Senior Android Engineer | Kotlin Developer at Saily

Join Saily, where we are revolutionizing mobile connectivity for travelers. Say goodbye to roaming fees and plastic SIM cards, and hello to secure, high-speed mobile data across 200+ global destinations. With millions of satisfied customers and countless travelers using our services every day, we are dedicated to providing the best mobile experience.At Saily…

Join the forefront of digital privacy and security. Are you a proactive problem-solver ready to make an impact? Be part of the innovative team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN solution globally. We empower users with privacy, security, and control over their digital experiences.Your Contribution: Play a vital role in helping millions reclaim their online privacy and security.As a member of our Android team, you will work on crucial features such as Call and SMS protection, Meshnet, secure payments, and the design systems that create a seamless experience for NordVPN's Android users. Your role will focus on addressing real-world challenges: safeguarding users from genuine threats and redefining the capabilities of modern security applications. If you thrive on curiosity and meaningful challenges, this is the perfect opportunity for you.

Join our dynamic Android team at Surfshark, where innovation meets passion! We are dedicated to creating an exceptional user experience in the Android marketplace. Our team specializes in the complete design and development of applications from start to finish, ensuring every feature is meticulously crafted and free of bugs. We thrive on challenges and constantly push ourselves to learn and grow through exciting new projects. If you're ready to embark on this rewarding journey with us, keep reading!

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 Speechify as a Tech Lead for our Android Core Product team in Vilnius, Lithuania. We are looking for an experienced and innovative tech leader to guide our Android development efforts. You will play a pivotal role in shaping the future of our product, collaborating with cross-functional teams to deliver outstanding user experiences.

Are you an experienced Android Engineer with a passion for Kotlin? Join our innovative team at Saily, where we are dedicated to building exceptional mobile applications. As a Senior Android Engineer, you will play a critical role in designing and implementing high-quality software solutions that enhance user experience and engagement.

Join our innovative team at Surfshark as we develop HeyPolo, a revolutionary privacy-first smart location-sharing app designed to empower families and friends to stay connected while prioritizing their privacy. HeyPolo offers real-time updates, consent-based sharing, and user-friendly safety features that ensure complete control over data and peace of mind.We are looking for passionate individuals who are eager to make a real difference, drive privacy-centered innovation, and collaborate within a dynamic, self-directed team. If this resonates with you, we invite you to explore this opportunity further.

Join the innovative team at nordsec as a Senior Mobile Engineer. In this pivotal role, you will design, develop, and maintain high-quality mobile applications for both iOS and Android platforms. You will collaborate with cross-functional teams to deliver seamless user experiences and cutting-edge features that enhance our product offerings.As a Senior Mobile Engineer, you will be responsible for implementing best practices in mobile development, ensuring code quality through reviews and testing, and mentoring junior engineers. Your expertise will contribute to the overall success and growth of our mobile applications.

Point Wild develops cybersecurity solutions that help people manage and protect their identities and personal information online. Supported by investors such as WndrCo, Warburg Pincus, and General Catalyst, the company provides a suite of products aimed at building trust and security for users worldwide. This remote position is open to candidates based in Lithuania. As a QA Automation Engineer (Mobile/Android), the role centers on automation for mobile platforms, with a strong emphasis on Android. The work supports products like HotspotShield, Betternet, and UltraAV, all part of Point Wild’s global security offerings. The team values agility and outcome-focused work, giving engineers the autonomy to develop effective solutions as the company grows. Main responsibilities Design and enhance the Android automation framework (Espresso/Kakao-Cup) to support a growing portfolio of security products. Create advanced testing strategies for VPN-specific scenarios, including network-dependent flows and unstable or changing connection states. Collaborate with developers and QA colleagues to identify, troubleshoot, and resolve issues, delivering clear and actionable bug reports. Advocate for QA best practices and contribute to the overall QA strategy. Research and evaluate new testing tools and methodologies to improve the QA process. Requirements Minimum 3 years of experience automating UI tests for Android applications developed in Kotlin. Proficiency with Espresso and Kakao-Cup, including testing for both Jetpack Compose and legacy XML-based screens. Experience with Robolectric and Mockito for test infrastructure and mocking dependencies. Ability to build and maintain pipelines in CircleCI and write Bash/sh scripts for automation and processing results. Knowledge of sharding and parallelizing tests using advanced techniques.

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.

Speechify builds tools that remove barriers to reading and learning. Over 50 million people use our text-to-speech apps across iOS, Android, Mac, Chrome, and web to turn written content into audio, helping them understand and remember more, wherever they are. Our work has earned recognition from Google (Chrome Extension of the Year) and Apple (Design Award for Inclusivity, 2025). The team includes nearly 200 professionals, many with backgrounds at Amazon, Microsoft, and Google. We work fully remote, collaborating across time zones without borders. Role overview: Tech Lead, Android Core Product Speechify’s Android app is the leading text-to-speech tool on the Play Store. We’re looking for a Tech Lead to guide our Android Core Product. This is a key position for someone who combines strategic thinking with hands-on technical leadership and a strong focus on user experience. What you’ll do Lead technical direction and architecture for the Android Core Product Work closely with product and design teams to deliver features that delight users Support and mentor engineers, fostering a culture of ownership and technical excellence Help maintain Speechify’s high standards for quality, performance, and accessibility What we look for Strong work ethic and a drive to achieve ambitious goals Excellent communication skills Comfort working in a flat organization where leadership comes from action and delivery Passion for building products that make a difference Location This role is based in Kaunas, Lithuania, within our fully remote team structure. Interview process We keep interviews efficient: several technical interviews, typically completed within a week.

The R&D team at Companial is seeking a talented Senior .NET Backend Developer to enhance our skilled team. We are committed to delivering top-notch quality by employing best practices and advanced tools. If you are passionate about personal growth, eager to innovate, and willing to help improve our existing systems for our clients, you are exactly who we want to add to our dynamic environment. This position is flexible, allowing you to work from our offices in Vilnius, Kaunas, or remotely.Join us if you thrive in a multicultural setting, enjoy tackling new challenges, and aspire to contribute to making IT a better industry!

About the CompanyReiz Tech is not just another IT company; we are a dynamic IT service provider dedicated to supporting our clients throughout their entire business lifecycle. With an expanding global footprint across over 30 countries and regions, we focus on delivering bespoke software development, comprehensive application support, maintenance, and much more. Our skilled team operates remotely, and our decentralized leadership structure fosters enhanced communication, agile decision-making, and flexibility.About the RoleWe are seeking an experienced Senior PHP Developer to spearhead the technical aspects of our projects. In this role, you will collaborate closely with backend developers within a Scrum team, guiding the development process and ensuring quality deliverables. Exceptional communication skills are crucial, as you will be responsible for mentoring team members and conveying technical concepts clearly.Applications are currently being accepted from Lithuania only.About the ClientWe are working with one of the largest global shipping operators.About the ProjectJoin our innovative team and contribute to the development of a groundbreaking cargo tracking system that promises to transform existing manual processes and external systems. This project aims to provide users with seamless access to all their information through a centralized platform.ResponsibilitiesStay informed about the latest technologies and make architectural decisions to maintain product quality.Optimize code and implement best programming practices.Develop features that align with business requirements while ensuring a healthy, sustainable, and reliable codebase.Mentor junior team members.Engage in code reviews and collaborate with the team to elevate internal coding standards.Deliver high-quality, maintainable code while continuously learning and tackling technical challenges.Demonstrate discipline and motivation, taking responsibility for all development tasks.

Join Wargaming.net as a Game Developer and contribute to the iconic World of Tanks. We are looking for passionate developers who thrive in a creative environment and are eager to push the boundaries of gaming technology. You will work alongside a talented team to design, implement, and optimize gameplay features that enhance the player experience.

Join scale3c as a Senior Flutter Developer and take the next step in your career while working remotely. We are seeking a passionate and skilled developer with expertise in Flutter to enhance our innovative mobile applications. This role offers the flexibility of a fully remote position, allowing you to balance your professional and personal life effectively.

Wargaming is looking for a Server Developer to join the team in Vilnius and contribute to the ongoing development of World of Tanks. This position involves working with the full technology stack to support and enhance the game. Role overview This role focuses on building and maintaining server-side systems that power World of Tanks. The Server Developer will take part in shaping features and ensuring a reliable experience for players. Key responsibilities Work across the full technology stack to develop and support server features for World of Tanks Take ownership of assigned projects from design through implementation Collaborate with other developers to deliver a strong in-game experience for the player community Location This position is based in Vilnius.

Oxylabs creates proxy and web data scraping solutions for a diverse client base, including Fortune 500 companies. The company’s team of over 500 professionals tackles complex data challenges and supports large-scale operations. Role overview This Mid-Level PHP Developer position is based in Vilnius. The role centers on maintaining and enhancing the infrastructure that powers Oxylabs’ global data services. The systems managed in this role process significant volumes of data for clients worldwide, requiring careful attention to reliability and performance. Key systems and technologies Ceph storage handling over 6 petabytes of data Monthly data traffic exceeding 60 petabytes Service infrastructure managing more than 300,000 requests per second Kafka streaming with 500,000 messages per second This role focuses on supporting and improving the core systems that keep data flowing smoothly at scale.

Join our dynamic team as a Senior Business Development Manager at Oxylabs, where you will spearhead our entrepreneurial initiatives. Your primary responsibility will be to seek innovative pathways for forging new partnerships and optimizing the potential of existing ones. As a key contributor to product development, you will thrive in our fast-paced, data-centric environment.We are excited about unlocking new opportunities, and we believe that you are the missing piece to our puzzle!

Join our dynamic team at AdTech as a Senior PHP Developer specializing in cybersecurity tools. In this role, you will leverage your extensive experience in PHP development to design, implement, and maintain innovative security solutions that protect our clients' digital assets. You will collaborate with cross-functional teams to enhance our product offerings and ensure we remain at the forefront of cybersecurity technology.

Join our dynamic internal IT team at scale3c, comprised of approximately 10 talented software developers, a creative web designer, and our visionary CTO. In this role, you will thrive in a product-driven environment where the focus is on innovation, allowing you to build exciting new products and features from the ground up with minimal legacy maintenance.