Senior Frontend Software Engineer - Innovative Product Development

At Restream, we are searching for a skilled Senior Frontend Engineer to join our dynamic team in tackling complex challenges and creating top-tier products. In this pivotal role, you will be instrumental in developing new features, enhancing the user interface of our platform, and ensuring the reliability of our systems as we expand. You will work closely with a talented group of Engineers, driving processes and improving user-facing features. Your understanding of simplicity and reliability will guide your decisions, as each choice you make carries significant impact. We value small teams where every member plays a crucial role.Your ResponsibilitiesCreate visually appealing interfaces and interactions within Restream’s web services.Design and implement the UI and business logic required to support both new and existing features.Collaborate with product designers to develop exceptional and user-friendly UI/UX.Engage in code reviews, providing and receiving constructive feedback with the team.Stay abreast of emerging technologies and uncover potential opportunities within our environment.Desired QualificationsA proactive, entrepreneurial mindset that drives high-quality project delivery.Solid design sensibility, meticulous attention to detail, and a commitment to delivering an outstanding user experience.Proficient in JavaScript, TypeScript, and the latest ECMAScript specifications (experience with additional programming languages is advantageous).Deep expertise in React and its primary state management systems.Experience with CSS preprocessors such as LESS or SASS.Basic backend competencies: Node.JS, REST API development, and familiarity with relational or NoSQL databases.Comfortable with TypeScript, MobX, AWS, Linux, Docker, Kubernetes, and continuous deployment workflows.Strong verbal and written communication skills.Self-motivated, analytical, and effective within a team setting.Founded in 2015, Restream emerged from Ukraine with a passion for empowering creators to be seen and heard. As the leading multistreaming solution, we inspire over 10 million creators worldwide.

Join Restream as a Senior Frontend Software Engineer and take the lead in overcoming intricate challenges while crafting outstanding products. In this role, you will develop new functionalities, enhance the user interface of our platform, and boost the reliability of our systems as we expand. Collaboration is key; you will work alongside a team of dedicated engineers to refine processes and elevate user-facing features. You appreciate the significance of simplicity and dependability, evaluating the impact of every decision you make. We value small teams where each individual plays a pivotal role.Your ResponsibilitiesCreate visually appealing interfaces and interactions within Restream web services.Design and implement the UI and business logic necessary to support both new and existing features.Collaborate with a product designer to develop an exceptional and user-friendly UI/UX.Participate in code reviews, providing and receiving constructive feedback with team members.Stay updated on emerging technologies and uncover hidden opportunities within our ecosystem.What We SeekA dynamic, entrepreneurial spirit that drives high-quality projects to completion swiftly.A strong design sensibility, meticulous attention to detail, and a commitment to delivering an excellent user experience.Proficiency in JavaScript, TypeScript, and the latest ECMAScript specifications (experience with additional programming languages is advantageous).Expertise in React and its primary state management frameworks.Experience with CSS preprocessors such as LESS or SASS.Basic backend skills: Node.JS, building REST APIs, and working with relational or NoSQL databases.Familiarity with TypeScript, MobX, AWS, Linux, Docker, Kubernetes, and continuous deployment workflows.Excellent written and verbal communication capabilities.Self-motivated, analytical, and adept at thriving in a collaborative environment.Founded in 2015, Restream emerged from Ukraine with a passionate mission to empower creators to amplify their voices. As the leading multistreaming solution, Restream inspires over 10 million content creators globally, enabling them to reach wider audiences and enhance their online presence.

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.

Our Mission and VisionAt Solidgate, we are dedicated to empowering visionary entrepreneurs in building exceptional internet companies. Our goal is to provide the financial infrastructure necessary for these innovators to thrive in the digital economy. We aim to establish ourselves as the leading payments orchestration platform globally.About the Team and RoleWe are seeking a talented Frontend Engineer to join our dynamic Finance Engineering team. This team is responsible for developing a robust finance system, essentially a powerful calculator that ensures the accurate and timely processing of payments for our merchants. With over 18 million payments processed monthly, your work will directly influence automated payouts and financial reporting.Why This Could Be Your Next Big MoveMeaningful Impact: Contribute to a mission-critical platform that shapes the financial landscape of our services.Collaboration with Industry Experts: Work alongside engineers with experience from Amazon, Revolut, Wix, and other leading companies.Autonomy and Ownership: Take full ownership of your projects from inception to deployment, allowing you to witness the direct impact of your contributions.AI-Enhanced Development: We prioritize developer productivity by providing tools like GitHub Copilot, Windsurf/Cursor, and Coderabbit to streamline your coding process and reduce repetitive tasks.Why Now is the Ideal Time to Join UsWe are building a next-generation financial system from the ground up, focusing on modular and transparent fee calculations while laying the groundwork for future financial modules.Explore our technology stack here.Your ResponsibilitiesEnhance the platform: Develop frontend solutions for new financial configurations, supporting various contract types and commission models.

Join our dynamic team at wix2 as a Frontend Engineer. In this pivotal role, you will leverage your skills in modern web technologies to create visually appealing and highly functional user interfaces. You will collaborate closely with designers and backend engineers to deliver seamless web experiences that delight our users.

Join Wix as a Frontend Engineer for our dynamic Editor platform, where you'll play a vital role in enhancing our business solutions. You'll be responsible for designing and developing scalable APIs and improving the runtime and user experience infrastructure that serves millions of users globally. Your daily responsibilities will include:Creating robust infrastructure to extend existing Wix business solutionsDesigning and implementing APIs tailored for internal and external stakeholdersOptimizing application runtime and UX infrastructure utilized by millionsCollaborating with diverse teams including R&D, developers, UX designers, and business analysts to align requirements and drive progress

Hello! We are Brainstack, a dynamic multi-product IT company based in Ukraine.If you are looking for a space where you can continuously scale your skills and enjoy tackling challenging tasks, then you’ve come to the right place. Here, you will find opportunities that will help you realize your ambitions, create profitable businesses without illusions, and transform ideas into successful IT products. Our team will always support you and never leave you alone with challenges.Our portfolio includes mobile and web applications and services with a million-strong audience, covering various niches: Health & Wellness, Mental Health, Astrology, AI, Utilities, Parental Control. We are also developing our own R&D center.We are seeking a Frontend Developer to join our experienced Mobile Studio team.About the Role:You will be responsible for creating fast, stable, and scalable web and mobile interfaces that implement the product's business logic and enhance user experience. Your work will help us quickly test and launch new solutions, including integrations with AI and analytical systems.What the Team Does:We maintain existing products and regularly create new applications from scratch, many of which are in the AI sector. Therefore, you will be involved in building architectures, interfaces, and overall user experiences for new products.Why You Might Be Interested:Work at the intersection of web, mobile, and AI technologiesOpportunity to expand your tech stack and work with new technologiesInfluence in creating new products, not just maintenanceStrong cross-functional collaborationAbout You:You have at least 2 years of commercial experience in frontend development.You are proficient in React, TypeScript, and SCSS, and have the ability to create fast, adaptive web interfaces, with experience in layout design and tools like Figma, Webflow.Code quality: You are familiar with testing tools (e.g., Jest), Git processes, and writing clean, maintainable code.You have experience working with REST API and WebSockets.Tools: You have experience with CI/CD, bug tracking systems (e.g., Sentry), and basic security practices.Your Responsibilities:Develop and maintain web and mobile applications using React.Create and integrate functionality and business logic into web applications: data visualization from the backend, working with analytics integrations and events.Collaborate with designers and product managers to ensure a smooth and user-friendly UX across all platforms.

nix seeks a Senior Frontend Engineer to help build web applications that use AI and machine learning. The team develops platforms that streamline workflows such as content generation, validation, analysis, and transformation. Role overview This role centers on designing and maintaining frontend features for AI-powered platforms. The work involves creating interfaces that make it easier for users to interact with advanced AI tools. What you will do Develop and maintain frontend features for platforms that use AI and machine learning Design user interfaces that simplify interaction with complex AI tools Collaborate with engineers and product teams to deliver scalable, intuitive, and user-friendly web experiences Location This position is based in Ukraine.

Join our dynamic team as a Frontend Engineer at Wix Editor, where you will collaborate with over 1,000 skilled developers in our frontend community. You will play a vital role in managing the technical aspects of various projects, ensuring they are feasible during the discovery phase, and delivering features efficiently to production. Your contributions will help enhance our solutions throughout the development process. By partnering with product managers, designers, fellow developers, and QA specialists, you will help design innovative and scalable solutions that elevate the user experience.In your daily tasks, you will:Oversee the technical execution of projectsEngage in code reviews and pair programming to enhance code qualityBring features to life through implementation and developmentCollaborate and share knowledge across different teamsIdentify and address technical debt related to featuresParticipate in the technical design, rollout, and support of features post-production

Speechify is looking for a Senior Software Engineer to join the Core Experiences team in Odesa, Ukraine. This group is responsible for building and refining features that influence how users interact with the Speechify platform. Role overview The Senior Software Engineer will take on projects that shape the core of Speechify's user experience. The work centers on creating scalable and efficient features that directly impact user engagement and satisfaction. What you will do Design and develop core features for the Speechify platform with a focus on scalability and efficiency Collaborate with teams across the company to deliver improvements that increase user engagement Tackle complex technical challenges using deep software development experience Location This role is based on-site in Odesa, Ukraine.

Join our innovative technology team at Kyivstar as a Frontend Developer specializing in React! We are seeking a creative and enthusiastic developer to help design and build user-friendly applications that enhance the experience of our customers. This is a unique opportunity to work with a talented team in a dynamic environment where your ideas and contributions will directly impact our projects.

Embark on a thrilling journey with Innovecs Play as we explore the dynamic landscape of the Game Development industry! We are on the lookout for a talented Frontend Engineer who possesses the enthusiasm and expertise to transform innovative game concepts into robust and high-quality code. At Innovecs Play, we cultivate our skills through collaborative quests, working closely with industry leaders. We cherish teamwork, knowledge sharing, and an inquisitive spirit, all of which inspire us to excel and develop. As a member of our team, you will engage in multifaceted aspects of game development, from ideation to launch and beyond. You will skillfully navigate both 2D and 3D environments, enhancing user experiences while experimenting with diverse solutions to bring imaginative game designs to life. We provide a platform for you to break new ground, gain fresh insights, and bolster your existing skill set!

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

Join our dynamic team as a Senior Software Engineer specializing in Java!At Innovecs, we pride ourselves on being a leading global digital services provider, with operations across the US, UK, EU, Israel, Australia, and Ukraine. Our expertise spans various sectors, including Supply Chain, Healthtech, Collaboration Tech, and Gaming, delivering innovative software solutions.For five consecutive years, Innovecs has been recognized in the Inc. 5000 list as one of the fastest-growing private companies in the US and has been ranked among the top global outsourcing service providers by IAOP. Our commitment to excellence was recently honored with the Global Good Awards for Employee Engagement & Wellbeing, alongside winning gold at the Employer Brand Management Awards and securing a spot in the Global Top 100 Inspiring Workplaces Ranking.What We Offer You:Flexible working hours and a remote-first approachAttractive compensation packageComprehensive hardware/software setup tailored to your needsAn open-door culture promoting transparent communication and accessibility to top managementHealth insurance, vacation, sick leaves, holidays, and paid maternity/paternity leaveOpportunities for continuous learning through workshops, webinars, training platforms, and engaging eventsVirtual team-building activities and social events that embody the Innovecs lifestyleAre you ready to contribute to our growth? We need YOU!

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 the AI Creation Team, an integral component of Wix Harmony—Wix’s innovative AI-powered website builder. Our team is dedicated to developing the core functionalities that empower AI to craft real websites.Your Day-to-Day Responsibilities:Develop high-quality, scalable applications using React and TypeScript.Design and implement new features through the entire lifecycle, from concept to deployment.Review code contributions and uphold high engineering standards.Collaborate closely with product managers, designers, and engineers to launch AI-driven products.Tackle challenging tasks spanning both frontend and backend (Node.js).Engage in technical discussions, architectural decisions, and continuous improvements.

Join our dynamic team as a Senior Software Engineer at everai, where you will have the opportunity to work remotely from anywhere in Ukraine. We are seeking a highly skilled and motivated engineer who is passionate about developing innovative software solutions and driving technology forward.In this role, you will collaborate with cross-functional teams to design, build, and maintain scalable applications. You will be instrumental in ensuring the quality and performance of our software, while also mentoring junior engineers and contributing to the overall success of our projects.

Important: This position requires relocation to our Milan office.About SatispaySatispay is on a mission to transform everyday payments, making them simple, equitable, and accessible for everyone. Our vision extends beyond the present as we strive to shape the future of financial transactions.We are a movement that empowers millions, united by a common goal to confront significant challenges. Our agile approach allows us to innovate rapidly, think creatively, and learn collaboratively as we push boundaries.If you seek to make a meaningful impact alongside a talented team, you have come to the right place.Key ResponsibilitiesAs a Senior Backend Software Engineer within the Business Team, you will significantly influence the future of digital welfare payments. Your responsibilities will encompass everything from employer benefits to sophisticated products, supporting the entire journey for both employers and employees to ensure lasting satisfaction. You will guide the technical direction, maintain quality, and ensure the timely delivery of complex systems that enable numerous employers to manage their corporate welfare efficiently. Here’s what you can expect in your daily tasks:Develop Multi-Service Solutions: Conduct thorough technical analyses for medium-to-large projects affecting various services in the Employer domain. Design comprehensive, highly available solutions, emphasizing scalability, security, and maintainability for products central to welfare.Guarantee Technical Quality: Implement strong testing strategies, balancing both automated and manual coverage while managing gradual rollouts with vigilant monitoring to ensure precise welfare distributions.Identify and Resolve Blockers: Proactively foresee and address technical obstacles, promoting knowledge sharing throughout the organization. Tackle the unique challenges posed by B2B registration workflows and high-volume benefit allocations while ensuring code quality through active reviews.Take Ownership: Own your projects from inception to completion, delivering features that genuinely address user needs—from the moment an employer signs up to when an employee utilizes their welfare benefits—through seamless and efficient back-end integration.

We are expanding our team and seeking a Product Manager who will spearhead the development of impactful features and facilitate the introduction of new products.About the Product: Our company focuses on developing and scaling a diverse range of social networking applications that connect individuals globally. Our suite of products includes mobile applications for both iOS and Android, all aimed at enhancing user engagement, improving the overall experience, and investigating new business opportunities. As a Product Manager, you'll collaborate with a talented product team across various projects, sharing insights and driving significant initiatives. This role presents an exciting chance to innovate, fuel product growth, and play a vital role in launching new solutions in a dynamic environment.

Join our innovative AI Creation Team at Wix Harmony, the forefront of Wix's AI-driven website development. We are dedicated to crafting the essential elements that empower AI to construct real, functional websites.Your Role:Develop high-quality and scalable code using React and TypeScript.Design and implement new features from conceptualization to production.Review code changes and uphold rigorous engineering standards.Collaborate effectively with product managers, designers, and other engineers to deliver AI-enhanced products.Tackle complex challenges in both frontend and backend (Node.js) development.Engage in technical discussions, make architectural decisions, and contribute to continuous improvement initiatives.