Jobs at Kayzen

Own Go-To-Market for performance media buyers: build relationships, close and onboard clients, represent Kayzen at industry events, advise prospects on product strategy, and funnel market feedback across teams.

The Growth Analyst manages mobile ad campaigns, optimizes performance metrics like CPA/ROAS, analyzes data with SQL, and collaborates with teams for client success.

The Customer Success Manager will manage client relationships, provide strategic consultation, optimize campaigns, and communicate client feedback to the product team for enhancements.

Develop, improve, and deploy machine learning models for large-scale ad-tech systems; explore and integrate new data sources; research ML solutions; collaborate with engineering to productionize algorithms; and design and evaluate A/B tests and monitoring dashboards.

The DevOps Engineer will build and manage automated infrastructure for a global RTB platform, focusing on provisioning, operations, maintenance, and ensuring optimal performance in data centers.

Lead and scale the global RTB infrastructure by automating bare-metal provisioning, ensuring reliability and security, performing performance tuning and incident recovery, maintaining observability and CI/CD pipelines, and mentoring the infrastructure team while partnering with engineering and product stakeholders.

Lead and grow a sales team focused on agency clients across EMEA, drive new business with holdcos and independent agencies, craft agency-focused product and commercial propositions, close complex programmatic deals, use data-led selling to inform GTM strategy, and collaborate cross-functionally while traveling to London regularly.

Design, improve, and deploy large-scale ML models for real-time ad-tech applications; explore data sources, research solutions, run A/B tests, and collaborate with engineering to productionize models and monitoring.

Lead all marketing at Kayzen for mobile and CTV ad-tech: develop GTM strategy, own demand generation, product marketing, content, CRM, partnerships, events, build a lean high-performing team, and align messaging to drive inbound MQLs and measurable revenue growth.

As a Product Analyst, you will analyze product data, provide insights, debug issues, automate tasks using AI, and collaborate across teams to improve decision-making and product performance.

The AI Platform Engineer will design AI frameworks and tools, enable AI feature integration, create reusable components, and ensure best practices for AI usage across teams.

Build and maintain high-performance fullstack features from UI to API integration, write tested production-ready code, drive architecture decisions, integrate AI-assisted development and LLM-driven UI patterns, and own delivery from planning through deployment and monitoring.

The Sales Director will drive customer acquisition and maintain relationships with agencies and brands, aligning with Kayzen's growth strategy and managing sales targets.

The Sales Development Representative will generate meetings for the sales team by identifying potential customers in mobile advertising, conducting market research, and maintaining relationships with prospects.

The President, US will lead market entry, build partnerships, develop GTM strategies, and manage a team to drive revenue growth in the US market.

Provide legal ownership across GDPR/privacy, commercial contracts, cap table and corporate governance, and general compliance. Advise on data transfers, negotiate MSAs/SaaS/NDAs, manage cap table and subsidiary governance, support fundraising, and scale compliance frameworks across jurisdictions.