Senior Backend Developer - Framework

About the Role Wix2 is looking for a Senior Backend Developer focused on frameworks to join the team in Vilnius. This position centers on designing and building backend solutions that support a range of applications. What You Will Do Design and implement backend frameworks for new and existing products Work with other engineers to solve complex technical cha…

Join KAYAK, a prominent travel search engine and part of Booking Holdings (NASDAQ: BKNG), as we redefine travel planning. With millions of queries across our platforms, we empower travelers to discover their ideal flights, accommodations, rental cars, and vacation packages. Our innovative corporate travel solution, KAYAK for Business, is also reshaping the business travel landscape.At KAYAK, you will be an integral member of a dynamic travel company that encompasses a portfolio of renowned metasearch brands, including momondo, Cheapflights, and HotelsCombined. Our journey from a start-up to an industry leader is fueled by innovation, allowing every employee to leave a lasting impact. We are dedicated to creating the ultimate travel search engine to simplify global exploration for everyone.We are currently in search of a talented Software Architect to act as a pivotal technical leader within our backend engineering division. In this role, you will establish the technical vision and oversee architectural governance essential for maintaining KAYAK’s top-tier search and booking ecosystem. Your expertise will ensure the reliability of a high-concurrency platform that integrates with over 200 global travel partners, 500,000 hotel properties, and 550 airlines.As our Software Architect, your responsibilities will extend beyond the delivery of individual features. You will amplify our capabilities by identifying technical challenges across platforms, mentoring senior engineering professionals, and ensuring our enterprise-grade solutions for KAYAK for Business (K4B) are resilient, scalable, and aligned with our strategic global growth objectives.This position requires at least 3 days per week in our Kaunas office.Key Responsibilities:Ensure optimal performance of search and booking functionalities to meet the demands of our global enterprise clients.Lead the development of high-performance, fault-tolerant integration frameworks for third-party APIs (NDC, GDS, and proprietary provider protocols), emphasizing low-latency execution and high availability.Act as a primary consultant for various engineering teams, clarifying complex architectural decisions and ensuring technical coherence across the K4B ecosystem.Drive initiatives to enhance the engineering lifecycle, including establishing advanced observability patterns, CI/CD maturity, and refining internal standards for code quality and distributed systems design.Translate high-level business goals into comprehensive technical specifications that guide development efforts.

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.

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 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!

Role Overview Tide is hiring a Staff Software Engineer to help shape the Agentic Platform. This role is based in Lithuania. What You Will Do Design and build scalable software solutions for the Agentic Platform Work with cross-functional teams to deliver products that improve user experience Contribute technical expertise to support the platform’s growth Focus on solutions that bring clear business value Who We’re Looking For Experience designing and implementing software systems at scale Comfort working with teams across different disciplines Strong focus on quality and customer needs

Join a Transformative CompanyPalantir Technologies is at the forefront of developing innovative software that empowers organizations to make data-driven decisions. Our advanced platforms enable partners to create life-saving medications, predict supply chain interruptions, locate missing persons, and much more.Position Overview As a Forward Deployed Software Engineer (FDE), you will collaborate closely with clients to swiftly identify their most pressing challenges and devise impactful solutions that leverage data. Our clients depend on Palantir’s platforms for critical operations, often starting with open-ended questions such as, "What causes our flight delays?" or "How can we improve our detection of money laundering activities?" In this role, you will utilize your analytical mindset, creativity, and technical expertise to help organizations harness their data for significant societal impact. You will gain invaluable insights and contribute to pivotal industries and institutions.As an FDE, you will operate similarly to a startup CTO: collaborating in compact teams with minimal oversight while owning the end-to-end execution of high-stakes projects. Your daily activities may include discussing system architecture with fellow engineers, managing large-scale data sets, building custom web applications, engaging with customer executives, or formulating strategies for your team.Whether your aspirations lie in entrepreneurship or engineering leadership, we believe Palantir is the ultimate environment to cultivate your skills alongside exceptional colleagues. You will learn to dissect complex problems, assess the implications of various solutions, acquire new technologies and programming languages, and even contribute to their development. You will operate independently, making decisions within a supportive community that challenges you to grow.

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.

Role Overview Tide is hiring a Senior Staff Software Engineer to help shape the Agentic Platform. This position centers on building software that helps businesses run more smoothly and efficiently. The work involves leading technical efforts and setting direction for complex projects. Main Responsibilities Design, develop, and refine high-performance systems for the Agentic Platform Work closely with teams from different disciplines to deliver effective solutions Drive technical decisions and guide the development process from concept to deployment Location This role is based in Lithuania.

Role overview The iOS Core Product Software Engineer at Speechify works on building and enhancing iOS applications. The main goal is to make Speechify’s products more accessible and intuitive for users. This position is located in Vilnius, Lithuania. What you will do Develop and improve core features within Speechify’s iOS apps Work closely with other engineers and the product team to enhance user experience and accessibility Apply technical expertise to support and advance Speechify’s iOS technologies Location The role is based in Vilnius, Lithuania.

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 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!

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.

Join the innovative team at Teltonika as a Software QA Engineer specializing in telematics solutions. In this role, you will be responsible for ensuring the quality and reliability of our software products through rigorous testing and validation processes. Collaborate with cross-functional teams to identify issues, develop testing strategies, and enhance product performance.

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.

Join our dynamic R&D department at TLT Electronics as an Embedded Software Engineer in Vilnius, Liepkalnis. Be part of our mission to innovate, collaborate, and excel!At TLT, we lead the charge in providing exceptional manufacturing solutions that drive sustainable growth within the high-tech sector. Our advanced 55-hectare facility in Lithuania is outfitted with cutting-edge automation and robotics, enabling us to transform even the most complex designs into fully functional electronic and plastic products.We cultivate a culture of success that empowers every team member to thrive. Together, we are engineers and manufacturers of impactful solutions. By supporting each other, we foster a collaborative environment where innovation can flourish.We are committed to investing in our team. Here, you will have the chance to enhance your skills, deepen your understanding of our products, and experience unparalleled personal and professional growth.Are you ready to make a difference? Join us and become part of something extraordinary!

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.

Role overview Speechify seeks a Software Engineer focused on Data Infrastructure & Acquisition in Vilnius, Lithuania. The role involves building and maintaining systems that handle the company's data needs. What you will do Design and develop infrastructure for reliable data acquisition Maintain and enhance current systems to improve performance and scalability Collaborate with cross-functional teams to keep data flowing efficiently throughout the organization Location This position is based in Vilnius, Lithuania.

About the Role wix2 is looking for a Frontend Software Engineer to join the team in Vilnius. This role focuses on building user interfaces that are both visually appealing and efficient. Collaboration with designers and backend engineers is a regular part of the work. What You’ll Do Develop and maintain web applications using HTML, CSS, and JavaScript Work closely with design and backend teams to deliver seamless user experiences Contribute to the quality and performance of user-facing features Location This position is based in 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.