Full Stack Engineer (Warsaw, PL)

Full Stack Developer (Warsaw, PL)

About Corevist

Corevist empowers manufacturers to conduct business online through B2B eCommerce, customer portals, and field sales portals leveraging SAP ERP data in real time. As a fast-growing product company, we emphasize innovation, agility, and measurable business value, while fostering a collaborative, remote-friendly culture with opportunities for professional growth.

Position Summary

We are looking for a Full-Stack Engineer (Middle level) to join our Product & Engineering team as a full-time employee. This role combines strong backend expertise in Ruby on Rails with solid experience in ReactJS, TypeScript and Redux for building modern, scalable applications.

As a Full-Stack Engineer, you will design and develop robust APIs, maintain complex backend systems, and build rich, interactive front-end experiences. Youll also take part in architectural decisions, ensure code quality, and collaborate closely with product managers and QA engineers.

Core Responsibilities

- Design and develop backend services using Ruby on Rails

- Build and maintain modern, responsive front-ends using ReactJS, Redux and TypeScript

- Create and optimize RESTful APIs for seamless integration between backend and frontend

- Write clean, maintainable, and well-tested code.

- Contribute to shared component libraries and maintain consistent design systems

- Optimize applications for performance, scalability, and accessibility (WCAG standards)

- Participate in architectural discussions and influence technical roadmaps

- Conduct code reviews and mentor junior team members

- Collaborate across distributed teams in Agile ceremonies (standups, planning, retrospectives)

Required Qualifications

- 5+ years of professional software development experience

- 2+ years of Ruby on Rails commercial development experience

- Expertise in ReactJS, Redux, TypeScript, and modern JavaScript (ES6+)

- Solid understanding of MVC architecture, OOP, SOLID and programming patterns

- Knowledge of testing frameworks (RSpec, Jest, Cypress)

- Experience designing and consuming REST APIs

- Strong knowledge of HTML5, CSS3, and responsive design principles

- Proficiency with Git workflows, CI/CD pipelines, and containerized environments (Docker)

- Knowledge of relational databases (MariaDB) and query optimization

- Excellent communication skills in English (B1 or higher)

Corevist Offers

- Official employment via UoP

- Competitive salary aligned with experience

- Private healthcare and wellness benefits (Luxmed, Multisport)

- Quarterly and annual bonuses based on departmental and company KPIs.

- Additional mental health days.

- Learning & development support, including certifications and internal knowledge-sharing.