Senior Full Stack Engineer

Simulmedia is seeking an experienced Senior Full Stack Engineer to join our engineering team and help build and improve our products. We build software for TV advertising — campaign management, delivery, and reporting used by advertisers and agencies.
In this role, you will work closely with product managers, designers, and data engineers to deliver features across the stack. The ability to frequently iterate and deliver high-quality work that is owned end-to-end is crucial in this role.
Location: Ukraine is mandatory. Our offices are located in Kyiv and Lviv. Teams are located in Kyiv and Lviv and primarily work remotely with occasional offline meetings.
Key Responsibilities
Develop both frontend and backend services using React, Next.js, and TypeScript, ensuring seamless integration between components.
Build robust, scalable APIs using tRPC to serve data to the frontend application.
Create efficient pages using server-side rendering (SSR) or static site generation (SSG) via Next.js for performance-optimized analytics displays.
Collaborate with designers to implement responsive and visually appealing user interfaces using Tailwind CSS, ensuring a smooth, intuitive experience for the platform’s users.
Optimize the full stack to ensure quick load times, low-latency data fetching, and smooth user experiences, especially for data-heavy visualizations and analytics pages.
Deploy and manage the platform using Vercel, taking advantage of its serverless functions for backend processes and ensuring efficient deployments and scaling.
Own features end-to-end — from API and data layer through UI to production — with a strong focus on quality and maintainability.
Participate in code reviews, pair programming, and knowledge-sharing sessions to ensure high-quality, maintainable code.
Implement unit and end-to-end testing for both frontend and backend components to ensure reliability and reduce bugs in production.
Qualifications
Education: Bachelor’s degree in Computer Science,...