Backend Software Engineer at Scale AI | Budapest, Hungary

About UsSophos is a leading global innovator in advanced security solutions designed to combat cyberattacks. Following our acquisition of Secureworks in February 2025, we have united two industry pioneers that have significantly transformed cybersecurity through innovative, AI-optimized services, technologies, and products. As the largest dedicated Managed Detection and Response (MDR) provider, we are proud to support over 28,000 organizations worldwide. Our comprehensive portfolio includes industry-leading solutions for endpoint, network, email, and cloud security, all of which seamlessly integrate and adapt through the Sophos Central platform. Our partner network includes reseller partners, Managed Service Providers (MSPs), and Managed Security Service Providers (MSSPs), enabling us to protect over 600,000 organizations globally from phishing, ransomware, data theft, and other cyber threats, including those from state-sponsored actors. Our solutions leverage the historical and real-time threat intelligence from Sophos X-Ops and the Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. For more information, please visit www.sophos.com.Are you ready to be part of a dynamic team focused on researching and developing next-generation security products that are utilized by countless customers daily? Are you keen on creating high-performance tools to support large-scale machine learning projects? Do you aspire to learn how to build and deploy effective high-performance machine learning models for real-world applications?The Sophos Artificial Intelligence (Sophos AI or SAI) department is seeking talented Software Engineers to join our software engineering team. This role will concentrate on the development and support of AWS cloud-based big data tools and analytics. As a team member, you will be responsible for developing and maintaining our internal testing systems, ensuring the highest quality of deliverables used by Sophos products to safeguard our customers. To excel in this position, you should be passionate about delivering high-quality outputs, fostering continuous improvement, and collaborating with global teams, leveraging your exceptional skills to contribute to the success of the Sophos Artificial Intelligence team.

Role Overview Sophos Ltd. is hiring a Team Lead for Software Development based in Hungary. This position oversees a group of developers focused on building security solutions. The Team Lead shapes project direction, ensures quality results, and encourages ongoing improvement within the team. What You Will Do Guide and support a team of software developers working on security products Drive projects from planning through delivery, meeting quality standards and deadlines Collaborate with cross-functional teams to align on goals and requirements Mentor junior developers and help them grow their technical and professional skills Impact This role plays a key part in Sophos’s mission to protect organizations around the world. Team Leads contribute both to technical outcomes and to the growth of people within the company.

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.

Join us in pioneering cutting-edge imaging and 3D technology, presently under provisional patent. As a Senior Software Engineer specializing in C++, you will play a vital role in the development of our next-generation platform, with significant exposure to machine learning systems.In this senior-level position, you will engage in the design, development, and maintenance of robust backend services, data pipelines, and application layers. You will translate machine learning concepts into dependable, production-grade systems while collaborating closely with ML engineers, GPU infrastructure teams, and product engineers. This role offers a unique opportunity to enhance your expertise in applied machine learning.

We are looking for a Senior .NET Engineer to become a vital part of our dynamic team. In this role, you will leverage your extensive experience in software development to design, develop, and maintain high-performance applications. You will work collaboratively with cross-functional teams to deliver innovative solutions that meet our clients' needs.

Join our dynamic team at Hawkeye Innovations as a Senior Software Engineer specializing in C++ tooling. In this pivotal role, you will design, develop, and enhance innovative software solutions that streamline our tooling processes, ensuring efficiency and high performance. Your expertise in C++ will be crucial as you collaborate with cross-functional teams to deliver robust software applications that meet our clients' evolving needs.

Location: Remote (Budapest-based) Contract: Full-Time, Permanent Salary: 1.8M - 2.5M HUF per month Start Date: As soon as possible About Hawk-Eye Innovations Hawk-Eye Innovations develops markerless motion capture technology that helps professional and collegiate sports teams understand and improve athlete performance. Our KinaTrax camera systems are active in over 50 stadiums and labs across MLB, MiLB, and NCAA organizations. Teams use our data collection and analysis tools to make real-time, informed decisions. As leaders in Major League Baseball analytics, we continue to expand into new sports and markets, always aiming to improve how athletes and staff access and use performance data. Role Overview The Front-End Software Engineer will join the product development team, focusing on the KinaTrax Dugout web application, a tool built for baseball analytics and data visualization. This role centers on maintaining and improving current web tools, designing new UI features, and developing biomechanics metrics tailored to client needs. The engineer will also help integrate new data sources into both existing and future web applications, ensuring our visualizations meet evolving sports requirements. Teamwork is central here. The role involves close collaboration with colleagues to keep our tools in step with industry trends and client input. There may also be opportunities to lead projects beyond the core data visualization work. Main Responsibilities Improve and extend the KinaTrax Dugout web application, with a focus on user experience and functionality shaped by client feedback. Add new data sources to existing tools to strengthen our product range. Work with cross-functional teams to push innovation in data visualization. Take the lead on specific projects and initiatives when needed.

Join our dynamic team in Budapest, Hungary, where we embrace a hybrid work model. We are seeking passionate individuals eager to explore the world of AI and technology.Seniority: Ideal for candidates with less than 2 years of experience.This is a full-time position.Who We Are Looking ForAt CraftDocs, we welcome builders who challenge norms. Whether you are a recent graduate or transitioning from another field, your curiosity and innovative spirit matter more than your past experiences. If you've created something impactful using AI and believe in the power of technology to change the world, we want to hear from you!Key QualificationsShowcase Your Work: Present a project that highlights your AI collaboration or creation—this could be a side project, an experiment, or a passion project.Rapid Learner: You adapt quickly and iterate your ideas with minimal guidance.Strong Judgment: You possess an innate ability to discern quality work and understand when something needs improvement.Proactive Ownership: You take initiative and don’t wait for directions.Why This Role ExistsAt CraftDocs, we have discovered that individuals with high learning velocity and strong judgment can achieve results that previously required years of experience. AI tools have revolutionized possibilities in our field, enabling you to learn and execute skills with a reliable guide by your side.We prioritize traits over tenure: curiosity, drive, quick learning, willingness to iterate, and the bravery to explore new avenues.A Note for JuniorsLacking access to advanced AI tools? No problem! For candidates who pass our initial selection, we offer API credits to help you realize your projects. We value your potential over your budget.

We are seeking a talented and innovative AI Engineer to join our dynamic team at Deutsche Telekom IT Solutions. In this role, you will be pivotal in developing and implementing cutting-edge AI solutions that enhance our road user services. You will collaborate with cross-functional teams to design and optimize algorithms that drive our projects forward.

The German-Speaking Renewals Representative at Sophos Ltd. is based in Hungary and focuses on managing contract renewals for mid-market accounts across the EMEA region. This position centers on keeping renewal processes on track and maintaining strong communication with both internal teams and external partners. What you will do Manage a portfolio of mid-market renewal accounts throughout the EMEA region Work closely with field sales teams and channel partners to ensure renewals are completed on schedule Keep organized records and monitor the status of each renewal Initiate contact with customers to discuss renewal terms and respond to any questions Take ownership of assigned accounts and follow structured plans to meet renewal targets Requirements Fluency in German Strong organizational skills Ability to communicate proactively and clearly Experience working with sales teams or channel partners is helpful Comfortable managing multiple accounts and meeting deadlines

Join our dynamic team at Sophos as a Sales Administrator specializing in Commercial Sales, where your proficiency in German will be a valuable asset. In this role, you will support our sales team by managing customer inquiries, processing orders, and maintaining accurate records. Your attention to detail and organizational skills will help ensure a seamless sales process.

jobgether is seeking a Senior Software Engineer to help shape AI-powered SaaS products. This position is based in Hungary and focuses on designing and building software that brings advanced AI capabilities to our platform. Role overview This role centers on developing new software applications and improving existing ones. Collaboration with colleagues from different teams is a regular part of the job, as is finding ways to integrate AI technologies that make our SaaS solutions more effective. The work directly influences how our products evolve and how customers experience them. What you will do Design and develop software applications for AI-driven SaaS products Work closely with cross-functional teams to deliver features and improvements Drive the adoption and implementation of AI technologies within our offerings Who we’re looking for Creative and analytical approach to problem-solving Interest in advancing technology and exploring new solutions Experience building software applications, ideally with AI or SaaS products

Wise is hiring a Senior Software Engineer for the Contact Automation team in Budapest. This position focuses on building automation systems that use artificial intelligence to streamline operations and enhance the experience for users worldwide. Main responsibilities Design and build AI-driven automation solutions that support contact processes Collaborate with colleagues from different areas to deliver systems that are reliable and scalable Improve and update existing automation tools to increase their efficiency and impact What Wise is looking for Strong skills in software development Ability to approach problems with creativity and practical solutions Interest in new technologies and a drive to improve user experience

Role Overview Sophos Ltd. is hiring a Senior HR Business Partner in Hungary. This role partners with senior management to connect HR strategies to business goals and support organizational growth through effective talent management. What You Will Do Advise leaders on strategic HR matters and workforce planning Promote a culture of engagement and continuous improvement Implement and refine performance management processes Shape and improve the employee experience across the organization Ensure HR practices comply with labor laws and internal policies What We Look For Extensive experience in HR business partnering at a senior level Strong background in talent management and employee development Ability to guide leaders and influence organizational culture Knowledge of local labor laws and HR compliance requirements

Work Arrangement: Fully Remote – Must have reliable overlap with MST working hours.Job Type: Independent Contractor, Full-time.About Pearl TalentAt Pearl Talent, we collaborate with the top 1% of global candidates to connect them with innovative startups across the US and EU. Our clients, having secured over $5 billion in funding, are supported by industry giants like OpenAI, a16z, and Founders Fund. We seek the most driven and talented individuals who are eager for long-term partnerships and career advancement.Why Work with Us?We are not just another recruitment firm; we offer exceptional opportunities to work alongside forward-thinking founders in the US and EU. Our focus is on placing you in roles that challenge you, promote growth, and build meaningful careers.About the CompanyWe are a rapidly expanding software company dedicated to delivering top-notch digital products for enterprise and startup clients. Our commitment to reliability, scalability, and user experience makes quality assurance integral to our development process.Role OverviewAs an Automation QA Engineer, you will ensure every software release is reliable, scalable, and user-centric. Ideal candidates possess strong analytical and creative problem-solving skills, with a passion for testing products from a user’s perspective. You’ll be responsible for designing and executing automation frameworks, leveraging AI tools for testing, and collaborating cross-functionally to uphold product excellence.

At Brandwatch, we empower individuals to create meaningful impacts. Your voice is heard, your ideas are valued, and your unique perspective contributes to our collective success. As a part of our global team, you'll thrive in an environment that champions curiosity, collaboration, and innovation, all while making significant contributions to the brands we accelerate. Join us in redefining communication and building authentic connections that truly matter. Whether you’re tackling complex challenges or spearheading bold innovations, your growth is our success, and together, we’ll craft the conversations of tomorrow. Empower your impact at Brandwatch. Be seen, be understood, be you. Brandwatch is on the lookout for a passionate individual to join our Integrations & Marketplace team. You will be part of a cross-functional, autonomous team focused on delivering new integrations within our social media management suite.In your role as a Software Engineer at Brandwatch, you will write high-quality code that enhances existing solutions and implements new features for our customers.

This freelance Optical Engineer and AI Trainer position with toloka-ai is fully remote within Hungary. Mindrift connects professionals to project-based AI assignments for leading tech companies. Work is organized on a project-by-project basis and does not constitute permanent employment. Role overview This role centers on testing, evaluating, and improving AI systems. Assignments involve developing and refining complex optical and physics problems that challenge AI models and reflect real-world research scenarios. What you will do Create original optical problems modeled after authentic physics research workflows. Design scenarios that require substantial computational effort, beyond what manual solutions can achieve in days or weeks. Develop problems involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base challenges on actual research obstacles or practical issues in optics and physics. Write clear, precise problem statements and provide carefully checked solutions. Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related discipline. Minimum of 2 years of professional experience in applied work, research, or teaching. Experience with numerical simulation methods. Ability to design problems that mirror genuine research workflows in physics. Creative approach to problem design across multiple physics domains. Familiarity with modeling and approximation techniques in physics. Strong written English skills at C1 level or above. Project commitment Active project phases typically require 10–20 hours per week. Actual workload may vary and is not guaranteed, depending on project needs. Compensation Earn up to $45 per hour, depending on expertise and pace. Rates may vary by project based on complexity, scope, and required skills. Other projects on the platform may offer different compensation depending on their specific requirements. Application process Application Qualification assessment Project participation Task completion Payment Please submit your CV in English and include your English proficiency level.

Company Overview:At Zocks, we are a pioneering venture capital-backed AI startup that is revolutionizing financial services and various industries prioritizing security and privacy. Our founding team comprises industry veterans from leading companies like Twilio, IBM, Microsoft, and Hearsay Systems, who have dedicated their careers to developing real-time communication solutions and enterprise platforms. We leverage cutting-edge AI technology to seamlessly connect human interactions with enterprise systems, beginning with the financial sector.Our mission is straightforward yet impactful: to reinvent business operations and streamline areas often hindered by inefficient processes. Our innovative platform empowers users to communicate effortlessly while we capture vital information, eliminating cumbersome data entry and allowing them to focus more on what matters most—their clients.Location: Budapest, XI. (On-site Monday to Thursday, Remote on Fridays)Why Join Us: As we continue to expand, we are in search of a Senior Software Engineering Manager with a minimum of 7 years in Software Engineering and at least 3 years in a leadership role to guide and mentor our talented team of developers. We seek an individual who can introduce innovative ideas, possess advanced technical expertise, and have a strong passion for innovation. In this pivotal role, you will drive our projects forward, enhance our product offerings, and address the increasingly complex needs of our customers using agile methodologies and state-of-the-art technologies.

Location: Budapest, Hungary (hybrid) or remote in the EU, with the first month onsite.Seniority: all levelsFull-timeAbout the RoleJoin a dynamic team where your contributions significantly influence our projects. This position is not merely about speeding up code generation; instead, you will leverage AI tools daily to enhance your effectiveness in delivering essential features. You will be responsible for shipping new functionalities, troubleshooting production challenges, and critically assessing our existing development processes.Your ResponsibilitiesTake full ownership of features from concept to deployment.Utilize AI coding tools (Claude Code, Cursor, agents) regularly in your workflow.Debug and verify AI-generated code, knowing when to trust the output and when to investigate further.Collaborate closely with a compact, high-performance team where every member's input shapes the project's direction.Challenge existing assumptions, including your own.Your ProfileEssential Qualifications:Experience with personal projects that involve AI tools; demonstrate your thought processes and interactions with these technologies.Strong decision-making skills under pressure: assess AI outputs to determine what to accept, reject, or validate.Innate curiosity and motivation: you explore new ideas, iterate on solutions, and proactively take initiative.Ambition to set and strive for challenging goals.More Important Than Experience:A strong product intuition: you grasp the reasons behind building features, not just the technical 'how.'Quick learning ability and adaptability.Instincts for debugging: when something seems off, you investigate until you find clarity.