Senior/Lead Backend Engineer

Summary

Join Capco, a global technology and management consultancy, as a Senior Backend Engineer in Poland. This hybrid role, preferably based in Warsaw, involves leading the design, development, and optimization of an equity booking system. You will collaborate with cross-functional teams, mentor junior engineers, and ensure system performance and integration. The ideal candidate possesses strong C# expertise, deep understanding of equity derivatives, and experience building scalable backend systems. Capco offers various benefits, including remote work possibilities, multiple employee benefit packages, access to online courses, and a supportive work culture.

Requirements

• Strong expertise, min 6 years of experience in C#, with proven experience building scalable backend systems
• Deep understanding of equity derivatives products (Options, Range Accruals, Equity Swaps, Accumulators) and their life cycle, with an ability to translate this knowledge into high-quality software solutions
• Experience with RESTful APIs, network protocols, and system integration strategies
• Proficiency in performance tuning and optimization of complex financial systems to meet strict latency and throughput requirements
• Good command of English (both written and spoken)
• Bachelor/Master Degree in Computer Science or related topic

Responsibilities

• Lead System Design & Development: Design, develop, and optimize the EQ booking and life cycle system for scalability and performance
• Collaborate with Teams: Work with Front Office, Middle Office, and Quant teams to define requirements and integrate pricing models
• System Integration & Performance: Ensure smooth integration with other systems via APIs and optimize system performance
• Mentor & Guide Developers: Provide technical mentorship and set best practices for the team
• Troubleshoot & Solve Issues: Proactively resolve technical issues and make decisions to maintain system functionality
• Ownership & Accountability: Take ownership of projects and deliver high-quality solutions on time

Preferred Qualifications

• Familiarity with Java is a nice-to-have, allowing for flexibility in working across different parts of the technology stack
• Polish is nice to have
• AWS/GCP/Azure
• Java
• Spring Boot
• Kafka
• Docker
• Kubernetes
• Capital Markets experience/ banking experience/ financial services experience

Benefits

• Employment contract and/or Business to Business - whichever you prefer
• Possibility to work remotely
• Speaking English on daily basis, mainly in contact with foreign stakeholders and peers
• Multiple employee benefits packages (MyBenefit Cafeteria, private medical care, life-insurance)
• Access to 3.000+ Business Courses Platform (Udemy)
• Access to required IT equipment
• Paid Referral Program
• Participation in charity events e.g. Szlachetna Paczka
• Ongoing learning opportunities to help you acquire new skills or deepen existing expertise
• Being part of the core squad focused on the growth of the Polish business unit
• A flat, non-hierarchical structure that will enable you to work with senior partners and directly with clients
• A work culture focused on innovation and creating lasting value for our clients and employees