Senior Frontend Engineer | React | Saily

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 cul…

Join NordPass in Revolutionizing Password Security!At NordPass, we are committed to making password management easy and secure. Our mission is to ensure that logins are not just simpler but also safer. Be part of the team that powers NordPass—a trusted password manager utilized by over 7 million users and more than 10,000 companies worldwide, safeguarding their credentials, payment information, and sensitive data.Your Role: Contribute to enhancing the digital security of millions by developing innovative and secure login solutions.Key Responsibilities:Collaborate with cross-functional teams to ensure seamless integration and effective use of microservices across Nord Security’s product suite, enhancing user experience.Prioritize high-quality code delivery with a focus on scalability and security.Participate actively in technical and architectural discussions, refining processes and influencing the strategic direction of the product.Exhibit strong ownership and accountability for the development, maintenance, and quality of the product.Promote effective communication and collaboration among team members and cross-functional groups, including engineering, product, and design professionals.

Join the forefront of internet privacy and security with NordVPN.Are you a proactive problem-solver looking to make a significant impact? Become a vital part of the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN globally—innovative tools designed to restore privacy, security, and user control.Your contribution? Empowering millions to regain control over their online security, privacy, and personal data.At NordVPN, we operate a globally distributed VPN and DNS infrastructure that serves millions of users. Your role will encompass deploying, managing, and enhancing VPN nodes worldwide, ensuring every client connection is optimized for speed, stability, and security.You will collaborate closely with application teams to ensure seamless client connectivity from end to end. Quality and reliability are paramount in this role.Key ResponsibilitiesDeploy and manage a globally distributed VPN and DNS infrastructureEnsure optimal connection quality, stability, and performance across all nodesCollaborate with application teams to enhance client connectivity and protocol performanceOptimize VPN service performance through kernel tuning, flamechart analysis, and profilingManage security measures including firewalls, PKI, certificate lifecycle, and hardeningOversee authentication and authorization frameworksTake ownership of configuration management and automated infrastructure provisioningCommunicate incidents clearly and lead postmortem analysesCore QualificationsManage critical VPN services from architecture to monitoring, ensuring scalability and securityDeliver on OKRs and key commitments within set timelinesDraft RFCs/ADRs for new features and refactoring effortsEnhance engineering quality through design reviews, knowledge sharing, and mentorshipBalance reliability, security, and delivery speed with sound operational judgment

Join the dynamic Operative Management Electrical Team at Ignitis Group as an Electrical Engineer on a shift basis. This is an exciting opportunity to contribute to innovative electrical management projects while enhancing your career within a leading energy company.As an Electrical Engineer, you will play a pivotal role in ensuring the efficient operation and management of electrical systems, contributing to our mission to provide sustainable energy solutions.

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.

We are seeking a talented and experienced Artificial Intelligence Engineer to join our client's team at Starkodas. In this role, you will be responsible for developing and integrating cutting-edge AI solutions into real-world client projects, transforming ideas and prototypes into fully functional products.Starkodas creates information systems that deliver real value to society. We are looking for someone who not only wants to work with advanced technologies but also understands their practical value and strives to create solutions that provide tangible benefits.

Join our dynamic team at Hostinger as an Analytics Engineer, where you will play a crucial role in transforming data into actionable insights. You will collaborate closely with cross-functional teams to design, implement, and optimize analytical processes that drive business decisions. Your expertise will help us enhance our products and services, providing valuable insights to improve user experience and operational efficiency.

Join Omnisend and Experience a Refreshingly Productive Work Environment! At Omnisend, we believe in fostering a workplace that is devoid of unnecessary drama and chaos. Here, you'll find a team of intelligent professionals dedicated to delivering exceptional work without the burden of pointless meetings or micromanagement. Our data-driven approach emphasizes testing, iterating, and improving based on insights rather than gut feelings. We prioritize transparency and constructive feedback, allowing us to grow together as a cohesive unit. As we embark on an exciting journey to integrate AI into our product, we are looking for an Engineering Manager to join our Strategist Team. This role presents a unique opportunity to significantly impact thousands of ecommerce businesses by developing solutions that yield tangible results. You will lead the development of innovative AI-powered capabilities, such as a recommendation engine that empowers customers to make informed decisions and maximize revenue, alongside an insights engine that processes vast amounts of data to provide actionable intelligence in near real-time. These initiatives are not mere side projects; they are essential components of our product strategy. Our pragmatic, forward-thinking approach allows us to remain agnostic to specific large language models, utilizing leading tools like OpenAI, Gemini, and Claude. This flexibility enables us to select the most effective technology for each unique challenge, continuously advancing our product's capabilities. As an Engineering Manager, you will guide a team that is reshaping the future of AI-driven marketing, turning complex data into straightforward, actionable insights that add real value for our customers.

Join the forefront of online privacy and security.As a passionate problem-solver, you will be an integral part of the team that develops Threat Protection Pro, the NordLynx protocol, and the world’s fastest VPN. These innovative tools empower users to reclaim their online security, privacy, and control.Your contribution? Enabling millions of users to secure their digital presence effectively.Key ResponsibilitiesDesign, develop, and maintain data curation and ingestion services for our Threat Intelligence team.Collaborate on architectural solutions that are future-proof, including distributed computing pipelines and microservices.Engage actively in code reviews, knowledge sharing, and maintain high standards for technical documentation.Develop new services that enhance data feed quality.Ensure compliance with coding standards while delivering maintainable, secure, and efficient code.Think innovatively and contribute ideas that advance our cybersecurity initiatives.Provide technical leadership and mentorship to team members.Essential QualificationsProficient in Python with a deep understanding of its core concepts and data structures.Experience in designing microservice architectures and facilitating inter-service communication.Familiarity with data storage solutions like PostgreSQL.Exceptional ability to write clean, maintainable code.Experience with cloud infrastructure, particularly Docker and Kubernetes.Strong analytical skills and a knack for problem-solving.A keen learner who quickly identifies and resolves issues.Detail-oriented with a structured approach to tasks.

Join NordLayer as we innovate cybersecurity solutions that grow with our clients.Our platform is designed for seamless integration into any tech stack, enabling modern teams to excel without the burden of security concerns. With the trust of over 11,000 global companies, NordLayer provides robust protection for users across the globe.Your contribution? Ensure businesses remain secure and progressive with our advanced network security solutions.As a member of the Desktop Applications team, you will collaborate with a dynamic group of skilled engineers dedicated to developing next-generation secure networking solutions tailored for businesses. We emphasize teamwork and innovative thinking, focusing on security while tackling complex challenges.

Join Saily, where we revolutionize mobile connectivity for travelers. Enjoy uninterrupted, secure mobile data across 200+ destinations without the hassle of roaming fees or plastic SIM cards. With millions of satisfied customers and countless travelers using our services, we are committed to delivering the best possible product.At Saily, we embrace an AI-native Product Engineering culture that empowers our engineers to:Take ownership of projects from conception to deployment.Deliver innovative features without the need for overly detailed specifications.Collaborate closely with product managers, designers, data analysts, and fellow engineers.Work within dynamic, self-sufficient teams.Leverage AI agents for enhanced specifications, coding, analysis, testing, and iteration.Achieve double the output of a traditional Senior Engineer through AI assistance.Enhance our internal agent network and development processes.Be adaptable across the technology stack as required.Prioritize user satisfaction and business success over mere productivity metrics.Our Values: We prioritize growth over comfort, contributions over hierarchy, and meaningful impact over rigid processes. At Saily, we empower talented individuals with the context, autonomy, and AI tools they need to excel at their work.

Flo Health creates health and fitness apps focused on women's health. The company’s flagship app has reached over 500 million downloads and supports more than 80 million monthly users worldwide. With $200 million in backing from General Atlantic and a $1 billion valuation achieved in 2024, Flo Health continues to grow its reach and reputation. The app holds top ratings in the App Store’s health category and counts 7 million paid subscribers. Role overview The Lead Android Engineer will help shape the mobile experience for millions of users. Flo Health’s app serves one in four women aged 18–44 in the U.S. and is available in more than 100 countries. Machine learning and AI power its cycle predictions and personalized health insights, making accuracy and credibility central to the product. What you will do Develop and refine large-scale Android applications with responsive, accessible, and privacy-focused interfaces. Collaborate in a cross-functional team throughout the full mobile development lifecycle, from concept to release and iteration. Own the delivery of value, not just features, and contribute to meaningful improvements in women's health technology. Lead product initiatives, experiment with new ideas, and implement solutions that have real impact beyond routine backlog work. Drive product evolution by adapting to user needs and championing improvements. Who Flo looks for Flo seeks engineers who are pragmatic problem solvers, comfortable with change, and deeply invested in the quality of their work. The team values those who want to make a tangible impact and thrive when given trust and freedom to innovate. Location This role is based in Vilnius.

Join Flo Health as a Cloud Security Engineer and play a pivotal role in safeguarding our cloud infrastructure. Collaborate with cross-functional teams to design, implement, and maintain security protocols that protect sensitive data. This is an exciting opportunity to work in a fast-paced environment where your expertise will directly contribute to the security and integrity of our cloud solutions.

Join NordLayer as we revolutionize cybersecurity for businesses of all sizes.Our innovative platform enables teams to operate efficiently without compromising security. With the trust of over 11,000 companies worldwide, NordLayer integrates seamlessly with various tech stacks to protect users globally.Your Role: As a Senior Site Reliability Engineer focusing on observability, you will be pivotal in ensuring our infrastructure's health and performance. You'll be tasked with designing robust monitoring systems, enhancing signal quality, minimizing alert fatigue, and collaborating with data teams on anomaly detection strategies. Your insights will shape how we perceive and optimize our distributed systems.

Join our innovative team at epsog as an Information Systems Engineer, where you will play a vital role in designing and implementing cutting-edge information systems. Your expertise will help enhance our operational efficiency and drive our technological evolution.

Join Saily, where we simplify staying connected while traveling. Forget about roaming fees and plastic SIM cards—experience fast and secure mobile data in over 200 destinations. With millions of paying customers and hundreds of thousands of travelers exploring Saily at any moment, we are redefining mobile connectivity. Our product development thrives on an AI-native Product Engineering culture. Here’s how we operate: The Engineer is the creator, tasked with addressing customer challenges from concept to deployment. AI Agents support Engineers by automating routine tasks and writing code, allowing Engineers to focus on impactful work. Every team member is encouraged to suggest improvements to optimize the use of AI Agents and implement changes. Curiosity, continuous learning, and knowledge sharing are our collective responsibilities. Our primary focus remains on ensuring a seamless and enjoyable journey for our customers. At Saily, we prioritize growth over comfort, contribution over hierarchy, and impact over process. We empower talented individuals by providing context, autonomy, and innovative AI tools to help them excel. We are excited to welcome motivated junior engineers to our team. Impact is not solely defined by years of experience; it is driven by your eagerness to learn, discipline, and innovative mindset. At Saily, you will have the opportunity to build and influence your surroundings. What can you expect? Hands-on experience with AI-assisted software development, access to a wealth of learning resources, and the chance to work on a product that is not only successful but also technically rewarding. Bring your skills and vision to Saily and make your mark!

Join the Vanguard of Online Security!Are you a passionate problem-solver eager to innovate? Be part of the team behind Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN. We empower users with enhanced privacy, security, and control over their online presence.Your Role: Make a significant impact in helping millions reclaim their online security, privacy, and data.Join our Notification Center Team - Pioneering the Future of In-App Communications!As a Senior Backend Developer on our Notification Center Team, you will be integral in designing and maintaining the microservices that facilitate in-app notification delivery. Our team is essential to numerous features across various teams that depend on effective notification systems. Collaborating closely with other Nord teams, you will help chart our scalable future.Are you prepared to tackle challenges related to scalability, code quality, and maintenance? Your expertise will ensure that our services remain stable and functional, acting as the hidden backbone of many NordVPN, NordPass, and NordLayer features. Join our talented team of engineers dedicated to technical excellence!Key Responsibilities:Develop and enhance microservices to meet the needs of millions of users across NordVPN and related products, ensuring optimal scalability, stability, and security.Collaborate with cross-functional teams to promote seamless integration and functionality of microservices throughout NordVPN's product suite, enhancing the user experience.Mentor team members and foster technical best practices within the organization.Contribute towards shaping the team's vision and long-term objectives.Engage in research and development activities to explore and implement cutting-edge technologies as needed.

Join Saily, where we're revolutionizing connectivity for travelers. Say goodbye to roaming fees and cumbersome SIM cards; enjoy fast and secure mobile data in over 200 destinations. With millions of satisfied customers and countless travelers using Saily simultaneously, we are committed to enhancing the travel experience.At Saily, we cultivate an AI-native Product Engineering culture that empowers our engineers to take ownership from concept to deployment:Engineers are builders, addressing customer challenges comprehensively.AI Agents facilitate code generation and automate repetitive tasks, allowing engineers to focus on impactful work.Everyone is encouraged to contribute ideas that enhance Saily’s effectiveness by leveraging AI.We emphasize curiosity, continuous learning, and knowledge sharing.Our primary focus remains on providing customers with a seamless, connected travel experience.We value growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower intelligent individuals with the context, autonomy, and AI tools to excel in their roles.

Join NordStellar, a leading cybersecurity platform, and help organizations stay one step ahead of cyber threats.As a Software Engineer, you will be integral to transforming threat intelligence into actionable insights, developing cutting-edge tools for dark web monitoring and attack surface management that security teams can trust.Your Role: Empower businesses to identify vulnerabilities and thwart cyberattacks, safeguarding both teams and customers.About NordStellar: Our innovative threat exposure management platform is designed to outsmart cyber threats, protect critical data, and prevent fraud. With NordStellar, businesses gain the insights they need to anticipate hacker actions. Our dedicated Dark Web Monitoring Team is a mission-driven, cross-functional group focused on identifying emerging threats and delivering vital insights.Join us in building technology that empowers proactive security leaders with an understanding of what hackers know about their businesses, enabling swift detection and response to potential cyber threats.

Join the forefront of digital privacy and security!As a Senior Backend Engineer on the Nord Account Team, you'll contribute to the development of industry-leading tools, such as Threat Protection Pro and the NordLynx protocol, which empower users to reclaim their online security and data privacy.Your mission? Enable millions of users to take control of their online security and privacy.Key ResponsibilitiesCraft intuitive APIs that are not only functional but also enjoyable for our internal teams to utilize.Prioritize the creation of high-quality, scalable, and secure code.Work collaboratively with a dedicated team of developers to build and maintain our services using Golang.Take ownership of architecture, design, development, and deployment initiatives with respect and diligence.