Full Stack (Kotlin / React) Engineer

Full Stack (Kotlin / React) Engineer
Categories: Java
Type: Full-time (8h/day)
Location: Remote
Industry: Security

Project Description

Cybersecurity platform focused on attack simulation, vulnerability detection, and security validation.

Requirments

  • 3+ years of professional experience;
  • Strong Kotlin/JVM backend skills;
  • Solid React/TypeScript frontend skills;
  • Hands-on Docker experience in production, not just running containers;
  • Can design REST APIs and implement real-time communication (WebSocket/SSE);
  • Database design and query optimization;
  • Security awareness: input validation, rate limiting, resource management;
  • Can write technical documentation and explain architecture decisions;
  • Independent worker: can take a task from requirement to production with minimalhand-holding;
  • Strong English: daily async communication in writing, weekly video calls.
  • Location of a candidate: Europe only.

Responsibilities

  • Develop and maintain Kotlin-based services (Spring Boot or Ktor);
  • Design REST APIs and implement real-time features (WebSocket/SSE);
  • Build core logic for security simulations and validation;
  • Develop React + TypeScript interfaces and dashboards;
  • Integrate APIs and real-time data;
  • Manage Docker-based environments and container orchestration;
  • Automate deployment and optimise container performance;
  • Design schemas and optimise queries (PostgreSQL);
  • Apply secure coding practices (validation, rate limiting, resource control);
  • Deliver features end-to-end with minimal supervision;
  • Maintain clean Git workflows and technical documentation;
  • Communicate effectively with the team.

Work conditions

Mon – Fri, 8h/day, 10:00–16:00 Israel time (Mon–Thu mandatory overlap, Friday async).

Interviewing stages

  1. HR interview with EchoGlobal
  2. Non-techical interview with the client
  3. Technical take-home challenge (optional, not for all candidates)
  4. Technical interview with the client
  5. Job Offer

We offer

Work from anywhere

Work from anywhere (fully remotely or in our offices)

Competitive salary

Competitive salary based on the results of the interview

PTO

Paid vacation, national holidays and sick leaves

Professional education

Professional education reimbursement

Legal

Legal, accounting and taxes support

We accept job applicants preferably from Ukraine, but also consider talents from other parts of Europe and LATAM (primarily Brazil).

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Back in 2013, I founded EchoUA, which later evolved into EchoGlobal with a simple idea: to connect tech-oriented companies worldwide with top remote IT professionals. #Entrepreneur, #TalentHunter, #SoftwareEngineer
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✎ posted by

Lyubomyr Reverchuk