Technical Lead - .NET & React for Enterprise APIs

Intellias

Poland

On-site

PLN 260,000 - 380,000

Full time

7 days ago
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Job summary

Intellias is seeking a senior software engineer with 10+ years of experience to provide technical leadership on a CDI stabilisation programme for a Fortune 500 client. You will design APIs, microservices, and integration patterns within a large enterprise system, guiding platforms toward cloud-native, AI-assisted engineering practices.

You will collaborate with architects and stakeholders to translate requirements into scalable solutions, uphold coding standards, and mentor engineers across

Qualifications

  • 10+ years of software engineering experience with at least 2-3 years in a technical leadership role.
  • Strong expertise in .NET / ASP.NET Core and React.
  • Hands-on experience designing and building enterprise-grade APIs and microservices.
  • Strong understanding of distributed systems and integration architecture patterns.
  • Experience with Azure cloud services and cloud-native development.
  • Experience with Event-Driven Architecture and messaging technologies.
  • Strong knowledge of CI/CD, DevOps and engineering best practices.
  • Experience with observability, monitoring and performance optimisation.
  • Familiarity with AI-assisted development tools such as GitHub Copilot.
  • Excellent communication and stakeholder engagement skills.
  • English: Upper-Intermediate or higher.

Responsibilities

  • Provide technical leadership across CDI stabilisation initiatives, PoCs and future platform foundation activities.
  • Drive technical design and architectural decision-making for integration services, platform components and supporting capabilities.
  • Collaborate with architects, analysts and business stakeholders to translate requirements into scalable technical solutions.
  • Lead the design and implementation of APIs, microservices and integration patterns within a complex enterprise ecosystem.
  • Define engineering standards, development practices, coding guidelines and quality controls.
  • Review solution designs and code to ensure maintainability, scalability, security and performance.
  • Mentor and support engineering team members through technical leadership and knowledge sharing.
  • Support observability, monitoring and operational excellence initiatives.
  • Participate in technical investigations, root cause analysis and problem resolution activities.
  • Contribute to PoCs, architecture validation activities and future CDI platform capabilities.
  • Dive into DevOps, CI/CD and AI-assisted engineering practices.
  • Collaborate with cross-functional teams to ensure successful delivery of stabilisation and platform roadmap objectives.

Skills

Senior engineer
NET/ASP.NET Core
React
APIs & microservices
Distributed systems
Azure cloud
Event-driven architecture
CI/CD & DevOps
Observability & performance
GitHub Copilot
English Proficiency

Tools

GitHub Copilot

Job description

Intellias is seeking a senior software engineer with 10+ years of experience to provide technical leadership on a CDI stabilisation programme for a Fortune 500 client. You will design APIs, microservices, and integration patterns within a large enterprise system, guiding platforms toward cloud-native, AI-assisted engineering practices.

You will collaborate with architects and stakeholders to translate requirements into scalable solutions, uphold coding standards, and mentor engineers across

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