Senior Software Engineer React Ucp Team jobs in Vilnius – Browse 404 openings on RoboApply Jobs

Senior Software Engineer React Ucp Team jobs in Vilnius

Open roles matching “Senior Software Engineer React Ucp Team” with location signals for Vilnius. 404 active listings on RoboApply Jobs.

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Full-time|On-site|Vilnius

Join Nord Security in our mission to create a safer cyber future.We empower individuals and businesses to reclaim their online security, privacy, and data. Our innovative solutions, ranging from VPNs and password managers to threat intelligence and travel eSIMs, are trusted by millions around the globe.In this pivotal role, you will play a crucial part in helping users take control of their digital lives.Main Responsibilities:Design and enhance a robust User Control Panel that fosters user trust, engagement, and sustainable growth.Integrate new features and user flows within the account management portal (subscriptions, billing, security).Develop and uphold a high-quality, scalable front-end codebase.Continuously refine code quality, performance, and user experience.Create and manage unit and integration tests in tandem with feature development.Adhere to and contribute to component library and design system standards.Engage in code reviews to maintain high engineering standards.Collaborate with backend engineers on API contracts and error handling.Work alongside QA engineers to ensure consistent feature behavior, including edge cases.Debug issues across the frontend stack, from UI rendering to state management.Advocate for improvements in engineering standards, tooling, and development processes.Conduct research and development to support new initiatives or technical decisions.Provide technical mentorship to team members regarding best practices.Contribute to shaping the team's technical vision and long-term objectives.

Apr 12, 2026
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companyNord Security logo
Full-time|On-site|Vilnius

Join Nord Security as a Senior Software Engineer, where we are dedicated to building a secure cyber future.At Nord Security, we empower individuals and organizations to reclaim their online security, privacy, and data. Our innovative solutions, ranging from VPNs to password managers, threat intelligence, and eSIMs for seamless travel, are trusted by millions around the globe. In this key role, you will contribute to our mission of making the online experience safer for everyone.Life is increasingly online. In this position, you’ll be at the forefront of helping users take ownership of their digital lives.

Apr 10, 2026
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companyNFQ Technologies logo
Full-time|On-site|Vilnius/Kaunas

Join NFQ, a key technology partner for HomeToGo, where a talented team of software engineers and data science experts is dedicated to innovating the world's largest vacation rental marketplace. As we expand our technology team in Lithuania, we are eager to find exceptional individuals to become part of our dynamic organization.HomeToGo is renowned for offering the largest selection of vacation rentals globally, featuring millions of listings from thousands of trusted partners, such as Booking.com, Vrbo, and TripAdvisor. Our platform showcases a diverse range of accommodations, from vacation homes and cabins to apartments and unique properties like castles and houseboats. We streamline the search process by combining price, destination, dates, and amenities to help travelers find their ideal lodging anywhere in the world.Since our establishment in 2014, HomeToGo has successfully operated localized apps and websites in 25 countries across Europe, North America, South America, Australia, and Asia-Pacific. We also manage various brands, including Agriturismo.it, AMIVAC, Casamundo, and more.As a Senior Software Engineer & Team Lead, you will play a crucial role in the success of HomeToGo, overseeing one of our Consumer Product teams. Our innovative tech stack includes Symfony, MariaDB, ElasticSearch, Snowflake, Redis, Aerospike, Apache Kafka, RabbitMQ, Docker, Kubernetes, and more. With millions of properties listed on our platform, this role presents an exciting opportunity to make a significant impact. Apply now and lead our team to new heights!

Mar 27, 2026
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companynordsec logo
Full-time|On-site|Vilnius

Join our dynamic team at nordsec as a Senior Frontend Engineer! We are looking for a talented individual with a passion for building exceptional user interfaces using React. In this role, you will collaborate with cross-functional teams to deliver innovative solutions, enhance user experiences, and contribute to the overall success of our projects.

Mar 24, 2026
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company
Full-time|On-site|Vilnius

Join Saily, where we revolutionize mobile connectivity while traveling — no more roaming fees or plastic SIM cards. Experience lightning-fast, secure mobile data in over 200 destinations. With millions of paying customers and countless travelers engaging with Saily at any moment, we are dedicated to building the optimal product for our users.At Saily, we cultivate an AI-native Product Engineering culture, where:The Engineer is a builder, responsible for solving customer problems from ideation to production.AI Agents assist by automating repetitive tasks, empowering Engineers to maximize their impact.Every team member is encouraged to propose improvements and implement changes collaboratively.Curiosity, learning, and sharing knowledge are fundamental to our ethos.Customer satisfaction and a seamless travel experience are always our top priorities.We prioritize growth over comfort, contribution over hierarchy, and impact over processes. At Saily, we offer talented individuals the context, autonomy, and AI tools they need to excel in their work.

Apr 12, 2026
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companyWix.com Ltd. logo
Full-time|On-site|Vilnius

About the Senior Backend Engineer Role The CTO Team at Wix in Vilnius is looking for a Senior Backend Engineer. This position focuses on designing and building scalable backend systems that support a wide range of web development tools. What You Will Do Develop and implement backend solutions to support Wix’s platform Work with cross-functional teams to improve and expand existing services Investigate and experiment with new technologies to advance the platform Contribute to backend architecture decisions Help shape product direction and technical strategy Location This role is based in Vilnius.

Apr 14, 2026
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companyNordsec logo
Full-time|On-site|Vilnius

Join our dynamic team at Nordsec as a Senior Frontend Engineer focusing on React technologies within our Network Department. In this pivotal role, you will be responsible for developing innovative user interfaces and enhancing the performance and scalability of our applications. You will collaborate closely with UX/UI designers and backend engineers to deliver top-tier web solutions.If you are passionate about creating seamless user experiences and thrive in a fast-paced environment, we would love to hear from you!

Mar 23, 2026
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companySurfshark logo
Full-time|On-site|Vilnius

Join our newly formed team dedicated to crafting the Incogni mobile application utilizing React Native. We are in search of a talented mobile engineer who is eager to embrace significant ownership of their work.At Incogni, we are pioneers in the consumer privacy technology space, empowering individuals to seamlessly eliminate their personal data from data brokers.In this role, you will play a pivotal part in shaping our product, guiding architectural choices, and integrating AI-assisted engineering into our daily development processes.As one of the initial engineers on the team, you will have a rare chance to influence both our product and the technical culture from its inception.

Dec 5, 2025
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company
Full-time|On-site|Vilnius

Join NordLayer, where we are revolutionizing cybersecurity for businesses of all sizes.We offer a flexible, toggle-ready platform that empowers modern teams to operate securely and efficiently, free from cybersecurity concerns. With over 11,000 satisfied clients worldwide, NordLayer seamlessly integrates into any tech stack, providing robust protection for users across various borders.Your contribution? Enable businesses to maintain their momentum while ensuring their network security is future-proof.Key ResponsibilitiesEnhance and extend our codebase by crafting clean, high-quality TypeScript code backed by comprehensive tests.Lead and mentor frontend developers through insightful code reviews and guidance on implementation strategies.Collaborate intimately with backend engineers to define clear API contracts and guarantee reliable integration of frontend and backend services.Partner with product managers and designers to transform product requirements and UX designs into actionable technical solutions.Uphold high engineering standards by advocating best practices in code quality, testing, and maintainability.Assist the team in delivering features within a Scrum framework by breaking down tasks, identifying risks, and aiding in estimations.

Apr 12, 2026
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companyUnity logo
Full-time|On-site|Vilnius, Lithuania

Join Our Innovative TeamAt Unity, we provide a platform that abstracts specific implementations to help creators bring interactive visual content to life across various devices. Our mission is to simplify the development process, enabling users to focus on their creativity without grappling with the complexities of different platforms. We are committed to enhancing our offerings by addressing the technical needs of our diverse user base. We invite you to become a part of our dynamic Apple Platform Systems Team as a Senior Software Engineer. In this pivotal role, you will collaborate with a talented group of engineers to design, develop, and own a comprehensive dependency resolution solution tailored for both Android and Apple platforms. Your expertise will contribute to the seamless integration and scalability of our mobile platform support at Unity.

Feb 9, 2026
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companynfq logo
Full-time|On-site|Vilnius/Kaunas

nfq is seeking a Senior PHP Software Engineer to help build web applications for clients. This role is based in Vilnius or Kaunas and centers on delivering digital solutions as part of a collaborative team. Role overview This position focuses on PHP development for web projects. The Senior Software Engineer will contribute technical expertise to help shape client-facing applications and support the team in achieving project goals. What you will do Develop and maintain web applications using PHP Work closely with other engineers and team members to deliver solutions Apply problem-solving skills to support client needs Requirements Strong experience with PHP Ability to work effectively in a team setting Interest in building quality digital products

Apr 29, 2026
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companyBazaarvoice, Inc. logo
Full-time|On-site|Vilnius

Bazaarvoice is looking for a Senior Software Engineer to join the Partnerships team in Vilnius. This position centers on building software that supports partners and contributes to business growth. Role overview As part of the Partnerships group, this engineer will work closely with colleagues from different disciplines. The focus is on developing new solutions and improving existing systems to support a wide range of clients. Collaboration Expect regular collaboration with cross-functional teams. The role calls for strong technical skills and the ability to translate business needs into effective software. Impact Work produced in this role directly supports Bazaarvoice partners and helps drive company objectives forward.

Apr 29, 2026
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companyNFQ Technologies logo
Full-time|On-site|Vilnius/Kaunas

NFQ Technologies is a pivotal technology partner for HomeToGo, comprising a dedicated team of skilled software engineers and data science experts committed to driving innovation in the vacation rental marketplace. As we expand HomeToGo’s technology team in Lithuania, we invite talented professionals to become part of our dynamic and growing company.HomeToGo stands as the leading marketplace for vacation rentals, featuring millions of listings from thousands of reputable partners such as Booking.com, Vrbo, and TripAdvisor. Our platform offers a diverse range of accommodations, including vacation homes, cabins, beach houses, apartments, condos, houseboats, castles, farm stays, and more. By integrating price, destination, dates, and amenities, HomeToGo helps users find their ideal lodging for any global adventure.Founded in 2014, HomeToGo operates localized applications and websites across 25 countries in Europe, North America, South America, Australia, and the Asia-Pacific region. The company also oversees brands like Agriturismo.it, AMIVAC, Casamundo, CaseVacanza.it, e-domizil, EscapadaRural, Tripping.com, and Wimdu.We are seeking an experienced Senior Software Engineer to join our Consumer Product teams in Vilnius or Kaunas. In this role, you will be instrumental in shaping the future of HomeToGo. Our tech stack is modern and varied, including Symfony, MariaDB, ElasticSearch, Snowflake, Redis, Aerospike, RabbitMQ, Docker, Kubernetes, and more. With millions of properties listed on our platform, this position presents a thrilling opportunity to make a significant difference. Join us and help elevate our team to new heights!

Apr 9, 2026
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companyWix.com Ltd. logo
Full-time|On-site|Vilnius

Collaborate closely with UX designers, software developers, and product managers to define, create, and deliver exceptional products that enhance user experience.Play a vital role in the development and upkeep of Wix’s design system library, ensuring it meets the evolving needs of our products.Contribute to the growth and improvement of a library utilized by core Wix products, enabling over 800 consumer projects across our organization.Design and improve advanced design system features such as multi-theme support, themable icons, animations, dark mode, and integration with AI tools used within Wix.Address scalability challenges within a library of over 150 components, focusing on creating clean and robust React component APIs.

Nov 21, 2025
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companynfq logo
Full-time|On-site|Vilnius

Join our innovative team at nfq, where we are dedicated to building cutting-edge technology that propels industries into the future. Our focus spans AI, energy, logistics, sports, and a variety of other complex, exciting sectors.We champion an inventive approach to addressing intricate challenges and empower our employees to devise their own solutions. Continuously reimagining processes, business models, architecture, and tech stacks is part of our ethos.We cultivate a culture of curiosity, experimentation, and passion that extends beyond coding. Here, you can easily enhance your expertise in any area that piques your interest. Working across diverse industries means gaining invaluable experience that few can match.Our team develops pioneering GovTech and R&D solutions aimed at enhancing the efficiency, transparency, and intelligence of public sector systems. Our mission is to create secure and scalable software that enables governments to provide superior digital services.Our teams blend profound technical skills with a collaborative and fast-learning environment. Utilizing technologies such as Java, Spring Boot, Oracle Database, and Docker, along with methodologies like Domain-Driven Design, we craft reliable and maintainable solutions.

Mar 10, 2026
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companyNordsec logo
Full-time|On-site|Vilnius

Join Nordsec as a Senior iOS Engineer where you will lead a dynamic team in crafting innovative mobile applications. Your expertise will guide the development process, ensuring high-quality deliverables while fostering collaboration and creativity within the team.

Mar 25, 2026
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companyOmnisend logo
Full-time|On-site|Vilnius, Lithuania

Join Omnisend and experience a refreshing work environment.At Omnisend, we pride ourselves on a culture that embraces calmness and clarity over chaos. Here, you can focus on impactful work without the burden of unnecessary meetings or micromanagement. Our decisions are driven by data and insights, fostering a culture of trust, transparency, and constructive feedback. With no egos in the room, our team of skilled professionals works efficiently, adapts swiftly, and achieves tangible results. We are committed to helping e-commerce brands thrive, ensuring that our solutions address real challenges. While we take our work seriously, we also believe in enjoying ourselves through genuine team-building activities and celebrations.As part of our Message Delivery team, you will play a crucial role in Omnisend's multichannel communication strategy, ensuring that millions of marketing messages reach their destinations effectively and reliably every day.Your responsibilities will include:- Managing our message delivery infrastructure.- Facilitating message rendering and personalization across various channels.- Providing message tracking, analytics, and logs to enhance customer service.- Collaborating with Product, Support, and Customer Success teams to ensure a high-quality customer experience.We are on the lookout for a Senior Full-stack Engineer who is particularly skilled in backend development. Ideal candidates are proactive, product-focused, and passionate about creating software that makes a real impact for our customers.

Jan 14, 2026
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companySpeechify logo
Full-time|Remote|Vilnius, Lithuania

About Speechify Speechify builds tools that turn written content into audio, helping people read and learn without barriers. More than 50 million people worldwide use Speechify’s text-to-speech products to convert PDFs, books, Google Docs, news articles, and websites into spoken word. The product suite covers iOS, Android, Mac, a Chrome Extension, and a Web App. Recognition includes Google’s Chrome Extension of the Year and Apple’s 2025 Design Award for Inclusivity. Our Team Nearly 200 people work at Speechify, all remotely. The team includes frontend and backend engineers, AI research scientists, and professionals from companies like Amazon, Microsoft, and Google. Others have joined from top PhD programs (including Stanford) and high-growth startups such as Stripe, Vercel, and Bolt.

Apr 20, 2026
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companyNord Security logo
Full-time|On-site|Vilnius

Join the forefront of digital security with the world's leading VPN provider. Are you a passionate problem-solver eager to make a difference? Become a member of our innovative team responsible for developing Threat Protection Pro, the NordLynx protocol, and the most efficient VPN available. Our mission is to empower users with unparalleled privacy, security, and control over their online experiences.Your Contribution: Play a vital role in helping millions reclaim their online security, privacy, and data integrity.

Apr 7, 2026
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companyOmnisend logo
Full-time|On-site|Vilnius, Lithuania

Join the Omnisend Team!If you're looking for a workplace that values intelligence and collaboration over chaos and drama, Omnisend is the perfect fit for you. We pride ourselves on a culture where data drives our decisions, allowing us to focus on delivering impactful results without the distractions of micromanagement or excessive meetings. We believe in transparency, trust, and the power of feedback, fostering a professional environment where everyone contributes to our collective success. Our mission is customer-centric, and we are dedicated to solving real-world problems that help eCommerce brands flourish.The Expansion Product Team at Omnisend is pivotal in maintaining and enhancing the core systems that facilitate our business growth. This includes managing billing, pricing/monetization, and access scopes, ensuring our merchants have a seamless experience as they log in, upgrade plans, manage subscriptions, and obtain accurate invoices. In our Growth Value Stream, we focus on experimentation and efficiency, always looking for innovative ways to influence user behavior while maintaining a robust and scalable platform.We seek a Senior Full Stack Engineer with a strong preference for backend development, who is eager to take an active role in shaping and owning engineering solutions. The ideal candidate is self-motivated, brings thoughtful insights to discussions, challenges assumptions, and actively contributes to both technical and product decisions. You will work closely with product and engineering teams to build resilient systems and deliver impactful product changes in a timely manner.

Mar 13, 2026

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