YozmaTech isn’t just another tech company — we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster. We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact. Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family — you’ll feel right at home with us.
Our client is a leading AdTech and Audience Intelligence company providing audience targeting, enrichment, and analytics solutions for brands, agencies, and advertising platforms. Its products process and analyze massive volumes of behavioral, demographic, purchase-intent, and location-based data, helping customers make data-driven marketing decisions at scale. The platform supports thousands of audience segments and delivers insights across billions of advertising impressions through multiple digital channels.
We are looking for a Senior Full Stack Developer to join our engineering team and help build scalable data-driven products used by marketers, analysts, and advertising professionals. You will work across the entire application stack, developing modern React-based user interfaces, scalable NestJS backend services, and high-performance analytical solutions powered by MySQL and ClickHouse. This role requires strong engineering fundamentals, product ownership, and the ability to work with large-scale datasets and performance-sensitive systems.
Stack: React, NestJS, MySQL, ClickHouse
Key Requirements: 🔹 Frontend: React (4+ yrs), TypeScript, modern hooks, state management (Redux/Zustand/Context), REST API integration; 🔹 Backend: NestJS (3+ yrs), TypeScript, modular architecture, DI, decorators, guards/interceptors; 🔹 Databases:; 🔹 MySQL — schema design, indexing, query optimization, migrations (TypeORM/Prisma); 🔹 ClickHouse — analytical queries, materialized views, performance tuning for large datasets; 🔹 General: Git, REST/GraphQL, async patterns, debugging, unit testing (Jest); 🔹 English — Upper-Intermediate or higher.
Will be plus: 🔹 Experience with high-volume / analytical data pipelines; 🔹 Docker, CI/CD basics; 🔹 AWS (S3, RDS, etc.); 🔹 Message queues (Kafka/RabbitMQ/SQS); 🔹 Performance profiling on both FE and BE;
What you will do: 🔹 Design, develop, and maintain full-stack features using React, NestJS, and TypeScript; 🔹 Build modern, responsive, and data-driven user interfaces for marketers, analysts, and advertising professionals; 🔹 Develop scalable backend services and APIs following NestJS best practices, including modular architecture and dependency injection; 🔹 Integrate frontend applications with REST and GraphQL APIs; 🔹 Design and optimize MySQL database schemas, queries, and indexing strategies to ensure high performance; 🔹 Build and optimize analytical solutions using ClickHouse, including complex queries, materialized views, and large-scale data processing; 🔹 Work with large volumes of audience, behavioral, demographic, and advertising data to support data-driven products; 🔹 Collaborate with product managers, engineers, and stakeholders to deliver high-quality solutions; 🔹 Troubleshoot, debug, test, and improve application performance across both frontend and backend systems; 🔹 Participate in code reviews, architecture discussions, and technical decision-making processes; 🔹 Contribute to maintaining development best practices, code quality, and system reliability;
Interview stages: 🔹 HR Interview; 🔹 Tech interview; 🔹 Client Interviews; 🔹 Reference check; 🔹 Offer;
Why Join Us?
At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products — and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your v
