RF-інженер, розробник антен

Ajax Systems is seeking a skilled RF Engineer specializing in antenna development to join our innovative team in Kyiv. As a leading international technology company and the largest developer and manufacturer of Ajax security systems in Europe, we are dedicated to creating a comprehensive ecosystem of 180 devices, mobile and desktop applications, and robust s…

Join Ajax Systems, a leading international technology firm and Europe’s largest manufacturer of security systems, as a Mechanical Engineer specializing in special equipment. Our innovative products serve over 4.5 million end-users and 330,000 PRO users across more than 180 countries, offering comprehensive solutions for protecting residential and commercial properties of all sizes. Our portfolio includes 280 devices for intrusion detection, video surveillance, fire safety, and automation. The Automation Department focuses on developing integrated hardware-software complexes for testing our devices during production and creating robotic lines for assembly and packaging automation. We also develop software for device firmware and production management, optimizing sensor manufacturing time using Python 3 and Embedded C.

Join Jacobs Douwe Egberts as the Head of Marketing for Ukraine, where you will lead our marketing strategy and drive brand growth. This is a pivotal role that requires a visionary leader to enhance our market presence and engage consumers effectively.

Skelar is a Ukrainian venture builder focused on creating international tech businesses. Alongside our co-founders, we assemble strong teams to excel in global markets.Currently, we are searching for a Senior Creative Marketing Manager to join our Leaply business.Leaply is an ecosystem of products in the Health & Wellness niche. Our mission is to create a platform that allows users to fully delegate their health care.We are currently integrating two main directions:Digital: A mobile application designed to foster habits and improve health based on scientific practices. Some figures: in the first year, we grew over 20 times. In December, we achieved a 5x increase in Gross Profit month-to-month.Physical: Our own line of FDA-approved supplements (manufactured in the USA). We utilize formulas based on patents developed by our R&D team.Your Impact and Team StructureWe believe in bottom-up decision-making and empower the individuals directly involved with the product.As a Senior Creative Marketing Manager, you will work within a cross-functional team (UAM + CMMs + Designers + Growth Manager). The team operates as an independent unit, influencing the creative strategy, modifying/launching funnels, and product development.Your Responsibilities Include:Developing and iterating creative hypotheses based on analysis;Analyzing successful creative elements from top players in performance marketing to enhance our approaches;Keeping track of news and trends in the Health & Wellness niche;Testing ideas for new funnels.What Matters to Us:English C1: You understand the audience and can create native content for them;Passion: You are genuinely interested in the Health & Wellness niche;Proven Track Record: You have successful cases working with Tier-1 markets on large budgets in Meta or TikTok;Customer-Centric: You grasp the cultural codes and psychology of Tier-1 users.Opportunities:Leadership Path: Become the lead of the creative team and drive innovative projects.

SKELAR is a venture builder dedicated to creating international product IT companies following the principles of the venture investment world. Together with co-founders, we assemble strong teams to launch product-driven IT businesses and succeed in global markets.RiseGuide is a self-development app built around examples from renowned role models.Our users break bad habits by following advice from Andrew Huberman and Simon Sinek; enhance their social networks and content inspired by the playbooks of Alex Hormozi and MrBeast; and launch their own businesses while drawing inspiration from the life rules of Richard Branson and Steve Jobs, among others.We are poised to revolutionize the self-development and micro-learning industry, aiming to create a company that surpasses MasterClass.Currently, we are seeking a Senior Creative Marketing Producer.We had an incredibly successful Q5 and are actively scaling, having grown fivefold over the past year. We recognize that our primary growth driver is new creative concepts, presenting you with a unique opportunity to lead our creative factory and be at the forefront of our marketing team within this promising scale-up, which offers substantial career development opportunities and allows you to realize your entrepreneurial spirit.Key Challenges Await:— Develop and implement creative strategies;— Manage the creative factory – within a couple of months, you will oversee 3 creative marketers and more than 3 designers;— Work with analytics: monitor the effectiveness of creative concept tests and adjust strategies based on data, proposing new solutions;— Collaborate with the product and technical team to create funnels and influence the product.What Matters to Us:— 2+ years of marketing experience;— Practical experience in developing and executing advertising campaigns on Meta Ads;— Experience working in the US, Canada, Australia, and UK markets;— Data-driven decision-making approach. Strong analytical skills, ability to analyze large volumes of information and draw conclusions;— Systematic and structured thinking;— Creativity and the ability to generate high-quality new ideas and hypotheses;— English proficiency at B2 level.We are looking for a person who is both “about creativity” and “about analytics,” but most importantly – “about results” :)In addition to business initiatives, we are developing the SKELAR Foundation, created by company employees. Within this initiative, we create and fund projects that help address the consequences of war and contribute to the recovery of Ukraine.SKELAR is an environment for self-realization for individuals capable of creating successful companies. We refer to these companies as the next big everything. We believe in their power and scale.

The Senior HR Generalist serves as a vital HR partner for designated business functions in Ukraine, facilitating the effective execution of HR strategies and initiatives while promoting a consistent employee experience throughout the entire employee lifecycle.This role encompasses comprehensive HR support for both employees and managers, spanning crucial HR domains such as talent and performance management, learning and development, employee engagement and culture, employee relations, and the implementation of HR policies that align with company standards.Main ResponsibilitiesHR Business Partnering:Act as the primary contact for employees and managers regarding HR-related inquiries.Function as the HR Business Partner for assigned functions (Execution, IT, Commercial).Guide managers on people-related choices and HR methodologies.Assist in organizational effectiveness and workforce planning initiatives.Provide HR assistance during organizational changes and initiatives.Talent and Performance Management:Oversee the learning and development lifecycle, including needs analysis and the development and execution of the local L&D agenda, as well as the implementation of regional initiatives in Ukraine.Facilitate local calibration of performance and talent review sessions for assigned functions and support subsequent action planning.Document HR processes and prepare reports related to personnel activities (training, performance evaluations, etc.).Conduct local training sessions for employees.Plan and track the learning and development budget for Ukraine.Engagement & Communication:Foster employee engagement and manage internal communications.Lead Employee Engagement Surveys (if applicable), interpreting results and presenting insights.Initiate and execute local engagement action plans.Oversee Employee Assistance Programs and well-being projects in Ukraine.HR Planning & Operational Support:Support HR planning and operational processes, including budgeting, compensation and benefits activities, and the implementation of HR projects in alignment with business priorities.Additional Responsibilities:Apply various policies, rules, procedures, and regulations relevant to assigned functions.Review, interpret, and propose improvements to policies, processes, or programs.Ensure compliance with applicable rules and regulations.Manage special projects as needed.Actively support the Company’s Safety, Health, and Environmental systems and objectives.

We are looking for a driven and detail-oriented Project Manager to join our team at Ajax. In this role, you will lead projects focused on Automation and New Product Introduction (NPI), ensuring that all project goals and timelines are met. You will collaborate with cross-functional teams and leverage your expertise to manage project scope, schedule, and resources effectively.

Ajax Systems is a leading international technology company and Europe's largest developer and manufacturer of Ajax security systems integrated with smart home functionalities. Our comprehensive ecosystem comprises 180 devices, mobile and desktop applications, and robust server infrastructure. Each year, we experience exponential growth in our team size and user base worldwide. Currently, we boast over 4,100 employees, safeguarding 3.5 million users across more than 187 countries.Our Research and Development (R&D) team is responsible for device development and is divided into four core departments: System, Device, Automation, and Quality Assurance (QA).Given the heightened demands for reliability and stability in security systems, the QA Department at Ajax Systems plays a crucial role throughout the product lifecycle—from development through production to ongoing enhancements. Our QA engineers are not just testers; they are creative problem-solvers who identify bugs in hardware, software, or system interactions. They rigorously test new devices under extreme conditions, simulating human and animal movements, recreating challenging weather scenarios, temperature fluctuations, and conducting controlled fire and flooding tests.We are seeking a passionate individual to join our device quality assurance team in Kyiv.

Join the Kyivstar.Tech team as we seek a dedicated ERP Technical Support Engineer specializing in Oracle E-Business Suite (OEBS).About UsKyivstar.Tech is an innovative Ukrainian hybrid IT company and a resident of Diya.City. As a subsidiary of Kyivstar, one of the largest telecommunications operators in Ukraine, we are committed to transforming lives in Ukraine and beyond through cutting-edge technological solutions that fulfill the potential of businesses and the needs of users.With over 500 specialists, KS.Tech excels in various domains including mobile and web solutions, as well as the design, development, support, and maintenance of high-performance systems and services.We believe in innovations that drive meaningful change and continuously challenge traditional approaches and solutions. Each team member embodies an entrepreneurial spirit, fostering an environment of growth, development, and creativity.

About Resorcer.com Resorcer.com is a Ukrainian engineering company working as part of an international engineering and manufacturing group. The Kyiv office serves as a key hub for daily operations and collaboration with global partners. Role Overview The Business Assistant / Office Manager will support executive leadership, oversee office operations, and coordinate activities across departments. This position is central to keeping the Kyiv office organized and responsive to both local and international needs. Main Responsibilities Provide executive assistance to senior management Manage daily office operations and supplies Coordinate internal processes and administrative workflows Facilitate communication between Kyiv staff and global stakeholders Support operational efficiency across teams What We Look For Strong communication skills Attention to detail and organizational ability Experience handling multiple priorities Comfort working in a high-stakes environment Ability to collaborate with both local and international colleagues Location and Schedule This is a full-time, on-site role based in downtown Kyiv.

Skelar is a pioneering Ukrainian venture builder dedicated to developing international tech businesses. Together with our co-founders, we assemble strong teams to excel in global markets.Currently, Skelar boasts numerous businesses across various niches—from EdTech to marketplaces. Our ventures consistently rank among the top startups and product companies in Ukraine, achieving high rankings in the App Store and developing platforms utilized by millions. Our businesses have been featured in leading media outlets like TechCrunch and Wired.We take pride in our robust team of over 1000 specialists, all possessing exceptional expertise and ambitious goals. Our people are our most valuable asset, and we strive to build businesses alongside the top talents in the market.We are excited to announce the launch of a new product and are on the lookout for a Senior User Acquisition Manager to lead our Meta Ads strategy (initially web2web, followed by web2app).We are seeking not just an executor, but a future leader who is eager to build this direction from the ground up, with the potential to become a manager for three exceptional User Acquisition Managers (each with their own source) within 6-8 months. This is an opportunity to develop a strategy from scratch and acquire the necessary resources for large-scale experiments that leverage accumulated experience into business results.Key Challenges Ahead:Establishing infrastructure for launching paid Meta traffic (and other channels) as part of the new business launch with web2web and web2app acquisition;Launching the first Meta Ads traffic for the product and collaborating with the product marketing and creative teams to find the unit economics;Building a system for stable and continuous testing of marketing hypotheses to find the product-market fit in priority markets;Becoming a mentor for the current User Acquisition team, providing practical experience and enhancing their performance;What We Value:3+ years of experience with Meta Ads in B2C SaaS products (practical experience with Google Ads and TikTok Ads is a plus);Successful track record of managing advertising budgets (from $500,000/month);Data-driven approach to hypothesis validation, always tracking metrics during launches;Appreciation for unconventional approaches, particularly regarding tests and intriguing cases;Initiative and a desire to grow quickly into a people manager role;Intermediate English proficiency (B1+);

Join Simulmedia, a pioneering company in data-driven advertising, where we leverage cutting-edge analytics and machine learning to enhance ad placements and campaign efficiency. Our goal is to transform the advertising landscape, empowering brands to connect with their audiences more effectively.Job Overview:We are on the lookout for a passionate and skilled Senior Data Scientist to become an integral part of our innovative team. The ideal candidate will possess extensive knowledge in supervised learning, reinforcement learning, and optimization methodologies. You will be instrumental in crafting and deploying sophisticated machine learning models, generating actionable insights, and refining our advertising strategies.This position is based in Ukraine, with a primarily remote work setup and occasional in-person meetings in our offices located in Kyiv or Lviv.Core Responsibilities:● Develop and implement state-of-the-art supervised and reinforcement learning models to enhance ad targeting and boost campaign outcomes.● Collaborate with interdisciplinary teams to pinpoint opportunities for applying machine learning and optimization strategies to address business challenges.● Engage in comprehensive data analysis and feature engineering to prepare datasets for machine learning endeavors.● Utilize optimization algorithms to maximize the impact and efficiency of advertising campaigns.● Assess and enhance existing models to improve their accuracy, efficiency, and scalability.● Leverage statistical methods and machine learning techniques to analyze large, complex datasets.● Effectively communicate findings and recommendations to both technical and non-technical audiences.● Stay abreast of the latest developments in machine learning, reinforcement learning, and optimization practices.● Collaborate with engineering teams to integrate models into production systems.

Join SKELAR, a pioneering Ukrainian venture builder committed to crafting international tech businesses. Working alongside our co-founders, we assemble talented teams aimed at achieving victory in global markets.Currently, SKELAR boasts a diverse portfolio of businesses across various sectors such as EdTech and marketplaces. Our startups are consistently recognized among Ukraine's top startups and product companies, achieving high rankings in the PlayStore and developing platforms utilized by millions. Our businesses have been featured in renowned media outlets like TechCrunch and Wired.We take pride in a robust team of over 1,000 experts with exceptional expertise and ambitious goals. Our people are our most valuable asset, and we strive to build businesses with the finest talents available in the market.We are currently seeking a Strong Middle/Senior Android Developer.PawChamp is a mobile application and online platform designed for pet parents—dog owners—providing them with resources to train their pets and learn more about dog care through 24/7 expert chats, our AI companion Pawchie, and educational materials developed with canine professionals. We deliver personalized daily lessons covering all aspects of dog training from basic commands to behavioral problem-solving. Our strategic goal is to become a leader in the global online dog training market, catering to all needs of pet parents and their dogs beyond just training.Recognized as Product of the Day on Product Hunt in October 2025.PlayStore rating: 4.2Intro video about the product: Watch hereChallenges awaiting you:- Support and enhance existing functionality; - Implement new features while adhering to agreed architectural approaches; - Ensure product stability and high quality through Unit and Integration testing; - Collaborate closely with a cross-functional team: from discussing logic with the Product Owner to aligning contracts with Backend and refining UI/UX with designers; - Involve in task decomposition, estimation, and collaborative sprint planning; - Actively influence improvements in workflows, technology stack selection, and development approaches within the team;What we value:Must have:4+ years of experience in Android development...

Join Ajax Systems, a leading international technology company and the largest manufacturer of security systems in Europe. With over 4.5 million end-users and 330,000 PRO users across more than 180 countries, Ajax is trusted for comprehensive security solutions for residential and commercial properties of all sizes. Our portfolio includes 280 devices designed for intrusion protection, video surveillance, fire safety, comfort, and automation. We experience exponential growth each year, both in team size and user base globally.The R&D department at Ajax encompasses four divisions: System, Device, Automation, and QA.The Device Department is focused on developing devices for security and automation, tackling significant challenges such as:- Low-Power: Ensuring devices operate efficiently for extended periods on standard batteries;- Cost-Effectiveness: Maintaining products within an affordable price range;- Design for Manufacturing (DFM) and Design for Human (DFH): Ensuring that schematics, casings, and elements can be easily replicated in mass production without compromising quality.Our development primarily utilizes STM32 (alongside other MCUs and SoCs) with Embedded C, and we have built a strong team of talented individuals, including Hardware and Embedded C engineers, industrial designers, and mechanical engineers.

Quantum Systems GmbH develops unmanned solutions for air, land, and sea operations, combining advanced hardware with AI-driven software. The company delivers real-time data and precise control to defense, security, and public sector clients worldwide. Since establishing the Kyiv office in 2022, Quantum Systems has remained committed to supporting Ukraine. Role overview The Service Team Lead manages the Kyiv-based service team, focusing on high-quality repairs, process improvements, and the professional growth of engineers. This is a full-time, on-site position based in Kyiv. Main responsibilities Team leadership Direct and coordinate a team of service engineers and testers. Plan workloads, assign tasks, and set priorities to improve productivity. Mentor, onboard, and guide engineers in their development. Lead technical discussions and review complex cases to find solutions. Quality assurance Ensure all repairs and testing meet company standards. Monitor deadlines, SLAs, and overall service quality. Analyze recurring technical issues and drive improvements to reduce defects. Review and validate complex repairs involving electronics, UAVs, and modules. Process improvement Streamline workflows and introduce industry best practices. Maintain and update checklists, procedures, and technical documentation. Collaborate with Testing, Logistics, Procurement, and R&D teams. Track performance metrics and prepare reports on key KPIs. Technical involvement Help resolve complex engineering challenges as they arise. Make technical decisions in non-routine situations. Oversee repairs of UAVs, electronic modules, and power systems. Location: This position requires full-time, on-site presence at the Kyiv office.

Welcome to Leaply, a dynamic and rapidly expanding ecosystem of digital and physical products aimed at empowering individuals to cultivate healthier habits and enhance their lives. Since our launch in 2024, we have experienced remarkable growth, achieving a 10x revenue increase in just six months, with significant traction across the US, Europe, and beyond.At Leaply, we redefine conventional career trajectories — prioritizing ownership over titles and impact over bureaucratic processes. Our team is fast-paced, ambitious, and we encourage every member to contribute beyond their defined roles.We are in search of a strategic and analytical User Acquisition Manager to elevate our growth initiatives. In this pivotal role, you will take charge of our acquisition strategy, explore new funnels, and collaborate with product and creative teams to translate insights into tangible business outcomes. This position offers a substantial opportunity for rapid advancement into a leadership role.Key Responsibilities:— Initiate, oversee, and scale Meta (Facebook & Instagram) campaigns in Tier 1 markets— Monitor and optimize critical metrics — CAC, LTV, ROI — to directly impact revenue growth— Develop and refine automated workflows for campaign management, creative testing, and reporting— Collaborate effectively with Creative, Growth, and Product teams— Proactively propose and test new hypotheses to drive performance improvementsYou’re a Strong Candidate If You:— Have 3+ years of experience in performance marketing with hands-on expertise in Meta Ads, Google Ads, TikTok Ads— Possess strong analytical and structured thinking abilities, with a knack for transforming data into actionable strategies— Exhibit a test-and-learn mentality, thrive in a fast-paced environment, and adapt quickly— Are proficient in B2+ English, comfortable engaging with English-speaking markets— Balance creativity and logic — adept at brainstorming bold ad concepts while calculating CAC seamlesslyBonus Qualifications:— Familiarity with tools such as Tableau, Airtable, Amplitude, AppsFlyer— Experience in Tier 1 markets including the US, UK, Canada, Australia— Comfort with AI tools like ChatGPT or NotebookLM— Background in fast-growing B2C startupsWhat We Offer:— Competitive salary— Opportunity to work from our offices in Warsaw or Kyiv, complete with perks (including lunches, gym access, and health insurance)— Full ownership of your performance area and input on growth strategy— Support from a seasoned team with a track record of multiple successful exits

SKELAR is a prominent Ukrainian venture builder focused on creating international tech businesses. Together with our co-founders, we assemble strong teams to excel in global markets.Currently, SKELAR has a diverse portfolio of businesses across various niches, from EdTech to marketplaces. Our companies consistently rank among the top startups and product companies in Ukraine, achieving high standings in the AppStore and developing platforms used by millions worldwide. Our ventures have been featured in leading media outlets such as TechCrunch and Wired.We are seeking a Senior Product Manager (Retention) for our partner business, TENTENS Tech. This role will focus on developing retention strategies and driving user return growth.TENTENS Tech is a Ukrainian IT company specializing in streaming and social discovery platforms. Our team has successfully launched numerous platforms that are utilized by millions around the globe (except Antarctica, for now).Our motto, “We don’t think limits,” reflects both our strategic vision and the motivation of our team to push beyond the horizon.Key Challenges:Developing and implementing a robust Retention Marketing strategy.Generating, prioritizing, validating, launching, and analyzing a multitude of hypotheses regarding retention channel logic.Systematically enhancing key product metrics linked to user activation, retention, and return.Advancing the recommendation system logic for sending emails, SMS, and web push notifications through our proprietary ESP system.Initiating and developing new user retention channels.Conducting regular user and market research to discover new growth opportunities for the product.Taking responsibility for strategic development and actively participating in setting departmental goals.What We Value:Must-haves:At least 2 years of experience in product management, user growth, or retention/CRM initiatives.Analytical mindset and ability to make data-driven decisions (collecting, analyzing, and interpreting data to enhance product and strategic planning).Proficiency in creating technical specifications for development.Proven track record of achieving business objectives through the validation of product hypotheses.

Join our dynamic team at Sigma Software Group as a Senior TypeScript/Node.js Developer, where you'll play a pivotal role in the development of an innovative advertising platform tailored for the Swedish market. You'll work with cutting-edge technologies to build scalable, high-performance applications while collaborating with a talented team of professionals. Your expertise will help shape the future of digital advertising.

Ajax is a trusted name for over 4.5 million end-users and 330,000 PRO users across more than 180 countries. We provide comprehensive security solutions for residential and commercial properties of various scales. Currently, Ajax's portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, and comfort automation. Each year, we showcase significant growth in both our team size and global user base. The R&D department at Ajax, which includes the System, Device, Automation, and QA departments, is responsible for device development. Automation Department focuses on developing hardware and software complexes for testing each device during production, creating robotic lines for assembly and packaging automation, and developing software for device firmware and production management. We aim to optimize sensor manufacturing time using Python 3 and Embedded C.

Sigma Software Group is looking for a Game Developer in Kyiv to help create new gaming experiences. This role blends creative thinking with technical expertise to design and build interactive gameplay. Role overview Work as part of a collaborative team, contributing to the design and implementation of gameplay features. This position involves close cooperation with artists, designers, and fellow developers to turn game ideas into reality. What you will do Design and implement gameplay mechanics Collaborate with team members from different disciplines Contribute to the development of new game concepts Requirements Creativity and technical skills in game development Ability to work effectively within a team