Senior Backend Java Engineer

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.

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.

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.

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.

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.

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 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.

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.

Role overview Scale AI is seeking a Backend Software Engineer based in Budapest, Hungary. The position centers on designing and building backend systems that support business operations worldwide. The main focus is on delivering solutions that are both scalable and efficient, while upholding strong performance and reliability standards. What you will do Develop and maintain backend systems that form the foundation of Scale AI’s products. Work closely with a skilled team to deliver infrastructure that is reliable and responsive. Contribute to projects with a global reach, impacting both customers and partners.

Deutsche Telekom IT Solutions is hiring a mid-senior level developer to join teams in Budapest, Debrecen, Pécs, or Szeged. This role centers on building and enhancing cloud-based services within the T Cloud Public platform. Role overview Developers in this position work closely with colleagues to design, maintain, and improve cloud solutions. The focus is on technical contributions that drive new features and service optimizations for T Cloud Public. Sharing ideas and technical know-how is part of daily work, helping to shape the platform’s future direction. What you will do Develop, maintain, and optimize services on the T Cloud Public platform Collaborate with team members to deliver cloud solutions Contribute expertise and suggestions for new features and improvements Requirements Experience developing for T Cloud Public or similar cloud platforms Comfort working in a collaborative team setting Interest in current cloud technologies Located in or able to work from Budapest, Debrecen, Pécs, or Szeged

Join our partner, a leading global consulting and professional services firm recognized for its extensive reach in over 150 countries. Collaborate with enterprise clients from diverse sectors like finance, telecommunications, and the public sector.As part of a newly established Cloud Security Competence Center in Budapest, you will contribute to strategic cloud transformation projects that are large in scale and complexity, ensuring long-term stability and international collaboration.Key Responsibilities:Design and implement robust Azure cloud security solutions, including policies, baselines, and hardening techniques.Oversee and enhance identity and access management (IAM) within cloud environments.Configure and manage security tools such as Microsoft Defender, Sentinel, and logging & monitoring.Assist in governance, compliance, and audit processes in a corporate setting.Collaborate effectively with cloud, platform, and security teams on international initiatives.Play a pivotal role in building and expanding a new cloud security capability.

Join our dynamic team as a Mid-Senior Full-Stack Developer at Louis Dreyfus Company in Budapest. In this role, you will be responsible for designing and implementing robust web applications across the full stack, ensuring top-notch performance, and enhancing user experience. Collaborate with cross-functional teams to deliver high-quality software solutions and contribute to our innovative projects.

Join our internationally recognized partner specializing in accounting, IT services, and business consulting as a .NET Developer. You will engage in the following responsibilities:Active participation in the design and development of business software systems using modern technologies.Significant involvement in the planning, documentation, and review of program code to ensure high-quality development.Contributing to the preparation and refinement of specifications.Technologies used: .NET Core, .NET, Entity Framework, ASP.NET Core, Angular, SQL Server, Azure, Docker, Kubernetes.

Join YOVO as a Core Infrastructure EngineerAt YOVO, we are revolutionizing payment infrastructure for digital entrepreneurs across Europe. We believe that creators, educators, and modern online businesses merit exceptional tools that match their dynamic pace. Conventional payment platforms fail to meet the demands of this evolving ecosystem, prompting us to create a groundbreaking solution.Established in 2025, YOVO is designing a contemporary, modular checkout system, subscription engine, and unparalleled product hosting services, facilitating effortless sales of digital products and services. Our mission is to empower creators and digital businesses with the financial and operational framework required for scaling, encompassing seamless payments, automated workflows, and insightful analytics.Operating in a remote-first environment, we also provide the opportunity to work on-site at our Budapest office, a thriving hub for tech talent in Europe. YOVO is supported by a team of seasoned founders, operators, and international angel investors as we embark on our journey to transform the European payments landscape.

Join Our Team as a Senior Java Engineer at Hawk-Eye InnovationsHello, I'm Peter Laszlo, the Backend Discipline Lead and the hiring manager for this exciting opportunity. We invite you to apply for the Senior Java Engineer role within our Football Squad. If you have a passion for developing scalable backend systems and are eager to contribute to high-impact projects for FIFA and UEFA, this is the perfect chance for you.Your Daily ContributionsIn this role, you will be instrumental in designing, developing, and optimizing data-heavy backend services that drive live football events. Our team focuses on managing data feeds, event-driven processing, and cloud infrastructure to provide real-time insights to global football leagues and partners.Working in an agile environment, you will collaborate closely with engineers across our football backend team. The dynamic nature of our projects demands efficiency and scalability to ensure success.Our Core ValuesAt Hawk-Eye, we prioritize collaboration, ownership, and innovation. We foster an environment where engineers can make meaningful contributions, tackle challenging problems, and enhance their skills. We value proactive engineers who can immediately engage in mission-critical projects.Primary ResponsibilitiesDevelop, optimize, and maintain backend services utilizing Java (Spring Boot).Participate in design discussions for both new and existing projects.Engage with football-related data pipelines that support FIFA, Serie-A, and UEFA operations.Deploy and scale applications using AWS (ECS, Lambda, S3, DynamoDB, etc.).Improve system observability with real-time monitoring and logging tools, such as Datadog.Work with event-driven architectures and implement message queuing systems.

Deutsche Telekom IT Solutions is looking for a Senior Backend Developer to join the T Cloud Public team. This position centers on building and improving backend systems that power cloud-based products and services. What you will do Develop and enhance backend components for cloud applications Collaborate with teams across disciplines to design architectures that scale Ensure strong performance and smooth interaction between backend and frontend systems Work locations Budapest Debrecen Pécs Szeged

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