Principal Web UI Developer (React), Budapest

Join Lab49 as a Senior Web UI Developer (Angular) and be a part of an award-winning consultancy that specializes in creating tailor-made technology solutions for the finance sector. Since our inception in 2002, we have been at the forefront of technological innovation, bridging Silicon Valley's cutting-edge advancements with the dynamic world of Wall Street. In this role, you will collaborate with cross-functional teams, engage directly with clients, and transform complex business challenges into robust technical solutions that will be deployed into production environments.

Join our dynamic team at mpsolutions as a Full Stack Web Engineer, where you will contribute to the creation and advancement of a cutting-edge, event-driven platform. Your role will encompass the design and delivery of features across the technology stack, with a particular focus on asynchronous architectures and event streaming.We foster an innovative environment that encourages the use of advanced coding tools (such as Cursor and Claude) to enhance productivity and code quality during development.Your Responsibilities:Develop and maintain backend services utilizing NestJS (Node.js/TypeScript)Create responsive and maintainable frontend applications with Angular or ReactDesign and implement event-driven and asynchronous flows, including messaging patterns and stream processingEngage with Kafka topics, producers/consumers, schemas, and delivery semantics (e.g., retries, idempotency)Collaborate on system design, API contracts, observability, and performance optimizationContribute to engineering best practices: clean code, code reviews, automated testing, and CI/CD

At SEON, we stand at the forefront of fraud prevention and AML compliance, empowering thousands of global enterprises to combat fraud, minimize risks, and safeguard their revenues. Our innovative platform utilizes over 900 real-time, first-party data signals to enhance customer profiles, identify suspicious activities, and streamline compliance processes—all from a single interface. With unparalleled data richness, adaptable analytics, and rapid implementation, SEON outperforms all competitors in the market. Our efforts have enabled clients to cut fraud by 95% and achieve an impressive 32x return on investment, propelling our growth as we partner with some of the world’s most ambitious digital brands like Revolut, Wise, and Bilt.We are on the lookout for a talented Web Designer to take charge of the visual design of our marketing website and to enhance our brand's digital presence.In this pivotal role, you will focus on crafting high-quality, conversion-driven web experiences. You will be responsible for designing landing pages, campaign experiences, and essential website pages that are not only visually striking but also effective in fostering engagement and conversions.Collaboration is key; you will work closely with our demand generation, content, and development teams to implement campaigns and continually refine the website through design and iteration.Please include a link to your portfolio along with your resume.

Company Overview:Zocks is an innovative AI startup backed by venture capital, revolutionizing the financial services sector and other industries that prioritize security and privacy. Our founding team, with a wealth of experience from industry leaders such as Twilio, IBM, Microsoft, and Hearsay Systems, is dedicated to harnessing AI to seamlessly integrate human conversations with enterprise systems, beginning with financial services. We aim to transform business operations by streamlining processes that are often hindered by inefficiencies. Our cutting-edge platform enables natural communication while capturing necessary information, significantly reducing data entry burdens and allowing clients to focus on what truly matters: their customers.Location: Budapest, XI. (On-site Monday to Thursday, Remote on Fridays)To support our growth, we are seeking a Senior Python Developer with a minimum of 4 years of experience. This role is ideal for a candidate who is eager to bring innovative ideas and advanced technical capabilities to our dynamic development team. Your contributions will be vital in propelling our projects and enhancing our product offerings.

Join us at Betsson as a Senior Product Designer, where your creativity will drive the future of our innovative products and user experiences on a global scale. You will create compelling designs grounded in user insights, showcasing your mastery in user-centered design principles and transforming concepts into visually stunning prototypes. Collaborating closely with engineers, product managers, and key stakeholders, you will help craft best-in-class user experiences that captivate and engage our audience.The WowYour role will involve delivering exceptional designs that not only meet user needs but also inspire our organization to push the boundaries of what is possible. You will be at the forefront of product aesthetics and functionality, ensuring our offerings stand out in the competitive landscape.

About Interactive Brokers Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company based in Greenwich, Connecticut, with offices in more than 15 countries. The firm provides electronic brokerage services for stocks, options, futures, currencies, bonds, and funds, serving clients in over 200 countries. Clients include individual investors, financial advisors, hedge funds, and introducing brokers. The company is known for its technology-driven approach, competitive pricing, and broad market access. For six years running, Barron's has ranked Interactive Brokers as the #1 online broker. Role Overview: Senior Python Developer (Budapest) This position focuses on building and enhancing transaction surveillance and data pipeline systems within a multinational team. The work supports reliable, scalable operations across a diverse set of financial instruments and regulatory requirements. Main Responsibilities Design, optimize, and extend transaction surveillance and data pipeline processes to improve efficiency, reliability, and scalability. Switch between high-level system architecture and detailed implementation for a surveillance system that manages more than 150 processes. Optimize data architectures and databases for performance and reliability. Develop internal tooling to speed up development and improve system monitoring. Ensure data accuracy, security, and regulatory compliance. Project Ownership and Collaboration Own projects and subsystems from start to finish, making key decisions on technical and business issues. Work closely with quantitative engineers, surveillance model developers, and compliance teams to turn business needs into scalable technical solutions. Spot bottlenecks, risks, and constraints; estimate costs; and share insights with stakeholders. Translate high-level surveillance ideas into production-ready processes that deliver actionable results. Data Stewardship Manage and curate essential datasets that support surveillance operations.

Join our rapidly growing IT service company, which boasts a strong international presence and is dedicated to delivering exceptional IT solutions and operational services. With our headquarters located in the heart of Budapest, we aim to offer top-notch solutions to both local and global clients. Our strategic vision is to continuously broaden our service offerings, enhancing support for both internal and external partners. Our solid foundation and commitment to professional growth are reinforced by the ongoing success of our parent companies. Our innovative and international environment presents exciting professional challenges, fostering continuous development and career progression.Design, develop, and maintain robust .NET applications utilizing ASP/C#, Entity Framework, Blazor, HTML5, CSS3, JavaScript/TypeScript, MsSQL/Oracle/NoSQL, IIS, and NuGet, particularly in the ShopFloor domain.Collaborate closely with functional teams to establish comprehensive project requirements.Enhance code performance and scalability with a strong emphasis on quality and security.Provide maintenance and troubleshooting for existing applications.Lead the migration of legacy systems to modern architectures and solutions.Ensure thorough documentation of development processes.Mentor and guide junior developers.

Deutsche Telekom IT Solutions is looking for a .NET Developer based in Budapest. This position involves building software solutions that support digital transformation initiatives. Role overview As a .NET Developer, you will contribute to projects that shape the company’s technology landscape. Collaboration with both local and international colleagues is a key part of the role. What you will do Develop and maintain software using .NET technologies Work closely with a team to deliver high-quality solutions Participate in projects that support the company’s digital goals Opportunities This role provides a chance to expand technical skills and gain experience working with teams across different countries. The environment encourages learning and professional growth.

Qualysoft Group, established in 1999 in Vienna, is a leading independent IT consulting and services firm dedicated to enhancing the competitiveness and operational efficiency of its international clientele through cutting-edge IT solutions. With a particular emphasis on sectors such as financial services, telecommunications, automotive, and energy services, our team of over 400 dedicated employees across six subsidiaries collaborates to deliver state-of-the-art solutions tailored to our clients' needs. We are eager to welcome new team members to the Qualysoft family, where diverse projects and continuous learning opportunities await. Our shared mission is to foster honesty, promote professional growth, and provide a stable work environment while exploring the latest technological advancements. We look forward to receiving your application for the position detailed below!

Role overview Qima seeks a Senior Manager, Data & Web Engineering to join their Budapest office. This leadership position manages a team of data engineers and web developers, focusing on the creation and improvement of data solutions and web applications. The role shapes data frameworks and helps ensure web platforms run smoothly, offering a dependable and user-friendly experience. What you will do Lead and mentor a group of data engineers and web developers Oversee development and refinement of data frameworks Maintain high standards for web platform performance and usability Collaborate with cross-functional teams to apply best practices in data management and web engineering Guide the team through complex technical issues Deliver projects on time and within budget Encourage continuous learning and foster innovation within the team Requirements Demonstrated experience leading teams in data engineering and web development Strong knowledge of data frameworks and web application performance Ability to work effectively across departments Track record of mentoring and developing technical staff Comfort managing several projects and shifting priorities This position is located in Budapest.

About YOVOYOVO is revolutionizing payment infrastructure for digital entrepreneurs throughout Europe. We believe that creators, educators, and modern online businesses deserve top-tier tools that match their rapid pace. Conventional payment systems weren't tailored for this evolving landscape, prompting us to innovate a completely new solution.Founded in 2025, YOVO is crafting an advanced, modular checkout and subscription engine, coupled with world-class product hosting that streamlines the selling of digital products and services. Our goal is to empower creators and digital enterprises with the financial and operational infrastructure necessary for growth, encompassing seamless payments, automated workflows, and insightful analytics.Operating primarily in a remote-first environment, we also offer the option to work in our Budapest office, a thriving hub for technology talent in Europe. YOVO is supported by seasoned founders, industry experts, and international angel investors committed to our mission of transforming the European payments landscape.

Role overview FORM.com is looking for a Senior Android Engineer to take the lead in mobile development. This position is open to candidates based in Budapest or working remotely from anywhere in Hungary. The main focus is guiding a team that builds and enhances Android and cross-platform applications, supporting field teams operating around the world. What you will do Lead and mentor a team of mobile engineers working on Android and cross-platform app development Write production-ready code and define the technical direction for mobile projects Work closely with cross-functional teams to improve the FORM.com platform Develop features using image recognition technology to deliver real-time insights for major brands Shape engineering practices and help ensure the delivery of reliable, effective mobile solutions The platform FORM.com’s mobile apps are key tools for thousands of field teams worldwide. These applications use advanced image recognition to provide actionable data and insights to well-known brands. Location Budapest office or remote work within Hungary

Company Overview:At Zocks, we are a pioneering AI startup backed by venture capital, dedicated to revolutionizing the financial services sector and beyond, where security and privacy are paramount. Our founding team comprises veterans from the realms of real-time communication, enterprise platforms, and security-sensitive industries, hailing from renowned organizations such as Twilio, IBM, Microsoft, and Hearsay Systems. We leverage artificial intelligence to seamlessly connect human interactions with enterprise systems, starting with the financial services landscape.Our mission is straightforward yet impactful: to transform business operations by eliminating outdated, cumbersome processes. Our innovative platform facilitates natural communication, allowing us to capture essential data seamlessly, thereby minimizing manual data entry and enabling our users to focus on what truly matters - their clients.Location: Budapest, XI. (On-site Monday to Thursday, Remote on Fridays)Why Join Us: As we embark on our next phase of growth, we are eager to welcome a Senior Software Engineer with a minimum of 4 years of experience to our dynamic development team. We seek an individual who can inject fresh ideas, demonstrate advanced technical prowess, and possess a fervor for innovation. Your contributions will be vital in advancing our projects and enhancing our product offerings.

Deutsche Telekom IT Solutions seeks a Mid-Senior Java Developer in Budapest. This position centers on designing, developing, and maintaining Java applications that serve both clients and internal teams. Main responsibilities Design, build, and maintain software solutions using Java Collaborate with cross-functional teams to deliver dependable applications Contribute to projects that support clients and enhance company services Requirements Strong experience in Java development Proactive approach to solving problems Comfort working collaboratively with others This role is based in Budapest. Join a supportive team and work on projects that have a direct impact at Deutsche Telekom IT Solutions.

Lab49 is seeking an experienced Senior Java Developer to spearhead innovative projects that will drive transformative change for our distinguished Financial Services clients. In our Agile-driven environment, you will leverage your extensive server-side expertise to develop cutting-edge financial systems that redefine industry standards.

Company Overview:At Zocks, we are a forward-thinking AI startup backed by venture capital, dedicated to revolutionizing financial services and other sectors that prioritize security and privacy. Our founding team members have extensive experience with industry giants such as Twilio, IBM, Microsoft, and Hearsay Systems, having developed cutting-edge real-time communication solutions and enterprise tools. We leverage AI to enhance interactions between humans and enterprise systems, beginning with financial services.Our mission is to simplify business processes that are often hampered by inefficiencies. Our state-of-the-art platform enables seamless communication, capturing essential information to minimize manual data entry, enhance operational efficiency, and allow our clients to focus on what truly matters—their customers.Location: Budapest, XI. (On-site Monday to Thursday, Remote on Fridays)Role Overview: As Zocks continues to grow rapidly, we are on the lookout for an enthusiastic and experienced Senior IT Recruiter to join our talent acquisition team. This position is perfect for a seasoned recruitment expert who excels in a fast-paced environment and is capable of managing the entire recruitment process to attract and retain exceptional talent, playing a crucial role in our company's success.

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.

Embrace your individuality at ABBYY, where we honor diverse work styles. With flexible working arrangements and a nurturing team environment, we reward your contributions as you focus on your development while advancing our collective success.Our values of respect, transparency, and simplicity empower trust, ensuring we consistently choose the right path for our team and clients.As a premier provider of AI solutions and intelligent automation, we tackle intricate challenges for our enterprise clients, optimizing their information to revolutionize their operations. Trusted by over 10,000 customers, including numerous Fortune 500 companies, you will enhance a portfolio that features prestigious names such as DHL, Johnson & Johnson, FDA, DMV, PwC, KeyBank, Spotify, and H&R Block.We are on the lookout for a talented Senior Software Engineer to lead the modernization and advancement of our C++ Computer Vision library, focusing on the creation of innovative algorithms for Intelligent Document Processing (IDP). This position demands deep technical knowledge to deliver high-performance Computer Vision solutions that will empower our product teams. Our extensive library encompasses algorithms spanning Classical Computer Vision, Machine Learning, Deep Learning, and state-of-the-art Multimodal models. The ideal candidate will architect and implement core library structures while mentoring their peers and collaborating across departments to ensure the sustained success of our vision technology. Significant experience with Computer Vision principles and algorithms is essential.

Role Overview Deutsche Telekom IT Solutions is looking for a Senior Software Engineer to join the team in Budapest. This position focuses on designing, developing, and implementing software solutions tailored to client needs. What You Will Do Design software architecture and plan technical solutions Develop and implement software based on project requirements Collaborate with colleagues to deliver reliable products for clients Location This role is based in Budapest.