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Software Developer
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About The Company
Randstad Technologies is a leading technology staffing and solutions provider, renowned for connecting top-tier talent with innovative organizations across various industries. With a strong focus on delivering quality and excellence, Randstad Technologies specializes in providing skilled professionals for roles spanning software development, IT infrastructure, data analysis, and financial technology. Our mission is to empower businesses by sourcing the right talent to drive digital transformation and operational success. We pride ourselves on our deep industry knowledge, extensive network, and commitment to fostering long-term partnerships with both clients and candidates.
About The Role
We are seeking a highly skilled Senior C# /.NET Developer specializing in Risk & Securities Lending to join our client’s dynamic team in London. This is a contract position lasting six months, with a hybrid work mode that combines both on-site and remote work. In this role, you will be instrumental in developing and maintaining high-performance, real-time risk calculation engines and securities lending workflows. You will work closely with quantitative analysts, risk managers, and front office teams to translate complex financial models into robust, scalable software solutions. The ideal candidate will possess a deep understanding of financial services, particularly within the domains of risk management and securities lending, and will be passionate about building systems that handle high throughput and low latency requirements.
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- Extensive experience in the financial services sector, particularly within investment banking, hedge funds, asset management, or capital markets FinTech. Candidates with generic enterprise or web software backgrounds are not suitable for this role.
- Deep domain expertise in Credit, Market, or Counterparty Risk, Securities Lending, Prime Brokerage, or Collateral/Margin platforms.
- Practical knowledge of calculation frameworks such as RWA, Basel III/IV, CCAR, counterparty limit monitoring, or live exposure calculations.
- Proficiency in C# and.NET (preferably.NET Core), with a strong emphasis on scalable API design and object-oriented programming principles.
- Strong SQL skills and experience managing large data volumes, coupled with familiarity with event-driven architectures and messaging systems like Kafka.
- Excellent communication skills, with the ability to collaborate effectively with quantitative analysts, risk managers, and business stakeholders. Ability to translate complex mathematical models into reliable, production-ready code is essential.
Responsibilities
- Design, develop, and maintain high-throughput, low-latency risk calculation engines and securities lending workflows in C# /.NET.
- Collaborate with quantitative teams to understand complex financial models and translate them into scalable software solutions.
- Implement real-time limit engines, dynamic exposure calculations, and live financing workflows to support active risk management processes.
- Optimize system performance and ensure the reliability and accuracy of calculations in a high-volume environment.
- Participate in code reviews, testing, and documentation to uphold quality standards and facilitate knowledge sharing.
- Work closely with risk managers and front office teams to ensure the software meets business requirements and regulatory standards.
- Stay updated on industry best practices, emerging technologies, and regulatory changes affecting risk management systems.
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Benefits
- Joining our client’s team offers the opportunity to work on cutting-edge financial technology within a collaborative and innovative environment.
- You will gain exposure to complex risk management systems and contribute to critical decision-making processes in the financial industry.
- The role provides competitive contractual compensation, flexible hybrid working arrangements, and the chance to develop your expertise in a high-demand domain.
- Additionally, you will be part of a forward-thinking organization committed to professional growth and continuous learning.
Equal Opportunity
Randstad Technologies is committed to promoting diversity and inclusion in the workplace. We provide equal employment opportunities to all qualified candidates regardless of race, gender, age, religion, sexual orientation, disability, or any other protected characteristic. We believe that a diverse workforce fosters innovation, enhances creativity, and drives better business outcomes. We encourage all qualified professionals to apply and join our mission of connecting talented individuals with meaningful opportunities.
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