Senior Integration Engineer / Senior Back-end Engineer
New
N
N-iXSoftware Development
Locations: Kraków, Zabłocie 43A, Warszawa, Poznańska 37, Wrocław, Gen. Władysława Sikorskiego 26, Kraków, Country code: PLFull-TimeSenior
Salary6,800 - 7,300 USD per month
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Job Details
- Languages
- Excellent verbal and written English skills
- Experience
- 3+ years
- Required Skills
- AWS.NET coreMicroservices
Requirements
- 3+ years of experience in AWS/cloud and .NET Core development, ideally in an integration-focused engineering role.
- Proven experience building .NET-based integration services and microservices.
- Hands-on AWS/cloud experience across development, deployment, monitoring, secure configuration, and operational support.
- Strong API integration expertise: authentication, data contracts, pagination/batching, rate limits, retries, error handling, and idempotent processing.
- Solid grounding in event-driven and asynchronous integration patterns.
- Experience with data ingestion and integration pipelines, including historical loads, incremental feeds, scheduling, and webhooks.
- Track record of ensuring data quality, reconciliation, and secure handling of financial or operational data.
- Strong collaboration, documentation, and knowledge-sharing skills within an established engineering team.
- Excellent verbal and written English skills.
Responsibilities
- Design, build, and maintain .NET-based integration services and microservices supporting the Workday-to-Data-Lake and Marketplace-to-HubSpot initiatives.
- Develop, deploy, monitor, and operationally support cloud solutions on AWS, ensuring secure configuration throughout.
- Implement robust API integrations covering authentication, data contracts, pagination/batching, rate limits, retries, error handling, and idempotent processing.
- Build event-driven and asynchronous integration flows, including webhooks, scheduling, historical loads, and incremental data feeds.
- Ensure data quality and reconciliation across integration pipelines, with clear source-of-truth ownership and secure handling of financial and operational data.
- Partner with the squad's Tech Lead and team members to align with the existing reference architecture, priorities, and delivery plans.
- Produce clear technical documentation and actively share knowledge within the engineering team.
- Maintain skill overlap with the second integration engineer across both solutions to ensure delivery continuity.
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