Node.js Developer

We are seeking a talented and motivated Middle Java/Kotlin Developer to join our innovative Cloud Development Department at ajax. In this role, you will work on exciting projects that leverage cloud technologies and have a real impact on our products and services.As a Middle Developer, you will be responsible for designing, developing, and maintaining high-quality software solutions. You will collaborate with cross-functional teams to ensure the successful implementation of our cloud strategies.

Join Ajax Systems, the premier international technology firm and Europe's leading manufacturer of security systems, as a Senior Java Developer. We specialize in cutting-edge solutions for video surveillance, smart home technology, fire detection, and flood prevention. Our extensive product portfolio includes 180 advanced wireless and wired devices designed for security and automation, proudly protecting over 3.5 million users across 187 countries. With a skilled workforce of 4,100 professionals, we are committed to innovation and excellence in the security industry. We are seeking a talented, experienced, and technically adept Senior Java Developer to contribute to our dynamic team.

Miratech is looking for a Mid-Level Java Developer to join the team in Kyiv. This position involves working closely with colleagues from different departments to build and support software applications. Role overview This role centers on designing, developing, and maintaining software using Java. The focus is on producing reliable, high-quality code that meets project requirements. Collaboration Expect regular interaction with cross-functional teams. Sharing ideas and problem-solving together are key parts of the workday. What you will do Design and implement Java-based applications Work with others to deliver software solutions Maintain and improve existing codebases

Join autodoc3 as an Engineering Lead, where you will spearhead innovative projects leveraging Java and Kotlin, alongside PHP technologies. In this pivotal role, you will collaborate with cross-functional teams, mentor junior engineers, and drive the technical vision of our projects. Your expertise will guide our engineering practices, ensuring high-quality software delivery while fostering a culture of continuous improvement.

Ajax Systems is a pioneering international technology firm and the largest manufacturer of security systems in Europe. The company specializes in cutting-edge solutions for video surveillance, smart homes, fire detection, and flood prevention. Our extensive product portfolio features 280 innovative wireless and wired devices designed for security and automation. Currently, Ajax safeguards over 4.5 million users across 187 countries.We are seeking a highly skilled and experienced Senior Java Developer to join our dynamic accounting team at our Kyiv office. This role is perfect for a technically adept individual ready to contribute to impactful projects.

Join our dynamic team at Miratech as a Senior Full Stack Developer, where you will play a vital role in driving innovative projects utilizing both Java and Angular technologies. Your expertise will contribute to creating robust and scalable applications that enhance user experience and operational efficiency.We seek a passionate individual who is ready to take ownership of their work and excel in a collaborative environment. This is an exciting opportunity to be part of a growing company known for its commitment to professional development and technical excellence.

Join our dynamic team as a Senior Java Developer at Miratech in Kyiv. In this pivotal role, you will leverage your expertise in Java to design, develop, and optimize high-quality software solutions that drive our technology forward. Collaborate with cross-functional teams to create innovative applications and contribute to all phases of the development lifecycle.We are looking for passionate individuals who thrive in a collaborative environment and are eager to tackle complex challenges.

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...

We are on the lookout for a skilled developer with extensive experience in Oracle SQL and PL/SQL, particularly with Exadata, as well as a strong background in report building.The BI Reporting Department is one of the key units within the Kyivstar.Tech IT department. We empower businesses to accurately assess their growth dynamics and monitor key performance indicators and plans in a timely manner. Our team collaborates closely with internal business clients, fostering a friendly atmosphere and a robust team spirit.If you are passionate about working with large datasets, eager to enhance your reporting development skills, including data visualization, and are keen to assist businesses with daily analytics, we would love to meet you!About Us Kyivstar.Tech is a Ukrainian hybrid IT company and a resident of Diia.City. We are a subsidiary of Kyivstar, one of the largest telecommunications operators in Ukraine. Our mission is to transform lives in Ukraine and around the world by creating technological solutions and products that fulfill the potential of companies and the needs of users. With over 600 specialists, KS.Tech works daily across various domains: mobile and web solutions, as well as the design, development, support, and maintenance of high-performance systems and services. We believe in innovations that truly bring about quality changes, constantly challenging traditional approaches and solutions. Each of us is an advocate of an entrepreneurial culture that encourages continuous development and creativity.

Join dev2 as a Senior Principal Java Engineer and become a key player in our innovative development team. In this fully remote role, you will leverage your extensive experience in Java programming to design, develop, and implement high-quality software solutions. Your expertise will drive our projects forward, ensuring best practices in software development and architecture.As a Senior Principal Engineer, you will also mentor junior developers, contribute to technical discussions, and influence our technology stack decisions. If you are passionate about Java and looking for a challenging opportunity to make a significant impact, we want to hear from you!

Design, develop, test, deploy, monitor, and maintain our comprehensive service-oriented platform, which comprises over 50 RESTful microservices.Leverage your hands-on experience and proactive problem-solving attitude to tackle intricate challenges.Elevate our technological capabilities and drive innovations to keep AUTO1 at the forefront of the automotive industry.Set a strong example for your team, pushing boundaries and striving for excellence.Engage with diverse engineering and product teams to uphold high business standards while exploring other technologies and software development domains.

Role Overview auto1 is hiring a Senior Java Engineer in Kyiv. This role focuses on building and improving Java applications that support our clients' needs. The team values collaboration and technical skill, and works together to deliver reliable software. What You Will Do Develop and maintain Java-based applications as part of a skilled engineering team Mentor junior developers and support their technical growth Contribute to architectural discussions and technical decisions Help ensure software products meet quality standards before release What We Look For Strong experience with Java development Ability to work well in a team and share knowledge with others Interest in shaping technical solutions and making architectural choices Experience mentoring or guiding less experienced engineers is a plus Location This position is based in Kyiv.

SKELAR is a Ukrainian venture builder dedicated to creating international tech businesses. Together with our co-founders, we assemble strong teams aimed at succeeding in global markets.Currently, SKELAR manages a variety of businesses across different niches, from EdTech to marketplaces. Our companies frequently appear in the rankings of the top startups and product companies in Ukraine, achieving the highest positions in the App Store and developing platforms used by millions of people. Our ventures have also been featured in global media outlets like TechCrunch and Wired.We take pride in our robust team of over 1,000 professionals who possess exceptional expertise and ambitious goals. Our people are our most valuable asset, and we strive to build businesses alongside the best talents in the market.We are currently seeking a Middle/Senior Lawyer who is ready to immerse themselves in business processes, work with contracts, and develop the legal function alongside our team.Key Responsibilities:Providing legal support for the operational activities of companies (Ukrainian jurisdiction).Preparing, analyzing, and negotiating contracts (primarily in foreign jurisdictions).Conducting KYC of counterparties.Participating in the enhancement/optimization of related processes in the area of contracts and KYC.Collaborating with internal teams to support business processes and ensure legal compliance (including conducting training).Providing legal support to the charity fund.Consulting on legal risks, regulatory changes, and current issues.Participating in the development of internal procedures for contract management and document flow.

Your impactful role: As an iOS Developer, you will...Design, develop, and maintain innovative applications for the iOS platform, collaborating with a talented team.Engage with cross-functional teams to define, design, and implement new features that enhance user experience.Conduct unit tests to ensure code robustness, handling edge cases, usability, and overall application reliability.Identify and resolve bugs while continuously improving application performance.

Ajax Systems is an innovative full-cycle organization that transforms ideas into reality, encompassing everything from research and development to mass production and sales. Our expertise spans the manufacturing of advanced physical devices—integrating a variety of sensors and hubs—developing the associated firmware, creating robust server solutions, and releasing user-friendly mobile applications. Our dedicated team collaborates in our Kyiv office, enabling us to make all technical and product decisions locally, ensuring agility and cohesiveness.We are on the lookout for an experienced Android Developer to join our dynamic team and contribute to the evolution of products we are passionate about. We seek a candidate who takes pride in their work, ensuring exceptional user experiences and high-quality development standards. This is a unique opportunity to develop applications for one of Ukraine's leading hardware companies, impacting approximately 400 million active users worldwide. Soon, you will also have the chance to spearhead the development of several new products from the ground up.

Role overview Vacancies seeks a Senior Frontend Developer in Kyiv to help grow our product team. This position focuses on expanding development capacity and improving the quality and scalability of our frontend architecture. The team values developers who bring strong Vue experience, care about clean code, and approach design thoughtfully. What you will do Work closely with the team to deliver new product features Refactor and improve existing frontend codebases Boost product performance and scalability Share ideas to enhance both code and workflow Own tasks and ensure they are completed Who thrives here Developers with deep Vue expertise People who show initiative and ownership Those who care about clean, maintainable architecture Individuals able to work independently and move projects forward without sacrificing quality The product Since 2020, the team has built a global platform connecting people across backgrounds, religions, and cultures. Over 1 million visitors use the site each month, with users from the USA, Australia, and other countries. The platform ranks among the top 5 in its category, recognized for high-quality video and a seamless experience even during peak traffic, maintaining 99.99% uptime. The product is ad-free, focusing on genuine connections supported by advanced UX/UI. Features include AI-powered content moderation, strong data protection, and tools for building authentic global relationships. The next milestone: reaching the top 3 among international web-based social networking services.

Join us as a Senior Python Developer where you will play a pivotal role in enhancing our software solutions. You will collaborate with cross-functional teams to design, develop, and maintain high-quality applications. Your expertise in Python and deep understanding of software development principles will be essential in driving innovation within our projects.

nix provides corporate brand protection and domain management services to large enterprises, including Fortune 500 companies. The company specializes in domain registration, online brand monitoring, and anti-counterfeiting solutions. Role overview This Senior PHP Developer position centers on a major modernization project. The team is combining two legacy client portals into a single, unified platform. The goal is to deliver all current features in the new system before moving clients over. Technology stack PHP with Laravel RabbitMQ MySQL Nuxt.js (Vue.js) AWS Location This role is based in Ukraine.

Ajax Systems is a leading international technology company recognized as the largest manufacturer of security systems in Europe. Our innovative Ajax products are trusted by over 4.5 million users across more than 180 countries, featuring a portfolio of 280 devices designed for intrusion detection, video surveillance, fire safety, and automation.Join Our Automation Department, where we develop cutting-edge software and hardware solutions for testing each device during the manufacturing process. We design automated robotic lines for assembly and packaging, and we create software for device firmware and production management aimed at optimizing manufacturing time for sensors using Python 3 and Embedded C.Our Mission is to ensure the production of the highest quality devices in the shortest possible time. We develop proprietary software and hardware that are utilized at nearly every stage of production, from testing assembled boards and microcontroller firmware to verifying finished devices and packaging. Our primary challenge is achieving full automation of all production stages utilizing conveyors and robotics.Key Responsibilities:— Develop desktop applications (PC, single-board) to automate mass production processes, testing, and calibration of devices.— Integrate hardware with production software necessary for verifying/calibrating individual functions of security, video, and smart home devices.— Collaborate with CI/CD systems for automatic management of software versioning in production.— Create auxiliary programs, scripts, analysis algorithms, and APIs for interaction with databases, third-party software, and hardware from other teams.Required Skills and Qualifications:— Proficiency with PyQT/Pyside is essential.— Minimum of 2 years of commercial experience with Python 3.— Strong understanding of Multiprocessing, Threading, Sockets, and the Python Standard Libraries.— Knowledge of HTTP/TCP and OSI model.— Experience with Object-Oriented Programming (OOP).— Familiarity with embedded systems and automation technologies is a plus.