Senior Software Engineer - Fraud Handling at Wise | Budapest

Wise is looking for a Senior Fullstack Engineer to help develop and improve the Mitigation Handling Platform in Budapest. This position involves working across both front-end and back-end systems to deliver reliable, scalable applications that support a smooth user experience. What you will do Build and maintain applications that keep the platform efficient and responsive. Work with cross-functional teams to design and implement new features and solutions. Contribute to both user-facing and server-side components, ensuring a seamless experience. Role overview This role focuses on creating technology that helps Wise respond quickly to user needs. Collaboration and technical skill will be central as you work with others to deliver improvements and maintain high standards for reliability.

SEON serves as the pivotal hub for fraud prevention and AML compliance, aiding numerous companies globally in thwarting fraud, mitigating risk, and safeguarding revenue. Leveraging over 900 real-time, first-party data signals, SEON enhances customer profiles, identifies dubious activities, and simplifies compliance workflows - all centralized in one platform. With a commitment to delivering richer data, more adaptable and transparent analysis, and a quicker time to value than competitors, SEON has successfully helped businesses reduce fraud by 95% and achieve an impressive 32x ROI. Our rapid growth is fueled by partnerships with some of the world's most innovative digital brands, including Revolut, Wise, and Bilt.Join the Platform Engineering team at SEON, the driving force behind our technical advancement. This team is focused on constructing the fundamental infrastructure and pipelines that empower product engineers to deploy code securely, swiftly, and independently. We view our platform as a product and our developers as customers, aiming to eliminate friction and minimize cognitive load throughout the software delivery lifecycle.We are in search of a visionary and seasoned Senior Manager of Platform Engineering to lead our talented team of Platform Engineers. In this pivotal role, you will be instrumental in designing the 'Golden Paths' that standardize and expedite our development processes, ensuring that our infrastructure evolves in tandem with our rapid business expansion. You will work closely with Software Engineering, Data, and SRE teams to translate requirements into a unified platform strategy. Your proven ability to lead high-performing teams in complex, fast-paced environments will be essential, as will your skill in organizing and inspiring a team amidst ongoing growth and transformation.This position offers flexibility, allowing you to work from Budapest with a hybrid schedule or remotely from anywhere within the European Union, with occasional travel to our other offices.

At SEON, we are the pioneers in fraud prevention and AML compliance, empowering thousands of enterprises globally to combat fraud, mitigate risks, and safeguard their revenue streams. Utilizing over 900 real-time, first-party data signals, we enhance customer profiles, identify suspicious activities, and optimize compliance processes—all from a single platform. SEON offers unparalleled data richness, versatile and transparent analyses, and a swift path to value that surpasses any competitor in the industry. Our innovative approach has enabled clients to decrease fraud by 95% and achieve a remarkable 32x return on investment. We are rapidly expanding, fueled by collaborations with some of the most forward-thinking digital brands like Revolut, Wise, and Bilt.As a FullStack Java Engineer at SEON, you will leverage your robust software engineering skills while adopting a mentoring role to empower your peers and collaborate closely with our engineering leadership. We are committed to a product-led growth strategy.Join our Scoring Team, the core of SEON, where we aggregate data to provide our clients with the tools needed to block fraudulent activities. We are in a constant state of evolution, adding new data sources to refine our sophisticated real-time analyses and enhancing user experience to bolster their fraud prevention capabilities. This role encompasses vital product functions including backend and frontend development, research and development, design, and database management.This position offers flexibility with a hybrid working schedule based in Budapest.

Join us at the forefront of revolutionizing global capital markets! At ion, we provide cutting-edge analytics, news, and data solutions that empower millions of professionals worldwide. Our clientele includes influential investors, lawyers, consultants, traders, bankers, and executives, and we are dedicated to transforming their workflows through innovative technology. By becoming part of our team, you will engage in a culture that prioritizes continuous improvement and lifelong learning. Discover more about this exciting opportunity below.

Join SEON, the leading command center for fraud prevention and AML compliance, where we empower thousands of companies worldwide to combat fraud, mitigate risks, and safeguard their revenues. Utilizing over 900 real-time, first-party data signals, SEON enhances customer profiles, identifies suspicious activities, and optimizes compliance workflows, all from a single platform. We offer richer data, transparent analytics, and faster value realisation than any competitor in the market. Our solutions have successfully reduced fraud by up to 95% and achieved a remarkable 32x ROI for our partners, including renowned digital brands like Revolut, Wise, and Bilt.We are seeking a talented Senior Platform Engineer to join our dynamic team, focused on developing the core engine that drives our technical capabilities. This role transcends traditional Site Reliability Engineering (SRE) responsibilities; your primary goal will be to create self-service tools that enable our product engineers to deploy code securely, swiftly, and independently.Working closely with the Senior Manager of Platform Engineering, you will treat our infrastructure as a product and our developers as customers. You will design 'Golden Paths' to minimize friction, alleviate cognitive load, and facilitate our teams' scalability in tandem with our rapid business growth.This position offers flexibility, allowing for a hybrid work environment in Budapest or a fully remote setup anywhere in the EU, with occasional travel to other offices.

Join our innovative team at Betsson as a Fullstack Software Engineer specializing in Player Management. In this dynamic role, you'll leverage your extensive experience in agile development practices while collaborating closely with cross-functional teams and product owners. Your expertise in designing and implementing end-to-end technical solutions will be key in shaping our player account management systems, with a strong focus on utilizing AI tools and services to optimize our development processes.The WowOur Product Development organization operates across five locations, hosting some of the most creative talent in the iGaming industry. If you thrive on cutting-edge technologies and relish the challenge of mission-critical responsibilities, this is the perfect opportunity for you!In a highly competitive market, we prioritize the adoption of the latest technologies to ensure exceptional performance, functionality, and user experience. You will be instrumental in building an industry-leading, scalable, multi-brand platform that supports over 40 brands, catering to hundreds of thousands of users.What's in it for you?The Player Account Management (PAM) area encompasses various aspects of managing player accounts, including:Account creation, verification, updates, and closureAccount authentication, controls, and securityUser session managementResponsible Gaming initiativesA taste of what you will be doingDesign, develop, and maintain scalable fullstack applications using .NET (preferably .NET 9) and Angular.Integrate and manage messaging systems such as Kafka and RabbitMQ.Deploy and manage applications using Docker and Kubernetes in AWS environments.Work with various databases including PostgreSQL, MSSQL, and Couchbase.Implement search capabilities using OpenSearch or Elasticsearch.Write and maintain frontend code using TypeScript, ensuring quality with Playwright or Cypress.Collaborate closely with team members and product owners in an agile environment to meet organizational goals.Utilize AI tools and services to enhance workflows and productivity.

Join our dynamic team at Hawkeye Innovations as a Senior Java Engineer specializing in our Data Platform Framework. In this role, you will drive the development of scalable and efficient data solutions, collaborate with cross-functional teams, and contribute to the architecture of our data platform. If you are passionate about Java and data engineering, this is your chance to make an impact in a forward-thinking company.

Jobgether is hiring a Multicloud Platform Engineer based in Hungary. This position centers on designing, implementing, and maintaining cloud solutions that span several platforms. The goal is to deliver reliable, secure, and high-performing systems that support client requirements. Role overview The Multicloud Platform Engineer works closely with other engineers and teams from different disciplines. Collaboration is essential to develop and deliver solutions that align with both technical and business needs. What you will do Design and build cloud-based systems across multiple platforms Maintain and optimize existing cloud infrastructure for performance and security Work with cross-functional teams to ensure solutions meet client expectations Requirements Experience working with multiple cloud platforms Strong focus on system performance and security Ability to collaborate with diverse engineering and business teams

Join our dynamic team as an OpenShift Platform Engineer, where you will play a crucial role in designing, deploying, and managing OpenShift environments. As part of Deutsche Telekom IT Solutions, you will collaborate with cross-functional teams to enhance our cloud infrastructure, ensuring optimal performance and reliability.

Join our dynamic team as a Senior Data Engineer specializing in the Power Platform at Deutsche Telekom IT Solutions in Budapest. In this pivotal role within our international Common Data Intelligence Hub, you will enhance our Cloud Data & Analytics Platform by serving as the crucial link between Self-Service BI teams and the Azure Lakehouse backend.Our Cloud Data & Analytics Platform integrates Azure Lakehouse technologies (Data Factory, Databricks, dbt, CDC Framework) with Microsoft Power Platform services (Power BI, Power Apps, Power Automate, SharePoint Online). This innovative platform empowers business units to develop and manage their own analytics and reporting solutions while adhering to enterprise-level security, governance, and data management protocols.As a Senior Data Engineer, you will ensure that self-service solutions operate efficiently, securely, and reliably in accordance with established standards. You will provide guidance and support to business and data teams, helping them navigate the technical framework, governance principles, and best practices for sustainable analytics solutions. Collaboration with platform engineers will be key to maintaining operational alignment between the Power Platform frontend and the Lakehouse backend.Platform Operations & Maintenance:Ensure the reliable operation and performance optimization of Power Platform components (Power BI Service, Power Apps, Power Automate, SharePoint Online) within the Cloud Data & Analytics Platform.Monitor platform usage and performance to guarantee optimal resource allocation and cost efficiency.Manage Power BI gateways and secure data connections to the Azure Lakehouse backend (ADF, Databricks, dbt, CDC Framework).Oversee role-based access control (RBAC) and workspace permissions in line with corporate governance and Azure security principles.Optimize data refresh and load processes to maintain the freshness and stability of analytical datasets.Work closely with platform engineering teams to address incidents, coordinate upgrades, and implement technical improvements across both frontend and backend layers.Create standardized operational dashboards and reports to enhance transparency regarding platform usage, capacity, and performance metrics.Governance & Best Practices:Consult and coach Self-Service BI teams on effectively utilizing Power BI, Power Apps, and Power Automate within the governance framework.Guide new teams through onboarding and compliance processes, ensuring proper workspace configuration.

Deutsche Telekom IT Solutions is looking for a DevOps / Platform Engineer (REF5431C) to help strengthen platform capabilities across the organization. This position is based in Budapest, Debrecen, Pécs, or Szeged. Role overview The DevOps / Platform Engineer will design, implement, and maintain scalable systems that support reliable and high-performing operations. The role involves close collaboration with other technical professionals, focusing on system efficiency and stability. What you will do Automate deployment processes to improve speed and consistency Manage and optimize cloud infrastructure for performance and reliability Work with development teams to streamline workflows and processes Support ongoing improvements to DevOps practices and tools Requirements Experience in system automation, cloud infrastructure management, and DevOps methodologies is expected. Strong teamwork and communication skills are important for collaborating with development and operations teams.

Since its inception in 1999 in Vienna, Qualysoft Group has established itself as a leading independent IT consulting and services provider. We are dedicated to enhancing the competitiveness and economic efficiency of our international clientele through cutting-edge IT solutions.Our expertise spans various sectors, including financial services, telecommunications, automotive, and energy services. With a dedicated team of over 400 professionals across six subsidiaries, we are committed to delivering state-of-the-art solutions tailored to our clients' needs.At Qualysoft, we seek to expand our teams with new colleagues eager to engage in diverse projects that foster continuous learning and development. Our shared mission emphasizes integrity, growth, and a robust support system while exploring the forefront of technology. We look forward to receiving your application for the position below!About the Role: The Workplace Platform Engineer will be pivotal in designing, standardizing, securing, and managing the lifecycle of our enterprise endpoint platform. This role is essential in ensuring that all users experience a secure, scalable, and high-performance digital workplace environment that meets corporate security, compliance, and operational standards.As the technical authority for endpoint platforms and modern device management, you will drive automation, standardization, and continuous improvement throughout our workplace ecosystem.

mpsolutions is searching for a Lead Infrastructure & Platform Engineer for Cloud & ML Serving to join the team in Budapest. This position centers on building and maintaining the core platform that delivers machine learning models in real time to a wide user base. The work supports AI and imaging projects, and offers the opportunity to shape both cloud and serving architecture from the ground up. Main responsibilities Design and maintain cloud infrastructure across AWS, GCP, and Azure. Deploy and scale machine learning models in production environments. Develop high-load backend systems, including APIs, inference pipelines, and data processing components. Contribute to production server code, not just operational tasks. Make platform-level decisions focused on performance, latency, and reliability. Requirements Minimum 8 years of experience in cloud, platform, or distributed systems roles. Deep knowledge of AWS, Kubernetes, CI/CD pipelines, and Infrastructure as Code (IaC). Hands-on experience with ML serving, GPU inference, and real-time systems. Strong programming skills in Python and C++ (beyond basic scripting). Understanding of scaling, latency, fault tolerance, and observability in production systems. Fluency in English. What makes this role different This position blends platform engineering, backend development, and machine learning serving. It is not a traditional DevOps job. Full ownership of the stack, from infrastructure through backend systems to ML model serving. Work on systems that handle real-world, high-scale traffic. Contribute in a startup environment where technical decisions directly shape the product. For those interested in building foundational platforms and making key technical choices, mpsolutions welcomes a conversation.

We are seeking a talented AI Platform Engineer to become a key member of our innovative AI Fabric Team at Instructure, a leader in educational technology. In this role, you will leverage your expertise in artificial intelligence and software engineering to develop cutting-edge platforms that enhance learning experiences for users worldwide.As an AI Platform Engineer, you will collaborate closely with data scientists, product managers, and other engineers to design, implement, and optimize our AI-driven solutions. Your contributions will directly impact the effectiveness of our educational tools and the success of our mission to improve educational outcomes.

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.

Join SEON, a leader in fraud prevention and Anti-Money Laundering (AML) compliance, where we empower businesses globally to combat fraud and safeguard their revenue. Utilizing over 900 real-time, first-party data signals, our platform enhances customer profiles, identifies suspicious activities, and optimizes compliance workflows, all from a single interface. Our innovative solutions have enabled clients to achieve a remarkable 95% reduction in fraud and a staggering 32x return on investment (ROI). As we expand rapidly, our collaborations with forward-thinking digital brands like Revolut, Wise, and Bilt continue to drive our success.We are seeking a Senior Full-Stack Engineer who not only possesses robust software engineering skills but also embodies a mentoring spirit to assist our engineering teams and collaborate with our technical leadership. At SEON, we embrace a product-led growth strategy.The Customer Platform Team is at the core of SEON’s operations: we design and develop essential services that support the entire SEON ecosystem along with the primary application used by customers. Our ongoing mission includes enhancing user experience and workflow for our clients by continuously adding innovative features that bolster their fraud analysis capabilities. Responsibilities encompass core functions such as backend and frontend development, research and development, design, and database management.This position offers flexibility and is based in our Budapest office with a hybrid work schedule.

Join our dynamic team as a Fullstack Developer and play a pivotal role in shaping the future of technology solutions. You will be responsible for developing robust applications across both front-end and back-end platforms, ensuring high performance and responsiveness to requests from the front end.In this role, you will collaborate with UX/UI designers to implement modern design methodologies while also working with backend technologies to integrate data storage solutions. Your contributions will be crucial in delivering scalable and efficient software solutions that meet the evolving needs of our clients.

Join our dynamic team at Deutsche Telekom IT Solutions as a German Speaking FullStack Application Developer. This is an exciting opportunity for talented individuals to contribute to innovative projects while working in a collaborative environment. You will be responsible for developing and maintaining web applications, ensuring high performance and responsiveness, and collaborating with cross-functional teams to define, design, and ship new features.We are looking for candidates who are passionate about technology and eager to tackle challenges in software development.

Join our dynamic Legal Team as a Senior Legal Counsel, EU Employment Law and play a crucial role in shaping the future of platform work. Your expertise will be vital in ensuring that Delivery Hero continues to thrive while delivering exceptional experiences.In this pivotal role, you will provide strategic legal guidance that aligns with our business objectives and regulatory requirements. Your contributions will help to minimize risks and secure sustainable growth, making you an essential part of our mission to provide amazing experiences globally.As a Senior Legal Counsel, you will manage employment law challenges associated with platform work on an international scale. We are seeking a highly experienced employment lawyer with a passion for the gig economy and a proactive approach to shaping the future of work.Key Responsibilities:Oversee the global management of platform worker and rider classification risks, collaborating with international employment lawyers.Manage high-profile litigations and regulatory investigations, formulating defense strategies with local legal counsel.Collaborate with Product, Tech, and Operations teams to gain insights into delivery operations and technology, aiding the development of innovative delivery solutions.Support cross-functional teams in identifying new business models and strategic opportunities related to platform work.Monitor legislative and regulatory changes affecting platform work, advising Public Policy teams at both headquarters and market levels.Act as a subject-matter expert, offering insights to senior management and stakeholders across the organization, with occasional international travel (up to 10%).