Principal Full-Stack Developer (.Net+Angular)

About the Position

We are seeking a Principal Full-Stack Developer (.Net+Angular) to join our team in Gdansk, Poland. If you have a passion for innovative product development and a strong background in software engineering, we want you on our team.

Responsibilities

• Collaborate with business stakeholders to understand requirements and translate them into technical solutions
• Design, develop, test, deploy, and maintain scalable applications using C#/.NET and Angular
• Enhance and extend existing functionality based on user feedback and evolving business needs
• Develop complex business logic and analytical calculations to support capital usage and scenario modeling workflows
• Build and maintain interactive data visualizations, reports, and charts
• Develop and integrate REST/HTTP-based services and messaging solutions where required
• Troubleshoot, debug, and resolve production issues while ensuring high application availability and performance
• Participate in code reviews, technical design discussions, and continuous improvement initiatives
• Work closely with a small, cross-functional team to deliver high-quality software
• Ensure software quality through unit testing, integration testing, and adherence to engineering best practices

Requirements

• Minimum 8 years of software engineering experience, preferably within the hedge fund or financial services industry
• Deep expertise in C#/.NET
• At least 4 years of frontend development experience
• Strong knowledge of Angular and TypeScript, with hands-on experience within the last 3 years
• Strong understanding of computer science fundamentals, including algorithms and data structures
• Deep understanding of object-oriented design and programming (OOD/OOP)
• Solid knowledge of SOLID principles and design patterns
• Experience with multi-threaded and concurrent programming
• Proven ability to design, build, and support scalable, high-availability applications in production environments
• Strong passion for backend architecture and application development, with a commitment to continuous learning and improvement
• Excellent written and verbal English communication skills
• Strong collaboration and stakeholder management skills
• Independent, proactive mindset with a high level of ownership and accountability

Nice to Have

• 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

We Offer

• Relocation options
• Experience in an international environment
• Cross-cultural experience
• Feedback culture
• Regular appraisals
• Annual holiday - 20 or 26 days (depending on seniority)
• Occasional leave - 1 or 2 days (depending on circumstances)
• Child care leave - 2 days or 16 hours per year
• Absence due to force majeure - 2 days or 16 hours per year
• Maternity Leave - 20 weeks
• Parental Leave - 41 weeks
• Paternity Leave - 14 days
• Expert-led tech courses
• Internal instructor-led soft skills courses
• Comprehensive in-house self-learning resources
• Access to external self-learning libraries
• Cloud Programs: MS Cloud Academy, AWS Partner Academy, Google Cloud Academy
• Custom Learning Programs: upskilling, reskilling, technical mentorship
• Leadership Programs for Managers
• Multisport card
• LuxGood Program: wellbeing seminars, contests, relaxation sessions, yoga sessions, etc.
• One Team Program: Buddy for each New Joiner; seminars, meeting and workplace space to support integration with local community and culture; “Hire me” workshops for partners
• Preferential banking offer
• Preferential car leasing offer
• Cafeteria program discounts
• Luxoft Social Benefit Fund: sport and recreation benefits
• Private Healthcare Insurance with unlimited access to specialists
• Full dental support
• Travel Insurance
• Possibility to add private healthcare coverage for family members at the corporate rate
• Life insurance at the corporate rate for employees and family members
• Reimbursement for corrective glasses
• Fun social activities organized by the Luxoft team
• Online entertainment events for the whole company and local team events
• A workplace where you’re treated with respect within a multicultural team
• Rotation between projects and accounts
• New career opportunities

About the Company

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 solutions for the 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.