Senior Machine Learning Engineer II

About Our TeamThe Global Operations team at SumUp is dedicated to creating an unparalleled customer experience in the fintech sector, with artificial intelligence at its core. As a vital member of our AI team, you will bridge machine learning engineering and tangible product impact, developing models and systems that enhance intelligent customer support for …

Job Summary:We are seeking a dynamic and experienced CRM Team Lead to join our innovative FinTech company. This role focuses on overseeing the CRM back-office team, effectively distributing and monitoring daily tasks, and ensuring the seamless execution of operational processes with precision and timeliness. The ideal candidate will possess prior experience in people management within a back-office setting, demonstrate exceptional organizational skills, and have a track record of maintaining high-quality standards in a fast-paced environment.Team Supervision & Task Management:Lead and mentor the CRM back-office team on a daily basis.Delegate tasks efficiently, monitor workload, and ensure the timely completion of assignments.Evaluate individual and team performance, ensuring compliance with internal processes and KPIs.Provide constructive feedback and ongoing support to team members.Assist in the onboarding and training of new hires.Guarantee the accurate execution of CRM and back-office processes.Oversee quality, consistency, and compliance of CRM-related activities.Identify operational challenges and suggest enhancements to workflows and procedures.Act as the primary escalation point for operational or team-related issues.Coordination & Reporting:Collaborate with various internal departments (Sales, Compliance, Payments, Customer Support).Clearly communicate priorities, updates, and changes to the team.

About the Role Ocado Group’s Mobile Fulfilment Systems team in Sofia, Bulgaria builds automation technology for online order fulfilment in retail and warehouse settings. The group combines distributed backend systems, mobile apps, and autonomous mobile robots to support rapid, scalable, and cost-effective order processing. This position sits within the In-Store Fulfilment (ISF) division. The team focuses on designing and developing cloud-based systems, progressive web apps, and web technologies that automate online order fulfilment at scale. About In-Store Fulfilment (ISF) ISF is a cloud-based platform that helps retailers efficiently fulfil online orders, improve the customer experience, and reduce operational costs. The system is live in over 1,000 stores across 11 countries and 4 continents. Each week, it manages more than 300,000 customer orders, covering every stage from routing and cubing to picking, buffering, loading, and dispatching. What You Will Do Architect, develop, and maintain large-scale distributed systems with high availability. Lead technical projects from initial planning through design and delivery. Apply best practices in testing, code quality, monitoring, and alerting to ensure reliable solutions. Shape the long-term architectural and product direction for the team. Integrate AI tools such as Claude Code, Gemini, and others into backend systems. AI and Engineering Focus AI is already part of the software development process at Ocado. The team is growing its AI capabilities and welcomes backend engineers with hands-on experience or a strong interest in AI. This role offers the chance to advance AI initiatives while contributing to core engineering projects.

Speechify seeks a Senior Software Engineer in Sofia, Bulgaria to focus on core product experiences. This position plays a central role in shaping how users interact with Speechify’s technology, with a strong emphasis on product functionality and performance. Key responsibilities Work closely with other engineers to develop and refine important product features Use modern technologies to improve the user experience Deliver solutions that boost product reliability and efficiency Role impact Engineers in this role influence the quality and direction of Speechify’s platform. The work sets standards for both user experience and technical innovation throughout the company’s products.

Role Overview Louis Dreyfus Company is hiring a Senior Pricing Middle Officer in Sofia. This position plays a key part in shaping pricing strategies and supporting business decisions that drive profitability. The Senior Pricing Middle Officer works closely with internal teams to analyze market data and recommend pricing approaches. What You Will Do Analyze market trends to inform pricing decisions Develop and refine pricing strategies for various products or services Collaborate with colleagues across departments to optimize pricing processes Support efforts to improve operational efficiency and profitability through data-driven recommendations What We Look For Strong analytical skills and experience with pricing or financial analysis Ability to interpret market data and translate findings into actionable strategies Comfort working with cross-functional teams Previous experience in a similar role is an advantage

Role Overview Lifted An Upwork Company is hiring a Senior Web Software Engineer in Sofia. This position focuses on building and maintaining web applications that meet high standards for quality and user experience. The role involves hands-on design, implementation, and ongoing support of web projects. What You Will Do Design and develop web applications from concept through deployment Implement features that improve usability and performance Maintain and update existing web solutions as requirements evolve Collaborate closely with team members to deliver reliable results What We Look For Strong experience with web development technologies Commitment to writing clean, maintainable code Ability to work well with others and share knowledge Focus on delivering a smooth, effective user experience

NielsenIQ is seeking a Junior Data Specialist based in Sofia. This entry-level role centers on practical experience in data analytics, with a focus on supporting business decisions through data work. Responsibilities Assist experienced team members in collecting and processing data Analyze datasets to identify patterns and insights Contribute to interpreting results that guide strategic decisions Who Will Thrive Here This position is a good match for those interested in developing data analytics skills while working closely with a collaborative team.

Role overview Renesas Electronics Corporation is hiring a Global Technology Liaison in Sofia. This position focuses on connecting the company’s Semiconductor R&D teams with academic partners around the world. The role centers on building and maintaining strong relationships between internal research groups and external universities or research institutions. What you will do Facilitate collaboration between Renesas R&D teams and academic researchers. Identify and develop opportunities for joint research projects and technology exchange. Support innovation by sharing insights and coordinating efforts across global partners. Location This role is based in Sofia.

Atlean World is a pioneering HR SaaS consultancy dedicated to fostering multicultural workplaces as the new norm. Our expertise lies in multilingual recruitment, ensuring that candidates have a seamless and enjoyable hiring process.Your Opportunity Awaits Beyond Borders!Join us for an exceptional work experience in Sofia as a Czech Online Community Specialist.Why the Online Community Specialist role is pivotal for your growth:Experience life in Sofia while immersing yourself in diverse cultures.Represent a leading global brand known for its Short-Form Video Platform and Viral Content Hub.Accelerate your career development with fast-tracked opportunities.Your Daily Tasks Will Include:Providing training on a dynamic and innovative social media platform that empowers users to create and share short videos on trending topics.Embrace Your Role as:A Problem-Solving ChampionA Product/Service Detective

Atlean World is a pioneering HR SaaS consultancy dedicated to fostering multicultural environments as the new standard. We excel in multilingual markets, ensuring that candidates enjoy a seamless and engaging recruitment experience.Your Next Job Awaits Without Boundaries!Join us for an exceptional onsite work experience in Sofia, where you will take on the role of a Swedish Client Happiness Consultant. Why the Client Happiness Consultant role is a fantastic opportunity for your career growth:Live in Sofia and immerse yourself in diverse cultural experiences.Represent a globally recognized brand.Accelerate your career development in a supportive environment. Your Daily Responsibilities Will Include:As a specialist, you will undergo comprehensive training on our products/services and will be expected to:Assist customers with inquiries and resolve their issues.Guide customers on optimizing their use of our products/services.Maintain exceptional quality standards in every case you manage.Requirements for Success:What skills and qualifications will help you thrive in this position?Language Proficiency: Fluent in Swedish and at least B2 level in English.Tech Enthusiast: A keen interest in the latest technological trends.Customer Service Experience: Previous experience is advantageous.Exceptional Communication Skills.Strong Empathy and Understanding for customer needs.Benefits:Welcome Bonus plus Performance Bonus.Relocation Package includes:Pick-up service at the airport.Airfare coverage.Accommodation for up to 21 days in a hotel/apartment.Additional accommodation allowance of 300 BGN gross per month on top of salary.Make Your Next Move Without Boundaries!

Join Mercier Consultancy as a Hungarian-Speaking Customer Service Representative and become an integral part of our Client's Subscription-Based Services team. In this dynamic position, you will deliver outstanding support to our Hungarian-speaking customers, addressing their subscription-related inquiries to ensure a smooth and pleasant user experience.Your proficiency in Hungarian will be crucial as you assist clients with account management, troubleshoot issues, and share insights about service features and advantages. Your commitment to providing high-quality service will be key in enhancing customer satisfaction and loyalty.Key Responsibilities Provide exceptional customer service in Hungarian through various communication channels, including phone, email, and chat, focusing on subscription inquiries. Guide customers through account management, payment processes, and subscription adjustments. Resolve customer complaints and inquiries professionally and efficiently. Accurately document all customer interactions within our CRM system. Work collaboratively with internal teams to tackle complex customer issues and improve service quality. Collect and analyze customer feedback to drive service enhancements. Stay informed about evolving trends in subscription-based services and the industry at large.

Part-Time Sports Event AnalystAt Genius Sports, we are redefining the sports experience for fans globally by merging cutting-edge technology with unparalleled live data. Our mission is to create immersive, interactive, and personalized experiences that elevate sports engagement to new heights. Discover more about us at geniussports.com.THE ROLE:Become a vital part of the Genius team, empowering sportsbooks with real-time data, expert services, and fan-centric experiences that enhance global engagement.As a Sports Event Analyst, you'll be at the forefront of action—monitoring live matches across various sports and ensuring real-time updates of scores and statistics. From football and basketball to tennis and volleyball, you will track games, input crucial data into our systems, and maintain our sports coverage to be fast, accurate, and trustworthy.

Join our dynamic team at Louis Dreyfus Company as an Entry Level Master Data Analyst. This exciting opportunity allows you to contribute to our data management processes, ensuring the accuracy and integrity of our master data across various platforms.In this role, you will be responsible for assisting in the organization and maintenance of our data systems, collaborating with cross-functional teams to support data-driven decision-making. Ideal candidates are detail-oriented, possess strong analytical skills, and have a passion for data.

Join Bosch Home Comfort Group as an HVAC Sales Representative, where you'll play a pivotal role in promoting our innovative heating, ventilation, and air conditioning solutions. You will be responsible for driving sales and building strong relationships with clients to ensure their comfort needs are met.

Join the Louis Dreyfus Company as an EMEA Indirect Tax Specialist, where you will play a crucial role in ensuring compliance with indirect tax regulations across the EMEA region. This position offers an exciting opportunity to work with a dynamic team and contribute to our tax strategy.

Join Louis Dreyfus Company as a Commodity Analyst with German. In this role, you will leverage your analytical skills to support our commodity trading operations while utilizing your proficiency in the German language. You will analyze market trends, assist in risk management, and contribute to strategic decision-making processes.

Join NielsenIQ as a Senior Data Scientist, where you will leverage your expertise in data analysis and modeling to derive actionable insights from complex datasets. Collaborate with cross-functional teams to drive data-driven decision-making and enhance business strategies. You will be instrumental in developing innovative solutions that meet client needs while contributing to our mission of delivering valuable insights to businesses worldwide.

Louis Dreyfus Company is looking for a Learning and Development Specialist to join the team in Sofia, Bulgaria on a maternity cover basis. This role supports the EMEA region and focuses on building effective learning programs for employees. Role overview The Learning and Development Specialist will design, deliver, and assess training initiatives that help employees grow their skills. The position plays a key part in supporting organizational goals by ensuring staff have access to relevant and impactful learning opportunities. What you will do Create and implement learning programs tailored to employee needs across the EMEA region Evaluate the effectiveness of training sessions and make improvements as needed Develop engaging content using adult learning principles and up-to-date training methods Facilitate workshops and support a culture of ongoing development Requirements Experience in learning and development or a related field Strong understanding of adult learning theories and training methodologies Ability to design and deliver engaging training content Enthusiasm for supporting continuous learning within an organization

Ocadogroup is looking for a Fixed Assets, Projects & Leases Accountant based in Sofia, Bulgaria. This position centers on managing fixed asset accounting, project accounting, and lease management processes. Role overview The role involves working closely with different departments to ensure assets are capitalized correctly and depreciation is calculated accurately. Compliance with relevant accounting regulations is a core responsibility. Attention to detail and a collaborative approach are important for success in this position. Key responsibilities Oversee fixed asset accounting, including capitalization and depreciation Manage accounting for ongoing projects Handle lease management processes Ensure compliance with applicable regulations Work with other teams to support accurate financial records Impact This role helps streamline financial processes and supports the delivery of clear financial reporting on fixed assets and projects. The work contributes directly to the financial stability and transparency of Ocadogroup.

As part of the global technology organization TietoEVRY, MentorMate specializes in crafting robust technical solutions that facilitate large-scale digital transformation. Our approach integrates strategic insights, innovative design, and exceptional engineering to create advanced applications. With a strong foundation in enterprise web and mobile development, quality engineering, technical architecture, human-centered design, cloud computing, DevOps, data management, and analytics, we empower our team to engage in significant global projects for well-known brands. We appreciate every team member and celebrate our collective achievements through flexible work arrangements, competitive compensation and benefits, and excellent career advancement opportunities within our extensive international team.Role OverviewWe are in search of a skilled React Native Engineer to join our dynamic team and spearhead the development of high-quality mobile applications. You will be instrumental in designing and implementing scalable, efficient, and user-friendly mobile solutions utilizing React Native, with a strong focus on modern JavaScript (ES6+), state management, and clean architecture. This position is perfect for an individual who thrives in a collaborative atmosphere, enjoys tackling intricate challenges, and is dedicated to delivering impactful solutions.