Senior/Lead Full-Stack Developer (.Net+Angular)

Luxoft; Kraków; On-site; PLN 167,400 - 223,200; Full time

Job summary

A leading IT consulting company in Kraków is seeking passionate backend developers with at least 5 years of experience in the financial services industry. The role involves building high-performance data-driven systems and designing web services while collaborating in an agile team environment. Candidates should have a strong grasp of C#, ASP.NET Core, and backend architecture principles.

Qualifications

• Minimum 5 years of backend development experience, preferably in financial services.
• Deep understanding of Object-Oriented Programming, SOLID principles, and design patterns.
• Strong communication skills and a collaborative mindset.

Responsibilities

• Build and optimize high-load, high-performance backend systems.
• Design and implement RESTful and SOAP-based web services.
• Collaborate with the Risk Management team and Portfolio Managers.

Skills

C#

ASP.NET Core

.NET Core

Entity Framework Core

RESTful web services

SOAP-based web services

Job description

Project description

We are looking for passionate and creative developers eager to craft innovative products and embrace new technologies. You will be part of a small, agile, and highly skilled team of technologists who are building next generation of solutions for Risk Management team and Portfolio Managers. To thrive in our team, you should possess an independent mindset while enjoying a collaborative working environment. We value candidates with full software lifecycle experience, encompassing requirements gathering, implementation, testing, release, and ongoing support.

Responsibilities

• Required qualifications:
• Minimum 5 years of backend development experience, preferably within the hedge fund or financial services industry
• Strong passion for backend architecture and application development, with a commitment to continuous learning and improvement
• Deep understanding of Object-Oriented Programming, SOLID principles, and design patterns
• Excellent communication skills and a collaborative mindset

SKILLS

Must have

• C#, ASP.NET Core, .NET Core, Entity Framework Core
• Building and optimizing high-load, high-performance, data-driven backend systems
• Designing and implementing RESTful and SOAP-based web services
• Experience with Service-Oriented Architecture (SOA)

Nice to have

• Exposure to JavaScript/UI frameworks (e.g., Angular, Bootstrap, jQuery) is a plus but not required
• Experience with Portfolio and Risk Management systems (e.g., What-If analysis, scenario modeling, real-time pricing)
• Familiarity with financial instruments (equities, derivatives, fixed income, etc.)
• Strong grasp of RDBMS concepts, data modeling, and database design
• Practice of Test-Driven Development (TDD) and performance profiling across the stack