Senior Frontend Engineer | React | Network Security

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 u…

Join the Vanguard of Online Security with NordVPN.Are you a proactive problem-solver eager to forge your own path? Become a key player in the innovative team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN available. Our tools empower individuals to reclaim their privacy, security, and control in the digital landscape.Your Contribution: You will play an essential role in aiding millions in regaining their online security, privacy, and data autonomy.As part of the Android team, you will work on critical features such as Call and SMS protection, Meshnet, secure payments, and cohesive design systems that enhance the NordVPN experience for millions of daily users.Your mission involves tackling real-world challenges: protecting users from authentic threats and pushing the boundaries of what a modern security application can achieve. If you thrive on curiosity and significant challenges, we invite you to apply your skills here.Key ResponsibilitiesCollaborate as a vital team member in the development of NordVPN for Android.Engage with our existing backend REST APIs, providing feedback tailored to mobile requirements while working alongside web, backend, and low-level teams to innovate new features and improve existing ones.Coordinate with Product Owners and the QA/Support team to uphold high-quality standards for our Android applications.Identify and resolve issues reported by users and internal testing teams.Be part of a diverse development team comprising Kotlin engineers and QA specialists.Keep abreast of the latest tools, patterns, and methodologies to ensure superior code quality—it’s all about the code!Essential QualificationsMinimum of 1 year of experience in Android development.Proficient in Kotlin, MVVM Clean architecture, Room or SQLite databases, and reactive programming libraries like Coroutines and RxJava.Familiarity with the latest trends and libraries in the Android ecosystem, including Jetpack Compose and Hilt.

Join our innovative team as a Backend Software Engineer at Wix.com, where you will play a crucial role in developing scalable and efficient backend systems. You will work collaboratively with cross-functional teams to design, implement, and maintain server-side applications that power our platform.Your expertise in backend development will help us enhance user experiences and drive our mission forward. If you are passionate about technology and keen to tackle exciting challenges, we want to hear from you!

Role Overview Wix is looking for a Senior Backend Engineer focused on Functions to help build and support scalable backend systems. This position is based in Vilnius. What You Will Do Design, develop, and maintain backend solutions that expand the platform’s capabilities Collaborate with cross-functional teams to deliver reliable software Contribute to high-quality code that meets user needs

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.

We are looking for a dynamic Java Software Engineer to join our passionate engineering team at scale3c. If you are driven by a desire to innovate and eager to contribute to your professional growth, we want to hear from you!

Join Hostinger as a Websites Product Manager and take a leading role in shaping our web solutions. You will collaborate closely with cross-functional teams to enhance user experiences, drive product strategy, and ensure our offerings align with market needs. Your insights will help us deliver exceptional web development tools and services to our customers.

Join our dynamic R&D team at devexperts as a Backend Engineer. We are seeking a skilled professional who is passionate about building scalable and efficient backend applications. You will collaborate with cross-functional teams to design and implement innovative solutions that drive our products forward.

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!

Join our dynamic team at nordsec as a Mid-Senior iOS Engineer, where you will have the opportunity to develop cutting-edge applications that enhance user experiences. You will collaborate with talented professionals in a fast-paced environment, contributing to innovative projects that shape the future of mobile technology.

Join the forefront of internet security with Nord Security. Are you an innovative developer with a passion for crafting solutions? Become a vital part of our team that has created Threat Protection Pro and the NordLynx protocol—recognized as the fastest VPN globally. Our mission is to empower individuals to reclaim their online security, privacy, and management of personal data.Your Role: Contribute to groundbreaking projects that enhance the online safety of millions around the globe.

At Saily, we are revolutionizing the way travelers stay connected by eliminating roaming fees and plastic SIM cards. Our service provides lightning-fast, secure mobile data across more than 200 destinations, ensuring millions of satisfied customers can browse effortlessly.To enhance our product for our users, we cultivate an AI-native Product Engineering culture, where:The Engineer is a builder who takes ownership of customer problems from inception to production.AI Agents assist by automating repetitive tasks, allowing Engineers to focus on impactful work.All team members are encouraged to propose improvements that can be delegated to AI Agents and implemented effectively.Curiosity and knowledge sharing are paramount responsibilities for everyone.The customer’s journey of comfort and connectivity remains our top priority.We prioritize growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower talented individuals with context, autonomy, and AI tools to excel in their work.Main Responsibilities:Enhance the Saily product by developing and maintaining new features.Create features that support multi-dimensional personalization, A/B testing, and analytics.Develop and sustain a high-quality codebase.Continuously seek to improve code quality and performance.Mentor colleagues in development best practices and provide technical leadership.Influence the overall vision and long-term objectives of your team.Engage in R&D activities as needed.Collaborate in a cross-functional team environment to ensure seamless communication.Work closely with engineering, product, and design professionals from other teams.Please note: This position requires office attendance 3 times a week.

Join the forefront of online security with Nord Security!Are you a proactive problem-solver with a passion for innovation? Become a vital member of the team that develops Threat Protection Pro, the NordLynx protocol, and the fastest VPN available today—empowering users to reclaim their privacy, security, and control online.Your Contributions: Enable millions to regain control over their online security, privacy, and data, making a significant impact in the cybersecurity landscape.Key ResponsibilitiesDesign, implement, and maintain data curation and ingestion services for the Threat Intelligence team.Collaborate to develop and implement sustainable architectural solutions, including distributed computing pipelines, microservices, and data flows.Participate actively in code reviews, share expertise, and ensure high standards of technical documentation.Create new services to enhance the quality of data feeds.Adhere to coding standards while delivering efficient, maintainable, and secure code (following DRY, SOLID, and KISS principles).Innovate continuously, proposing and discussing new ideas within the cybersecurity domain.Provide technical leadership and mentorship to team members.Essential QualificationsProficient in Python with a solid understanding of core concepts, syntax, and data structures.Experience in designing and implementing microservice architectures.Familiarity with data storage solutions such as PostgreSQL.Ability to write clean, maintainable code.Experience with cloud technologies, specifically Docker and Kubernetes.Strong analytical and problem-solving abilities to tackle complex issues effectively.Eager to learn rapidly and proactively identify and resolve problems.Detail-oriented with excellent organizational skills.

Join the forefront of internet security with the world's leading VPN provider.Are you an innovative problem-solver eager to shape your own path? Become a vital part of the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN service available globally—empowering individuals to regain their privacy, security, and control over their data.Your role will make a difference. You will assist millions in reclaiming their online security, privacy, and data.The Infrastructure department plays a crucial role in driving change, providing essential support, and delivering cutting-edge software-defined solutions.As part of our QoS - Quality of Service team, you will ensure our clients receive the highest quality VPN service possible. This team includes Data Analysts to evaluate key metrics and Project Managers to spearhead service improvements.Your primary responsibilities will include:Developing automation solutions tailored to specific business needs within the Quality of Service team.Actively participating in team design, planning, estimation, and the delivery of new features and bug fixes.Creating lightweight proofs of concept to facilitate rapid learning and guide future development.Producing high-quality, maintainable code.Collaborating closely with Project Managers and Data Analysts to drive enhancements.

Speechify seeks a Tech Lead to oversee its Web Core Product and Chrome Extension in Vilnius, Lithuania. This position centers on guiding a team of developers and ensuring projects align with company objectives. What you will do Lead development for the web product and Chrome extension Coordinate project timelines and deliverables Work with the team to improve user experiences Who we’re looking for Experienced in web technologies Strong leadership and project management skills Motivated to create better user experiences This role is based in Vilnius, Lithuania.

Role overview Teltonika is hiring a Sales and Leadership Training Manager based in Vilnius. The main focus is to design and deliver training programs that build both sales expertise and leadership skills within the team. Key responsibilities Develop and implement training initiatives aimed at improving sales performance and leadership effectiveness Collaborate with colleagues across departments to identify training needs, both current and future Create tailored training materials that address specific team objectives and challenges Evaluate the impact of training programs on individual and team outcomes Who succeeds in this role Success in this position comes from bringing energy and focus to professional development. Experience building training strategies that drive measurable growth will help empower the sales team and contribute to Teltonika’s continued progress.

Join Omnisend: A Thriving Work Environment!At Omnisend, we pride ourselves on fostering a professional and engaging work culture. Our environment is defined by collaboration and innovation, where smart individuals come together to deliver exceptional results. Forget about unnecessary meetings and micromanagement — here, we focus on what truly matters. Our data-driven approach allows us to test, iterate, and continuously improve our processes. We prioritize insights over assumptions and maintain a culture of trust, transparency, and constructive feedback. Our team is composed of seasoned professionals who adapt quickly and deliver impactful solutions for ecommerce brands. We are committed to solving real challenges while having genuine fun through activities like workations and team gatherings.The Reporting Team at Omnisend is dedicated to providing merchants with clear, actionable insights into their marketing performance. We develop analytics and reporting capabilities that help merchants understand the effectiveness of their campaigns, automations, and channels in driving engagement and revenue. Our solutions simplify complex marketing data into intuitive dashboards and reports, empowering merchants to analyze performance, uncover opportunities, and make informed, data-driven decisions to enhance their business growth.We are seeking a Senior Software Engineer with a strong emphasis on backend development, while also being comfortable working across the full stack. Ideal candidates are proactive, product-minded individuals who thrive on owning features from conception to deployment and are passionate about creating data-driven products. If you are excited about designing scalable backend systems, managing complex data, and occasionally enhancing front-end experiences that deliver actionable insights to merchants, we would love to welcome you to our team!

Join SumUp's Global Bank tribe, where we are dedicated to creating the essential infrastructure and core services that will empower our merchants with a digital banking experience tailored for their success. Our mission is to be the preferred banking partner for small merchants worldwide by delivering a banking experience that is effortless, straightforward, and cost-effective. As a member of the Global Bank tribe, you will play a significant role in developing SumUp's digital bank. Collaborate with a diverse, autonomous team from 32 different nationalities across cities like Cologne, Berlin, São Paulo, Sofia, London, and Vilnius, all committed to taking ownership, working with purpose, and supporting the growth of small businesses. In your capacity as a Senior Backend Engineer, you will be instrumental in transitioning from localized setups with regional banks to a unified Global Bank. This will involve tackling the challenges associated with migrating to a fully distributed, event-driven architecture. Our technology stack comprises Go, AWS, Kafka, PostgreSQL, and Kubernetes, complemented by a robust observability toolchain featuring Prometheus, Grafana, and Honeycomb. We also leverage AI-assisted development tools such as Cursor and GitHub Copilot. At SumUp, our engineering culture emphasizes ownership. We adhere to a “build it, run it, improve it” philosophy, ensuring strong observability and a commitment to continuous learning. Engineers enjoy a clear scope of work and autonomy, with decisions made collaboratively and documented thoroughly. The Vilnius team is integral to the Global Bank domain, overseeing production systems, shaping technical direction, and collaborating closely with colleagues across SumUp’s global offices on critical merchant banking capabilities. Join our Vilnius Team today! (Vilnius office)

Oxylabs is seeking a driven and entrepreneurial Partnerships Manager to join our team. In this role, you will be dedicated to uncovering innovative avenues for establishing new partnerships while optimizing the potential of our existing collaborations. Your contributions will be pivotal in our product development efforts, and you will thrive in our fast-paced, data-driven environment.We are on an exciting journey to explore new opportunities, and we are missing one crucial element: you!

Join our dynamic team of over 500 skilled professionals dedicated to developing innovative proxy and web data scraping solutions for a vast array of esteemed clients, including Fortune 500 companies.What Awaits You:As a key contributor, you'll tackle intricate challenges while managing our robust infrastructure, which boasts a staggering 60PB+ of monthly data traffic. Here are some impressive metrics that highlight our scale:- 6PB+ of Ceph storage- 60PB+ of monthly data traffic through our systems- Over 300k service requests processed per second- More than 500k Kafka messages streamed per secondRole Overview:In this position, you will design and enhance the customer-facing dashboard that underpins Webshare's proxy infrastructure. Our Next.js application supports numerous active users who handle billions of proxy requests daily. You'll collaborate with a highly autonomous team using a modern tech stack that includes React 19 and TypeScript, focusing on balancing new feature development, experimentation, and technical enhancements.