Jobs in Leszno, Poland

Impressit is looking for a Senior Frontend Engineer to join a global product team working on cloud-based solutions for the energy trading industry. This is a great opportunity to contribute to a high-impact platform used by professionals worldwide, while working with modern technologies and a strong engineering culture.

• Build and maintain modern web applications using React, TypeScript, CSS-in-JS, and Webpack
• Develop high-quality, testable, and scalable code using modern best practices
• Collaborate closely with a cross-functional team including developers, designers, and product managers
• Design and implement CI/CD pipelines using Azure DevOps
• Contribute to architectural discussions and drive engineering standards across the team
• Work with cloud services and deployment automation to deliver robust software solutions
• Ensure high standards of performance, accessibility, and usability across the platform
• Participate in agile ceremonies, code reviews, and continuous improvement processes
• Collaborate with backend teams to ensure seamless integration with APIs and cloud infrastructure

• 5+ years of professional experience in frontend development
• Strong hands-on experience with React, TypeScript, and modern JavaScript (ES6+)
• Deep understanding of state management with Redux
• Solid knowledge of component-based styling (e.g. Styled Components)
• Experience with testing frameworks (React Testing Library, Jest, or Vitest)
• Strong understanding of RESTful APIs and integration best practices
• Experience with Azure DevOps / VSTS and CI/CD pipelines
• Proficiency working with Microsoft Azure and cloud-native applications
• Familiarity with Agile methodologies (Scrum, Kanban)
• Solid software design fundamentals and understanding of architecture patterns
• Exposure to backend technologies and cloud infrastructure (e.g., Docker, Jenkins, Git)
• Excellent analytical, debugging, and problem-solving skills
• User-centric mindset with a strong focus on performance and accessibility
• Strong communication skills and ability to work in a global, multicultural environment

• Experience with Ag Grid or similar component libraries
• Background in energy trading, fintech, or enterprise software development
• Passion for clean code, performance optimization, and improving developer experience

We are passionate about everything we do, and with Impressit you will get:

Professional education and training budget