Senior Full Stack Engineer (JavaScript/TypeScript, Node.js, React) – Kaunas

About the role

We are partnering with a global technology and business consulting firm to find a Senior Full Stack Engineer for its Kaunas office. The role involves building modern web applications and back‑end services using JavaScript/TypeScript, Node.js and React, while collaborating with international teams.

Key responsibilities

• Develop and maintain front‑end features with React, TypeScript, JavaScript, HTML and CSS.
• Design and implement back‑end services and APIs using Node.js and TypeScript.
• Build and integrate RESTful and GraphQL services.
• Work with SQL databases and related technologies.
• Participate in the full software development lifecycle, including testing, deployment and code reviews.
• Contribute to Agile ceremonies such as sprint planning, stand‑ups and retrospectives.

Required profile

• 5+ years of professional software development experience.
• Strong understanding of both front‑end and back‑end development.
• Experience with modern web applications, REST APIs and Agile environments.
• Good communication skills and fluency in English.

Required skills

• JavaScript / TypeScript
• Node.js
• React
• HTML & CSS
• SQL
• RESTful APIs
• GraphQL
• CI/CD pipelines
• Message brokers
• ORM technologies
• V8 engine knowledge
• WebAssembly

What we offer

• Hybrid work model – three days in the Kaunas office, two days remote.
• Private medical insurance with gym coverage and team events.
• Access to learning platforms such as Udemy for professional development.
• Opportunity to work on international projects with modern technologies.