Senior .NET Integration Engineer—Trading & Investments

Be | Shaping the Future Poland; Polska; On-site; PLN 150,000 - 230,000; Full time

Benefits offered by this job

Medicover

Multisport

Mindgram

Gym at Q22

Job summary

Be | Shaping the Future Poland is seeking a .NET Developer (C#) to support integration of an external portfolio management tool into the Investment Bank Equities platform. You will work with senior developers and business teams on front-office technology initiatives.

The role focuses on developing and maintaining integration solutions between trading and investment platforms and external banking systems, involving REST APIs, data exchange, and ORM frameworks. Fluency in English is required.

Qualifications

• 3+ years of professional .NET/C# experience in commercial apps.
• Degree in IT, CS or related field.
• Strong OOP, design patterns, clean code.
• Experience with REST APIs and backend integrations.
• Experience with SQL databases (Oracle preferred).
• English fluency (written and spoken).

Responsibilities

• Develop and maintain .NET/C# components for integration with portfolio tool.
• Design and support backend integration between trading and investment platforms.
• Implement ETL and data delivery using REST APIs, files, Oracle SQL, and ORMs.
• Support data exchange and system interoperability workflows.
• Troubleshoot production integration issues and incidents.
• Collaborate with tech and business teams on requirements.
• Participate in code reviews, testing, deployments.
• Assist migration and transformation of data sources.
• Troubleshoot with guidance from seniors.
• Possibly contribute to front-end or trader-facing apps if skilled.

Skills

.NET/C# development

REST APIs

SQL databases

OOP principles

English fluency

Education

Bachelor's degree in IT/CS

Tools

NHibernate

WPF

Angular

Job description

Be | Shaping the Future Poland is seeking a .NET Developer (C#) to support integration of an external portfolio management tool into the Investment Bank Equities platform. You will work with senior developers and business teams on front-office technology initiatives.

The role focuses on developing and maintaining integration solutions between trading and investment platforms and external banking systems, involving REST APIs, data exchange, and ORM frameworks. Fluency in English is required.