Fullstack Engineer (Java&Kotlin + JavaScript)

Custom Software Development Company
$15,000 - $20,000Remote

About The Position

We are The Codest, an international tech software company with tech hubs in Poland delivering global IT solutions and projects. Our core values are a "Customers and People First" approach, prioritizing customer needs and fostering a collaborative environment for employees. We specialize in web development, cloud engineering, DevOps, and quality. After developing our product Yieldbird, we aim to help tech companies build impactful products and scale their IT teams by boosting IT delivery performance. We are seeking goal-driven individuals to join our growing team in an enriching and collaborative environment. This project involves working with one of Europe's largest e-commerce platforms, used by millions daily. The initiative focuses on designing a vertical-specific user experience for the automotive category, transforming the platform into specialized "stores within a store." The role is primarily backend-focused (approx. 60%) with active frontend development (approx. 40%).

Requirements

  • Ability to effectively use AI-assisted development tools (e.g. GitHub Copilot, OpenCode, or other agentic coding tools) as part of the day-to-day software development workflow.
  • Strong proficiency in Java and Kotlin, with experience in building scalable backend applications.
  • Strong knowledge of Spring Boot for developing modern applications and REST APIs.
  • Strong focus on code quality, testing, and application performance, as well as the ability to build both technical and business monitoring for developed products.
  • Experience in designing, implementing, and maintaining distributed microservices-based architectures.
  • Hands-on experience with GitHub Copilot, OpenCode, or other agentic coding tools.
  • Strong proficiency in TypeScript and modern JavaScript.
  • Good knowledge of React and its ecosystem for building user interfaces.
  • Solid understanding of semantic HTML5 and the ability to create responsive layouts using CSS.
  • Practical knowledge of building accessible web applications in line with WCAG standards.

Nice To Haves

  • Hands-on experience working with cloud platforms, with a particular focus on Google Cloud Platform (GCP).
  • Basic knowledge of both relational (SQL) and NoSQL databases, with a particular focus on MongoDB.
  • Practical knowledge of SQL.
  • Experience working with Microfrontend architecture.

Responsibilities

  • Develop and enhance the automotive vertical experience as part of a key strategic initiative focused on creating specialized marketplace experiences.
  • Design, build, and maintain scalable backend services and REST APIs using Java/Kotlin and Spring Boot.
  • Develop frontend features using React and TypeScript, working with existing components and Microfrontend architecture.
  • Design and maintain distributed, microservices-based solutions, with a strong focus on code quality, testing, performance, and reliability.
  • Work with Google Cloud Platform (GCP), SQL and NoSQL databases, including MongoDB.
  • Build and maintain technical and business monitoring for developed products and features.
  • Use AI-assisted development tools, such as GitHub Copilot, OpenCode, and other agentic coding solutions, as part of your daily development workflow.
  • Collaborate with engineers, product teams, and other stakeholders to deliver new features and continuously improve the platform.

Benefits

  • Access to the Worksmile platform
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