{"id":149984,"date":"2026-02-28T17:02:23","date_gmt":"2026-02-28T17:02:23","guid":{"rendered":"https:\/\/devsdata.com\/case-studies\/artificial-intelligence-reinforcement-learning-system-adtech-company\/"},"modified":"2026-02-28T17:02:23","modified_gmt":"2026-02-28T17:02:23","slug":"artificial-intelligence-reinforcement-learning-system-adtech-company","status":"publish","type":"case_study","link":"https:\/\/devsdata.com\/de\/case-studies\/artificial-intelligence-reinforcement-learning-system-adtech-company\/","title":{"rendered":"AI Reinforcement \u2013 supporting a learning system for an AdTech company"},"content":{"rendered":"<section>\n<h1>AI Reinforcement Learning \u2013 AdTech ML System in LA<\/h1>\n\n    <style>`\n        .post-info {\n            display: flex;\n            flex-direction: row;\n            font-family: Montserrat;\n            font-style: normal;\n            font-weight: 500;\n            font-size: 16px;\n            line-height: 150%;\n            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M187.500628,4.25836743 C207.438422,4.25836743 223.601085,34.8960455 223.601085,72.6964154 L223.603538,72.6964154 C223.603538,110.486973 207.440875,141.134463 187.503081,141.134463 C167.565287,141.134463 151.402624,110.486973 151.402624,72.6964154 C151.402624,34.9058574 167.562834,4.25836743 187.500628,4.25836743 Z M243.303393,11.3867175 C250.314,11.3867175 256,38.835526 256,72.6964154 C256,106.547493 250.316453,134.006113 243.303393,134.006113 C236.290333,134.006113 230.609239,106.554852 230.609239,72.6964154 C230.609239,38.837979 236.292786,11.3867175 243.303393,11.3867175 Z\" fill=\"currentColor\"><\/path>\n                        <\/g>\n                    <\/svg>\n                <\/a>\n            <\/li><\/ul>\n            <\/div>\n            <div class=\"reviewer-info\"> \n                                                                            <span style=\"color:#6D7082;\" class=\"\">\n                Last updated on \n                28. Februar 2026 \n                <span class=\"post-info-separator\">| <\/span> \n                9 min read\n                \n            <\/span>\n                            <\/div>\n        \n        <\/div>\n    <\/div>\n    <div class=\"bookmark\">\n        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/08\/bookmark-add-2-1.svg\" alt=\"bookmark\" title=\"\">\n    <\/div>\n    <div class=\"tags\"><\/div>\n    <\/div>\n    <script type=\"module\" defer>\n      document.addEventListener(\"DOMContentLoaded\", function () {\n    \/\/ Get the current path from the URL\n    const path = window.location.pathname;\n\n    \/\/ Check if it starts with \/case-studies\n        if (path.startsWith(\"\/case-studies\")) {\n        const tagsElement = document.querySelector(\".tags\");\n        if (tagsElement) {\n        tagsElement.style.marginBottom = \"0\";\n        }\n        }\n        });\n        Array.from(document.getElementsByClassName(\"separator\")).forEach(el => {\n            el.textContent = \" > \";\n        });\n\n            var wpmlToggle = document.querySelector(\".language_switcher .wpml-ls-item-toggle\");\n            if (wpmlToggle) {\n                wpmlToggle.addEventListener(\"click\", function(e) {\n                    e.preventDefault();\n                    e.stopPropagation();\n                    var currentLang = this.closest(\".wpml-ls-current-language\");\n                    if (currentLang) {\n                        currentLang.classList.toggle(\"wpml-dropdown-open\");\n                    }\n                });\n                document.addEventListener(\"click\", function(e) {\n                    var openDropdown = document.querySelector(\".wpml-ls-current-language.wpml-dropdown-open\");\n                    if (openDropdown && !openDropdown.contains(e.target)) {\n                        openDropdown.classList.remove(\"wpml-dropdown-open\");\n                    }\n                });\n            }\n\n            var languageList = document.querySelector(\"#language-list\");\n            var dropdownArrow = document.querySelector(\".dropdown-arrow\");\n\n            if(languageList){\n                languageList.addEventListener(\"click\", () => {\n                    languageList.classList.toggle(\"active\");\n                    document.querySelector(\"#arrow\").classList.toggle(\"rotated\");\n                })\n            }\n                \n            function handleViewportChange() {\n                if(languageList) {\n                    if (window.innerWidth < 1280) {\n                        if(!languageList.classList.contains(\"mobile\")) {\n                            languageList.classList.add(\"mobile\");\n                            dropdownArrow.classList.add(\"mobile\");\n                        }\n                    } else {\n                        if(languageList.classList.contains(\"mobile\")) {\n                            languageList.classList.remove(\"mobile\");\n                            dropdownArrow.classList.remove(\"mobile\");\n                        }\n                    }\n                };\n            };\n\n            \/\/ If there is a small\/no space between reviewer and author name, reviewer moves to the first row\n            function update_post_info_layout() {\n                const author_name_element = document.querySelector(\".author-name\");\n                const reviewer_element = document.querySelector(\".reviewer-info\");\n                const post_info_container = document.querySelector(\".post-info\");\n\n                if(reviewer_element) {\n                    let distance_next_to_author, reviewer_fits_next_to_author; \n                    if(post_info_container && author_name_element) {\n                        distance_next_to_author = post_info_container.getBoundingClientRect().right - author_name_element.getBoundingClientRect().right;\n                        reviewer_fits_next_to_author = distance_next_to_author - reviewer_element.clientWidth >= 15;\n                    }\n\n                    if(!reviewer_fits_next_to_author) {\n                        reviewer_element.classList.add(\"the_first_row\");\n                    } else if (reviewer_fits_next_to_author && reviewer_element.classList.contains(\"the_first_row\")) {\n                        reviewer_element.classList.remove(\"the_first_row\");\n                    }\n                }\n            }\n\n            handleViewportChange();\n            update_post_info_layout();\n             \n            window.addEventListener(\"resize\", () => {\n                handleViewportChange();\n                update_post_info_layout();\n            });\n    <\/script>\n\n        <span class=\"img-container\">\n            <picture class=\"\" style=\"filter: grayscale(0)\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_thumb_small.webp\" type=\"image\/webp\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_thumb_small.jpg\" type=\"image\/jpg\">\n                <source srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_thumb.webp\" type=\"image\/webp\">\n                <source srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_thumb.jpg\" type=\"image\/jpg\">\n                <img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_thumb.jpg\" width=\"640\" height=\"357\" alt=\"Artificial intelligence reinforcement learning system cover visual testimonial\" title=\"\">\n            <\/picture>\n        <\/span>\n    \n<ul>\n<li>DevsData LLC placed two senior AI specialists who built a reinforcement learning system for real-time ad pricing and selection.<\/li>\n<li>The project transformed the client\u2019s ad engine into a self-learning platform that adapts bids and improves ROI in real time.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Introduction<\/h2>\n<p>Every time an online ad is shown, thousands of bids compete in fractions of a second. To gain a competitive edge in this race, a Los Angeles-based AdTech company set out to build a reinforcement learning system that could predict the best ad price and placement in real time, maximizing revenue and user engagement. However, the company lacked in-house experts with deep experience in large-scale machine learning and data infrastructure to turn that vision into reality.<\/p>\n<p>To close this talent gap, the company partnered with <a href=\"\/\" target=\"_blank\" rel=\"noreferrer noopener\">DevsData LLC<\/a>, a boutique recruitment and technology consulting firm, to source and secure two key experts: a senior data scientist and a senior full stack developer with data engineering expertise. These professionals became integral members of the client\u2019s engineering team, driving the design and optimization of a system that could make ad-pricing decisions in just a few milliseconds.<\/p>\n\n        <span class=\"img-container\">\n            <picture class=\"open-picture\" style=\"filter: grayscale(0)\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_data_small.webp\" type=\"image\/webp\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_data_small.jpg\" type=\"image\/jpg\">\n                <source srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_data.webp\" type=\"image\/webp\">\n                <source srcset=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_data.jpg\" type=\"image\/jpg\">\n                <img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/12\/ai_reinforcement_data.jpg\" width=\"640\" height=\"357\" alt=\"Project higlights testimonial\" title=\"\">\n            <\/picture>\n        <\/span>\n    \n<\/section>\n<section>\n<h2>Project overview<\/h2>\n<p>The client\u2019s main objective was to build a reinforcement learning-based engine that could:<\/p>\n<ul>\n<li>Dynamically optimize ad revenue through self-learning algorithms.<\/li>\n<li>Achieve prediction latency in the millisecond range.<\/li>\n<li>Scale seamlessly under traffic spikes.<\/li>\n<li>Improve ad relevance for end-users to boost engagement and retention.<\/li>\n<\/ul>\n<p>This six-month initiative required not just advanced modeling skills, but also real-world engineering expertise to ensure smooth integration, scalability, and consistent system uptime \u2013 which is where DevsData LLC\u2019s recruited specialists played a pivotal role.<\/p>\n<\/section>\n<section>\n<h2>Recruitment and team setup<\/h2>\n<p>This engagement was primarily a recruitment project with deep technical alignment. The client already had a capable internal team but lacked the rare combination of data science and system architecture expertise required for reinforcement learning at scale.<\/p>\n<p class=\"quote\" style=\"padding: 10px;\">\u201c<span>Reinforcement learning AI roles require a rare mix of deep mathematical knowledge and strong engineering execution. For this project, we focused on professionals who had proven experience with large-scale systems operating under strict performance requirements.<\/span>\u201d \u2013 Nenad Hrisafovic, IT Recruitment Team Lead, DevsData LLC<\/p>\n<p>The recruitment campaign lasted six weeks from project kickoff to final onboarding. Out of over 80 sourced candidates, only six were shortlisted, and two accepted offers, marking an offer-to-acceptance ratio of 100% \u2013 notably higher than the industry average for senior AI roles. Each shortlisted candidate completed DevsData LLC\u2019s multi-stage evaluation process, which included technical interviews, coding tests, and communication assessments to verify readiness for remote, cross-functional collaboration.<\/p>\n<p>Technical requirements and stack per position:<\/p>\n<ul>\n<li>Senior Data Scientist (Reinforcement Learning focus):<\/li>\n<\/ul>\n<p>Python, TensorFlow, PyTorch, NumPy, and Pandas; advanced understanding of Q-learning, policy gradients, and reward optimization; experience deploying models with AWS SageMaker, Kafka for data streaming, and Dockerized ML environments.<\/p>\n<ul>\n<li>Senior Full-Stack Developer with Data Engineering expertise:<\/li>\n<\/ul>\n<p>Node.js, React, and TypeScript for front-end and back-end development; PostgreSQL, Redis, and Apache Spark for real-time data processing; hands-on experience with AWS Lambda, Kubernetes, and CI\/CD automation via Jenkins and GitHub Actions.<\/p>\n<p>These strict requirements ensured both hires possessed not only the algorithmic depth needed for reinforcement learning but also the production-level engineering expertise to build and maintain low-latency, scalable systems.<\/p>\n<\/section>\n<section>\n<h2>Challenges<\/h2>\n<p>Filling highly specialized reinforcement learning roles proved to be one of the toughest recruitment challenges in the AdTech industry. The client needed experts who could seamlessly combine advanced mathematical knowledge with hands-on engineering skills \u2013 professionals capable of integrating into a high-performance team and contributing to a real-time bidding platform.<\/p>\n<p>Key recruitment challenges included:<\/p>\n<ul>\n<li>Niche expertise:<\/li>\n<\/ul>\n<p>Reinforcement learning specialists with production-level experience are exceptionally rare, particularly those who understand the fast, data-intensive world of AdTech.<\/p>\n<ul>\n<li>Technical depth:<\/li>\n<\/ul>\n<p>Candidates needed a strong command of both data science (reward modeling, algorithmic tuning) and large-scale engineering (distributed systems, cloud architecture).<\/p>\n<ul>\n<li>Market competition:<\/li>\n<\/ul>\n<p>The search took place amid fierce competition from global tech giants such as Google, Meta, and Amazon, all aggressively hiring reinforcement learning specialists for their AI and recommendation systems. This made it difficult for mid-sized AdTech companies to attract and retain senior engineers with comparable experience.<\/p>\n<ul>\n<li>Cultural fit:<\/li>\n<\/ul>\n<p>The client required individuals who could join an established international team, adapt quickly to agile processes, and collaborate effectively across time zones.<\/p>\n<p>DevsData LLC\u2019s role was to identify, evaluate, and secure professionals who not only met the technical bar but also fit seamlessly into the client\u2019s collaborative engineering culture.<\/p>\n<\/section>\n<section>\n<h2>Approach<\/h2>\n<p>To meet the client\u2019s demanding requirements, DevsData LLC applied its proven multi-stage recruitment methodology designed for highly technical and niche roles.<\/p>\n<ol>\n<li><strong>Deep technical alignment with the client<\/strong><\/li>\n<p>The recruitment team began by conducting in-depth consultations with the client\u2019s engineering leaders to fully understand the technical scope of the reinforcement learning initiative. This step ensured that the recruiters could precisely assess not only candidates\u2019 machine learning backgrounds but also their ability to work with real-time, data-intensive systems.<\/p>\n<li><strong>Multi-stage technical evaluation<\/strong><\/li>\n<p>Candidates underwent a rigorous vetting process that went beyond traditional interviews. Each applicant completed:<\/p>\n<ul>\n<li>90-minute technical interviews covering reinforcement learning principles, data infrastructure, and scalability design.<\/li>\n<li>Practical coding challenges simulating live ad-serving environments where latency was critical.<\/li>\n<li>Collaboration and communication assessments to verify adaptability to cross-functional teams.\n<\/li>\n<\/ul>\n<li>\n<p><strong>Global talent sourcing<\/strong><\/li>\n<p>Leveraging DevsData LLC\u2019s proprietary network of <span class=\"formatted-number\">65000<\/span>+ vetted professionals, recruiters identified experts in multiple time zones, balancing both technical excellence and cultural fit.<\/p>\n<li><strong>Seamless integration support<\/strong><\/li>\n<p>Once hired, the specialists received onboarding assistance to integrate quickly into the client\u2019s workflow, communication channels, and delivery culture \u2013 minimizing ramp-up time and maximizing early contribution.<\/p>\n<\/ol>\n<p class=\"quote\" style=\"padding: 10px;\">\u201c<span>Our recruitment process went beyond standard interviews. We simulated real-world AdTech challenges and tested candidates under pressure to make sure they could deliver immediate value.<\/span>\u201d \u2013 Ketevan Khorava, IT Recruiter, DevsData LLC<\/p>\n<\/section>\n\n            <div class=\"schedule-consultation middle-scheduler\">\n                <div class=\"block-contact\">\n                    <p>Do you have IT recruitment needs?<\/p>\n                <\/div>\n                <div class=\"contact-us-show schedule-consultation-button\">\n                    \ud83c\udfa7\n                    <span>Schedule a meeting<\/span>\n                <\/div>\n            <\/div>\n    \n<section>\n<h2>Results<\/h2>\n<p>DevsData LLC successfully placed two senior specialists who became pivotal to the client\u2019s reinforcement learning project:<\/p>\n<ul>\n<li>A senior data scientist, responsible for optimizing algorithms and guiding model evaluation strategies.<\/li>\n<li>A senior full stack developer with data engineering expertise, who architected and maintained real-time data pipelines.<\/li>\n<\/ul>\n<p>Once onboarded, these professionals integrated seamlessly into the client\u2019s internal team. Their contribution accelerated the system\u2019s development and optimization phases, helping the company reach its target performance goals \u2013 including millisecond-level decision-making for real-time ad auctions.<\/p>\n<p>Beyond technical outcomes, the recruitment itself became a success story. DevsData LLC\u2019s structured process reduced hiring time by over half compared to typical industry averages for AI roles, while ensuring cultural and skill fit from day one.<\/p>\n<\/section>\n<section>\n<h2>Impact<\/h2>\n<p>The collaboration between DevsData LLC and the Los Angeles AdTech company proved how the right recruitment strategy can directly accelerate innovation. By identifying and securing highly specialized reinforcement learning professionals, DevsData LLC enabled the client to move from a talent bottleneck to a state of sustained technical progress.<\/p>\n<p>The newly onboarded experts not only filled urgent skill gaps but also transferred critical knowledge to the client\u2019s internal team, reinforcing its long-term capabilities in machine learning and data engineering. Their presence helped the organization establish more structured development practices, improve collaboration between departments, and maintain faster delivery cycles.<\/p>\n<p>Ultimately, DevsData LLC\u2019s recruitment support empowered the client to build a scalable, AI-driven platform and set a strong foundation for future innovation in programmatic advertising \u2013 demonstrating that targeted hiring can be as transformative as the technology itself.<\/p>\n<\/section>\n<section>\n<h2>Conclusion<\/h2>\n<p>The collaboration between DevsData LLC and the Los Angeles AdTech company showcased how specialized recruitment can directly shape the success of complex AI initiatives. By sourcing and securing two senior professionals with reinforcement learning and large-scale data engineering expertise, DevsData LLC bridged a critical talent gap that had been slowing the project\u2019s progress.<\/p>\n<p>The newly formed team quickly turned the client\u2019s vision into reality, developing a high-performance, reinforcement learning-based system capable of making millisecond-level ad-pricing decisions and scalable real-time bidding. What began as a recruitment challenge evolved into a long-term capability boost for the company, strengthening its position in the competitive AdTech market.<\/p>\n<p>Looking to build your own AI-driven systems or hire rare tech specialists?<\/p>\n<p>DevsData LLC has helped Fortune 500 firms, high-growth startups, and innovative AdTech companies overcome hiring challenges. With a global vetted network of over <span class=\"formatted-number\">65000<\/span> professionals, we connect businesses with world-class talent in AI, data science, and software engineering. Contact us at <a href=\"mailto:general@devsdata.com\" target=\"_blank\" rel=\"noopener\">general@devsdata.com<\/a> or visit our website <a href=\"\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.devsdata.com<\/a><\/p>\n<\/section>\n\n        <section class=\"author_section_container\">\n            \n            <p class=\"contact_on_twitter\">\n                Any questions or comments? Let me know on \n                <a href=\"https:\/\/twitter.com\/tompotanski\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Twitter\/X<\/a>.\n            <\/p> \n        \n            <div class=\"schedule-consultation\">\n                <div class=\"block-contact\">\n                    <p>Discover how IT recruitment and staffing can address your talent needs. Explore trending regions \n        like Poland, Portugal, Mexico, Brazil and more. <\/p>\n                <\/div>\n                <div class=\"contact-us-show schedule-consultation-button\">\n                    \ud83d\uddd3\ufe0f\n                    <span>Schedule a consultation<\/span>\n                <\/div>\n            <\/div>\n            <div class=\"author_section\">\n                <div class=\"author_photo_container\">\n                    <picture>\n                        <source srcset=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.webp\" type=\"image\/webp\"> \n                        <source srcset=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.jpg\" type=\"image\/jpeg\">\n                        <img decoding=\"async\" class=\"avatar lazyload\" width=\"64\" height=\"64\" src=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.jpg\" alt=\"avatar\" loading=\"lazy\" title=\"Tom Potanski\" >\n                    <\/picture>\n                    <a class=\"read_full_bio\" href=\"\/author\/tom-potanski\/\" aria-label=\"Read more from Tom Potanski\">Read full bio<\/a>\n                <\/div>\n                <div class=\"author_info_container\">\n                    <div class=\"author_info\" data-role=\"Author\">\n                        <h4 id=\"author_title\">\n                            <a href=\"\/author\/tom-potanski\/\" aria-label=\"Read more from Tom Potanski\">Tom Potanski<\/a>\n                            <span class=\"position\">Managing Director<\/span>\n                        <\/h4>\n                    <\/div>\n                <\/div>\n                <div class=\"author_about\">\n                    <span>Passionate and experienced technology leader. 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