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Java Developer (Telecom domain)

Remote (Ukraine) Ukraine Engineering Java Software Development
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Required skills

Java / strong
Spring Boot / strong
Microservices / strong
AI toolsets / good
English / strong

Are you a Middle Java Developer passionate about building scalable, high-quality solutions? This role offers the flexibility to work remotely or onsite.

At Sigma Software, we believe technology is a tool to create value, not an end in itself. We thrive on solving complex problems in simple, elegant, and cost-effective ways. Joining us means working in a collaborative environment where autonomy, creativity, and innovation are encouraged.

Customer

Our customer is top-ranking telecom infrastructure companies globally with nearly 100,000 employees. It delivers products and services needed for mobile and fixed-line communication, radio networks and transmission networks. More than 40% of phone calls are made through their systems and more than 2 billion people worldwide use their network.

Requirements

  • 3+ years of software engineering experience
  • Strong knowledge of Java 8+, Spring Boot, and microservices architecture
  • Experience with Git, CI/CD tools, and Docker
  • Proficiency in relational and non-relational databases
  • Good estimation skills and ability to evaluate solution trade-offs
  • Familiarity with documentation, SDLC, and ALM tools
  • Understanding of data structures, algorithms, and object-oriented design
  • Experience with AI toolsets and prompt engineering
  • Upper-Intermediate English level

​​​​​​​WILL BE A PLUS:

  • Experience with React JS

Responsibilities

  • Take ownership of tasks from requirements gathering to production release and ongoing support
  • Collaborate closely with teammates, offering assistance and seeking help when needed
  • Communicate effectively with stakeholders and cross-functional teams
  • Write clean, maintainable code and conduct peer reviews to ensure quality
  • Ensure software adheres to best practices and maintainability standards
  • Participate in requirements clarification, estimation, and planning sessions
  • Prepare technical and user documentation
  • Attend project and team meetings, contributing relevant insights
  • Proactively suggest improvements and raise issues to stakeholders and project management
Meet your team!

WHY US

  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities

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