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September 1, 2026

Senior Technology Specialist - Software Engineer (Golang Stream Lead)

Senior • On-site

Krakow, Poland

We are seeking a highly skilled Senior Golang Developer to design, develop, and maintain backend systems supporting IT/OT applications. The role focuses on building robust APIs, managing databases, and ensuring a scalable, maintainable serverless architecture.

Responsibilities

  • Write clean, efficient, and maintainable code to meet project requirements.
  • Lead and mentor a team of 5–6 software engineers from a technical standpoint, providing architectural guidance, code-quality oversight, and hands-on technical leadership throughout the development lifecycle.
  • Split time between 50% hands-on development and 50% technical leadership; this is individual-contributor leadership with no direct reports.
  • Collaborate with cross-functional teams to design, develop, and maintain high-performing applications.
  • Identify and promptly resolve software issues to ensure continuous operation.
  • Participate in code reviews and refine coding standards to improve efficiency.
  • Stay current with methodologies and emerging technologies.
  • Contribute to projects and drive real-time, data-centric initiatives.
  • Advocate for process and data quality within development teams.
  • Gather requirements and help build roadmaps and architectures supporting Product Team objectives.
  • Ensure solution quality and proactively address technical debt for long-term sustainability and scalability.
  • Follow agile development methodologies.

Requirements

  • 8+ years of experience with modern data architectures and relevant technologies.
  • Strong experience in Go is desirable; extensive experience in another contemporary programming language is also welcomed.
  • Strong problem-solving skills, particularly in Golang development.
  • Ability to balance technical feasibility, business requirements, and resource constraints.
  • Proven ability to communicate with stakeholders at different levels, explain technical concepts, and align on strategic objectives.
  • Experience with AWS or another public-cloud provider.
  • Expertise in data modelling, design patterns, and building highly scalable, secure analytical solutions.
  • Strong experience with relational databases.
  • Proven experience in code testing and building high-quality software.
  • English at C1 level.
  • Ability to work independently and take ownership of work.

Nice to Have

  • Experience with distributed systems at scale.
  • Experience with Git and CI/CD, including GitHub Actions and Argo CD.
  • Experience with infrastructure-as-code tooling, such as Terraform or CloudFormation, to orchestrate AWS components.
  • Technical leadership experience.
  • Experience with containerized environments, such as Kubernetes.
  • Strong communication skills.

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