Senior Full-Stack Engineer: React, Kotlin & Python

xebiacee; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

xebiacee is seeking a senior full-stack engineer to build and maintain web applications spanning backend services and modern frontends.

You will switch between Kotlin, Python and React, contribute to APIs, cloud delivery, testing, and production support within an Agile team. Must work from within the European Union with valid work authorization. Excellent communication in English required.

Qualifications

• Senior full-stack engineer with a modern web stack and strong backend skills.
• Proficient in Kotlin, Python, React, and modern JavaScript/TypeScript.
• Experience with REST APIs, microservices, and API integrations.
• Strong HTML/CSS with responsive design and accessibility.
• Familiar with automated testing, code review, CI/CD, cloud infra and monitoring.

Responsibilities

• Build and maintain backend services, APIs, and integrations with Kotlin and Python.
• Develop SPAs using React and modern JavaScript/TypeScript.
• Create responsive, accessible UIs with HTML/CSS across browsers.
• Apply solid data modeling and design principles with code reviews and tests.
• Support cloud infrastructure, CI/CD, monitoring, and production troubleshooting.
• Collaborate with product and UX in an Agile Scrum/Kanban setup.

Skills

Kotlin

Python

React

JavaScript/TypeScript

REST APIs

CI/CD

Testing

English (B2)

Tools

Docker

GitLab CI

Cloud platforms

UX/UI knowledge

Job description

xebiacee is seeking a senior full-stack engineer to build and maintain web applications spanning backend services and modern frontends.

You will switch between Kotlin, Python and React, contribute to APIs, cloud delivery, testing, and production support within an Agile team. Must work from within the European Union with valid work authorization. Excellent communication in English required.