Node Js Developer jobs in Kyiv – Page 6 | RoboApply Jobs

Node Js Developer jobs in Kyiv· Page 6

Results 101–120 of 122 for “Node Js Developer” in Kyiv.

122 jobs found

101 - 120 of 122 Jobs
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SKELAR logo
Full-time|On-site|Kyiv, Lviv, Warsaw

TENTENS Tech is a partner IT company of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We develop social discovery platforms for over 20 million users worldwide. Our pace and scale are sustained by deep expertise in analytics, high-load systems, and performance marketing.The TENTENS Tech team currently consists of over …

Mar 9, 2026
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Ubisoft Entertainment S.A. logo
Full-time|On-site|Kyiv

Join Ubisoft as a 3D Graphics Engineer, where you will play a pivotal role in developing the rendering technology that powers our cutting-edge graphics engines. Your expertise will contribute directly to creating immersive gaming experiences that captivate players worldwide.

Mar 10, 2026
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Sigma Software Group logo
Full-time|On-site|Kyiv

Join our innovative team at Sigma Software Group as a Data Engineer! In this dynamic role, you will leverage your expertise in data architecture and engineering to design and implement robust data solutions that drive informed decision-making across various projects.As a Data Engineer, you will collaborate with cross-functional teams to understand data requirements, develop data pipelines, and ensure data integrity and accessibility. Your work will empower stakeholders to derive valuable insights and contribute to the overall success of our projects.

Mar 13, 2026
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auto1 logo
Full-time|Remote|Kyiv

Design, develop, deploy, and manage over 130 modules and multiple applications daily.Enhance your skills by taking a hands-on approach to tackle complex challenges.Elevate standards and spearhead technological advancements to ensure AUTO1 remains at the forefront of innovation.Collaborate closely with diverse product and development teams to bring new, cutting-edge features to fruition. You will have opportunities to explore various technologies and areas of software development.

Mar 17, 2026
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Universe Group logo
Full-time|On-site|Kyiv, Kyiv, Ukraine

We are looking to strengthen our team at Guru Apps with a talented Junior iOS Engineer who will actively participate in product experiments alongside our dedicated team.Guru Apps is a multi-product company within the Universe Group, focused on developing global iOS applications in the utility and AI niches.Our products optimize the digital routines of millions of users worldwide daily — from memory cleaning, document management on your phone, to AI tools for photo editing and content creation.Over the years, we have achieved remarkable milestones:— Surpassed 100 million downloads— Expanded into 185 countries— Consistently ranked #1 in the App Store, surpassing giants like Google, Netflix, and Instagram— Established leadership in our niches, setting quality standards in the utility and AI categories— Launched our own R&D laboratory, where we create at least 2 new products each year and develop proprietary AI technologies— ⭐ Maintained an average rating of over 4.6 in the App StoreAt Guru Apps, we embrace speed, experimentation, and ambition to build global products with a distinctly Ukrainian DNA. If you want to experience what it’s like to work within a community united by the ambition to create a unicorn from Ukraine, check out this video about Guru Apps.You are the perfect fit if you:Want to impact the product. Our developers influence both technical and product decisions. We discuss these as a team, where everyone can voice their opinion and propose ideas.Aspire for growth — we have an experienced team eager to share knowledge. Interested in vertical growth? Here, it all depends on your desire and work results.Are ready to develop category-leading products — we have already achieved impressive results, and there’s much more to come!

Mar 11, 2026
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Satispay logo
Full-time|On-site|Ukraine, Kyiv

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.

Mar 18, 2026
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Universe Group logo
Full-time|On-site|Kyiv or Warsaw

Join Universe Group, the innovators behind an ambitious AI-first web product in the visual content generation and editing space. As we transition into a phase of rapid scaling, we are on the lookout for a talented Full-Stack Developer to tackle architectural challenges and implement cutting-edge technologies into our product.Your future team includes: CEO, Full Stack Developer, Product Designer, PPC Specialist, Growth Product Manager, Product Manager, Data Analyst.Technology stack you will work with: React.js, Node.js, Nest.js, TypeScript, Redux, PostgreSQL, MongoDB, Redis, AWS, Kubernetes.Why you should join us:Collaborate closely with Ruslan — an experienced CEO with a proven track record. His previous startup, Eventmate, quadrupled its revenue within a year, secured $150K in investments (including from Google), and expanded into international markets including Europe and Brazil.Impact on business development — As a core team member, you will play an essential role in shaping the product while delving into architectural solutions and integrating the latest technologies into a product built from the ground up.A team of like-minded professionals — You will work alongside motivated individuals who support one another. We closely collaborate with technical teams across other businesses within the Universe Group, sharing insights and expertise.Opportunities for professional and career growth. We believe that the success of our business depends on the motivation and potential of each team member, so we continually invest in learning and development. You will also have the chance to advance to the Tech Lead position and contribute to team expansion and mentorship of junior specialists.Your future tasks will include:Defining and developing the product architecture, including technology selection, project structuring, and building scalable infrastructure to support a large number of users.Developing and maintaining...

Apr 7, 2026
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ruby-labs logo
Full-time|Remote|Ukraine

Role overview ruby-labs is hiring an Integration Engineer specializing in JavaScript SDK and APIs. The main focus is on enhancing and maintaining integration solutions that connect our products with client systems. This position involves regular collaboration with teams throughout the company. The Integration Engineer will help design, build, and refine features that address client needs and contribute to a stronger user experience. Key responsibilities Improve and maintain integration solutions using JavaScript SDK and APIs Work closely with internal teams to support client requirements Contribute to the design and development of features that enhance the user experience Location This role is based in Ukraine.

Apr 28, 2026
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Ajax Systems logo
Full-time|On-site|Kyiv, Kyiv City

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 server infrastructure. With over 4,100 employees globally and security solutions protecting 3.5 million users across more than 187 countries, we are experiencing exponential growth and are looking for passionate professionals to contribute to our mission.

Jun 23, 2023
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skelar logo
Full-time|On-site|Kyiv

Welcome to Liven! We are pioneering a global ecosystem of innovative products designed to empower individuals in their journey of self-discovery, helping them overcome negative thoughts and behaviors.Our Ecosystem Includes:Self-Discovery Companion — an app that has already impacted 2.5 million users, fostering deeper self-relationships through AI coaching, mood tracking, sound practices, and engaging bite-sized learning.Online Coaching — expert-led sessions to assist in navigating life's complexities.Supplements — products aimed at physical recovery and overall wellness.Liven thrives on curiosity. Our team is passionate about innovation and committed to creating impactful solutions that guide individuals on their self-discovery path. We foster a culture of experimentation to continuously improve how we support our users.We are searching for a Lead Front-End Engineer to spearhead the development of our builder solutions and complex automation systems. This role is ideal for those who relish the challenge of constructing tools that facilitate internal processes, requiring a keen focus on architectural flexibility, performance, and high-load visual editors.

Feb 17, 2026
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TENTENS Tech logo
Full-time|On-site|Kyiv

TENTENS Tech is a partner IT company of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We develop social discovery platforms for over 20 million users worldwide, driven by deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech consists of over 250 professionals, each acting as a CEO in their role and contributing to collective success. We adhere to the 10/10ths philosophy: we stay focused on our goals, ask the right questions along the way, and never settle for "good"—we strive for excellence and beyond. If you resonate with this description and are ready to accelerate with us, let's connect!We are currently seeking a Backend Engineer (PHP/Go) to help elevate our performance standards.

Nov 26, 2025
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Universe Group logo
Full-time|On-site|Kyiv or Warsaw

Join Universe Group as a Senior Product Manager to lead the development and optimization of our innovative Guru Apps. In this pivotal role, you will collaborate with cross-functional teams to define product vision and strategy, ensuring alignment with customer needs and market trends. Your expertise will help shape the future of our applications, driving user engagement and satisfaction.

Mar 28, 2026
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Sigma Software Group logo
Full-time|On-site|Kyiv

Join our dynamic team as a Senior Full Stack Engineer where you will engage in exciting projects that enhance the digital landscape. Your expertise in both front-end and back-end development will play a critical role in delivering high-quality software solutions. Collaborate with a team of talented professionals, leveraging the latest technologies to drive innovation and efficiency.

Apr 6, 2026
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Speechify logo
Full-time|Remote|Kyiv, Ukraine

Speechify’s mission is to remove barriers to reading and learning. With a user base of over 50 million, Speechify converts documents, books, Google Docs, articles, and websites into audio, helping people read faster and understand more. Our products span iOS, Android, Mac, a web app, and a Chrome extension. Recent recognition includes Chrome Extension of the Year from Google and Apple’s App of the Day. About the Team Speechify’s nearly 200 team members work fully remotely around the world. The group includes frontend and backend engineers, AI research scientists, and professionals with experience at Amazon, Microsoft, Google, and graduates from universities such as Stanford. Role Overview This Tech Lead position focuses on Web Core Products and the Chrome Extension. The role suits someone who approaches product decisions strategically, enjoys shaping user experiences, and thrives in a setting where priorities shift and impact is visible. Technical leadership and hands-on delivery are both important here. What Matters Here Consistent delivery of high-quality technical solutions Clear, effective communication with teammates and stakeholders Strong work ethic and personal drive Ability to lead through technical expertise rather than hierarchy Interview Process The process includes several technical assessments. The aim is to complete all steps within one week. Location This role is based in Kyiv, Ukraine. The team operates remotely.

Apr 20, 2026
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Ajax Systems logo
On-site|On-site|Kyiv, Kyiv City

Join Ajax Systems, a leading international technology company, as a Team Lead C++ Developer in Kyiv. We are the largest developer and manufacturer of security systems in Europe, creating a comprehensive ecosystem with over 180 devices, mobile and desktop applications, and a robust server infrastructure. Our System Department is transforming devices into fully-fledged IoT solutions, developing the innovative OS Malevich (a modular RTOS) and the Ajax Cloud service (Java 20/Kotlin, AWS). As a pivotal part of our team, you will lead the development of cutting-edge security solutions that protect millions of users across 187 countries, collaborating with a talented group of engineers and developers.

Aug 27, 2025
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SKELAR logo
Full-time|On-site|Kyiv

Join SKELAR, a pioneering Ukrainian venture builder focused on creating international tech businesses. Together with our co-founders, we assemble talented teams to succeed in global markets.At SKELAR, we have multiple businesses operating in diverse niches — from EdTech to marketplaces. Our companies are featured among the top startups and product firms in Ukraine, consistently ranking high in the App Store and developing platforms that millions of people use. Our innovations have been covered by major media outlets such as TechCrunch and Wired.We take pride in our strong team of over 1000 professionals, each bringing exceptional expertise and ambitious goals. Our people are our most valuable asset, which is why we strive to build businesses with the best talents available.Every successful venture starts with a single line of code. Are you ready to write the next chapter with us?We are launching a new business.With over 1.8 billion people learning foreign languages, less than 10% can speak them fluently. We are developing an interactive communication environment — the AI Language Tutor — allowing users to speak and learn without the fear of judgment.Our goal is to create a product that learns alongside the user — gathering data to personalize the approach and motivate further learning. We believe in tailored learning experiences rather than one-size-fits-all solutions, leveraging algorithms to help users learn in their own ways and achieve effective results.This product is yet to be built. If you thrive on creating something from the ground up, let’s embark on this journey together!Being among the first five team members means you will play a crucial role in defining the direction of this business. We invite you to join us on this exciting adventure.You will lead the development of our key asset — the AI tutor mobile application. From inception to execution, you will lay the groundwork for the mobile architecture, write the initial lines of the MVP code, and establish release processes. Given that real-time voice interaction with AI is central to our product, your primary technical challenge will be to ensure a seamless, fast, and stable user experience.

Apr 10, 2026
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hirehangar logo
Contract|Remote|Ukraine - Kyiv

Join Hire Hangar and collaborate with rapidly expanding global companies while cultivating a sustainable, remote career.Job Title: Senior Full Stack Engineer – AutomationLocation: RemoteTime Zone: Flexible / Aligned to HQ Time ZoneRole Overview: We are in search of a Senior Full Stack Engineer who has a strong enthusiasm for intelligent automation to join our expanding SaaS platform team. Your role will involve designing and developing comprehensive solutions that integrate RPA agents, AI-driven workflows, and cutting-edge frontend experiences, enabling our clients to automate intricate tasks while focusing on their core business needs.This position is ideal for an engineer who takes pride in ownership and is proficient in architecting backend automation pipelines as well as creating user-friendly, data-rich interfaces. You will engage with the entire technology stack and work closely with AI/ML engineers, product managers, and UX designers to deliver automation features that are robust, dependable, and user-friendly.

Mar 19, 2026
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Liven logo
Full-time|On-site|Kyiv, Lviv, Warsaw

Join Liven as the Head of Growth!Liven is a pioneering company dedicated to creating a global ecosystem of products aimed at empowering individuals on their self-discovery journeys. Our mission is to foster self-observability, helping users break free from negative thoughts and behaviors.Our Ecosystem Includes:Self-Discovery Companion: A mobile application that has already transformed the lives of 2.5 million users, fostering deeper self-relationships through AI coaching, mood tracking, sound practices, and bite-sized learning.Online Coaching: Expert-led sessions to guide individuals through life's complexities.Supplements: Products designed to aid physical recovery and support overall wellness.At Liven, curiosity drives us. We are committed to creating meaningful solutions through a culture of experimentation, consistently seeking better ways to support individuals on their paths of self-discovery.As the Head of Growth, you will play a crucial role in bridging our creative engine with our core product. Your primary responsibility will be to design the user journey from initial curiosity to committed subscription. This involves crafting compelling narratives, optimizing monetization strategies, and ensuring a seamless transition into the product experience. Your Impact:Ownership of the Funnel: Manage all aspects of landing pages, quizzes, and checkout flows from the first click to the first payment.Monetization Strategies: Develop pricing strategies and offer logic while focusing on optimizing lifetime value for customers.Effective Storytelling: Communicate complex self-regulation concepts in relatable, high-converting narratives.Marketing Automation: Execute rapid testing of hypotheses to create personalized user experiences.Systems Development: Build infrastructure for high-speed experimentation and localization, emphasizing fast testing over lengthy debates.

May 4, 2026
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Ajax Systems logo
On-site|On-site|Kyiv, Kyiv City

Join Ajax Systems, a leading international technology company and Europe’s largest developer and manufacturer of advanced security systems. We are on the lookout for a talented and experienced Embedded Linux C++ Developer to enhance our Video Management System. You will contribute to our innovative ecosystem of over 180 devices and applications, leveraging your expertise to transform security solutions for millions of users globally. Collaborate within our System Department to develop cutting-edge technology, including our modular RTOS, OS Malevich, and cloud services powered by Java, Kotlin, and AWS. Play a key role in our mission to provide reliable security solutions that protect homes and businesses around the world.

Oct 15, 2024
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Atto Trading logo
Full-time|Remote|Kyiv, Kyiv city, Ukraine

Atto Trading is an innovative quantitative trading firm leading the charge in global high-frequency trading strategies. We are on the lookout for a skilled C++ Software Engineer to become a vital part of our expanding team.This role offers the flexibility of remote work from Ukraine, with occasional in-office attendance in Kyiv as circumstances permit.Our international team is diverse, comprising experts in trading, statistics, engineering, and technology. Our structured approach, combined with rapid feedback from the market, enables us to swiftly transform concepts into profitable solutions. Working in our collaborative environment allows us to tackle some of the most challenging issues in the industry together. As a small firm, we maintain agility and uphold the highest standards of integrity, creativity, and dedication.Your Responsibilities:Architect and implement performance-critical components for our large-scale trading infrastructure.Develop high-frequency trading (HFT) systems in C++ focusing on low latency and unwavering reliability.Produce modern, efficient code based on the latest C++ standards.Engage directly with cutting-edge networking hardware using kernel-bypassing drivers.Conduct performance research aimed at enhancing the speed and scalability of our platform.Qualifications:Minimum of 3 years of direct experience in C++ development.In-depth understanding of C++ standards (C++14, C++17; C++20 knowledge is highly desirable).Practical experience with Python and/or Bash scripting.Familiarity with Linux operating systems and system-level programming.Strong understanding of multithreading, IPC, and concurrent systems.Proven ability to optimize latency and throughput, including experience with profiling and PGO.Knowledge of object-oriented programming and software design patterns.Bachelor’s degree in Computer Science, Computer Engineering, or a related technical discipline.Meticulous attention to detail, coupled with a critical and quality-oriented mindset.Able to work independently or within small teams in a fast-paced environment.Excellent communication skills and upper-intermediate (or higher) proficiency in English.A genuine curiosity and passion for financial markets and trading.Preferred Qualifications:Experience in developing high-performance, low-latency systems on Linux.Familiarity with operating system internals and kernel-level networking.Understanding of financial instruments such as stocks, ETFs, futures, or options.Knowledge of protocol-level networking (TCP/UDP/IP stack insights are a plus).Benefits:Competitive compensation package.Performance-based bonus opportunities.Healthcare and sports/gym budget.Mental health support, including access to therapy.Paid time off (25 days).Relocation support (where applicable).

May 24, 2024

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