Senior .NET/Angular Full-Stack Lead — Enterprise Integrations

Jobtailor

Wrocław

On-site

PLN 180,000 - 300,000

Full time

9 days ago

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Job summary

Jobtailor in Wrocław, Poland is seeking a senior full‑stack engineer to own complex enterprise integrations and end‑to‑end data pipelines. You will drive API integrations, front‑end design with Angular, and back‑end work in .NET, SQL Server, and ETL tooling, ensuring performance and reliability.

The role requires hands-on leadership, mentoring, and close collaboration with architects and delivery teams across migrations.

Qualifications

6+ years of experience in application engineering / full stack development.
Significant exposure to enterprise integrations.
Prior experience in lead or senior technical roles with ownership of production systems.
Experience supporting large migrations, platform transitions, or enterprise cutovers is highly desirable.
Strong hands-on experience with Angular version 20+.
Expertise in TypeScript, HTML5, CSS3, and modern JavaScript (ES6+).
Experience with component-based architectures, reusable modules, and shared UI libraries.
Understanding of Angular lifecycle hooks, dependency injection, routing, and state management.
Experience with RxJS and reactive programming.
Ability to consume and integrate REST APIs into Angular applications.
Experience implementing UI authentication and authorization mechanisms.
Proficiency in frontend performance optimization, change detection strategies, and lazy loading.
Familiarity with responsive design and enterprise UI standards.
Experience troubleshooting production UI issues with minimal supervision.
Strong hands-on experience with .NET / .NET Core, C#, and full stack application development.
Extensive experience with RESTful API design and integration.
Knowledge of JSON payloads, schema validation, authentication and authorization, structured error handling, and resiliency patterns.
Advanced expertise in SQL Server, including complex query design, stored procedures, performance optimization, and controlled production data fixes.
Strong understanding of data reconciliation, validation, and high-volume data handling.
Hands-on experience with Azure Data Factory (ADF) and/or SSIS.
Knowledge of batch processing, scheduling, and dependency management.
Experience designing scalable data pipelines for enterprise integrations.

Responsibilities

Lead API integrations using REST, JSON, OAuth2, JWT, API keys, and other authentication mechanisms.
Lead front-end application design and implementation using Angular, HTML, and TypeScript.
Own complex production systems and integrations end to end.
Mentor and guide engineers on integration patterns, coding standards, and operational best practices.
Coordinate multiple teams during migrations and production cutovers.
Lead production issue triage, root-cause analysis, remediation, migrations, and release cutovers.
Collaborate with stakeholders, architects, and delivery teams to translate requirements into technical solutions.
Ensure system stability, observability, and operational readiness.