Senior .NET Developer

We are Trask. We help companies in financial services, insurance, telecommunications, energy, and automotive to handle complex technological challenges – from system integration and data platforms to core systems.

We have been on the market since 1994 and continue to grow internationally.

We are currently strengthening a team focused on banking systems and payments, which is part of our Integration Division.

We are looking for a Senior .NET Developer who:

• is comfortable working with a complex backend architecture,
• understands database-driven logic,
• and is able to deliver production-ready code independently.

• Design, develop, and maintain applications using .NET Framework and .NET Core and related technologies
• Participate in system architecture discussions and contribute to technical solution design
• Integrate applications with external APIs and internal enterprise systems
• Maintain and optimize existing services, including bug fixing, refactoring, and performance tuning
• Work with Microsoft SQL Server, including data modeling, stored procedures, and database-driven application logic
• Collaborate on frontend-related tasks where needed (Angular – limited scope)
• Participate in code reviews, create automated tests, and ensure adherence to development standards and best practices
• Create and maintain technical documentation
• Cooperate closely with a team of developers and relevant internal stakeholders

Must-have:

• Senior-level experience with .NET development
• Very good knowledge of Microsoft SQL Server
• Ability to work with an existing, large-scale codebase
• High level of independence and responsibility

• Experience with Angular or another frontend framework
• Experience with integration-heavy or backend-oriented systems

• Customized working hours: Flexible scheduling tailored to your individual needs.
• Vacation and time off: Guaranteed 5 weeks of vacation and 3 sick days.
• Flexible work environment: Ability to work from home, company offices, or directly at client sites.
• Education: Training, conference attendance, e-learning programs, and language courses.
• On-site refreshments: Diverse selection including cookies, fruit, coffee, and hot chocolate.
• Seamless mobile communication: 50 GB of mobile data + unlimited company-paid calling. Discounted O2 Family tariffs for family members.
• Choice of benefits: MultiSport card, pension insurance contribution, discounts (Alza, pharmacies, tickets, and other experiences).
• Additional employee perks: Access to employee loans, discounts with business partners, opportunities for volunteer work, and participation in team-building activities.