Senior Fullstack Engineer – React and Kotlin

New

ITDSAdvertising technology

Workplace type: remoteFull-TimeSenior

Salary18,480 - 21,840 PLN per month

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Job Details

Languages: Polish (Communicative); English (Communicative)
Experience: At least 3 years of experience in full-stack development, with a focus on React and Kotlin.
Required Skills: SQLGCPKotlinMongoDBSpring BootTypeScriptReactRESTful APIsMicroservices

Have at least 3 years of full-stack development experience focused on React and Kotlin.
Be proficient in TypeScript, React, and HTML/CSS.
Have experience with Kotlin, Spring Boot, and microservices.
Have experience with cloud ecosystems, preferably GCP.
Understand database management, including MongoDB and SQL.
Be familiar with event-driven architectures and large-scale data processing.
Be able to communicate in Polish and English.
Have experience working in an Agile environment.
GCP or microservices architecture certifications are a plus.
Experience with Copilot or OpenCode is a plus.
Knowledge of accessibility standards and performance optimization is a plus.

Develop and maintain Kotlin backend services integrating machine-learning-driven recommendation engines with data science teams.
Build scalable, event-driven architectures to process large data volumes in cloud environments using GCP.
Design and implement high-performance APIs for analytical dashboards and market benchmarks.
Create and optimize React microfrontends for analytical tools, prioritizing accessibility and server-side rendering.
Collaborate with cross-functional teams to deliver software solutions.
Use testing frameworks such as Jest, Vitest, or Playwright to support code quality, performance, and reliability.
Contribute to microservice architectures using Spring Boot, MongoDB, SQL, and cloud-native tools.
Participate in code reviews, sprint planning, and technical discussions.

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