About Toloka AIAt Toloka AI, we are at the forefront of developing data that drives advanced Generative AI models and innovations. Collaborating with top-tier labs, major tech companies, esteemed AI startups, enterprises, and non-profit research organizations globally, we harness the power of a unique blend of expertise, community, and technology. Our team comprises specialists from over 50 different fields, including medicine, law, physics, and engineering, backed by one of the most diverse global crowds, representing over 100 countries and communicating in more than 40 languages.We are a well-capitalized startup with an impressive portfolio of clients, including Anthropic, Amazon, Microsoft, poolside, Recraft, and Shopify. Recently, we secured strategic investment from Bezos Expeditions, joined by Mikhail Parakhin, CTO of Shopify and a board advisor to leading Generative AI companies, who now serves as our Chairman. Our remote-first team is globally distributed, with members in the USA, UK, Netherlands, Israel, Czech Republic, Serbia, and more, with our headquarters based in Amsterdam.Our VisionWe believe that the future of work hinges on effective collaboration between humans and AI rather than relying on fully autonomous systems. This belief drives the development of Tendem AI—the first hybrid AI-human agent designed to streamline knowledge work. By integrating client requests with an AI workflow overseen and fine-tuned by human experts, we deliver high-quality outcomes. Tendem offers the swift efficiency of AI alongside the reliability and accountability of seasoned professionals.

Join Us at Xebia!At Xebia, we are a community where experts thrive. With nearly 20 years of experience, we have been delivering innovative digital solutions to clients across various industries globally. Our esteemed partners include major brands like UPS, McLaren, Aviva, Deloitte, and many others.Our enthusiasm for Cloud-based solutions drives us forward, highlighted by our partnerships with the industry's leading Cloud service providers: Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). Notably, we were the first AWS Premier Consulting Partner in Poland.Previously known as PGS Software, we became part of the Xebia Group in 2021, a network of interconnected companies committed to making a significant impact in technology.Xebia represents innovation, a talented team, and unparalleled technological excellence. We are recognized globally and provide thought leadership, allowing us to engage in groundbreaking projects.Our mission can be summarized in one word: Authority. We aim to be acknowledged as the leading authority in our areas of expertise.What sets us apart? It's our attention to detail, our commitment to knowledge, and our belief in the potential of our people, fostering the growth of every team member. We invite you to visit us to experience our culture firsthand!If you don't find a suitable role on our website, we encourage you to submit your CV. We'll reach out if a role matching your skills and experience becomes available. You can express your interest in specific positions through our form.

Exciting Opportunity for a Remote Front End DeveloperJoin our innovative team at nrb as a Front End Developer, where you will play a crucial role in crafting outstanding user experiences for our applications. We are on the lookout for a passionate individual who possesses a strong foundation in modern web technologies.Key Responsibilities include:Utilizing your expertise in Angular and TypeScript to develop high-quality user interfaces.Implementing Angular Material components to enhance the user experience.Applying basic DevOps practices to streamline code delivery and manage pipelines.Knowledge of the Commission eUI framework and familiarity with Kubernetes or containers is a plus.This role offers the opportunity to work on both legacy and new applications, providing a diverse and engaging work environment. We value hands-on developers who are committed to coding rather than focusing solely on management or architectural duties.Eligibility for EU security clearance is a requirement.

We are continuously in search of creative talent! Are you a Junior Graphic Designer (m/f/d) passionate about crafting visually stunning designs? We invite you to submit a speculative application. We keep exceptional candidates in mind and will reach out when the right opportunity arises. Discover how your skills can make a significant impact at Marketing.MBA:Marketing.MBA, part of the Creator Group, is more than just a marketing agency – we are the architects of market leaders. Our mission is to elevate companies to the pinnacle of their industry and secure their dominance. Through proven strategies and innovative methodologies, we have transformed aspiring entrepreneurs into #1 leaders in their fields.Our creative concepts are not only unique but also customized to meet the specific needs of each client. This approach has repeatedly demonstrated the effectiveness and sustainability of our methods.By joining Marketing.MBA, you’ll become part of a dynamic team that is committed to achieving the best results for our clients. You’ll have the chance to work on exciting projects, enhance your skills, and contribute significantly to the growth of our agency.We eagerly anticipate the opportunity to connect with you through a speculative application and collaborate in shaping the future of marketing.Why You Will Love Working With Us:Become a part of the future of market leaders: Play an active role in helping companies secure their industry leadership and market presence.Innovative environment: Enjoy a creative atmosphere that encourages new ideas and approaches.Learn from the best: Collaborate closely with seasoned marketing professionals and enhance your knowledge through top-notch training opportunities.

KEYES, based in Brussels, has over three decades of experience working with EU Institutions. The company connects clients with professionals for international digital transformation projects, including solution modernization, digital workspaces, cloud technologies, and IT security. KEYES operates across several European cities, including Luxembourg, Amsterdam, Athens, Stockholm, and Geneva. This part-time, freelance position focuses on supporting a client’s innovation and research through strong data governance. The Senior Data Governance Consultant will work primarily remotely, helping to implement and enhance corporate governance and internal policies, particularly in the context of AI governance and EU Institution standards. What you will do Assess and improve the client’s Data Governance Framework, including principles, roles, decision rights, and supporting documentation. Review and update the Data Management Strategy, with attention to operating models, roadmaps, and key initiatives for the coming months and years. Encourage and support the adoption of governance practices throughout the organization. Focus areas The Data Governance Framework includes six core elements: principles and policies, leadership and communication, quality management, metadata management, master data management, and privacy and security. The consultant will help reinforce these areas to ensure effective governance. Engagement details Start date: Early June 2026 Part-time: 3 days per week, with a long-term outlook Work remotely from any EU country (freelance/B2B contract), with up to 2 days per month of travel to Luxembourg as needed

Join ruby-labs as an AI Engineer and contribute to innovative projects that leverage artificial intelligence to solve complex challenges. We are looking for a passionate individual who is eager to work with cutting-edge technologies and collaborate with a diverse team of professionals.Your role will involve designing, implementing, and optimizing AI models and algorithms. You will have the opportunity to work on real-world applications and make a significant impact within the company.

Join Zartis as a Senior Software Engineer focused on green energy solutions:At Zartis, we are dedicated to delivering cutting-edge digital solutions across various sectors, including financial services, MedTech, media, logistics, renewable energy, EdTech, and e-commerce.As a part of our dynamic engineering teams located in EMEA and LATAM, you will collaborate with talented professionals to enhance application development, software architecture, CI/CD, business intelligence, QA automation, and technology integrations.In this role, you will join the API Platform team, where you will develop and maintain crucial components of a retail energy platform. Your responsibilities will include creating a high-performance GraphQL API and an event gateway to ensure efficient, low-latency data access for our global clients in the energy sector.We value collaboration and encourage an inclusive culture where teamwork thrives. You will engage in agile practices, address complex challenges, and utilize Infrastructure as Code (IaC) for managing Kubernetes deployments.

Join Our Team!At Ruby Labs, we are at the forefront of technology, creating and managing groundbreaking consumer products that redefine the way we engage with health, education, and entertainment. Our dynamic and innovative teams are shaping the future of consumer-centric solutions. If you’re passionate about technology and eager to make an impact, we invite you to explore our story here.Your RoleWe are seeking a talented Senior Backend Engineer who will be instrumental in designing, developing, and scaling the backend systems that support our AI product Use.ai. This position offers significant ownership and the opportunity to tackle complex distributed systems challenges, while ensuring the delivery of features and infrastructure excellence. Collaborate closely with our development team to maintain high standards of quality and alignment across projects.Key ResponsibilitiesDevelop and implement new backend features with an emphasis on scalability, performance, and reliability.Optimize and enhance existing services and infrastructure.Design, deploy, and manage backend services across AWS, Cloudflare, and other platforms.Utilize tools like Sentry and OpenTelemetry for monitoring and observability improvements.Address and resolve production issues within distributed systems.Write clean, maintainable code that adheres to SOLID principles and best practices.Lead investigations into incidents, perform root cause analyses, and enhance system reliability.Contribute to architectural decisions, documentation, and infrastructure planning.Foster open communication and uphold a culture of ownership and delivery.

About Thrill LabsAt Thrill Labs, we are not merely developing a gaming company; we are crafting a global phenomenon. As the pioneering force behind Thrill.com, an innovative crypto gaming platform set to launch shortly, our mission is to create the world's most extraordinary gaming brand and deliver enchanting experiences to millions of users. Supported by a top-tier team, we are here to reshape the future of gaming.Position OverviewWe are on the lookout for several Senior Back End Software Engineers to bolster our rapidly expanding team. In this pivotal role, you will oversee the complete software development lifecycle, from defining product requirements and designing to testing and managing deployments.Your input will be vital in defining our product and architecture, ensuring high-quality outputs in an agile setting. This is a remarkable opportunity to engage in groundbreaking solutions and develop robust backend systems that underpin our platform.Key Responsibilities:Design, develop, and maintain scalable and efficient software solutions that resonate with the company's vision.Collaborate with cross-functional teams to collect requirements and transform them into technical specifications.Diagnose and rectify technical issues.Lead architectural discussions and make informed technology choices to enhance system performance and reliability.Conduct code reviews to ensure compliance with best practices and coding standards.Qualifications:Over 7 years of software development experience, with a strong proficiency in Java/Kotlin and Spring.Experience in leading the design and implementation of large-scale software systems, with an emphasis on distributed systems.Familiarity with AWS.Experience in developing CI/CD pipelines.Excellent communication skills, able to articulate technical concepts to non-technical stakeholders effectively.Proficient command of English (minimum B2 level).Preferred Qualifications:Previous experience in iGaming or fintech sectors is a plus.

About UsRuby Labs is an innovative technology company dedicated to developing and managing cutting-edge consumer products that span the health, education, and entertainment sectors. Our dynamic teams are at the forefront of consumer-driven solutions, and we are on the lookout for enthusiastic professionals to join our journey. Discover more about our mission and vision at: https://rubylabs.com/about-us/About the RoleWe are seeking a Senior Full-Stack Software Developer to join one of Ruby Labs' portfolio companies. This role involves designing and implementing robust user interfaces utilizing pre-built component libraries. It is tailored for developers who excel in structured environments, have a knack for translating design specifications into efficient, scalable code, and are committed to creating seamless, user-friendly experiences. If you thrive in a results-oriented atmosphere and take pride in delivering intuitive, scalable UI without ambiguity in design, this position is for you.Key ResponsibilitiesFrontend DevelopmentCraft high-quality user interfaces with Next.js, React, and TypeScript, utilizing libraries like NextJS, HeroUI, and Tailwind CSS.Produce clean, scalable, and maintainable code, ensuring optimal performance and responsiveness across various browsers and devices.Develop and maintain reusable frontend components.Backend DevelopmentBuild robust backend services and high-quality applications using Node.js (with Nest.js).Write clean, efficient, and scalable backend code.Design and optimize database schemas and queries for performance and scalability.UI Implementation & Design IntegrationAccurately convert design wireframes and layouts into functioning frontend implementations.Maintain consistency, usability, and accessibility across all UI implementations.Enhance interfaces for maximum performance and user satisfaction.Collaboration & ProcessWork closely with cross-functional teams to ensure seamless project delivery and integration.

Constructor Group seeks a Private Butler to support a family office in the EU. This position combines traditional butler duties with modern lifestyle management. The role requires strong organizational skills, discretion, adaptability, and a commitment to high service standards. Daily Household and Family Support Oversee daily schedules and routines for the family. Maintain a high level of cleanliness and organization throughout the home. Coordinate with domestic staff and external service providers. Deliver excellent hospitality and service at all times. Wardrobe and Personal Management Organize and manage the family’s wardrobes and closets. Handle seasonal wardrobe rotations, inventory, and coordinate with dry cleaners and tailors. Assist with packing and unpacking luggage for trips. Prepare outfits and daily essentials for activities and events. Travel Preparation Assist with travel planning, including packing, checklists, and required documentation. Work alongside assistants and service providers to ensure seamless travel arrangements.

Constructor Group seeks a Private Butler to support a family office based in the EU. This position blends traditional butler duties with contemporary lifestyle management. Discretion, attention to detail, and a strong commitment to service are essential. The role requires flexibility and the ability to adapt to evolving needs. Main Responsibilities Daily Household and Family Support Coordinate and oversee daily family schedules and routines Maintain household presentation and organization Work closely with domestic staff and external service providers Deliver consistently high standards of hospitality and service Wardrobe and Personal Management Manage wardrobe and closet organization, including seasonal rotations and inventory tracking Arrange dry cleaning, tailoring, and clothing purchases Assist with packing and unpacking luggage for family members Prepare outfits and essentials for daily activities and events Travel Preparation Handle travel arrangements, including packing, checklists, and documentation Coordinate travel logistics with assistants Accompany the family on trips as needed

ruby-labs is seeking a Senior Growth Product Manager based in the European Union. This position centers on shaping product strategy and leading growth initiatives to strengthen the company’s market position. Role overview The Senior Growth Product Manager will focus on analyzing market trends and collecting customer insights. The goal is to identify opportunities that improve product offerings and increase user engagement. Success in this role depends on a strong understanding of both customer needs and competitive dynamics. Collaboration This role works closely with teams from different disciplines. Expect to partner with colleagues across product, engineering, design, and marketing to develop solutions that address user needs and support company growth. Key responsibilities Drive product strategy and growth-focused projects Analyze market trends and customer feedback Enhance product features to increase user engagement Collaborate with cross-functional teams to deliver new solutions

Ruby Labs is looking for a Growth Manager based in the European Union. This position focuses on developing and executing strategies to increase customer acquisition and expand market reach. Role overview The Growth Manager will shape and implement growth initiatives across various channels. The role involves analyzing data to spot new market opportunities and improve outreach efforts. Contributing to the company’s expansion, this position requires both creative thinking and strong analytical skills. What you will do Drive growth strategies to support business scaling Identify and evaluate new market opportunities Enhance customer acquisition through multiple channels Requirements Experience with growth strategy and customer acquisition Strong analytical and problem-solving skills Ability to work with cross-functional teams

Ruby Labs develops and manages consumer products spanning health, education, and entertainment. The company encourages teams to create new solutions for everyday challenges. More about the company’s mission can be found at https://rubylabs.com/about-us/. Role overview This Lead Senior Conversion Rate Optimization Manager position is based in the European Union. The main focus is to drive measurable improvements in conversion rates, with a specific target of achieving a 15% increase within one quarter. What you will do Own the entire conversion optimization process, starting from data analysis through to implementation. Create hypotheses and design high-fidelity mockups to test potential improvements. Collaborate closely with developers to ensure CRO initiatives are rolled out effectively. Take responsibility for performance outcomes, not just for making recommendations. Compensation Compensation is performance-driven. Significant financial rewards are available for those whose work delivers strong results.

Are you an experienced Engineering Manager ready to lead innovative projects in a dynamic and collaborative environment? At dualentry, we are seeking a passionate leader to join our remote team, where you will drive engineering excellence and foster a culture of continuous improvement.As an Engineering Manager, your responsibilities will include overseeing engineering teams, managing project timelines, and collaborating with cross-functional teams to deliver high-quality products. You'll play a pivotal role in mentoring engineers and ensuring the alignment of technical strategies with business objectives.

About ClickHouseRecognized on the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands out as one of the most innovative and rapidly expanding private cloud companies. With a robust customer base exceeding 3,000 and an annual recurring revenue (ARR) that has surged over 250% year over year, ClickHouse spearheads the market in real-time analytics, data warehousing, observability, and AI workloads.The company's continuous growth was recently confirmed by a $400 million Series D financing round. In the past three months, notable customers such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have embraced the platform or broadened their existing deployments. These clients join a distinguished roster of AI pioneers and global brands including Meta, Cursor, Sony, and Tesla.We are on a mission to revolutionize data usage for companies. Join us on this exciting journey!About the TeamThe Release Team is dedicated to the safe and continuous delivery of ClickHouse Cloud, a managed database platform hosting tens of thousands of ClickHouse clusters. We oversee the upgrades and maintenance of these clusters at scale, develop the internal tools necessary for efficiency, and serve as the final line of defense when challenges arise.About the RoleThis position offers a balanced focus on operational execution and software development. You will be responsible for the operational aspects: coordinating and executing upgrades, addressing edge cases that deviate from the standard processes, and ensuring the health of tens of thousands of clusters in production. Concurrently, you will be enhancing the systems that streamline future rollouts, making them safer and more automated. If you take pride in both crafting the playbook and executing it, including tackling the complexities, this role is tailored for you.What You'll DoPlan and implement rolling upgrades across tens of thousands of ClickHouse clusters, ensuring safety, accuracy, and minimal disruption to customers.Manage the complete release pipeline: from pre-upgrade validation and staged rollouts to post-upgrade monitoring and incident response.Investigate and resolve production issues as part of a regular on-call rotation, including handling unique clusters and edge cases that automation cannot address yet.Develop and enhance the internal tools and automation that ensure reliable and repeatable large-scale database operations.Collaborate closely with the core database and cloud infrastructure teams to identify operational challenges and transform them into solutions.Support and educate other engineering teams in utilizing our internal tools.

About Us:Zartis is a leading digital solutions provider specializing in technology strategy, software engineering, and product development. We collaborate with organizations across various sectors including financial services, MedTech, media, logistics technology, renewable energy, EdTech, and e-commerce. Our engineering hubs in EMEA and LATAM are home to a diverse group of skilled professionals driving business success and enhancing digital capabilities through application development, software architecture, CI/CD, business intelligence, QA automation, and cutting-edge technology integrations.We are currently seeking a Senior Software Engineer to join our team and work on an exciting project within the logistics sector.Project Overview:You will be joining a talented and diverse team dedicated to fostering an inclusive culture grounded in trust and innovation. As part of a distributed team, you will support a logistics leader that offers expert consulting, specialized software, and managed services (4PL) to streamline end-to-end logistics operations.We are looking for a candidate with strong communication skills, a proactive approach, and a solid background in building software from the ground up while maintaining attention to detail.Your Responsibilities:Design and develop backend components that serve as the foundation of our digital products, utilizing Java and Spring Boot as your primary toolkit.Implement and maintain well-structured RESTful APIs, adhering to best practices in API design to ensure reliability, clarity, and long-term maintainability.Engage in the complete software development lifecycle from ideation and implementation to testing and deployment, taking ownership of clean, efficient, and maintainable code.Collaborate closely with frontend, DevOps, and QA teams to ensure seamless integration across systems and contribute to delivering a smooth, high-quality user experience.Participate in code reviews, share innovative ideas, and assist in evolving our engineering practices.

Join AppFollow, a leading App review management and ASO platform dedicated to empowering app developers and product teams.We aim to simplify the daily tasks of app developers, product managers, marketing teams, and customer support professionals. AppFollow enables the collection and management of app and game data, boosts app ratings, enhances store rankings, and fosters user loyalty.This fully remote opportunity is perfect for a Senior Backend Engineer eager to contribute to AppFollow's global expansion. You will work on the essential backend systems that facilitate user engagement with product data, ensuring quick and efficient access to diverse datasets, while supporting flexible analytics and reporting capabilities across various data types.Key Responsibilities- Enhance and optimize the core backend functionalities of the AppFollow platform.- Develop and maintain systems for user interaction with product data.- Design and implement a source-agnostic data storage layer that ensures efficient, rapid, and dependable data delivery to users.- Create and support systems that generate insights from various customer and product data, including ratings, reviews, and other data sources, emphasizing customizable reporting.- Develop and support internal and public APIs for core data entities, adhering to API-first principles.- Design, build, maintain, and document a reliable, secure, efficient, and scalable codebase.- Collaborate with other developers to design and enhance the overall system architecture.- Engage with legacy services.- Work with the Platform team to deploy applications across various environments, ensuring smooth operations while adopting established standards and practices.Your Profile - 5+ years of experience in backend development with a strong focus on scalability and performance.