Backend Software Engineer at Scale AI | Budapest, Hungary

The Sportsbook division is expanding rapidly, and we are on the lookout for a talented Backend Engineering Tech Lead to join our innovative team. At Betsson, our world-class Sportsbook platform is developed entirely in-house, and we pride ourselves on our cutting-edge technology and agile approach to sports betting solutions. As we grow and enter new markets, we remain committed to providing an exceptional B2B sports betting experience across various regions.Life at Betsson is akin to a thrilling rollercoaster ride, filled with excitement and challenges. With over 2,800 employees from more than 75 nationalities, our diverse global workforce operates from five tech hubs located in Malta, Budapest, Stockholm, Tallinn, and Athens. If you thrive in an environment that fosters innovation and collaboration, you will fit right in.As a key player in our Sportsbook Technology team, you will help shape the future of our platform, which serves over 20 brands and offers a comprehensive sports betting experience. Your expertise will ensure that we deliver outstanding performance, functionality, and user experiences in the iGaming industry.

The Sportsbook Area within Product Development is expanding, and we are on the lookout for a talented Backend Software Engineer! At Betsson, we pride ourselves on having a world-class Sportsbook platform developed in-house by our dedicated tech team. As we rapidly grow and expand into new markets, it’s essential to provide continuous support for our global audience. Our Product Development organization spans five tech hubs worldwide, including Malta, Budapest, Stockholm, Tallinn, and Athens. The Excitement Awaits Life at Betsson Group is akin to a thrilling rollercoaster ride—fast-paced, full of surprises, and endlessly exciting. With over 2,800 colleagues from more than 75 nationalities across our global offices, including 1,500 at our operational headquarters in Malta, every day is filled with new challenges and opportunities for growth. If you are driven by innovation, enjoy pushing boundaries, and want to be part of a diverse international team, you’ll thrive at Betsson. Our Sportsbook Platform is entirely our own—from architecture to trading teams. We host our brands, delivering sports betting experiences to our customers. With cutting-edge tools for our traders and innovative features for customers to engage with various sports, our teams are fundamental in ensuring top-notch performance, functionality, and user experience in the iGaming industry. As a member of our high-performing Sportsbook tech team, you will play a pivotal role in delivering significant business value across our 20+ brands.

Join hiya as a Mid-Level Backend Engineer, where you will play a pivotal role in developing innovative backend solutions that enhance user experiences. You will work alongside a talented team of engineers, contributing to the design and implementation of scalable services. This is an exciting opportunity for individuals who are passionate about technology and want to make a meaningful impact in a vibrant work environment.

Speechify builds text-to-speech tools that help over 50 million people read and learn from PDFs, books, Google Docs, news articles, and websites. Our products include apps for iOS, Android, Mac, a Chrome extension, and a web platform. Google named our Chrome extension "Extension of the Year," and Apple recognized our design for inclusivity in 2025. The company is fully distributed, with nearly 200 team members who bring experience from Amazon, Microsoft, Google, and successful startups. The team includes frontend and backend engineers, AI research scientists, and founders, working together without a central office. Role overview Speechify's Android app is now the most-used text-to-speech app on the Play Store. To support continued growth, we are hiring a Tech Lead for Android Core Product in Budapest, Hungary. This is a senior engineering role focused on expanding our Android user base and launching new projects that shape the future of accessible reading technology. What you will do Lead technical decisions and architecture for the Android app Work closely with product and design to deliver features that improve user experience Drive projects from idea through execution, ensuring high code quality and performance Mentor and collaborate with engineers across the team Contribute to a flat team structure where leadership comes from demonstrated results What we look for Extensive experience building and scaling Android applications Strong product sense and a history of making impactful technical decisions Ability to thrive in a fast-moving environment Clear communication and a strong work ethic Competitive drive and commitment to delivering outstanding user experiences Interview process The hiring process includes several technical assessments, usually completed within one week.

Role Overview Wise is hiring a Senior Backend Engineer for the Servicing Platform team in Budapest. This role focuses on building and maintaining backend systems with Java. The work supports Wise’s core services and aims to improve the experience for users worldwide. What You Will Do Design, develop, and maintain backend systems for the Servicing Platform using Java Collaborate with engineers, product managers, and other teams to deliver reliable software Contribute to improving service quality and system performance What We’re Looking For Strong experience in backend development with Java Ability to work effectively with cross-functional teams Focus on delivering high-quality, maintainable solutions Location This position is based in Budapest.

Our Mission Hiya Inc. is focused on restoring trust in voice communication. With spam, scams, and AI manipulation eroding confidence in phone calls, Hiya’s mission is to make voice safe, useful, and human again. Each month, our AI-powered technology analyzes over 28 billion calls, protecting more than 550 million users and over 800 businesses worldwide. We work with partners such as AT&T, Samsung, British Telecom EE, Rogers, MasOrange, Bell Canada, MasMovil, and Virgin Media O2. Together, we not only block malicious calls but also help people feel secure answering their phones. Hiya is growing rapidly, with over 40% year-on-year expansion. As the landscape of voice threats evolves, we continue to set new standards for reliable, trusted communication on a global scale. Role Overview: Mid-Level Backend Software Engineer The Partner Distribution team delivers Hiya’s call profiling solutions, Connect, Protect, and Spoof Defence, to mobile operators and OEM device manufacturers around the world. Last year, we brought four new operators onto our platform, and two more joined this month. Our network is expanding quickly. We are looking for a Software Engineer II to help us scale. This engineer will work alongside a small, agile team, tackling challenges from initial design through production. The team values iterative development and takes responsibility for its work in production. What You Will Do Contribute to the development and scaling of backend services that process real-time call signals for millions of calls across a global operator network. Work with technologies including Scala, Kafka, Kubernetes, and AWS. Participate in technical decisions, code reviews, system design, and deployments. Collaborate closely with team members in a supportive, review-driven environment. Own projects from conception to production, with significant autonomy and scope. About the Stack Scala for backend development Kafka for data streaming Kubernetes for orchestration AWS for cloud infrastructure Location This position is based in Budapest, HU.

Join Deutsche Telekom IT Solutions as a Security Backend Engineer where you will play a crucial role in developing and maintaining secure backend systems. You will collaborate with cross-functional teams to enhance our cybersecurity framework, ensuring data protection and compliance with industry standards.

Join Wise as a Senior Backend Java Engineer and play a pivotal role in building robust and scalable backend solutions. You will be responsible for designing, developing, and maintaining high-quality software applications. Collaborate with cross-functional teams to define, design, and ship new features while ensuring the performance and reliability of our systems.

Join our innovative team at Wise as a Backend Engineer focused on North America Risk. In this role, you will contribute to the development and optimization of our backend systems, ensuring robust performance and security. Collaborate with cross-functional teams to design, implement, and maintain backend solutions that enhance user experience and support our growing customer base.

Role Overview Wise is hiring a Backend Engineer to strengthen our Risk Assessment Platform in Budapest. This role shapes the systems that support our risk management efforts, directly contributing to our goal of making international money transfers more affordable and accessible. What You Will Do Design and build backend systems that improve how we assess and manage risk Work closely with other engineers to deliver reliable, scalable solutions Help refine the tools and processes that keep our platform secure and effective About Wise Wise focuses on making global money transfers simpler and less expensive for people and businesses worldwide. The Risk Assessment Platform is central to this mission, ensuring every transfer is safe and compliant.

Speechify is looking for a Tech Lead to oversee the development of its web core product and Chrome extension. This full-time position is based in Budapest, Hungary. Role overview This role focuses on guiding engineering work for both web-based platforms and browser extension projects. The Tech Lead will coordinate with product, design, and engineering teams to ensure each release meets high standards. What you will do Direct engineering efforts for web core products and Chrome extension initiatives Collaborate with cross-functional teams to deliver technology solutions Prioritize performance, reliability, and user experience in all releases Location This position is based in Budapest, Hungary.

Join Wise as a Backend Software Engineer specialized in SWIFT, where you will play a pivotal role in developing and enhancing our financial services. You will work with cutting-edge technologies and collaborate with a talented team to deliver innovative solutions that empower people to manage their finances more effectively. This is an exciting opportunity to contribute to a company that values transparency and efficiency in the world of money transfer.

At Betsson Group, we are committed to providing unparalleled customer experiences within the iGaming industry. As one of the market leaders, we offer a diverse array of online gaming products across multiple markets, both through our proprietary gaming platforms and our partner brands.The WowOur Product Development team, renowned for its creativity and innovation, operates from five locations worldwide. If you have a passion for cutting-edge technologies and are ready to take on critical responsibilities, this role is perfect for you!In a fiercely competitive market, we leverage the latest technologies to achieve optimal performance, functionality, and user experience in iGaming.You will join a dedicated team that is developing a scalable, industry-leading platform supporting over 40 online brands, utilized by hundreds of thousands of users and growing.

Are you ready to revolutionize the way the world innovates? At Formlabs, we are dedicated to developing cutting-edge tools that empower anyone to transform their ideas into reality, from advanced products to critical medical devices. Our pioneering 3D printing technology is a catalyst for innovation across more than 50,000 industry leaders globally, including esteemed companies like Apple, Google, Tesla, New Balance, and NASA. Together, we are redefining the processes of design, prototyping, and manufacturing, making them faster and more efficient than ever. As a pivotal member of the team behind FormNow, a groundbreaking new product set to reshape access to manufacturing and prototyping services, you will have a unique opportunity to influence this zero-to-one product from its inception. You will tackle complex challenges utilizing a modern tech stack. This position is ideal for an engineer passionate about building solutions from the ground up and eager to solve intricate problems in a novel domain. While your primary focus will be on this innovative project, you will also have the chance to contribute to our established, large-scale web platforms. If you are excited about creating products that enable others to innovate, we want to hear from you!

Are you a skilled QA Engineer eager to take on your next adventure? Join the Betsson Group, where our Product Development team operates across more than four locations, featuring some of the most innovative minds in the industry! If you are enthusiastic about cutting-edge technologies and can manage mission-critical tasks, this position is perfect for you!Your ImpactWe are in search of a dedicated QA Engineer to enhance and uphold the quality of our brands. As a key member of an end-to-end team, you will utilize your testing expertise to cover a diverse array of scenarios involving commercial and regulatory elements, ensuring that no bugs enter our production environment.Life at Betsson Group is much like a thrilling rollercoaster ride—fast-paced, dynamic, and filled with excitement. With over 2,800 colleagues representing more than 75 nationalities, and a robust operational headquarters in Malta housing 1,500 team members, each day presents fresh challenges and opportunities for growth. If you thrive in an innovative environment and want to join a diverse, international team, you will feel right at home with us.Your Responsibilities Include:Test Plans Development: Craft comprehensive test plans and cases to ensure high-quality software delivery.Cross-Team Collaboration: Work closely with various teams to integrate quality practices throughout the development lifecycle and contribute to quality initiatives.Manual Testing: Execute thorough manual testing to validate software functionality, performance, and user experience.Quality Standards Monitoring: Track adherence to quality requirements during development and assist the team in early defect resolution.Documentation and Reporting: Document test outcomes, maintain issue tracking, and effectively communicate findings to stakeholders.Quality Support: Help ensure quality gates are achieved and assist the team in upholding high release standards.

Lead Principal Java Engineer – Football TeamSalary Banding: HUF 1.8M - HUF 2.5M per monthContract: Full-Time, PermanentWorking Location: Hybrid, minimum 2 days a week in the officeOffice Location: BudapestJoin Our Innovative Team as a Principal Java Engineer at Hawk-Eye InnovationsHello! I’m Peter Laszlo, the Backend Discipline Lead, and I’m thrilled to invite you to apply for the Principal Java Engineer position within our Football Team at Hawk-Eye Innovations. If you are enthusiastic about designing scalable backend systems and wish to contribute to high-impact projects for FIFA and UEFA, this might be the perfect opportunity for you.Your Day-to-Day ResponsibilitiesIn your role as a Principal Java Engineer in our Football Backend Team, you will be pivotal in architecting, developing, and enhancing data-intensive backend services that support live football events. Our team is responsible for managing data feeds, event-driven processing, and cloud-based infrastructure to provide real-time insights to global football leagues and partners.You will thrive in an agile setting, working closely with engineers across our football backend team. Given the high-profile nature of our work, we operate in a dynamic environment where efficiency and scalability are crucial to our success.What We CherishAt Hawk-Eye, we foster a culture of collaboration, ownership, and innovation. We aim to create an atmosphere where engineers can make meaningful contributions, tackle challenging problems, and enhance their skills. Given our fast-paced work environment, we value engineers who can adapt swiftly, take initiative, and engage in mission-critical projects from day one.Core ResponsibilitiesDesign, optimize, and maintain backend services using Java (Spring Boot)Participate in design decisions for both new and existing projectsWork on football-related data pipelines that support FIFA, Serie-A, and UEFA operationsDeploy and scale applications in AWS (ECS, Lambda, S3, DynamoDB, etc.)Enhance system observability, ensuring real-time monitoring and logging using tools like DatadogEngage with event-driven architectures, utilizing message queue systems

About the Role Wise is looking for an Engineering Lead to guide the Business Onboarding team in Budapest. This position focuses on improving how businesses join and use Wise, with a hands-on approach to shaping technical solutions and processes. What You Will Do Lead and mentor an engineering team dedicated to business onboarding projects Drive technical decisions and maintain high standards for code quality Collaborate closely with product and design to deliver smooth onboarding experiences Support the integration of Wise services for new business users Location This role is based in Budapest.

Role Overview Betsson Group is hiring a Lead Data DevOps Engineer to guide the Data DevOps team in Budapest. This position focuses on team leadership, technical direction, and ensuring smooth data operations within an agile setup. Key Responsibilities Lead and mentor a team of Data DevOps professionals. Work closely with cross-functional teams to align data operations with business needs. Shape and improve data architecture and data pipelines. Implement and promote strong data management and DevOps practices. Streamline workflows to deliver insights that support company goals. Location This role is based in Budapest.

Unlock your potential with a pioneering leader in the Ad-Tech industry! As the Optimization Lead on our Dynamic Ads team at our Budapest office, you will be instrumental in enhancing the performance of our clients' advertising campaigns. Your role will involve transforming data into actionable insights, pinpointing improvement opportunities, and driving significant results. Collaborating with cross-functional teams, you will ensure that our campaigns consistently surpass expectations while continuously learning and applying industry best practices to optimize outcomes. This position is ideal for individuals who are passionate about problem-solving, analytics, and directly contributing to client success.