions that yield remarkable outcomes.This position is based in Warsaw, Poland, with remote work flexibility and a future transition to a hybrid office model anticipated (2-3 days per week).

Teltonika Networks is seeking a Mid Backend Engineer in Warsaw, Masovian Voivodeship, Poland. The team develops backend software for networking solutions that power Industry 4.0, Smart City initiatives, and Green Energy projects. Teltonika designs and manufactures connectivity equipment for industrial and enterprise use, including routers, switches, gateways, and modems. Product details are available at https://www.teltonika-networks.com/products. Role overview This position centers on backend development for embedded Linux software used in IoT devices. The Mid Backend Engineer will contribute to API frameworks and help bring new technologies into established systems. Collaboration with R&D teams is a regular part of the role, especially when solving technical challenges. Main responsibilities Design and implement embedded Linux software for IoT hardware Develop and maintain proprietary API frameworks for R&D use Analyze and integrate new technologies into current systems Work with colleagues to resolve complex technical issues Requirements At least 2 years of experience programming in C Minimum 2 years working with APIs Proficiency in Shell and Python scripting for automation Solid understanding of Git version control Experience with Linux-based operating systems Strong written and spoken English Preferred qualifications Technical degree in a relevant field Background working with IoT devices Understanding of computer networking principles Knowledge of cybersecurity practices Experience with Lua programming Familiarity with OpenWrt Benefits Opportunities for career growth within a growing company Challenging projects in industrial networking Private medical care (Medicover Premium) and Multisport card Flexible hybrid work, coordinated in advance with your manager Extra day off for your birthday Team-building events and activities

Join CyberArk as a Solution Engineer Subject Matter Expert (SME) focused on Workforce solutions in the Central Eastern Europe (CEE) region. In this pivotal role, you will leverage your expertise in cybersecurity to provide tailored solutions that meet the unique needs of our clients. You will collaborate with cross-functional teams to drive successful implementations and ensure customer satisfaction.

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.

NielsenIQ seeks a Client Solution Architect based in Warsaw. This position centers on understanding each client’s goals and designing approaches that align with their specific needs. What you will do Create tailored solutions for clients by analyzing their requirements and objectives Develop strategies that support clients in reaching project milestones and desired outcomes Work closely with client teams to ensure solutions match expectations and deliver value Location This role is based in Warsaw.

Join NielsenIQ as a Junior Client Solution Architect and embark on an exciting journey of innovation and problem-solving! In this role, you will collaborate closely with clients to design and implement tailored solutions that meet their unique needs. This position offers a fantastic opportunity for those looking to kickstart their career in solution architecture within a dynamic and supportive environment.

About Zowie:At Zowie, we are transforming the way businesses engage with their customers. Our vision is to create a future where AI Agents manage all customer interactions, providing instant, personalized, and outstanding experiences.We believe that AI Agents signify the next significant technological evolution, and Zowie is at the forefront of this movement. Renowned brands such as Costco, DocMorris, Monos, Decathlon, and InPost trust our AI Agents to lead their customer service initiatives, handling millions of conversations each month.Are you passionate about AI making a real difference? Our AI Agents not only enhance support interactions but also convert them into revenue opportunities. Additionally, our AI Inbox empowers human agents to provide quicker and higher-quality responses, resulting in satisfied customers, improved conversion rates, and streamlined support teams.About the RoleAs a Solutions Consultant, you will craft and showcase solutions that demonstrate how Zowie turns customer service into a profit-generating center. Collaborating closely with our Account Executives, you will identify both business and technical requirements, devise creative solutions, and guide prospects from initial interest to a strong desire to adopt our technology.This is your opportunity to influence how prominent brands leverage AI to drive revenue and provide exceptional customer experiences.Curious about our technology? Check out our tutorials.Interested? Get in touch and let’s discuss!Key Responsibilities:Collaborate with Account Executives to effectively position Zowie, build robust relationships within target accounts, navigate technical objections, and secure deals.Engage deeply with customer challenges through insightful discovery sessions, becoming an expert in their unique business processes and identifying where our AI can enhance their operations.Develop innovative, customized solutions using our advanced AI Agent and AI Inbox that meet each prospect's distinct needs.Present your solutions through captivating demonstrations that illustrate technical possibilities and help customers envision their success.

Join our dynamic team at Inetum Polska as a Python Software Engineer, where you'll play a pivotal role in the development and upkeep of cutting-edge data processing solutions tailored for a vast telecommunications environment. Your primary focus will be on crafting Python-based modules that efficiently load, transform, and analyze network data, in addition to creating supportive tools for monitoring, reporting, and SLA-related processes.Key Responsibilities:Design and implement new Python modules for effective data processing within telecommunications networks.Develop and sustain software that enhances network quality monitoring, comprehensive reporting, and SLA calculations.Construct and optimize Python scripts for data loading and transformation in Oracle databases.Engage in ongoing transformation projects to enhance our technical environment.Provide support and maintenance for existing solutions in production.Participation in on-call support (24/7) may be required, typically one week per month. This rotation is currently inactive but could be reinstated in the future, with readiness to participate if needed.

CoreWeave is hiring a Senior GPU Performance Engineer to join its GPU Performance Team in Warsaw, Poland. This team handles automated testing and validation for a rapidly growing fleet of nodes and infrastructure, supporting hardware stability and performance at every stage of the product lifecycle. What you will do Design and implement automated testing solutions for large-scale infrastructure. Develop platforms, workflows, data structures, API endpoints, and supporting tools to manage performance testing. Create and maintain detailed test plans, automate deployment processes, and build dashboards, alerts, and insights for the performance testing platform. Contribute to a team culture that values idea sharing, curiosity, and creative problem-solving. Requirements Software engineering experience focused on reliability, automation, and scalability. Background in managing end-to-end services and working with hardware. Proficiency in Go or Python. Experience with Kubernetes and structured testing methodologies. CoreWeave is a Living Wage accredited employer and became a publicly traded company (Nasdaq: CRWV) in March 2025. More information is available at www.coreweave.com.

Join our innovative team at Qualysoft as a Backup Engineer, where you will play a crucial role in safeguarding our clients' data through efficient backup solutions and recovery strategies. We are looking for passionate individuals who excel in technical problem-solving and are eager to contribute to our mission of delivering high-quality IT services.

About Zowie:At Zowie, we are redefining the landscape of customer-business interactions. Our vision is to create an environment where AI Agents manage all customer interactions, providing instantaneous, personalized, and outstanding experiences.We recognize that AI Agents signify a significant technological evolution, and Zowie is at the forefront of this transformation. Prominent brands such as Costco, DocMorris, Monos, Decathlon, and InPost trust our AI Agents to lead their customer service initiatives, managing millions of conversations each month.Are you enthusiastic about AI that truly makes a difference? Our AI Agents turn support interactions into revenue streams, while our AI Inbox enhances human agents' ability to respond swiftly and with greater quality. The outcome: delighted customers, improved conversion rates, and streamlined support teams.About the RoleAs a Senior Solutions Consultant, your role will entail designing and showcasing solutions that illustrate how Zowie can convert customer service into a profitable venture. You will collaborate closely with our Account Executives to identify both business and technical needs, craft innovative solutions, and lead prospects from initial interest to urgent necessity.This is an exceptional opportunity to influence how leading brands harness AI to drive revenue and provide outstanding customer experiences.Curious about our technology? Check out our tutorials.Intrigued? Let's connect and discuss!Your Responsibilities:Collaborate with Account Executives to effectively position Zowie, establish robust relationships within target accounts, address technical concerns, and close deals.Engage in thorough discovery sessions to understand customer challenges deeply—becoming adept in their unique business processes and pinpointing where our AI can enhance their operations.Create innovative, customized solutions utilizing our state-of-the-art AI Agent and AI Inbox that specifically cater to each prospect's unique needs.Present your solutions through engaging demonstrations that highlight the technical capabilities of our offerings.

About The Dot CollectiveWe are a forward-thinking consultancy operating across the UK and EU, dedicated to engineering excellence and empowering individuals to create a meaningful impact. Our team utilizes the latest technology stacks and employs agile scrum methodologies for all our projects.About YouDo you have a genuine passion for data and its transformative capabilities? Are you eager to make a significant impact in a short timeframe? If so, you might be the perfect fit for our team.

Join a Transformative CompanyAt Palantir, we are dedicated to developing innovative software that tackles some of the world's most pressing challenges. We collaborate with major institutions globally to revolutionize their data and technology utilization. Our solutions have been instrumental in preventing terrorist activities, advancing medical research, enhancing financial market strategies, and much more. If you're passionate about impactful projects, we invite you to become part of our team.Your RoleAs a Forward Deployed Software Engineer (FDSE), you will engage directly with clients to swiftly assess their most critical issues and devise data-driven solutions. Our clients depend on Palantir’s platforms for essential operations, often beginning with probing questions like “What causes our flight delays?” or “How can we improve money laundering detection?” In this role, you will leverage your analytical prowess, creativity, and technical expertise to empower organizations to harness their data for significant global impact. You will gain unparalleled insights and contribute to vital industries and institutions.Your responsibilities will parallel those of a startup CTO, working in agile teams with minimal oversight while taking full ownership of high-stakes projects. Your daily tasks may include architectural discussions with engineers, managing vast datasets, developing custom web applications, liaising with client executives, or strategizing with your team.Whether your aspirations lie in entrepreneurship or engineering leadership, Palantir offers an unparalleled environment — with exceptional colleagues — to cultivate your skills. You will learn to dissect complex problems, evaluate the implications of solutions, explore new technologies and programming languages, and even contribute to their development. You will operate independently while being supported by a community that encourages your growth and challenges you to excel.Our Core Values• Impact: Engage in significant and challenging projects that drive positive change.• Ownership: See projects through from conception to completion, overcoming any challenges along the way.• Collaboration: Work closely with diverse teams, including fellow FDSEs, product teams, and Deployment Strategists, as well as with clients on-site to address their needs.• Trust: We empower each other to manage our time and priorities effectively, allowing for independent thought and decision-making.• Growth: We motivate ourselves and colleagues to pursue new challenges and opportunities for personal and professional development.

Location: Fully Remote (Availability during U.S. business hours is essential)Compensation: Competitive base salary along with performance-based incentivesRole: Account ExecutiveAbout the PositionWe are in search of a dynamic and skilled Account Executive to oversee the entire sales cycle—from initial outreach to closing deals—while consistently boosting revenue and surpassing performance benchmarks. This pivotal role is perfect for a self-driven, results-oriented sales professional who excels in a fast-paced, consultative setting.In this role, you will partner with leadership and cross-functional teams to engage qualified leads, comprehend customer requirements, and devise customized window treatment solutions. You will provide expert insights on best practices, delivering recommendations that yield measurable results and outstanding customer satisfaction.ResponsibilitiesManage both inbound and outbound sales discussions with U.S.-based prospects.Conduct virtual consultations to evaluate needs, design personalized window treatments, and suggest solutions based on industry best practices.Take ownership of the entire sales process, including CRM pipeline management.Offer expert, consultative advice on window treatment alternatives and design best practices.Work closely with internal teams to guarantee a smooth post-sale experience.Consistently achieve or surpass agreed-upon performance metrics (conversion rate, activity volume, and revenue).QualificationsMinimum of 3 years in consultative, technical, or high-value sales (B2B or B2C).Demonstrated ability to consistently exceed sales goals.Exceptional verbal and written communication skills in English.Dedicated to assisting customers, providing value, and acting as a trusted advisor.Background in Interior Design, Architecture, Decoration, or a related field is preferred.Proficient in modern CRM systems and virtual sales tools.Self-motivated with dependable equipment (computer, webcam, headset) and high-speed internet connection.

Join the innovative team at nordsec as a Senior Frontend Engineer specializing in React within our Network Department. In this role, you will leverage your expertise to create dynamic and responsive user interfaces that enhance our network solutions. Collaborate with cross-functional teams to deliver high-quality software that meets our users' needs.

Join NordLayer, where we are revolutionizing cybersecurity for modern businesses.Our dynamic platform is designed to empower teams while alleviating security concerns. Trusted by over 11,000 global organizations, NordLayer seamlessly integrates with any technology stack, ensuring user protection across borders.Your role: As a DevOps Engineer, you will play a pivotal part in securing the infrastructure and enhancing CI/CD processes within our organization. Work closely with seasoned engineers and cross-functional teams to adopt DevOps best practices, support scalable cloud solutions, and optimize software delivery. This role offers a fantastic opportunity to advance your career in a vibrant environment dedicated to infrastructure automation and innovation.