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Sii Poland

Senior Software Engineer (f/m/x)

Europe (non-EU)

October 12, 2026 at 4:54 AM

✨ AI summary

Location

  • Ukraine

Programming Languages

  • Java
  • Python
  • JavaScript
  • Golang

Frameworks

  • React.js
  • Node.js

Cloud Services

  • GCP
  • AWS

Experience Level

  • Minimum 5 years experience
Join an international team taking ownership of a complex business-critical software platform for a global leader in the energy and maritime industry. As a Senior Software Engineer, you will help drive the platform’s future development, contribute to cloud transformation initiatives, and tackle challenging engineering problems using modern technologies and development practices. This role offers the opportunity to work across software development, cloud, and platform engineering while making a real impact on the product's evolution.

Your tasks

  • Taking ownership of complex custom software solutions and development pipelines
  • Setting up a cloud-based environment in GCP for development, build, and deployment
  • Collaborating with a team of developers to enhance and maintain the existing solution
  • Utilizing modern technologies, including Java, Python, React.js, Node.js, and Golang
  • Implementing Infrastructure as Code (IaC) automation using tools such as Terraform and Ansible
  • Working with version control systems like GitHub and CI/CD tools like GitHub Actions
  • Maintaining legacy pipelines in Jenkins as needed
  • Exploring opportunities for integrating data streaming solutions such as Kafka or RabbitMQ

Requirements

  • Minimum 5 years of experience as a full-stack developer
  • Strong expertise in Java, Python, React.js, Node.js, and Golang
  • Experience with cloud platforms, specifically GCP and AWS
  • Familiarity with Infrastructure as Code (IaC) automation and scripting tools such as Terraform, Ansible
  • Proficient in using GitHub and CI/CD practices
  • Advanced level of English
  • Tax residency in Ukraine is required

Nice to have

  • Experience with data streaming solutions like Apache Kafka or RabbitMQ
  • Knowledge of power systems, edge computing, or IoT
  • Familiarity with hardware or bare metal solutions

Job no. JOB-36CP6

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

  • Refferals program
  • Solid financial situation
  • Many experts you can learn from
  • Contracts with the biggest brands
  • Mentoring program
  • 14 authentic core values
  • Inclusive culture based on dialogue
  • Regular integration events and trips
  • Passion Sponsorship Program
  • Open and accessible management team
  • Profit sharing
  • Welcome packs & occasional gifts