Fullstack Engineer / AdTech
Primary stack
Nice to have's
Job description
About the Position
We are seeking a Senior Full Stack Developer to join our engineering team in the AdTech domain. This role is pivotal in shaping the future of programmatic advertising, focusing on high-performance systems and AI-driven optimization.
Responsibilities
- Design and develop full-stack applications for programmatic advertising workflows using React, Node.js, and Python.
- Build and maintain integrations with major SSPs (Magnite, PubMatic, Index Exchange, Xandr, OpenX) and DSPs.
- Implement and optimize Prebid.js and Prebid Server configurations for header bidding.
- Develop OpenRTB-compliant bid request/response handling and auction logic.
- Build ad serving infrastructure including VAST/VPAID video ad implementations.
- Create publisher-facing dashboards for yield management, analytics, and reporting.
- Implement ads.txt, sellers.json, and supply chain transparency tools.
- Ensure compliance with privacy frameworks (GDPR, CCPA, TCF 2.2) and consent management.
- Collaborate with product, partnerships, and data teams to deliver end-to-end solutions.
Requirements
- 7+ years of professional software development experience.
- 3+ years working in programmatic advertising or ad-tech.
- Strong proficiency in JavaScript/TypeScript, React, Node.js, and Python.
- Hands-on experience with Prebid.js, Prebid Server, or similar header bidding solutions.
- Working knowledge of OpenRTB protocol and bid stream mechanics.
- Experience integrating with ad servers (Google Ad Manager, custom ad servers) and SSP/DSP platforms.
- Understanding of auction dynamics, floor pricing, and yield optimization strategies.
Nice to Have
- Experience building or contributing to ad server platforms.
- Familiarity with AI/ML applications in ad-tech (bid optimization, contextual targeting).
- Background in publisher-side monetization or ad ops.
- Experience with mobile advertising SDKs and in-app monetization.
- Knowledge of identity solutions (UID2, ID5, LiveRamp) and cookieless targeting.
We Offer
- People-first management with minimal bureaucracy.
- A friendly company culture, proven by employees who choose to return.
- Flexible working hours.
- 29 days of PTO (18 working days per year plus all national holidays).
- 10 paid sick days.
- Full financial and legal support for independent contractors.
- Free English classes, with native speakers or Ukrainian teachers.
- Dedicated HR support.
About the Company
MWDN is an international recruitment and outstaffing company with 23+ years of experience connecting exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. In this role, MWDN acts as the recruitment partner, and the selected candidate will work directly with the client’s team on their product in an international environment.
Why does MWDN rock?
Here’s what you can expect when you join MWDN:
- Security: We carefully vet our clients to minimize risks and ensure reliability and timely payments-no fraud or unpleasant surprises.
- Career support: If a project isn’t the right fit, we support you and actively help find new opportunities that match your skills and career goals.
- Legal assistance: We provide guidance on legal matters, including opening and managing your independent contractor or sole proprietorship status, taxes, and related processes.
- Professional development: We offer English courses and professional growth opportunities, as well as team-building events.
Why choose us? MWDN is ranked among the top 5 IT employers in our region according to DOU. We take pride in our transparency and strong commitment to our team. Curious to learn more? See what our employees say about working with us on DOU.
Our Next Steps
- Intro call with a Recruiter
- Intro with the client
- Tech interview
- Home assignment
- Final client interview
- Offer
Iryna Dovhaniuk・Recruiter
+38 098 783 66 84
© MWDN. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.
MWDN Ltd. was created in 2002 as a software development house for healthcare vendor and later expanded its business to build team extensions and RnDcenters for startups and enterprise companies of different profiles that require experts and professionals to help with building innovative products. Currently, MWDN is a team of unique technical talents, which consists of more than 160 professionals from different cities of Ukraine and abroad. Our specialists have worked with clients from the US, Europe, Israel, and have developed 200+ web, mobile, and healthcare products. We offer outstaffing and outsourcing services by creating dedicated teams of developers and by extending our clients staff. We make sure that our customers remote specialists are willing to work according to the company's principles. By choosing this approach, we guarantee that our dedicated experts feel connected to the clients company and are 100% committed to its success.