Middle Java/Kotlin Developer - Cloud Development

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...

SKELAR is a Ukrainian venture builder committed to creating international tech companies under the principles of venture investments. Together with co-founders, we assemble strong teams to launch product-oriented IT businesses and succeed in global markets. Our portfolio includes over 10 successful B2C businesses featured in outlets like TechCrunch and Wired.PawChamp is a global IT product that helps dog owners build harmonious relationships with their pets through training and expert support. In 2025, we were named “Product of the Day” on Product Hunt, achieved a 4.8 rating on the App Store, and expanded into 8+ global markets.PawChamp is developing its own A-class MarTech infrastructure and is searching for a Senior Golang Engineer to be its technical cornerstone. Your primary focus will be on designing and building an internal funnel builder: a platform that allows marketers to configure quiz funnels and launch A/B tests and new markets independently from developers. Additionally, you will work on integrations with advertising platforms, analytical pipelines, and marketing process automation.As the team is just being formed, you will have a significant influence on architecture, processes, and approaches from day one, with direct communication with stakeholders and no micromanagement.Technology Stack:Backend: GolangDatabases: PostgreSQLInfrastructure: GCP, Docker, Kubernetes, GitHub ActionsYour Responsibilities:Design and build the funnel builder tool enabling internal teams to manage funnels without developer involvement;Implement AI solutions for automating business and engineering processes;Ensure production system reliability: monitoring, alerts, CI/CD, and test coverage;Participate in architecture formation — your input will impact technical decisions from day one;Collaborate closely with stakeholders and marketing teams, understanding the business context to find optimal technical solutions for real tasks.

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.

Join SKELAR, a pioneering venture builder committed to establishing international tech businesses. We partner with co-founders to assemble strong teams that excel in global markets.Currently, SKELAR manages a diverse portfolio of businesses across various sectors, from EdTech to marketplaces. Our ventures have been recognized as top startups and product companies in Ukraine, featuring prominently in AppStore rankings and creating platforms used by millions. Notable media outlets like TechCrunch and Wired have covered our businesses.We take pride in our robust team of over 1,000 specialists, each possessing exceptional expertise and ambitious goals. Our people are our greatest asset, and we strive to build businesses alongside the best talent available.We are currently seeking a Golang Backend Team Lead for PawChamp, a mobile application and online platform designed for dog owners. PawChamp enables pet parents to train their dogs and learn more about care and training through 24/7 chats with experts, the AI companion Pawchie, and educational materials developed in collaboration with dog trainers. Our aim is to provide personalized daily lessons covering all aspects of dog training, from basic commands to addressing behavioral issues. Our strategic goal is to become the leading player in the global online dog training market, fulfilling all needs of pet parents and their dogs beyond training.In October 2025, we earned the title of Product of the Day on Product Hunt.App Store rating: 4.8Intro video about the product: https://www.youtube.com/watch?v=D3vURwhmufgKey Challenges:Enhancing the backend for our mobile products and the PawChamp web platform.Leading, coordinating, and developing the backend development team.Collaborating with stakeholders.Ensuring high code quality and adherence to best development practices within the team.Interacting with adjacent teams to improve system component interaction and optimize processes.Enhancing code, architecture, services, and development approaches.What We Value:

SKELAR is a venture builder committed to creating international product-driven IT companies by leveraging the principles of the venture investment world. Together with co-founders, we assemble strong teams to launch product-based IT businesses and thrive in global markets.We are currently on the lookout for our inaugural Operations Manager to lead the PawChamp initiative, focusing on the launch of a new product line dedicated to dog owners.PawChamp is a mobile application and online platform tailored for pet parents—dog owners—providing them with resources to train their beloved pets and learn about care and training through 24/7 chats with experts, the AI companion Pawchie, and training materials developed in collaboration with professional dog trainers. We deliver personalized daily lessons that cover all aspects of dog training, from basic commands to behavioral problem resolution. Our strategic objective is to become a leader in the global online dog training market and to be the go-to company for all pet parent and dog needs beyond training.- In October 2025, we earned the title of Product of the Day on Product Hunt.- App Store rating stands at 4.8.Introductory Video about the Product:https://www.youtube.com/watch?v=D3vURwhmufgWhat Challenges Await:In the role of Operations Manager, you will be an integral part of the product team, spearheading our e-commerce project aimed at launching sales of physical products for dog owners in international markets. Your responsibilities will include:Building the e-commerce division from the ground up: from strategy formulation to the launch of initial sales.Conducting market research, competitor analysis, and audience needs assessment to identify promising product categories and demand.Designing and executing tests to validate hypotheses about products, pricing, and target audiences, measuring and analyzing metrics in the product sales funnel.Developing and aligning the overall e-commerce strategy: business model, sales channels (Shopify, TikTok Shop, Amazon, etc.), unit economics, objectives, and performance indicators.Selecting the platform(s) for launch, creating a plan for implementing the MVP shop, and overseeing its technical development alongside the team.Identifying potential suppliers, procurement models, logistics, fulfillment, and order service processes.Launching MVP sales, testing traffic channels, obtaining initial orders, and analyzing results.

SKELAR is a Ukrainian venture builder focused on launching and growing international tech businesses. With a portfolio spanning EdTech, marketplaces, and more, SKELAR-backed companies reach millions of users and consistently earn recognition in the App Store and from media like TechCrunch and Wired. The team includes over 1,000 specialists, each bringing deep expertise and drive. The team is hiring a Content Specialist for Brand and Communications at PawChamp, a mobile app and online platform for dog owners. PawChamp offers personalized dog training, 24/7 expert chats, and educational materials developed with canine specialists. The platform aims to become a global leader in online dog training and to serve the broader needs of pet parents. PawChamp holds a 4.8 rating in the App Store. Recent milestones include Product of the Day on Product Hunt (October 2025), Best Pet Care Startup at the Purina Unleashed UK Business Awards (March 2026), and two Titan Innovation Awards for Technology (EdTech) and Services/Training. Watch an intro video about PawChamp: https://www.youtube.com/watch?v=D3vURwhmufg Role overview This Content Specialist role centers on supporting PawChamp’s brand and communications through content coordination and production. The position is based in Kyiv. What you will do Coordinate the blog’s expert writers: assign tasks, manage deadlines, review articles, provide edits and feedback, and oversee publication and payment processes Organize and maintain a steady content production workflow

SKELAR is a dynamic Ukrainian venture builder dedicated to establishing international tech companies that adhere to the principles of venture capital investment.Currently, SKELAR is home to multiple businesses across various sectors, ranging from EdTech to marketplaces. These companies consistently rank among the top startups and product companies in Ukraine, achieving high positions in the App Store and creating platforms enjoyed by millions. Our businesses have been featured in prestigious media outlets like TechCrunch and Wired.We are on the lookout for an enthusiastic HR People Partner to join our innovative venture, PawChamp.PawChamp is a mobile application and online platform designed for pet parents, specifically dog owners. It empowers them to train their beloved pets and learn more about care and training through 24/7 chat support with experts, our AI companion Pawchie, and educational resources created in collaboration with canine specialists. We offer personalized daily lessons covering all aspects of dog training, from basic commands to behavioral issue resolution. Our strategic goal is to become a global leader in online dog training and to meet all the needs of pet parents and their dogs beyond training.Awarded Product of the Day on Product Hunt in October 2025.App Store rating of 4.8.Your Key Responsibilities:— Implement and optimize HR processes: Onboarding, Performance Reviews, Offboarding, and Feedback mechanisms;— Conduct HR surveys and research, analyze data, and implement changes based on findings;— Provide consultation on HR policies and assist managers in developing leadership skills;— Engage with a team of 80+ members working from various locations across the country, fostering unity and a collaborative spirit.Required Qualifications:— 2+ years of experience as an HR People Partner or HR Generalist;— Understanding of how to effectively collaborate with remote teams, proficiency in conducting 1-to-1 meetings, and ability to select motivational tools;— Experience with HR analytics and proficiency in using modern tools for process development;— Proactivity and initiative: readiness to take full responsibility for your area and focus on results;— Excellent communication skills (both written and verbal), ability to explain complex concepts simply and inspiringly.Joining the PawChamp team means:— Minimal formalities and maximum autonomy — you influence decisions and see their outcomes;— Trust in your expertise and the opportunity to shape your role.

SKELAR is a venture builder dedicated to developing international product IT companies following the principles of the venture investment world. Together with co-founders, we assemble strong teams to launch product IT businesses and succeed in global markets.We are currently seeking our first E-Commerce Manager for PawChamp to initiate a new line of selling products for dogs.PawChamp is a mobile application and online platform for pet parents—dog owners—allowing them to train their beloved pets and learn more about care and training through 24/7 chats with experts, the AI companion Pawchie, and educational materials created in collaboration with dog trainers. We provide users with personalized daily lessons covering all aspects of dog training, from basic commands to addressing behavioral issues. Our strategic goal is to become a leader in the global online dog training market and to meet all the needs of pet parents and their dogs beyond training.- In October 2025, we earned the title of Product of the Day on Product Hunt.- App Store rating: 4.8.Intro video about the product:Watch hereWhat challenges await:As an E-Commerce Manager, you will be part of the product team and work on the e-commerce project for launching physical product sales for dog owners in foreign markets. Your responsibilities will include:Building the e-commerce direction of PawChamp from the ground up: from strategy development to the launch of initial sales.Conducting market research to understand competitors and target audience needs to identify promising product categories and demand.Creating and conducting tests to validate hypotheses regarding products, pricing, and audiences, measuring and analyzing metrics in the sales funnel.Developing and aligning the overall e-commerce strategy: business model, sales channels (Shopify, TikTok Shop, Amazon, etc.), unit economics, goals, and KPIs.Selecting the platform(s) for launch, formulating an MVP store implementation plan, and overseeing its technical creation with the team.Identifying potential suppliers, procurement models, logistics, fulfillment, and order service.Launching MVP sales, testing traffic channels, obtaining first orders, and analyzing results.

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.

Speechify’s mission is to make reading accessible for everyone. Over 50 million people use our text-to-speech technology to turn everything from PDFs to news articles into audio, helping them read faster and remember more. Our products span iOS, Android, Mac, Chrome Extension, and Web App. We’ve been recognized as Chrome Extension of the Year by Google and received a Design Award from Apple in 2025. Our fully distributed team of about 200 includes frontend and backend engineers, AI researchers, and veterans from companies like Amazon, Microsoft, and Google. We also work alongside alumni from Stanford and founders of startups such as Stripe and Vercel. Role overview Speechify’s Android app leads the Play Store in text-to-speech. We’re hiring a Tech Lead for Android Core Product to guide feature development and improve the app’s core experience. This role is ideal for someone who thinks strategically, enjoys quick-moving projects, and cares about delivering a polished user experience. What you will do Lead technical direction for Speechify’s Android app Drive new feature development and refine existing functionality Collaborate with a global team in a flat structure that values technical leadership and results Promote high standards for code quality, performance, and user experience What we look for Strong work ethic and a drive to achieve results Clear, effective communication skills Experience leading Android development projects Comfort working in a distributed, collaborative environment Competitive spirit and a focus on delivering for users Interview process The interview process includes several technical interviews, usually completed within one week. Location This role is based in Kyiv, Ukraine.

Location: Ukraine, Kyiv, hybrid/remoteType of work: Full-timeSmarter is a dynamic management company dedicated to strategizing investment activities and optimizing management and development strategies across various business units. Our key focus areas include the international fintech community SFORS (sfors.com), the brokerage firm Statok (statok.global), and the product company Pine Software (pinesoftware.com.cy).We are seeking a proactive and knowledgeable Middle Business Central Administrator to join our team. The ideal candidate will provide user support and enhance their expertise in Microsoft Dynamics 365 Business Central. This position is perfect for individuals eager to learn, tackle new challenges, and advance their skills in ERP administration.ResponsibilitiesProvide Business Central user support, including incident analysis, root cause identification, addressing non-standard requests, and training users on key system functionalities.Manage accounts and access by creating and optimizing permission sets, security groups, and configuring access policies based on business requirements.Administer environments (sandbox, test, production) by ensuring access compliance, coordinating environment updates, and creating new environments as needed for testing and demonstrations.Configure the system by maintaining and optimizing settings and parameters to align with business processes.

Join our dynamic team as we build one of the most innovative live-streaming platforms, connecting over 400,000 monthly active users through engaging live events, interactive video chats, and real-time community experiences. Our mission is clear: to spread joy, combat loneliness, and provide safe, ad-free entertainment that keeps users returning.In this fast-paced and complex industry, we thrive on challenges! As part of our passionate and skilled team, you will be involved in everything from scaling AI-powered recommendations to launching impactful, data-driven features that enhance monetization and user engagement. Every idea counts, and every release has the potential to reach a vast global audience.We're excited to announce our expansion into Arab countries and Europe, focusing on enhancing content quality and rolling out new features designed to keep our users engaged. Proudly ranking among the Top 5 streaming products in the United States and within the Top 10 globally, we are on a mission to break into the global Top 5. Are you ready to be part of this journey?About Your Role: As a Middle Partner Success Manager (Spanish), you’ll collaborate directly with international partners and creators to support their growth, success, and ability to unlock new opportunities on our platform. Your insights will be invaluable as you work alongside a committed team to address complex challenges, from enhancing creator ecosystems to utilizing data and AI-driven insights, all while playing a pivotal role in shaping the future of a platform used by millions around the world.

Kiss My Apps is a leading platform company uniting 7 product verticals and over 30 AI-first products, boasting more than 100 million users and a proprietary ecosystem of analytical, payment, and marketing solutions.Our products like AI Remodel, Printer, Botan, and Calorie Counter are global frontrunners in utilities, lifestyle, and health & fitness, consistently ranking at the top of the App Store and addressing the needs of a community of hundreds of millions.Our pace is our competitive advantage. Kiss My Apps grows a minimum of 3 times year on year, and we are on the lookout for a Middle Reporting Accountant (International/Estonia) who will ensure the quality and timeliness of financial reporting for our Estonian entities.In this role, you will facilitate an efficient monthly close process, oversee intercompany operations, and provide professional support during local audits as needed.Role Overview:We seek a specialist who will help maintain a high standard of financial reporting for international companies.You will work with financial data of Estonian legal entities, ensuring accuracy, consistency, and transparency of financial processes while also participating in their optimization and automation.Key Responsibilities:• Preparing a complete package of local financial reports (BS, P&L, CF, disclosures) for Estonian companies• Managing the full cycle of monthly closing• Ensuring the completeness and accuracy of data in the ERP system• Preparing and conducting monthly reconciliations of BS and P&L items• Performing intercompany reconciliations and preparing invoices• Ensuring compliance of reporting with local legislative requirements• Participating in local audits (if necessary)• Driving automation and optimization of financial processesWhat We Expect From You:• Experience in international company accounting according to IFRS or local GAAP• Full cycle reporting and monthly closing experience• Understanding of intercompany operations and reconciliations• Proficiency in Excel and experience working with large data sets• English proficiency at B1+

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.

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.

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.

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.