Role: .NET Core Developer – Trading Technology
Position Overview
We are seeking an experienced .NET Core Developer to join our Trading Technology team and help develop high-performance risk and pricing applications. The role involves building scalable, resilient, and fault-tolerant systems supporting STP, Delta One, equities, and derivatives trading workflows.
The ideal candidate will have strong experience in C#, .NET Core, distributed systems, event-driven architecture, messaging platforms, microservices, and Linux/Kubernetes-based deployments.
Key Responsibilities
- Design, develop, test, and maintain high-performance applications using C# and .NET Core.
- Build and enhance risk, pricing, and trading applications supporting STP and Delta One workflows.
- Develop solutions for equities and derivatives trading and processing environments.
- Design and implement scalable microservices and distributed systems.
- Build fault-tolerant, highly available, and low-latency applications for mission-critical trading platforms.
- Develop event-driven systems using messaging technologies such as:
- Kafka
- Solace
- IBM MQ
- Implement asynchronous processing, event consumption, message publishing, retry mechanisms, and error handling.
- Develop and maintain CI/CD pipelines using Jenkins and support migration or adoption of GitHub Actions.
- Deploy and manage applications on Linux and Kubernetes platforms.
- Collaborate with architects, business analysts, quantitative teams, traders, risk specialists, and other engineering teams.
- Participate in design reviews, code reviews, troubleshooting, performance optimization, and production support.
- Ensure high standards of code quality, security, observability, scalability, and operational reliability.
- Investigate production issues and perform root-cause analysis in a distributed trading environment.
Required Technical Skills
Programming and Application Development
- Strong proficiency in C# and .NET Core.
- Experience developing scalable backend services and APIs.
- Good understanding of object-oriented programming, design patterns, SOLID principles, and clean-code practices.
- Experience with unit testing, integration testing, debugging, and performance profiling.
Trading Domain Knowledge
- Experience working with risk and pricing applications.
- Understanding of STP - Straight-Through Processing workflows.
- Knowledge of Delta One products or trading systems.
- Exposure to equities and derivatives.
- Understanding of trading lifecycle, order processing, market data, trade capture, risk calculations, or pricing workflows is preferred.
Distributed and Event-Driven Systems
- Strong understanding of distributed systems and fault-tolerant architectures.
- Experience designing and developing microservices-based applications.
- Knowledge of event-driven architecture and asynchronous communication.
- Experience with one or more messaging platforms:
- Kafka
- Solace
- IBM MQ
- Understanding of message delivery, ordering, replay, idempotency, retries, dead-letter queues, and failure recovery.
Performance and Concurrency
- Strong knowledge of multithreading and concurrency in .NET.
- Understanding of I/O-bound and CPU-bound workloads.
- Experience with asynchronous programming, parallel processing, task-based programming, synchronization, and thread-safety.
- Ability to identify and address performance bottlenecks in high-throughput applications.
DevOps, Deployment, and Cloud-Native Platforms
- Hands-on experience with Linux environments.
- Knowledge of application deployment and troubleshooting on Kubernetes platforms.
- Experience creating and maintaining build and deployment pipelines in Jenkins.
- Exposure to implementing or migrating pipelines to GitHub Actions.
- Familiarity with containerization, deployment automation, logging, monitoring, and operational support.
Preferred Skills
- Experience in investment banking, capital markets, trading technology, or financial services.
- Knowledge of pricing engines, risk calculations, market data, trade processing, or order management systems.
- Experience with REST APIs, gRPC, or other service-to-service communication protocols.
- Familiarity with observability tools, distributed tracing, metrics, and centralized logging.
- Experience with Docker, Helm, Kubernetes operators, or infrastructure-as-code tools.
- Knowledge of database technologies and performance tuning.
- Understanding of low-latency and high-throughput system design.
- Exposure to open-source platforms used for CI/CD pipelines and developer tooling.
Education and Experience
- Bachelor’s or Master’s degree in Computer Science, Engineering, Information Technology, or a related field.
- Typically 5+ years of software development experience, with strong hands-on experience in C# and .NET Core.
- Experience building production-grade distributed, event-driven, or microservices-based systems.
- Experience in trading, risk, pricing, equities, or derivatives technology is highly desirable.
Key Competencies
- Strong analytical and problem-solving skills.
- Ability to work effectively in a fast-paced, production-critical environment.
- Good understanding of software development lifecycle and Agile methodologies.
- Excellent communication and collaboration skills.
- Strong ownership of deliverables, system reliability, and production support.
- Ability to work with globally distributed teams and stakeholders.
Suggested Job Title Variations
- .NET Core Developer – Trading Systems
- Senior .NET Core Developer – Risk and Pricing
- C# Developer – Capital Markets Technology
- Software Engineer – Trading and Risk Platforms
