Senior Back-end Software Engineer (.NET) job in Kraków / remotely

Senior Back-end Software Engineer (.NET)

Project - the aim you'll have

Our team works with a British insurance company on cybersecurity. We develop customer care applications which serve as the communication channel between the insurance company and its customers. The main app’s functional features are checking if the customer has secure enough infrastructure to have the agreement with that company.

Position - how you'll contribute

Most of the team’s work involves product configuration using SQL scripts and making small 
adjustments to existing C# services to configure our products and documents creation. Given the 
critical nature of the team’s domain to our business, attention to detail and a strong quality mindset 
are essential to maintain platform stability. We’re looking for someone who is highly focused, 
committed to quality, and accustomed to thoroughly testing their work, both through automated 
and manual methods.

Expectations - the experience you need
  • Strong experience in C# (.NET) for backend development.
  • Proficient in SQL and database development (e.g., SQL Server).
  • Write clean, efficient, and maintainable code with a strong focus on quality, testing, and best practices.
  • Develop and optimize SQL queries, stored procedures, and database structures for performance and reliability.
  • Familiarity with RESTful APIs and microservices architecture.
  • Identify, troubleshoot, and resolve backend issues proactively and efficiently.
  • Someone who is task-focused and works effectively on business-as-usual features.
  • Help maintain up-to-date documentation of solutions, processes, and technical decisions.
  • Quality-Oriented Mindset 
    • Strong attention to detail with a commitment to delivering high-quality solutions.
    • Experience with automated testing, debugging, and code reviews.
    • Also willing to conduct manual testing sessions for our legacy systems.
  • Experience with CI/CD pipelines and DevOps practices.
  • Ability to anticipate challenges, propose solutions, and take ownership of tasks.
  • A problem-solving mindset and a drive to improve systems and workflows.
  • Strong verbal and written communication skills
  • Ability to clearly articulate technical concepts to both technical and non-technical stakeholders.
Our offer – professional development, personal growth
Hover on each benefit to learn more
Decide on the form and conditions of your employment
*Applicable in: Poland & Latam & MD/RO
Flexible employment and remote work
*Applicable in: Poland & Latam & MD/RO
Work with the latest technologies for industry leaders
*Applicable in: Poland & Latam & MD/RO
International projects with leading global clients
*Applicable in: Poland & Latam & MD/RO
Travel to clients’ and work in their environments
*Applicable in: Poland & MD/RO
International business trips
*Applicable in: Poland & MD/RO
Work comfortably in a relaxed and inspiring atmosphere that does not enforce a dress code
*Applicable in: Poland & Latam & MD/RO
Non-corporate atmosphere
*Applicable in: Poland & Latam & MD/RO
Develop your skills at work – language classes come to you
*Applicable in: Poland & MD/RO
Language classes
*Applicable in: Poland & MD/RO
Develop your competences and skills through skill centers and webinars
*Applicable in: Poland & MD/RO
Internal & external training
*Applicable in: Poland & MD/RO
Take care of the health of you and your loved ones
*Applicable in: Poland & MD/RO
Private healthcare and insurance
*Applicable in: Poland & MD/RO
Work out, swim and enjoy other fun activities
*Applicable in: Poland & MD/RO - monthly sport budget
Multisport card
*Applicable in: Poland & MD/RO - monthly sport budget
Take part in activities that support your physical and mental health
*Applicable in: Poland & Latam & MD/RO
Well-being initiatives
*Applicable in: Poland & Latam & MD/RO
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