Senior Backend API Developer

Net

Senior Backend API Developer

Net
Centrum, Warsaw

emagine Polska

Full-time
Any
Senior
Remote

Job description

Summary:

The Senior .Net API Developer role focuses on developing and maintaining the Nordic commercial integration layer, enhancing secure and scalable integrations within the Auto and Consumer Finance space. The primary goal is to lead initiatives in backend API development while maintaining high standards of quality and technical stability.

What we offer:

  • Remote Role

  • B2B Contract

  • Big International project

  • Rate: 160-180 zł/hour +VAT

Responsibilities:

  • Design and implement new external partner REST APIs

  • Lead backend development initiatives from idea to production

  • Translate complex business requirements into scalable technical solutions

  • Contribute to architectural decisions in collaboration with the Architect

  • Maintain and enhance existing integration services

  • Improve performance, scalability, and reliability

  • Produce and maintain technical documentation

  • Ensure adherence to architectural guidelines and security standards

  • Participate in agile ceremonies and technical discussions

Key Requirements:

  • Senior-level backend development experience

  • Proven ability to lead development of new applications and APIs

  • Strong architectural understanding and design capabilities

  • Experience with .NET / .NET Core

  • Hands-on knowledge of RESTful services and OAuth

  • Technical expertise in Azure and Azure DevOps

Nice to Have:

  • Experience with Application Insights

  • Knowledge of PowerShell

  • Familiarity with Azure API Management

  • Understanding of SQL/NoSQL databases

  • Experience with AKS and SOLID principles

Tech stack

    English

    B1

    .Net

    master

    API (Application Programming Interface)

    master

    Security

    advanced

    Financial Services

    advanced

    Backend

    advanced

    CI/CD

    advanced

    REST

    advanced

    Powershell

    advanced

    Agile

    advanced

    SQL

    advanced

Office location

Published: 09.03.2026

Senior Backend API Developer

Summary of the offer

Senior Backend API Developer

Centrum, Warsaw
emagine Polska
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