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We're looking for a talented Backend Engineer to join our algo & ML team. You'll play a pivotal role in enhancing the search experience for 10s of millions of users worldwide, designing and implementing advanced algorithms that make our platform more intuitive and effective.
What am I going to do?
Develop and optimize the core retrieval systems that form the backbone of our search architecture, focusing on enhancing the recall and precision of search results.
Utilize technologies like Elasticsearch, Lucene, Vespa, and machine learning models to build scalable search retrieval systems solutions that form the primary source for our search platform.
Work closely with data scientists, product managers, and fellow engineers to integrate machine learning models and algorithms.
Use search metrics such as nDCG, MRR, and user behavior analysis to pinpoint improvements, and conduct rigorous A/B testing and online experiments to validate changes and assess their impact.
Address complex business challenges related to retrieval by breaking them down into manageable components, conducting in-depth research, and pioneering innovative features for search retrieval.

Step into the role of Senior Developer and help us build innovative solutions that solve challenging technical problems and drive our products to the next level. Youll work hands-on with cutting-edge technologies, architect scalable systems, and collaborate with a like-minded team that values clean code, creativity, and continuous improvement. Your impact will be felt across the entire stack, whether youre optimizing performance or designing robust features that align with our long-term vision. Were all about growthyours and oursand youll have the autonomy, resources, and support to sharpen your skills and bring bold ideas to life. If youre ready to leave your mark and level up both in your craft and career, we want to build it with you.
What you'll be doing
Design and lead complex features for both Android and iOS
Integrate multiple third-party ad networks
Work closely with our server teams to define and build our next-generation solutions
Take part in product definition by working with our product managers

We are seeking a highly skilled Technical Lead to own regulatory compliance aspects within our software development lifecycle, along with the detection, evaluation, and management of open-source initiatives across the organization. This role sits within the CTO office and reports directly to the Director of Architecture.
What am I going to do?
Regulatory Compliance:
Own and oversee technical compliance with key regulatory frameworks including GDPR, SOC2, and privacy/user safety regulations.
Work closely with development and product teams to ensure software development processes and products meet regulatory standards.
Proactively identify compliance risks and recommend solutions.
Facilitate audits and assessments by providing detailed documentation and evidence.
Open Source Management:
Identify opportunities within the organization to develop and release software as open source.
Manage and oversee licenses for open-source software developed by the company, ensuring compliance with legal and regulatory standards as well as company IP requirements.
Take responsibility for open-source creation and release lifecycle, including quality and standards validation, versioning, release management, feedback collection, contribution and attribution management, documentation management, and public announcements.
For each open-source initiative, maintain a clear and public roadmap aligned with our companys goals and objectives.
Maintain and cultivate the community surrounding our companys open-source projects, encouraging collaboration and contribution.
Develop strategies, process and tooling to efficiently manage open-source project lifecycles.
Technical Leadership:
Serve as a hands-on technical expert, reviewing, validating, and participating in code contribution across multiple projects.
Provide mentorship to developers and promote best practices around regulatory compliance and open source utilization.
Engage with cross-functional teams to advocate and implement secure and compliant technical architectures.

we are looking for an outstanding and passionate full stack developer to join our team where you'll have the opportunity of:
True Full-Stack Ownership - Design, build, test, deploy and innovate across the entire technical stack.
Startup Energy, Enterprise Resources - Enjoy the nimble culture of a startup backed by global infrastructure.
Boundless Growth Potential - Thrive in a flat organizational structure where impact is king.
End-to-End Involvement - Participate in the full product lifecycle from concept to delivery
What you'll be doing:
Design, develop, and maintain scalable backend systems, written in Go, Ts & Python
Build and optimize data processing pipelines for large datasets using databricks
Contribute to architectural decisions and technology selection
Translate complex business requirements into technical implementations that create measurable value

We are seeking a highly skilled and experienced Staff Software Engineer to join our MLE-Backend group. The ideal candidate will have a strong background in distributed systems, data engineering and software engineering, and will be responsible for leading the design, development, and deployment of top quality data pipelines, data lake and an ML feature platform.
What you'll be doing
System Design and Architecture: Develop and maintain robust, scalable, and efficient distributed systems and data pipelines to help build the new generation of ironSource's ML feature platform.
Research and Innovation: Stay current with the latest advancements in machine learning data pipelines, feature stores, and apply innovative techniques to improve data aggregations, monitoring, cleaning & filtering and preparing for ML training.
Cross-Functional Collaboration: Work closely with data scientists, software engineers and product managers to build the data lakes and data pipelines.

Were looking for a Product Manager to lead our companys LLM Infrastructure - a foundational role driving the development of systems that enable smarter, AI-powered decision making across the marketplace.
As the PM for LLM Infrastructure, youll shape the capabilities that turn unstructured data into structured, explainable, and actionable insights. Youll work closely with ML engineers, data scientists, and product leaders to design scalable tools and frameworks that support use cases across personalization, matching, search understanding, trust and safety, and more.
Your mission will be to build reliable and extensible LLM-based systems that serve as core building blocks for future-facing product innovation.
What am I going to do?
Define the product vision and roadmap for our companys LLM infrastructure, aligning with long-term company strategy and cross-team needs.
Lead the development of scalable systems that extract meaning and structure from conversational and behavioral data.
Drive adoption of LLM capabilities across our company by building unified APIs, shared frameworks, and streamlined integration pipelines.
Partner with engineering, data science, and research teams to deliver high-quality infrastructure that powers AI-native product experiences.
Collaborate on system design and architecture decisions to ensure alignment between technical solutions and product scope.
Ensure reliability, scalability, explainability, and performance in all LLM-based systems.
Manage technical complexity and connect infrastructure efforts with clear business value.

Were looking for a Senior Product Manager to lead our companys Core Search product - one of the most critical engines powering our global marketplace. As the PM of Core Search, youll own the buyer search experience, search backend and algorithmic infrastructure, from retrieval algorithms to ranking, marketplace health and personalization frameworks. Your mission will be to ensure that every buyer finds the right seller - fast, relevantly, and fairly.
You'll work closely with search scientists, ML engineers, analysts and business stakeholders to build systems that scale, self-optimize, and constantly adapt to marketplace dynamics and business trends and econimics.
What am I going to do?
Take full ownership of our companys core search functionality - covering retrieval, ranking, scoring, relevance, diversity, and evaluation.
Lead the retrieval and ranking stack and guide development efforts that continuously improve search quality.
Own search relevance and business KPIs to continuously improve the quality, precision, and relevance of results - optimizing the buyer experience across different intents, use cases, and search products.
Define the long-term vision and strategy for our companys search infrastructure and set the strategic direction for all core search flows, ensuring alignment with our companys business goals.
Partner with engineering, data science, machine learning, BI, and fellow product leaders to deliver high-impact, search-driven experiences.
Stay at the forefront of search innovation by exploring trends in semantic retrieval, algorithmic fairness, LLM-augmented search, personalization, and AI-powered evaluation.

we are looking for a curious UX Researcher with a true passion for learning and understanding people's behaviors and needs, and a user-centric approach. With a keen eye for detail and a methodical approach to gathering insights, you'll play a pivotal role in shaping the future of our products. As a UX Researcher, youll conduct collaborative and independent research, analyze real user behavior, generate recommendations, and work with Product Designers, UX writers, Product Managers, and developers to improve our existing products and help take our company to the next level when planning and developing new features and products. You'll synthesize complex information into actionable insights, effectively communicating your discoveries to multidisciplinary teams.
This position is temporary, a replacement for maternity leave.
What am I going to do?
Plan and execute user studies including usability tests, user interviews, discovery studies, and more, with the goal of learning about and improving new and existing our company flows, features, and products.
Work closely with Product Managers, Product Designers, and UX Writers to assure an exceptional user experience across our companys platform.Your insights will bridge the gap between user needs and our product design strategies, fostering an environment of continuous improvement.
Gather, process, and present research data to a variety of stakeholders, offering conclusions and recommendations, aiming to influence product strategy and the user experience vision.
Initiate and implement processes and initiatives aimed to develop the culture and efficiency of our team. This includes developing and implementing UX research education and training programs, ensuring that our team stays at the forefront of UXR best practices and methodologies.
Contribute to the development and refinement of our companys UX research projects, integrating innovative research techniques and tools. Be a proactive advocate for user-centered design, guiding our product improvements with strategic insights and clear, practical recommendations.

Were looking for a technically skilled and AI-savvy Organic Growth Strategist to lead the discovery and execution of growth opportunities across the entire web, including Google and SEO.
This role blends strategic thinking, technical expertise, and AI integration, with the goal of increasing visibility across the web, social, and LLMs to maximize traffic.
As an AI Organic Growth Specialist, you'll design intelligent workflows and uncover high-leverage growth plays that scale organically. Youll help define the future of SEO and organic marketing in the AI era.
What am I going to do?
Spot Organic and SEO Growth Opportunities across various platforms (e.g., Google, LLMs, Facebook, Reddit, Quora, podcasts, community forums, etc.)
Build workflows that automate growth tasks using AI tools and agents.
Lead experiments combining SEO, content, community, or other non-paid channels.
Design and manage AI agents or any other technical solution to execute discovery, outreach, content, and monitoring tasks at scale.

We are looking for a talented Payroll Specialist to join our accounting operations team in Israel! Come join and be a part of a global Payroll team. You will be responsible for payroll process in Israel serving as the main point of contact and subject matter expert for all payroll-related matters. We are looking for a strong operational leader that has a strong background in payroll operations, country regulations and compliance, and process improvement.
youll make a difference. In a collaborative, fast-growing environment, were redefining development, solving hard problems, and enabling the success of our community. Inclusion is driven by one overarching framework: Empathy, Respect, and Opportunity
What you'll be doing:
Prepare and manage the entire payroll process for Israel employees end-to-end, ensuring accuracy, timeliness and compliance with relevant regulations
Collect and update data in the payroll system including employee offboarding, new hires, pension plans, employee benefits
Monitor and control employee attendance records.
Handle regulatory Compliance reporting: responsibility for generating all required reports to authorities, including forms 101, 102, 106, 161, and 126
Act as a point of reference for employee payroll queries, maintaining a high degree of service and confidentiality
Collaborate with external auditor to ensure compliance during audits related to payroll operations

The Creative Producer will be part of the creative producers team with a unique blend of creativity and analytical insight. You will play a critical role in driving the success of our games through innovative and data-driven marketing strategies. We constantly challenge ourselves to keep learning, and we look forward to welcoming more passionate people to our team, interested in understanding the experience behind the numbers and pushing creative ideas to new heights.
What you'll be doing
Overview and Optimize the ideation process for our creatives in sync with other producers and designers.
Constantly explore new creative approaches and marketing trends to stay ahead.
Creative tests: Track the testing methodologies and constantly optimize to improve our process internally.
Collaborate with growth teams to successfully integrate high-performing creatives into primary campaigns.
Oversee market research activities to track industry trends and competitor activities. Utilize data insights to guide the team's creative decision-making process.
Visualizing creative test results for designers and Managers Partner effectively with our Creative and User Acquisition teams to help drive millions of users DAILY all around the world.
Analyze game performance data to identify opportunities for creative improvements that align with business objectives. Manage multiple creative projects simultaneously, ensuring deadlines are met and deliverables are of the highest quality.

we are looking for Conversion Rate Optimization Manager (CRO) who is passionate about improving website and mobile app conversion rates to join our fast growing company and our growth unit. As a CRO you will be responsible to improve conversion of new and repeat buyers by identifying user experience opportunities through data insights and testing. As CRO you will need to articulate exactly what isnt working and what could be better and why. The key is using data to examine how visitors and prospects are using the site, what problems or bottlenecks they face, and how to overcome these issues to enable successful conversions through A/B tests, education, trust and more. The CRO partners with acquisition, retention, customer journey and product teams to drive conversion and quality experience for different segments.
What am I going to do?
Develop, execute, and manage A/B and multivariate testing strategies to optimize conversion rates, leveraging data-driven insights to identify friction points and opportunities for growth.
Conduct both qualitative and quantitative user research (via user testing, analytics, and competitive analysis) to gain deep insights into user behavior, pain points, and conversion drivers.
Own the end-to-end CRO process, from hypothesis generation and test execution to analysis and scaling, ensuring a structured and repeatable optimization framework.
Collaborate closely with Acquisition, Retention, Product Marketing, UX, and Creative teams to implement high-impact experiments that improve conversion rates across the full marketing funnel.
Enhance user experience by applying UX best practices, usability principles, and behavioral psychology to optimize digital touchpoints while maintaining brand trust and engagement.
Stay ahead of industry trends and conduct competitive research to benchmark conversion strategies, ensuring we implement cutting-edge CRO techniques.
Translate complex data into clear, actionable recommendations, simplifying insights for key stakeholders to drive alignment and decision-making.

we are looking for a Growth Marketing Manager to join our dynamic our company's Pro Marketing team. If you have a passion for implementing impactful marketing initiatives, optimizing user experiences, and are driven by data-driven experimentation, this role is for you. As a Growth Marketing Specialist, youll play a crucial part in driving revenue growth, improving user activation, reducing churn, and enabling faster campaign execution. Youll ideate, develop, and implement growth experiments while managing key marketing and analytics tools to ensure rapid and precise execution of growth initiatives.
What am I going to do?
Ideate, initiate, and implement growth initiatives and marketing experiments to increase revenue, conversion rates, and activation.
Manage and create impactful in-product experiences, including modals, banners, walkthroughs, and other interactive components, to drive user engagement and adoption.
Manage key growth marketing tools such as Appcues, Optimizely, Google Tag Manager (GTM), and Analytics platforms, ensuring they are optimized for speed, accuracy, and effectiveness.
Collaborate closely with Product, Design, Development, and Data teams to enable efficient, high-quality execution of marketing initiatives.
Conduct thorough testing of in-product experiences across multiple devices and platforms, identifying and resolving issues promptly.
Reduce dependency on developers by independently executing front-end marketing tests and experiments.
Analyze experiment performance, draw actionable insights, and iterate quickly to continuously enhance results.

we are seeking a Product Marketing Manager to lead the go-to-market and growth strategy for key seller programs our subscription-based offerings that drive talent success and platform revenue. This is a high-impact, cross-functional role for a strategic thinker and doer who is passionate about driving measurable growth through activation, engagement, and retention.
As a PMM in this domain, youll optimize and scale existing programs by launching new features, refining positioning, and executing lifecycle strategies that enhance product adoption and increase customer value. Youll work at the intersection of product, data, marketing, and operations to ensure our talent get the most value from their subscriptions.
What am I going to do?
Own and execute go-to-market strategies for seller subscription programs and new feature launches from research and messaging to enablement and campaign delivery
Design and execute full-funnel marketing strategies to improve seller activation, reduce churn, and increase program stickiness through onboarding flows, education, and habit-forming product experiences
Develop & execute lifecycle communications across multiple channels that target each stage of the user journey
Craft compelling, segmented, data-backed value props & messaging frameworks tailored to diverse seller personas and business types
Drive impact with data by define success metrics, test hypotheses, and work closely with analytics to optimize performance
Collaborate daily with product, design, content, BI, business owners, and operations to ensure alignment and execution
Be the voice of users; synthesize feedback from research, market insights, and product usage data to influence product development and optimize the user experience
Work hands-on with marketing tools and analytics platforms to implement, track, and refine strategies in real-time.

We are looking for a Risk Operations Manager to join our Risk team, who is passionate about elevating trust and customer protection within the marketplace.
In this role, youll work closely to our operational team and be their main point of contact. Youll be responsible to monitor and analyze key risk indicators, performance metrics, and operational data to identify trends, patterns, and areas for improvement, the position is temporary for 6 months.
Our work model is hybrid, combining remote and on-site work. This allows us to get things done when and where we are most productive.
What am I going to do?
Handle Risk escalations of the Risk Operations team located in Belgrad.
Conduct monthly QA for risk tasks to ensure high-quality performance and schedule training sessions as needed
Create and update risk policies and procedures and tailor the content for agents.
Proactively identify opportunities for innovation and improvement to reduce fraud on the platform and optimize processes
Drive continuous improvement in operational efficiency and effectiveness
Collaborate closely with Customer Support, Product, Data, and other departments to foster effective communication and execution.