Lead .NET Engineer

Lead .

NET EngineerRemote140–160 PLN/h B2BFull-time (FTE)*Project starts with a 2–3 week onboarding and training period in the US, followed by fully remote work.

About the roleWe are looking for an experienced Lead .

NET Engineer to take ownership of a squad responsible for core platform services, APIs, and payment integrations.

In this role, you will combine hands-on software engineering with technical leadership. You will define technical direction, partner with Product on roadmap delivery, mentor engineers, and help drive the adoption of AI-assisted development practices across the software delivery lifecycle.

ResponsibilitiesOwn squad-level architecture and technical decision-making.

Lead the design, development, and operation of backend services and APIs.

Ensure high standards of code quality, performance, security, and reliability.

Drive incident management and operational excellence.

Collaborate closely with Product Managers and stakeholders to deliver roadmap priorities.

Mentor engineers through coaching, technical guidance, and regular feedback.

Participate in hiring and team growth activities.

Promote and implement AI-assisted development tools and best practices.

Contribute to continuous improvement of engineering processes, CI/CD, and platform capabilities.

Must-have requirements6–10+ years of experience building and operating production software systems.

Proven experience in a Technical Lead, Lead Engineer, or similar leadership role.

Strong backend development experience with C#/.

NET.

Working knowledge of frontend technologies such as React or Vue.

Experience designing and operating distributed systems and microservice architectures.

Strong SQL and database design skills.

Experience working within payments, financial services, or other regulated environments.

Hands-on experience with AWS services, including:

SQSDynamoDBS3ECSLambdaExperience owning and improving CI/CD pipelines.

Strong communication and stakeholder management skills.

Nice to have

Experience building large-scale payment platforms or fintech products.

Previous people-management responsibilities.

Experience with platform modernization and cloud transformation initiatives.

Experience implementing AI-powered engineering tools and workflows.

Tech StackC#.

NETAWSECSLambdaSQSDynamoDBS3SQLMicroservicesREST AP

• IsCI/CD
• React / VueAI-assisted Development
• What we offerLong-term engagement in a strategic product initiative.

High-impact technical leadership role.

Opportunity to shape engineering standards and architecture.

Exposure to modern AI-assisted development practices.

International environment and collaboration with US-based teams.

Fully remote work after onboarding period in the US.