Senior Java Developer

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 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 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 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.

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

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.

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 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.

Ajax Systems is a leading international technology firm recognized as the largest developer and manufacturer of Ajax security systems equipped with smart home functionalities in Europe. Our innovative ecosystem comprises over 280 devices, mobile and desktop applications, and robust server infrastructure. With a dynamic growth trajectory year after year, we proudly employ over 5,100 talented individuals dedicated to enhancing security for 4.5 million users across 187 countries.Our System Department is at the forefront of making devices smarter by transforming them into fully-fledged IoT solutions. The team is responsible for the development of OS Malevich, a modular RTOS tailored for various hardware platforms, and the Ajax Cloud, utilizing technologies such as Java 20 / Kotlin, AWS, Akka, NATS, Kafka, MongoDB, and MySQL. We develop applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML) to empower users, installers, and engineers to effectively manage, maintain, and monitor our systems.

nix collaborates with a global leader in corporate brand protection and domain management. The client supports Fortune 500 companies and large enterprises by providing domain registration, online brand monitoring, and anti-counterfeiting services. Their work centers on securing digital assets at scale. A new project is underway to combine two legacy client portals into a single platform. The team aims to preserve all current features during the transition. The technology stack includes PHP (Laravel), RabbitMQ, MySQL, and Nuxt.js (Vue.js), all deployed on AWS. Role overview The Senior Automation QA Engineer (Java) will architect and build a comprehensive test automation framework from scratch. This framework will support regression, API, and end-to-end testing for the unified platform. What you will do Design and implement a test automation framework using Java Develop tests for regression, API, and end-to-end scenarios Ensure coverage across the new unified platform Project stack PHP (Laravel) RabbitMQ MySQL Nuxt.js (Vue.js) AWS

We are seeking a highly skilled Senior TypeScript/Vue.js Developer to join our dynamic team at Sigma Software Group. As part of our innovative Swedish advertising platform, you will play a crucial role in developing and enhancing our front-end applications using cutting-edge technologies. This is an excellent opportunity for professionals looking to make an impact in the world of digital advertising.

Join our innovative Game Development studio as a Senior Backend Developer specializing in .NET. We are seeking a seasoned professional who possesses a profound understanding of server architectures, real-time load handling, and cloud infrastructures. This position is ideal for an individual eager to build the backend for a new mobile game targeting Android and iOS platforms from the ground up, shaping the technological foundation of the product and making pivotal technical decisions.

About the Role Playtech is hiring a Senior Full Stack Developer for its Kyiv office. This position sits within the software development team and focuses on building and improving applications for the gaming industry. The work involves both front-end and back-end development, with a strong emphasis on delivering reliable and user-friendly products. What You Will Do Design and implement software solutions that meet business and technical requirements Enhance and maintain existing applications to improve performance and user experience Ensure smooth integration of applications across various platforms Collaborate closely with team members to deliver high-quality releases Who We’re Looking For Experience developing both front-end and back-end systems Strong attention to detail and a proactive approach to problem-solving Comfort working on complex projects in a collaborative team setting Ability to adapt and contribute in a busy development environment Location This role is based in Kyiv.

We are seeking a Senior/Lead Full-Stack Developer to enhance the technical team at Universe Group— FORMA. You will work on our web product dedicated to document processing and conversion. Your primary responsibilities will include:Designing and implementing new functional modules and integrations to enhance product capabilities.Ensuring high code quality and standardizing development approaches.Accelerating development processes and the release of new product versions.Defining and developing the product architecture, including technology selection, project structuring, and building scalable infrastructure to support a large user base.FORMA is a business of Universe Group that creates SaaS solutions for document management. Our flagship web product is PDFGuru. The team has achieved remarkable results, including:Over 4 million users monthly interact with our products.Our products offer more than 50 tools for efficient document handling.Users from over 30 countries trust our tools for their needs.Want to experience the FORMA atmosphere? Check out our video about our team—how we work, grow, and build a billion-dollar company from Ukraine.

Ajax Systems is 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, our products are trusted worldwide. Ajax provides comprehensive solutions for safeguarding residential and commercial properties of all sizes. Our product portfolio features 280 devices designed for intrusion detection, video surveillance, fire safety, and automation solutions. Each year, we experience exponential growth in both our team size and our global user base.Our System Department is dedicated to enhancing device intelligence, transforming them into fully-fledged IoT solutions. We have developed and continue to enhance the Malevich OS (a modular RTOS for various hardware platforms) and the Ajax Cloud service (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). To facilitate system management, maintenance, and monitoring, we have created applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML).We are on the lookout for a Senior C++ Developer to join our AI team. In this pivotal role, you will empower our entire range of video devices to not only capture images but also to discern specific objects within the frame, track their movement and behavior, and recognize events and individuals.Your mission will involve integrating various types of computer vision analytics into our cameras, doorbells, and NVRs, taking into account the unique resource constraints of each device. You will also ensure seamless device integration with each other and with the cloud. Beyond implementing new functionalities, there will always be opportunities to enhance existing features by bringing your innovative ideas to pre- and post-processing stages.This role requires close collaboration with ML engineers, business analysts, cloud developers, and application developers, providing you with a fantastic opportunity to advance both your communication skills and technical expertise.