Senior .NET Engineer

Meniga

Senior .NET Engineer developing scalable fintech solutions for banks at Meniga. Collaborating with cross-functional teams and driving platform evolution towards AI capabilities.

Posted 4/26/2026contractWarsaw • 🇵🇱 PolandSenior💰 PLN 20,000 - PLN 29,000 per monthWebsite

Tech Stack

Tools & technologies

AzureCloud.NETPostgres

About the role

Key responsibilities & impact

Design, develop, and maintain high-quality .NET-based applications tailored for the banking sector clients
Have a direct influence on the system's architecture and platform evolution
Participate in the full software development lifecycle, including planning, development, testing, deployment, and maintenance
Collaborate with cross-functional teams to gather and analyze requirements, ensuring solutions align with business goals
Maintain high code quality through testing, reviews, and best practices
Optimize application performance and scalability to handle high-volume transaction data efficiently
Support on-premises deployments and help transition systems to cloud/hybrid environments
Troubleshoot, debug, and resolve complex technical issues in existing banking systems
Ensure the performance, quality, and responsiveness of applications through automated testing and optimization
Leverage AI tools as part of your daily development workflow

Requirements

What you’ll need

Strong experience with C# / .NET and backend development
Solid experience working with MSSQL or PostgreSQL
Experience working with cloud environments (preferably Azure)
Experience with database-heavy systems (beyond simple CRUD)
Solid understanding of object-oriented programming, design patterns, and software architecture
Can-do attitude under constraints, ability to work with demanding, on-premises bank environments
Strong sense of ownership and accountability
Comfortable using AI tools in daily work
Ability to work min. 2 days per week from the office
Bachelor’s degree in Software Engineering, Information Technology, or a related field

Benefits

Comp & perks

Private healthcare
Fitness allowance
Leave benefits
Work-life balance
Hybrid working
Meal allowance
Team-building events
Reimbursement for mobile phone subscriptions

ATS Keywords

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Hard Skills & Tools

C#.NETMSSQLPostgreSQLcloud environmentsobject-oriented programmingdesign patternssoftware architectureautomated testingperformance optimization

Soft Skills

can-do attitudeownershipaccountabilitycollaborationproblem-solving

Certifications

Bachelor’s degree in Software EngineeringBachelor’s degree in Information Technology