Lead Backend Developer at Quantum Systems GmbH | Kyiv

This position is located in the vibrant city of Kyiv, Ukraine, where you will be expected to work full-time in our office. A convenient shuttle service is available from the nearest metro station.We are on the lookout for a Senior Design Engineer to become a vital member of our R&D team, focusing on the development of cutting-edge unmanned aerial vehicles (UAVs). Your key responsibilities will include designing and prototyping UAV assemblies and components, establishing operating principles and structural frameworks, component selection, and system integration into cohesive solutions.This opportunity is ideal for individuals who thrive on transforming innovative concepts into high-tech products. If you possess a keen attention to detail, a passion for precision engineering, and enjoy collaboration, you will find fulfillment in contributing to advancements in aerospace and UAV technology.Your Daily Responsibilities:Design & DevelopmentDesign UAV assemblies and structural components.Select and integrate components and equipment into systems.Choose suitable materials and manufacturing technologies.Prepare production documentation, including drawings, specifications, and 3D models.2. Prototyping & TestingConstruct prototypes and perform functional tests on systems and equipment.Modify designs for manufacturability and collaborate with production teams.3. CollaborationEngage closely with manufacturing departments, subcontractors, and testing teams.

Quantum Systems is at the forefront of developing next-generation unmanned solutions across air, land, and sea. Our innovative aerial drones and advanced underwater and ground platforms merge state-of-the-art hardware with AI-driven software to provide seamless control and real-time data insights. Serving clients in defense, security, and the public sector globally, we are reshaping mission versatility and performance.Since establishing our local office in Ukraine in 2022, Quantum-Systems has been a strong supporter of the country. We are currently seeking a Design Engineer to join our dynamic R&D team to help create the next generation of unmanned aerial vehicles (UAVs). In this role, you will participate in the entire design process—from concept development to product realization—working on cutting-edge technologies and collaborating with cross-functional teams.If you are passionate about transforming innovative ideas into high-tech products, detail-oriented, and thrive in a collaborative environment, we invite you to contribute to advancements in aerospace and UAV technology.This is a full-time, office-based position located in Kyiv.

Quantum Systems is at the forefront of pioneering unmanned solutions that revolutionize operations across air, land, and sea. Our innovative systems, ranging from advanced aerial drones to robust underwater and ground platforms, integrate state-of-the-art hardware with AI-enhanced software, ensuring seamless control and real-time data insights. With a commitment to excellence, we serve a diverse array of clients in defense, security, and the public sector worldwide, consistently redefining mission versatility and operational performance.Since 2022, we have proudly supported Ukraine with our local office.As an IT Support Specialist, you will play a crucial role in maintaining the stability and security of our network environment, ensuring our technological infrastructure operates at peak performance.This is a full-time office position. Candidates must be based in Kyiv.Your Daily Responsibilities:Develop and manage wired and wireless networks while guaranteeing network security.Configure essential network IP services including DNS, DHCP, SMTP, SSH, and FTP.Set up and oversee network protocols and technologies such as TCP/IP, VPN (IPsec, SSL), BGP, OSPF, EIGRP, NAT, Port-security, QoS, VLAN, and STP.Support and configure network equipment from leading brands such as MikroTik, Ubiquiti, Cisco, and FortiNet.Implement and maintain video surveillance systems from manufacturers like Hanwha, Dahua, and Hikvision.Manage firewalls and IDS/IPS systems to enhance security.Provide user support through remote access tools like RDP, TeamViewer, and Anydesk.Monitor and analyze network traffic using specialized analytical tools.

Join our dynamic team in Kyiv as a Linux Software Engineer and be at the forefront of drone technology! This full-time position requires you to work in our office, with a convenient shuttle service available from the nearest metro station.About the RoleAs a vital member of our System Architecture team, you will contribute to the development and maintenance of Linux-based systems that drive our innovative unmanned aerial vehicles at Quantum-Systems. Collaborating with a talented team of three, you will play a pivotal role in advancing drone technologies.You will engage closely with stakeholders from Avionics, Systems Engineering, and Flight Testing to ensure seamless integration of hardware, third-party software, and onboard applications into a robust Linux platform. Your work will ensure a reliable, scalable, and mission-critical software environment, making a significant impact on our operations.Your Daily Responsibilities:Maintain and develop new Linux applications for unmanned aircraft.Design and coordinate interfaces between teams while documenting architecture and design decisions.Integrate hardware and third-party software into the Linux system, collaborating with suppliers and internal teams.Conduct thorough testing of applications, including unit tests, integration tests, functional tests, and acceptance tests.Analyze flight logs from test flights and real-world customer issues.Debug and resolve software and hardware issues related to the Linux system.Enhance the build system, pipeline, and tooling, including creating releases with detailed release notes.Work within an agile environment and adhere to the defined development process.

Quantum Systems is at the forefront of developing next-generation unmanned solutions across air, land, and sea. Our innovative systems, which include advanced aerial drones as well as underwater and ground platforms, are designed to integrate state-of-the-art hardware with AI-powered software to deliver seamless control and real-time data insights. Trusted by defense, security, and public sector clients globally, we are committed to enhancing mission versatility and performance.Since establishing our local office in Ukraine in 2022, we have been a dedicated supporter of the nation.This position is based in the Kyiv region and requires on-site presence for 4 to 5 days a week. Remote work options are not available.We seek a meticulous engineer passionate about data analysis, system quality assurance, and performance validation under real-world conditions.As a Test Validation Engineer, you will be responsible for assessing test results, analyzing logs from ground and flight tests, and ensuring that our systems operate as intended. Your contributions will be vital in validating system performance and detecting discrepancies before they escalate into significant issues.No prior UAV experience is necessary—we will provide the required training. Your attention to detail, consistency, and capability to handle technical data are what truly matter.Daily Responsibilities:Review and analyze logs from ground and flight testsValidate system behavior against expected outcomesIdentify anomalies, inconsistencies, and potential issuesWork with large datasets of telemetry and test resultsClearly document findings and report issuesCollaborate with engineering and support teams to share insights

Join our dynamic team based in Kyiv, where you will work full-time in our office, with a convenient shuttle service available from the nearest metro station.About the RoleWe are on an ambitious journey to expand our R&D team, and this position is pivotal in our newly formed R&D unit. We have allocated all necessary resources and authority to help you succeed in meeting our goals.This is a fantastic opportunity for a professional who:Is passionate about working with cutting-edge technologies.Is eager to take an active role in building R&D processes from the ground up.Wants their contributions to directly support Ukraine’s Victory.Your Daily MissionPropose innovative prototype designs for testing new or enhanced product components.Create schematic, functional, electrical, and other types of diagrams.Prepare technical specifications for ordering prototype components.Actively define technical requirements for cross-functional teams.Configure component software for testing purposes.Participate in prototype testing and document results for informed decision-making.Assist in creating product documentation.Support the transition process from prototype to mass production.Suggest creative solutions and employ innovative components to enhance product efficacy.

Quantum-Systems is at the forefront of developing next-generation drone solutions for aerial, ground, and maritime applications. From advanced aerial drones to underwater and terrestrial platforms, our systems integrate cutting-edge hardware with AI-driven software, enabling seamless management and real-time data analytics. Trusted by clients across the defense, security, and public sectors worldwide, we are redefining versatility and mission efficiency.Since establishing a local office in Ukraine in 2022, Quantum-Systems has solidified its position as a reliable partner in the region.As a Prototyping Technician, you will be responsible for assembling prototypes and test samples.This is a full-time, in-office position. Candidates must be located in Kyiv.Your Daily Mission:Conduct manual assembly of UAV prototypes according to technical documentation and instructions from the prototyping engineer;Install, connect, and test electronic components (autopilots, communication modules, power supplies, navigation systems, sensors, etc.);Participate in testing assembled prototypes, document results, and assist in conducting analysis;Perform minor repairs, replacements, or adjustments of components during testing;Propose improvements in design or assembly methods where optimization opportunities exist;Assist in preparing products for transfer to subsequent testing phases or mass production.

Join our dynamic team as a Support Service Manager at Quantum-Systems, located in the heart of Kyiv. This role requires your presence in the office 3-4 days a week, as we believe in the power of collaboration. For your convenience, we offer a shuttle service from the nearest metro station.You will have the flexibility to choose between two shifts: either 9:00 AM to 6:00 PM or 2:00 PM to 11:00 PM (the late shift can be completed from home).As a Support Service Manager, you will be pivotal in providing exceptional support to our clients who utilize our cutting-edge Unmanned Aerial Vehicles (UAVs) in critical operations. Your dedication will contribute significantly to customer satisfaction and operational excellence.Your Daily Responsibilities Will Include:Delivering user support through inbound chats and calls.Identifying client issues and documenting cases in our CRM system.Analyzing user challenges and providing effective solutions.Coordinating with other departments to resolve user issues and prepare reports for pertinent teams.Preparing necessary documentation for the receipt and issuance of UAVs and components for repair.Drafting reports and liaising with the manufacturer regarding incidents.

Quantum Systems specializes in innovative unmanned solutions that span air, land, and sea. Our advanced platforms, including aerial drones and underwater systems, integrate state-of-the-art hardware with AI-driven software, resulting in seamless control and real-time data insights. With a commitment to our clients in defense, security, and the public sector around the globe, we are setting new standards for mission versatility and performance.Since establishing our local office in Ukraine in 2022, Quantum Systems has demonstrated unwavering support for the country and its people.This position is ideal for individuals who possess a strong passion for technical writing, exceptional attention to detail, and the ability to convert complex engineering concepts into understandable documentation. If you thrive in a collaborative setting and are eager to contribute to advancements in aerospace technology, we would love to hear from you.This is a full-time office-based role, and candidates must be located in Kyiv.Your Daily Responsibilities:Documentation DevelopmentCreate and maintain User Manuals for UAV pilots, covering system descriptions, ground control station operations, antennas and communication equipment, flight preparation, piloting rules, and emergency procedures.Develop Maintenance Documentation including inspection schedules, service procedures, and component replacement guidelines (e.g., propellers, motors, batteries).Prepare numbered documentation such as forms, passports, and labels.2. Collaboration & UpdatesCollaborate closely with design engineers, pilots, customers, and research institutions.Ensure timely updates and revisions of documentation.Create diagrams and illustrations to enhance manuals.

About Quantum-SystemsQuantum Systems is a pioneering company focused on the development, design, and manufacturing of unmanned aerial systems (sUAS). Our advanced reconnaissance drones, the Quantum Systems Vector, have been operational in Ukraine since May 2022. To date, over 200 systems have been deployed through the German Enablement Initiative, with a total of 500 drones anticipated by year-end.Commitment to Supporting UkraineSince the onset of the conflict, Quantum Systems has been dedicated to supporting Ukraine. We are expanding our commitment by establishing a new local manufacturing facility, which will be our second site and is projected to employ around 100 individuals by the end of the year. Over the next two years, we plan to invest up to six million euros. Our support includes providing reconnaissance drones to the Ukrainian Armed Forces, alongside operating a local service, support, training, and logistics center staffed by 25 Ukrainian employees who are training drone pilots and integrating technological advancements into reconnaissance systems.

Role overview Miratech seeks a Senior Frontend Engineer in Kyiv with deep experience in React and design systems. The position centers on building scalable, user-focused web applications and strengthening design systems to ensure consistency throughout Miratech’s products. What you will do Collaborate with cross-functional teams to launch new features and refine existing ones Develop and maintain applications using React Enhance design systems to create a unified user experience across products Support projects at every stage, from initial concept to final implementation Location This is an on-site role based in Kyiv.

Quantum Systems is at the forefront of next-generation unmanned solutions that span air, land, and sea. Our innovative systems, which range from advanced aerial drones to underwater and ground platforms, integrate state-of-the-art hardware with AI-driven software to deliver seamless control and real-time data insights. With a reputation for excellence in defense, security, and public sector industries worldwide, we are committed to redefining mission versatility and performance.Since establishing our local office in Ukraine in 2022, Quantum-Systems has been a steadfast supporter of the nation.This position is ideal for individuals who have a passion for transforming engineering concepts into optimized manufacturing processes. If you are detail-oriented, thrive in a collaborative environment, and aspire to contribute to aerospace technology innovations, we encourage you to apply.This is a full-time, office-based role, and candidates must be located in Kyiv.Your Daily Responsibilities:Develop technological processes for the manufacturing of composite parts.Create detailed process documentation, including technological cards, instructions, and routing sheets.Optimize workflows to minimize defects and production time.Monitor and provide support throughout all production stages.Ensure compliance between actual production and approved technologies.Identify and rectify technological defects.Analyze errors and suggest improvements.Prepare acceptance reports and testing protocols.Develop control charts for finished products.Select appropriate PPE and auxiliary materials.Conduct technical briefings for production staff.Collaborate with design engineers, production supervisors, and quality engineers.

Quantum Systems specializes in innovative unmanned solutions for aerial, terrestrial, and maritime applications. Our advanced drones and platforms integrate state-of-the-art hardware with AI-enhanced software, delivering seamless control and real-time insights. Trusted globally by defense, security, and public sector clients, we are at the forefront of redefining operational versatility and performance.Since 2022, Quantum-Systems has proudly maintained a local office in Ukraine, demonstrating our commitment to the region.We are seeking a Design Engineer (specializing in serial production equipment) to join our dynamic production engineering team. In this role, you will design and refine tooling and fixtures for composite manufacturing processes. Your contributions will span the entire product lifecycle—from initial concept through to execution—while collaborating closely with R&D, technologists, and production teams.This position is ideal for those who are passionate about transforming concepts into high-tech solutions, exhibit strong attention to detail, and thrive in a collaborative environment. Join us in advancing innovations within aerospace and composite technologies.This is a full-time, office-based role. Candidates must be located in Kyiv.

Join our team in Kyiv as a System Engineer Navigation and be part of a groundbreaking journey in UAV navigation technology. This role requires full-time presence in our office, conveniently serviced by a shuttle from the nearest metro station.About the PositionAs a System Engineer Navigation, you will play a pivotal role in shaping the future of unmanned aerial vehicle navigation systems. Your work will span both hardware and software domains, focusing on the integration of cutting-edge sensors, the development of advanced navigation algorithms, and enhancing flight control performance. If you have a passion for UAV technology and enjoy collaborating across functions to innovate navigation and guidance systems, we want to hear from you!Your Daily Responsibilities:Facilitate communication between customer support and R&D, prioritizing feature requests and managing bug reports.Gather, analyze, and assess preliminary data to inform hardware updates.Collaborate effectively with cross-functional teams.Participate in design reviews and contribute to system documentation.Analyze and integrate new sensors, focusing on flight control-related components like IMU, GNSS, magnetometers, and pressure sensors.Develop integration and validation concepts.Design, implement, and test algorithms for navigation and control systems that meet project specifications.Conduct simulations and analyses to validate GNC models and assess system performance under various conditions.Enhance system performance through innovative sensor calibration techniques.

Become a part of Ajax Systems, a pioneering manufacturer of advanced Ajax wireless security solutions with intelligent home features. As a comprehensive company, we excel in transforming innovative concepts into tangible products through both development and large-scale manufacturing.With an impressive portfolio of over 170 devices, the Ajax product line effectively protects properties against intrusions, fires, and flooding while facilitating effortless control over electronic devices. Our innovations have garnered Europe’s most prestigious security accolades, reinforcing our status as a dependable leader in the industry.Ajax represents a remarkable Ukrainian success story, driven by immense passion and vigor. Currently, we safeguard over 1,800,000 users across 170 countries globally. As our organization continues to flourish, we are on the lookout for proactive individuals to join our team and play a vital role in our ongoing success.We are thrilled to present a unique opportunity for a Support Engineer proficient in German. In this role, you will be an integral member of our dedicated support team, assisting customers worldwide by providing 24/7 support across various communication channels. We take pride in our multilingual capabilities, enabling us to swiftly address and resolve customer inquiries.

Join Our Mission at SolidgateAt Solidgate, we are dedicated to empowering dynamic entrepreneurs in building outstanding internet companies. Our goal is to provide the financial infrastructure that innovators need to shape the digital economy. We are on an ambitious journey to establish ourselves as the top payments orchestration platform globally. We believe that the future of payments is crafted by individuals who think creatively, take initiative, and approach every task with curiosity and determination. That’s the kind of talent we want to welcome into our team.Solidgate is proud to be part of Endeavor, a global network of the most impactful entrepreneurs. As the first payment orchestrator from Europe to join this esteemed community, we are excited to share our insights within a network of exceptional global companies.About the RoleWe are seeking a dedicated Product Designer to join our team at Solidgate. This position is pivotal in transitioning our design process from reactive to proactive, focusing on product-driven design.Your role will help eliminate design bottlenecks in daily product and UI work, enhance product thinking within design, and actively influence the evolution of our products — not just their appearance.You will collaborate closely with Product Teams to refine existing solutions, validate design choices, and implement meaningful enhancements to complex fintech products.Your ResponsibilitiesPropose and develop ideas to enhance product usability and efficiency (e.g., streamlining processes, simplifying user flows)Validate product design decisions through research, testing, and stakeholder inputDesign and improve internal admin panels across four products with complex, information-rich interfacesContribute to and maintain Solidgate's internal design systemDesign and optimize impactful user-facing components such as payment forms and payment links, where each interaction is crucial to conversion ratesCollaborate with engineers to ensure designs are practical, clear, and effectively implementedYour ProfileMinimum 3 years of experience as a UI/UX or Product DesignerStrong product-oriented mindset: focused on solving challenges rather than merely delivering screensExperience in designing complex interfaces, particularly in the fintech sector

Quantum-Systems is at the forefront of developing next-generation unmanned systems for aerial, land, and maritime applications. From advanced aerial drones to underwater and ground platforms, our systems integrate cutting-edge hardware with AI-driven software, delivering seamless control and real-time data analytics. Trusted by clients in defense, security, and the public sector globally, we are redefining versatility and mission execution efficiency.Quantum-Systems is a committed partner to Ukraine, with a local office established in 2022.We are currently seeking a Test Engineer to ensure the operational effectiveness of our equipment, identifying defects and maintaining quality control prior to release or further repair. This is a vital role that guarantees the reliability of our technology.This position is full-time and office-based. Candidates must be located in Kyiv.Your Daily Mission:Conduct functional testing of equipment within defined parameters.Maintain comprehensive logs throughout the testing process.Identify, describe, and classify discrepancies.Verify devices post-repair or component replacement.Test modules: power supplies, network interfaces, sensors, buttons, and ports.Work with diagnostic software and measuring tools.Conduct load and stress tests as required.Collaborate with service engineers to clarify defects and facilitate equipment repairs.Adhere to internal testing and quality standards.

We are seeking a highly organized, proactive, and people-oriented Design Operations Manager to become a vital part of our Design Hub team based in Kyiv. In this pivotal role, you will drive the operational success of the hub, marrying structured processes with a human-centric approach and a profound understanding of the design landscape. Your responsibilities will encompass managing the 'business of design'—from overseeing financial workflows and vendor relationships to orchestrating large-scale events and educational initiatives—allowing our talented designers to concentrate on their creative pursuits in a vibrant atmosphere. This is an exceptional opportunity for a leader who embodies design culture, communicates fluently in professional terminology, and thrives in matrix management, converting logistical and operational hurdles into seamless, polished experiences.

Wisey, part of Universe Group, develops productivity tools used by millions worldwide. The team partners with experts from the University of California, Berkeley, and behavioral psychology specialists to guide product development. Wisey is hiring a Junior Product Designer to join the Kyiv office. Role overview This Junior Product Designer role centers on improving user experience and product performance. The design team collaborates closely with product, marketing, and analytics colleagues to test ideas and refine features. Designers receive hands-on experience, regular feedback, and a clear path to grow from Junior to Senior as their responsibilities expand. Design solutions are implemented quickly, influencing conversion, upselling, and user experience metrics. The work directly shapes a personal productivity product used by over 2.6 million people globally. What you will do Collaborate with product, marketing, and analytics teams to test concepts and enhance user experience through design and A/B testing. See your design work implemented rapidly, with measurable impact on product metrics. Contribute to a widely used productivity platform, gaining practical experience and feedback. Requirements Minimum 1 year of commercial product design experience. Proficient in Figma, including Auto Layout, variables, components, and design systems. Experience with AI tools for image generation and workflow optimization (such as Midjourney, Nano Banana, Chat GPT, or similar). Strong sense of UI aesthetics and ability to create user-friendly, visually appealing interfaces. Basic understanding of user research and product/business metrics. Motivation to develop as a designer and take ownership of results. Ability to learn quickly and adapt to new challenges. Bonus skills Experience designing user scenarios, including flow logic and detailed UI elements. Background in conducting research, such as marketing studies or user interviews. Prototyping skills. Familiarity with animation tools like After Effects, Lottie, or Rive. This position is based in Kyiv.