Senior Developer Experience Engineer

Join Flo Health as a Senior Developer Experience Engineer, where you will play a crucial role in enhancing our developers' productivity and satisfaction. In this position, you will collaborate closely with our engineering teams to identify pain points in the development process and implement innovative solutions. Your expertise will help create a seamless an…

About Speechify Speechify helps people access information by turning web articles, cloud documents, and eBooks into audio. Users can listen wherever they are, at their desks or on the move. Like streaming changed music and podcasts, Speechify is reshaping how people engage with audio information. The company has seen strong growth and leads its market. Role Overview: Senior Software Engineer, Core Experiences Based in Vilnius, Lithuania, this senior engineering role joins the Core Experiences Team. The team focuses on building and maintaining the foundational services and SDKs that power Speechify’s product across multiple platforms. This position suits someone who enjoys working where product and infrastructure meet, thinks strategically, and likes building clear, reliable APIs and systems that make a real difference for users. What You Will Do Collaborate with Product Teams to define project goals, improve feedback cycles, and address integration and user experience needs across teams. Deliver solutions using Speechify’s cross-platform SDK. Improve existing features by designing better abstractions and algorithms to boost performance, including faster loading and smarter parsing. Deploy cloud functions, lightweight backend services, and jobs using Kotlin.

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

Role overview As a Senior Engineer focused on Transmission System Development at epsog, this position involves designing and enhancing transmission systems to maintain steady performance and reliability. The role is based in Vilnius and plays a key part in shaping the effectiveness of transmission operations. What you will do Collaborate with colleagues across different disciplines to move transmission system projects forward Study system operations and pinpoint areas that could work better Apply new solutions aimed at improving efficiency and reliability Requirements Background in transmission system design or development Ease working within cross-functional teams Strong analytical thinking and a proactive attitude toward solving problems Drive for engineering quality and ongoing improvement Location This position is located in Vilnius.

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, we cultivate an AI-native Product Engineering culture that empowers our engineers to take ownership of projects from conception to deployment. Here, engineers are builders, leveraging AI agents to streamline their workflows and enhance productivity. We prioritize continuous improvement, innovation, and a customer-centric approach in every aspect of our work.In our dynamic environment, we value growth over comfort, contribution over hierarchy, and impact over process. We empower our talented team members with context, autonomy, and AI as an enabler, allowing them to excel in their roles.Key ResponsibilitiesCollaborate with cross-functional teams to develop and enhance features for our Android app, ensuring seamless integration with existing backend REST APIs.Provide insights based on mobile user needs, working closely with UX, web, and backend teams to improve existing functionalities.Debug and resolve issues reported by users and internal testing teams, maintaining high standards of quality.Contribute to a growing development team of Kotlin engineers and QA professionals.Stay informed about the latest tools and methodologies to ensure top-notch code quality.Lead the integration of AI technologies across our mobile platform, optimizing workflows and project structures.

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.

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.

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.

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!

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!

Join a thriving movement with over 500 million downloads and 80 million monthly users!Flo is the leading health and fitness app globally, dedicated to revolutionizing female health. With our recent $200 million investment led by General Atlantic, we proudly became the first app of our kind to achieve a $1 billion valuation in 2024, and our momentum continues to build.With 7 million paid subscribers and the highest-rated app in the health category on the App Store, we have spent a decade cultivating trust. As we embark on the next phase of digital health—powered by AI, prioritizing privacy, and clinically validated—we aim to empower our users to better understand their bodies.As a Senior / Lead iOS Engineer at Flo, you will play a pivotal role in shaping the future of our app and enhancing user experience through innovative technology.

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.

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!

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.

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 the dynamic team at SumUp, where the Global Bank tribe is dedicated to building robust infrastructure and essential services that empower merchants with digital business accounts, simplifying banking for millions of small enterprises. The Transfers Gateway squad plays a crucial role by connecting SumUp’s internal systems to external financial networks across the EU and the UK. We are responsible for the services that facilitate daily money movement through various payment schemes. Our team oversees the complete integration process and manages production services that handle real transactions at scale. You will be instrumental in modernizing legacy systems while ensuring reliability, accuracy, and adaptability, making architectural choices that directly impact uptime and enhance the merchant experience across diverse markets. Our tech stack comprises Go, AWS, Kafka, PostgreSQL, and Kubernetes, reinforced by a comprehensive observability toolchain including Prometheus, Grafana, and Honeycomb. We leverage AI-assisted development tools such as Cursor and GitHub Copilot to enhance our workflows. At SumUp, we foster an engineering culture rooted in ownership. We operate on a “build it, run it, improve it” philosophy, emphasizing strong observability and continuous learning. Engineers enjoy clear responsibilities and autonomy, with decisions documented and made collaboratively. The Vilnius team is integral to the Global Bank domain, managing production systems, influencing technical direction, and collaborating with colleagues across SumUp’s global offices to enhance critical merchant banking capabilities. Be a part of our Vilnius Team today! (Vilnius office)

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 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.

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)