.NET Developer

.NET Developer

Salary: Up to 120 PLN/h net + VAT (B2B)

Location: Warsaw, Poland

Work Model: Hybrid (75% remote)

We are looking for an experienced .NET Developer to join the team of our client—a prominent and stable financial institution.

Please note: Optiveum acts as the recruitment partner and the direct contracting party for this role. The successful candidate will sign a B2B cooperation agreement directly with us.

Your Responsibilities

• Designing and implementing IT systems, including Oracle-based solutions.

• Collaborating with business end-users to gather and analyze requirements, specifically detailing broad business concepts into actionable tasks.

• Actively participating in internal software testing.

• Creating and updating technical and functional system documentation.

• Collaborating on the development of new solutions and shaping technical directions.

• Implementing data quality improvements in systems and applications exporting data to the data warehouse.

• Reviewing technical specifications and project documentation provided by third-party external vendors.

What We Expect

• A minimum of 3 years of programming experience using C#, .NET (including 4.5), WCF, SQL, SQL Server Integration Services (SSIS), HTML, and MVC .NET

• Proficiency in JavaScript, jQuery, jQuery UI, HTML5, and CSS3.

• Familiarity with the Visual Studio Ultimate 2013 environment.

• Solid experience in developing web applications.

• Knowledge of unit testing and test automation processes.

• Strong understanding of design patterns and Object-Oriented Programming (OOP) principles.

• Practical experience designing and developing IT systems for the financial sector or organizations of similar complexity.

• Strong analytical thinking skills with the ability to precisely define business and system requirements.

• Excellent communication and negotiation skills for effective collaboration with business clients, internal teams, and external suppliers.

• High degree of independence, strong goal orientation, and great organizational skills.

• Native Polish and Advanced English, enabling seamless work with technical documentation.

Nice to Have

• Basic understanding of UX design principles.

• Familiarity with Agile and XP methodologies.

• Knowledge of PL/SQL and Oracle databases.

• Practical experience with at least one CASE tool (e.g., Sparx Systems Enterprise Architect) and UML.

• Experience working in a matrix organization and knowledge of ITIL.

What We Offer

• A highly competitive rate of up to 120 PLN/h net.

• A flexible hybrid work environment (75% remote) with occasional visits to the Warsaw office.

• A technologically engaging project within a highly stable industry.

• A transparent and direct B2B contract signed seamlessly with Optiveum.

• Full professional support from our team throughout the recruitment process and your contract duration.