Senior C# Developer

Our B2B SaaS platform helps small and mid-sized companies—especially software houses—manage their daily operations in one place. It keeps track of clients and contracts, project details and team members, invoicing, employee records and salaries, contract changes, and vacation requests, making it easier to plan work, organize resources, and stay on top of everything. Industry: Finance/ ManagementLocation: Kraków / Hybrid/ Remote from Poland Responsibilities • Develop, maintain, and troubleshoot complex C# and SQL Server applications, including multithreaded applications • Design, develop and maintain SQL Server database schemas, tables, views, functions, and stored procedures • Participate in the full software development life cycle from planning and design to implementation and maintenance • Write clean, maintainable, and efficient code that adheres to industry best practices and coding standards • Collaborate with team members, product owners, and stakeholders to ensure project objectives and deliverables are met in a timely fashion • Participate in code reviews, testing, and deployment • Work with the GIT version control system to manage code repositories, merges, and branches • Be familiar with Control-M or any other job scheduler • Troubleshoot and debug issues as they arise, and ensure that they are resolved in a timely manner • Stay up-to-date with the latest technologies and industry trends related to C# and SQL Server development Team & Collaboration • Rotating team depending on project needs • Regular meetings: • Daily Standups (12:30PM) and retrospectives - after release • Communication: Chat, emails, and calls • Working hours: usually 9:00–17:00 CET  Qualifications: • 5+ years of experience in C# and SQL Server development • Strong knowledge of SQL Server database design and development • Experience with Python is a plus • Familiarity with GIT version control and Control-M • Strong problem-solving skills and ability to think critically • Excellent written and verbal communication skills • Ability to work effectively in a team environment • Bachelor's degree in Computer Science or a related field Nice to have: • Javascript • CSS/HTML • MVC • React.js Please note that the interview process is divided into four parts: • Technical phone screening (~30 minutes) • Technical interview (~2 hours) • Non-technical call with HR team (~30 minutes) • Call with client for which you will be working  Perks, Snacks & Everything Nice :) Work Environment & Flexibility • Top-quality equipment to support your work • Flexible working hours • Remote work option • Exciting and challenging projects with international teams Learning & Development • English lessons with a native speaker • Dedicated training budget for personal and professional growth Health & Well-being • Private medical insurance • Multisport card  • Air-conditioned workspace • Showers available at the office Food & Comfort • Lunches from Kraków’s top restaurants delivered to the office or a refund of the budget allocated for it • Fully stocked kitchen with drinks, fruit, and snacks Lifestyle & Fun • No dress code — dress comfortably • Chillout area with bean bags, therapy balls, PlayStation 4, Nintendo Switch 2 + games, stretching area, and pull-up bar • Regular team events Additional Perks • Indoor bicycle parking Wyrażam zgodę na przetwarzanie moich danych osobowych przez Montrose Software zgodnie z Polityką Prywatności. English Version:I consent to Montrose Software processing my personal data according to the Privacy Policy Zapoznałem sie z Polityka Ochrony Sygnalistów Montrose Software. English Version: I consent to the Montrose Software Whistleblower Protection Policy.