Senior Software Engineer – Front‑end & API Development

About the role

Experienced senior software engineers are needed to design, develop, and maintain modern web applications and APIs for Ninja Online pre‑sales solutions. The role focuses on scalable software, modern UI frameworks, cloud‑native development, and Agile delivery.

Key responsibilities

• Develop and enhance responsive web applications using React, TypeScript, and modern JavaScript frameworks.
• Design and implement Single Page Applications (SPA) and Micro Frontend (MFE) architectures.
• Develop and maintain backend services and APIs using FastAPI, Python, and C#.
• Collaborate with product owners and Scrum teams to deliver user stories, epics, and backlog items.
• Participate in Agile ceremonies such as sprint planning, daily stand‑ups, reviews, and retrospectives.
• Build scalable, secure, and maintainable software solutions.
• Contribute to CI/CD initiatives and DevOps best practices.
• Create technical documentation and support knowledge‑sharing activities.
• Work closely with QA engineers to ensure product quality and reliability.
• Support innovation initiatives, including AI‑enabled development practices where applicable.

Required profile

• 10+ years of total professional experience.
• Senior‑level expertise in front‑end development and API design.

Required skills

• JavaScript
• React
• TypeScript
• HTML5
• CSS3
• Responsive UI Design
• Single Page Applications (SPA)
• Micro Frontends (MFE)
• Jotai state management
• Python
• FastAPI
• C#
• GitHub and Git workflows
• ElasticSearch
• Postman
• Grommet UI Framework