Senior Java Developer with Kafka - Tech Lead

Senior Java Developer (Kafka) – Tech Lead

Location: Remote

Role Overview

We are looking for an experienced Senior Java Developer to take on a Tech Lead role, responsible for designing and delivering scalable backend solutions for enterprise-level systems. The role focuses on microservices architecture, real-time data processing with Kafka, and technical leadership within cross-functional, international teams.

Key Responsibilities

• Design, develop, and maintain microservices using Java and Spring Boot

• Build and evolve RESTful APIs for high-performance backend systems

• Implement real-time data streaming and event-driven solutions using Apache Kafka

• Optimize application performance, scalability, and reliability

• Collaborate closely with Product, Architecture, and DevOps teams

• Act as a Tech Lead: provide technical guidance, mentor team members, and support architectural decisions

• Ensure high code quality, best practices, and CI/CD standards

  
  

Required Skills & Technologies

Must-have:

• Java

• Spring Boot

• Apache Kafka

• OpenShift

• Microsoft Azure

Additional requirements:

• Strong understanding of distributed systems and messaging architectures

• Experience with Docker

• Experience with relational databases

• Familiarity with Agile methodologies

  
  

Profile

• Proven experience in a Senior Developer or Tech Lead role

• Strong leadership and decision-making skills

• Excellent problem-solving abilities

• Strong communication skills in an international environment

  
  

Languages

• Advanced English (mandatory)

  
  

Benefits

• Medicover healthcare package

• Multisport card

• Access to an e-learning platform

• Group life insurance

  
  

Contract Details

• B2B contract

• Hourly rate: 160–180 PLN / hour