Senior Software Engineer | AI SaaS Development Opportunity

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 d…

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

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 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.

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 Opswat as an AI Native .NET Engineer and be a part of our innovative team dedicated to making the digital world safer. In this role, you will leverage your expertise in .NET and AI technologies to develop cutting-edge solutions that enhance our software offerings.Your responsibilities will include designing, implementing, and maintaining high-quality software solutions, collaborating with cross-functional teams to define project requirements, and utilizing AI methodologies to improve performance and user experience.

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.

We invite you to submit your CV in English, along with your English proficiency level.At Mindrift, we specialize in connecting skilled professionals with project-based AI opportunities for top-tier tech corporations, emphasizing the testing, evaluation, and enhancement of AI systems. This role is project-based and does not entail permanent employment.Opportunity OverviewEach project entails specific tasks, and contributors may be responsible for:Creating original optics-related problems that mimic authentic physics research workflows;Ensuring that these problems are computationally demanding and cannot be resolved manually within reasonable timeframes (days/weeks);Designing challenges that necessitate complex reasoning across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in real-world research challenges or practical applications within the fields of optics and physics;Clearly documenting problem statements and providing verified correct solutions.Ideal Candidate ProfileThis opportunity is particularly suited for optical engineers seeking part-time, non-permanent engagements. Applicants should ideally possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;A minimum of 2 years of professional experience, whether in applied research or teaching;Proficiency in numerical simulation methods;The capability to design problems that reflect real physics research workflows;Innovative thinking in problem design across a variety of physics domains;Familiarity with physics modeling and approximation techniques;Strong written communication skills in English (C1+ level).Application ProcessApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject CommitmentFor this project, tasks are expected to require approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $45 per hour, contingent on their skill level and contribution pace. Compensation may vary based on the project's scope, complexity, and required expertise. Please note that other projects on our platform may offer different compensation structures.

This position is based in Budapest, Hungary, within a hybrid work environment requiring office attendance 3 or more days per week. Tulip, a pioneer in AI-native frontline operations, empowers global enterprises to provide their workforce with composable, interconnected applications. This innovation leads to superior quality work, enhanced efficiency, and comprehensive traceability throughout operations. Our cloud-native, no-code platform, driven by integrated AI, is revolutionizing digital transformation in industrial settings with human-centric, composable solutions that redefine the Manufacturing Execution System (MES) landscape. Founded as a spinoff from MIT, Tulip is headquartered in Somerville, MA, with additional offices located in Germany, Hungary, Singapore, and Israel. We have been recognized as a Global Innovator by the World Economic Forum, a recipient of the 2024 Deloitte Technology Fast award, and a finalist among Energage’s Top Workplaces USA, alongside being listed in Built In Boston’s “Best Places to Work” and “Best Midsize Places to Work.”

Opswat is hiring a Senior .NET Engineer with a focus on AI technologies in Veszprém, Hungary. This position centers on developing new features and solutions for cybersecurity products, applying both .NET and artificial intelligence expertise. Role overview This role involves building and improving software that strengthens Opswat’s cybersecurity offerings. The position calls for hands-on work with AI-driven components, contributing to projects that aim to address evolving security challenges. What you will do Develop and maintain .NET-based software with integrated AI features Collaborate with team members to deliver solutions that improve product capabilities Contribute to projects that support the security needs of clients and the wider industry Requirements Professional experience with .NET development Background in artificial intelligence technologies Interest in cybersecurity and building impactful solutions

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.

Join Our Innovative Team At Betsson Group, we are on the lookout for a skilled AI Engineer who is ready to create top-tier applications and solutions. In this role, you will design and develop cutting-edge AI solutions, context systems, and AI Agents, while also maintaining and enhancing our diverse range of AI products. Engage in research on advanced models and work alongside our product and architecture teams to deliver high-performance services enjoyed by millions of players. This is your chance to leverage state-of-the-art technology and contribute to world-class products. Your Role and Responsibilities: Focus on developing and maintaining modular and reusable systems while exploring new technologies to enhance our offerings. Participate in design discussions, troubleshoot complex challenges, and contribute directly to our codebase. Play an integral role in fostering a collaborative and high-performing team culture, including code reviews and supporting fellow engineers and tech leads. Requirements: Demonstrated experience in developing and delivering production-ready AI applications. Strong technical foundation in Generative AI, Large Language Models (LLMs), and Prompt Engineering. Experience in building context systems utilizing RAG, Vector Stores, and MCP. Proficient in developing AI Agents using frameworks such as LangGraph and LangChain. Experience in mentoring or leading engineers in a technical capacity.

This position is based in Budapest, Hungary. We embrace a hybrid work model, with in-office attendance required for 3 or more days each week. Tulip is at the forefront of AI-native frontline operations, empowering organizations globally with composable, interconnected applications that enhance work quality, drive efficiency, and provide comprehensive traceability in operations. Our cloud-native, no-code platform, enhanced by integrated AI, is revolutionizing industrial environments through user-centric, composable solutions that transcend traditional Manufacturing Execution System (MES) frameworks. Originating from MIT, Tulip is headquartered in Somerville, MA, with additional offices in Germany, Hungary, Singapore, and Israel. We have earned accolades as a Global Innovator from the World Economic Forum, a 2024 Deloitte Technology Fast award recipient, and one of Energage’s Top Workplaces USA, as well as being recognized by Built In Boston as one of the “Best Places to Work” and “Best Midsize Places to Work.”

Join ABBYY and become part of a dynamic team that values your individual work style. Our flexible work arrangements, supportive colleagues, and recognition of your contributions allow you to focus on what truly matters – your personal growth and our collective success.We are committed to principles of respect, transparency, and simplicity, ensuring you can trust us to consistently make ethical decisions.As a reliable partner in tailored AI and intelligent automation, we tackle intricate challenges for our enterprise clients, transforming their information into actionable insights to revolutionize their operations. Trusted by over 10,000 customers, including numerous Fortune 500 companies, you will enhance a portfolio that includes renowned names such as DHL, Johnson & Johnson, FDA, DMV, PwC, KeyBank, Spotify, and H&R Block.ABBYY Vantage stands as our premier Document AI platform – a cloud-native, microservices-driven solution integrating purpose-built AI, OCR, NLP, and direct LLM functionalities to enable enterprise clients to extract, classify, and utilize data from any document. The latest release, Vantage 3.0, features native Azure OpenAI integration, enterprise-grade compliance and redaction, real-time analytics dashboards, and an expanding collection of pre-configured AI capabilities. Over 10,000 companies, including industry leaders like DHL, Johnson & Johnson, FDA, PwC, KeyBank, Spotify, and H&R Block, rely on ABBYY to streamline their most challenging document workflows.We are seeking a Senior Software Engineer to join our Vantage engineering team. In this hands-on role, you will contribute to the development and enhancement of the services that empower Vantage's document AI functionalities – ranging from OCR pipelines and skill training workflows to API integrations and analytics infrastructure. You will leverage your strong engineering principles, a quality-first approach, and a commitment to delivering reliable, scalable software within a cloud-native framework.

At Cision, we are committed to empowering individuals to make a significant impact. Your voice will be valued, your ideas cherished, and your unique viewpoint will drive our shared success. As a member of our global team, you will flourish in an environment that promotes curiosity, collaboration, and innovation, all while contributing meaningfully to the brands we enhance. Join us in revolutionizing communication and fostering authentic relationships that matter. Whether you are tackling complex challenges or pioneering bold innovations, your development is our success, and together, we’ll create the conversations of the future. Empower your impact at Cision. Be seen, be understood, be you. You will work closely with product, design, technology, and data science teams, becoming an integral part of the backend platform team to develop new backend services, processes, and components while enhancing existing ones.You will take a leadership role in reviewing code changes within your team and provide constructive feedback to uphold quality and best practices. You will actively assess technologies for applications and offer recommendations that align with team and product requirements.You’ll mentor engineers of varying experience levels, sharing your expertise in code maintainability, performance, reliability, observability, security, and functionality. With a solid grasp of the tech stack and Software Development Life Cycle (SDLC), you will make significant contributions to project success and team productivity. You may serve as a subject matter expert (SME) within the engineering organization, delivering insights to cross-functional teams. Essential Duties and Responsibilities include the following:Develop and own solutions that add value across systems while managing technical debt.Collaborate closely with engineers, product owners, and other stakeholders to align on optimal solutions that meet product objectives.Lead in fostering a Test-First mentality and emphasize quality at the code level.Help translate complex product requirements into clear, actionable technical tasks.Stay informed about technology trends and product roadmaps, providing strategic guidance to the development team.Actively support cross-functional business processes, facilitating collaboration and communication.Work with other senior-level stakeholders to ensure adherence to best practices.

OPSWAT offers a Software Engineering Internship in Veszprém, Hungary. This role provides practical experience in software development, with a focus on cybersecurity solutions. Role overview Interns collaborate with experienced engineers to design, implement, and test software. The work centers on projects that contribute directly to OPSWAT’s cybersecurity products. What you will do Participate in real-world software development projects Develop programming and problem-solving skills Work as part of a team to deliver software solutions Who should apply Students or recent graduates interested in technology Those eager to build experience in software engineering Individuals looking to start a career in tech

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.

Join our innovative team as a Senior Software Engineer at Marshmallow, where you will be instrumental in designing and implementing cutting-edge software solutions. You will collaborate with cross-functional teams to enhance our platform and deliver exceptional user experiences.

Join a prominent global consulting and professional services firm dedicated to large-scale enterprise transformation initiatives. Our team is at the forefront of AI integration across key business functions, empowering a major international software company to fully embrace a data-driven approach.As an AI Engineer, you will work within a diverse, international team to deliver enterprise-level AI solutions that revolutionize operations within Finance, Procurement, and HR sectors. The primary focus will be on practical deployment—designing, constructing, and scaling production-ready AI systems utilizing contemporary cloud and engineering methodologies.Key Responsibilities:Architect, develop, and launch AI and generative AI (LLM-based) solutions from initial concepts to full-scale enterprise applications.Establish and sustain scalable data pipelines and model deployment workflows.Create backend services and APIs for AI-based applications (e.g., FastAPI, Flask).Implement CI/CD and MLOps methodologies to automate model training, testing, and deployment processes.Develop and integrate multi-agent and LLM-based systems into existing business workflows.Guarantee the reliability, scalability, observability, and compliance of deployed solutions.Collaborate closely with product owners, data scientists, and architects to effectively translate business requirements into technical solutions.Promote engineering excellence and mentor junior team members as necessary.Qualifications:Bachelor's degree in Computer Science or a related discipline.Proficient programming skills in Python (Java is also acceptable).Experience with backend frameworks (FastAPI, Flask, Django, or similar).Hands-on experience with Docker and Kubernetes.Familiarity with CI/CD and MLOps pipelines.Cloud technology experience (Azure, AWS, or Databricks).Background in data processing, ETL pipelines, and APIs.Understanding of distributed systems and large-scale data platforms.Excellent communication skills in English.A proactive, solution-oriented mindset with a strong sense of ownership.Preferred Skills:Experience with generative AI or LLM frameworks (e.g., LangChain, CrewAI).Familiarity with enterprise platforms such as SAP AI Core or SAP BTP.Experience in Agile environments (Scrum, SAFe) and tools like Jira.Benefits:Engage in transformative AI projects at a significant scale.Work with a modern tech stack and cutting-edge AI technologies.Collaborate in an international and supportive work environment.Enjoy a hybrid working model.Access continuous learning and professional development opportunities.Receive a competitive compensation package with standard corporate benefits.Be part of a team culture that prioritizes quality and innovation.