Mid-Level Backend Engineer

hiyaBudapest, HU

On-site Full-time

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Experience Level

Mid to Senior

Qualifications

The ideal candidate will have a solid understanding of backend technologies, including experience with languages such as Java, Python, or Node.js. Familiarity with cloud services (AWS, Google Cloud) and database systems (SQL, NoSQL) is essential. We value problem solvers who can collaborate effectively within a team and are eager to learn new technologies.

About the job

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.

About hiya

At hiya, we are dedicated to creating seamless communication experiences. Our mission is to empower users with innovative tools that enhance their ability to connect. Join us and be part of a forward-thinking company that values creativity and collaboration.

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Lead Backend Engineer at HSP Group | Hungary

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About UsHSP Group stands at the forefront of global expansion services, dedicated to simplifying the complexities of international operations. Our mission is to provide a seamless experience in legal entity setup, global HR, payroll, compliance, tax, and advisory services, empowering our clients to scale efficiently and minimize risks in every new market.As …

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Backend Software Engineer - Sportsbook

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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.

Feb 18, 2026

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Mid-Level Backend Engineer

hiya

Full-time|On-site|Budapest, HU

Mar 9, 2026

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Mid-Level Backend Software Engineer

Hiya Inc.

Full-time|On-site|Budapest, HU

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.

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Mar 2, 2026

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Security Backend Engineer (REF5058E)

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Mar 5, 2026

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Apr 14, 2026

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Dec 12, 2025

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Backend Software Engineer - SWIFT (Java) at Wise

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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.

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Backend Software Engineer - Player Management

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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.

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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.

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Internship|On-site|Veszprém, Veszprém, Hungary

OPSWAT protects critical infrastructure for organizations around the world. With over two decades of experience in cybersecurity, OPSWAT delivers solutions that help both public and private sector clients secure complex networks, safeguard devices, and meet compliance requirements. More than 1,700 organizations, including governments and institutions, trust OPSWAT’s technology to keep essential systems safe. Role Overview OPSWAT is growing its R&D team in Hungary and looking for a Software Engineer Intern in Veszprém. This team focuses on MetaDefender Aether, a secure file transfer platform used by governments and global organizations. As an intern, you will help design and develop backend services that support secure data movement. Collaboration with engineers, security specialists, and researchers is a core part of the work. What You Will Do Work with a skilled and diverse team of engineers, security experts, and researchers. Develop or test interactive and responsive user interfaces for cybersecurity products using C++, Python, or Rust. Write code that is clean, well-documented, and maintainable, following established coding standards and development practices. Participate in Agile development activities, such as sprint planning, daily stand-ups, and retrospectives, to help achieve team objectives. Location This internship is based in Veszprém, Hungary.

Apr 17, 2026

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Lead Principal Java Engineer - Football Team

Hawk-Eye Innovations

Full-time|HUF 1.8M/mo - HUF 2.5M/mo|Hybrid|Hungary, Budapest

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Jan 9, 2026

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