Senior Full Stack Engineer (Ruby)
About us:
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with the organization of the first Data Science UA conference, setting the foundation for our growth. Over the past 8 years, we have diligently fostered the largest Data Science Community in Eastern Europe.
About the client:
Our client is a trailblazer in data-driven advertising, known for its innovative approach to optimizing ad placements and campaign effectiveness through advanced analytics and machine learning techniques. The company aims to revolutionize advertising by enabling brands to reach their audiences more effectively.
About the role:
We are looking for an experienced Full Stack Engineer to join the engineering team to develop cutting-edge insights and analytics capabilities in a new CTV platform that is built from the ground up to utilize a product-led growth (PLG) approach.
In this role, you will work closely with product managers, designers, and data engineers to ensure seamless integration of analytics features into the platform. The ability to frequently iterate and deliver high-quality features that are owned end-to-end is crucial in this role.
This position is located in either Kyiv or Lviv, Ukraine. The team is located in both Kyiv and Lviv and primarily works remotely, with occasional team meetings in the Lviv office.
Requirements:
– Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
– 5+ years of experience in full stack development of backend services and systems that support our platform’s needs, with a primary focus on Ruby and
– Experience with cloud services, preferably AWS, and containerized applications (Docker)
– Strong proficiency in TypeScript, including strong typing and interface design for scalable codebases.
– Deep understanding of React and its ecosystem, including hooks, functional components and React Server Components (RSC).
– Proficiency in Tailwind CSS for building responsive, accessible, and aesthetically pleasing UIs.
– Experience in building data visualization tools and dashboards using React-based libraries (e.g., D3.js, Chart.js).
– Experience with SSR (Server-Side Rendering) and SSG (Static Site Generation) using Next.js, optimizing for performance and SEO.
– Proficiency in backend development (e.g. Node.js) with tRPC as an API framework.
– Experience designing and developing APIs, handling authentication, authorization, and security best practices.
– Proficiency in building scalable and reliable data-fetching layers, especially for real-time or large-scale analytics.
– Experience with serverless architectures, understanding of edge computing, and CDN usage for enhancing performance and reliability.
– Solid experience with Vercel or other serverless platforms for deployment, CI/CD pipelines, and performance monitoring.
– Experience with unit and end-to-end testing frameworks such as Vitest, Cypress, or similar, ensuring quality and stability of applications.
– Proficiency in Git for version control, including experience with pull requests, code reviews, and branching strategies.
Would be a plus:
– Familiarity with CTV platforms or working experience in digital advertising or media analytics.
– Knowledge of SEO, accessibility, and performance optimization for web applications.
Responsibilities:
– Maintenance of the existing B2B CTV platform (Ruby).
– Design and implement insights and analytics dashboards for the CTV platform, providing users with actionable data to enhance their campaigns.
– Develop both frontend and backend services using Ruby, React, Next.js, and TypeScript, ensuring seamless integration between components.
– Build robust, scalable APIs using tRPC to serve analytics data to the frontend application.
– Create efficient server-side rendered (SSR) or static site-generated (SSG) pages via Next.js for performance-optimized analytics displays.
– Collaborate with the 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.
– 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.
The company offers:
– An opportunity to be at the forefront of advertising technology, impacting major marketing decisions.
– A collaborative, innovative environment where your contributions make a difference.
– The chance to work with a passionate team of data scientists, engineers, product managers, and designers.
– A culture that values learning, growth, and the pursuit of excellence.
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