Senior Software Engineer (C#/Python/React)
Corp-to-CorpJob Overview
We are seeking a Senior Full-Stack Engineer to help redesign an Order Management System (OMS) for a top-tier financial services organization. You will play a key role in building a scalable, resilient, and modern trading platform, working across backend, frontend, and cloud components.
This is a hands-on engineering role requiring strong technical depth and experience working in fast-paced, mission-critical financial environments. You will collaborate closely with trading, risk, and technology teams to deliver high-quality solutions that support high-volume, real-time workflows.
We are seeking a Senior Full-Stack Engineer to help redesign an Order Management System (OMS) for a top-tier financial services organization. You will play a key role in building a scalable, resilient, and modern trading platform, working across backend, frontend, and cloud components.
This is a hands-on engineering role requiring strong technical depth and experience working in fast-paced, mission-critical financial environments. You will collaborate closely with trading, risk, and technology teams to deliver high-quality solutions that support high-volume, real-time workflows.
Responsibilities
- Design and develop full-stack solutions using C#, Python, and React within a modern distributed architecture.
- Build scalable, high-performance components supporting real-time trading and order workflows.
- Implement clean, maintainable code following best practices in testing, performance, and reliability.
- Support cloud deployment and modern DevOps tooling across AWS/Azure environments.
- Collaborate with cross-functional teams to translate business requirements into technical specifications.
- Participate in code reviews, architecture discussions, and continuous improvement of engineering practices.
- Contribute to platform modernization and migration away from legacy systems.
Required Experience
- 8+ years of software engineering experience in enterprise or financial services environments.
- Strong experience with C# and/or Python in production systems.
- Hands-on experience with React or similar modern frontend frameworks.
- Background working with trading systems (OMS, EMS, pricing, execution, market data, or related).
- Experience building distributed, cloud-based applications (AWS or Azure).
- Solid understanding of REST APIs, microservices, and performance optimization.
- Strong problem-solving skills and ability to work in a fast-paced environment with multiple stakeholders.
Preferred Experience
- Exposure to fixed-income or multi-asset trading workflows.
- Experience with high-throughput, low-latency architecture and real-time data processing.
- Experience with messaging systems such as Kafka, RabbitMQ, or similar.
McLaren Strategic Solutions is a leading-edge global technology consulting firm, addressing critical challenges across industries such as retail, financial services, and healthcare. Integrating a powerful ecosystem of platforms with capital-efficient execution, McLaren specializes in digital transformation to help businesses optimize operations, accelerate revenue, and achieve scalable outcomes. McLaren’s expertise spans the development of customer-centric applications, modernizing systems for cost-effectiveness and security, and leveraging cloud scalability for future-ready architectures. With a deep commitment to operational excellence, McLaren provides comprehensive managed services, including application maintenance, cybersecurity, platform solutions, and AI-optimized operations, ensuring seamless, secure, and efficient performance.
From supply chain automation to compliance and analytics, McLaren drives measurable impact: improving workforce productivity, reducing inventory costs, and cutting technology ownership expenses. With its emphasis on automation and zero business downtime, McLaren facilitates seamless migrations from legacy systems to modern platforms, enabling organizations to harness the full potential of digital transformation. Backed by strategic partnerships and a proven delivery model, McLaren empowers clients to innovate, modernize, and achieve lasting success in today’s digital economy.
McLaren is a certified minority owned business through the NMSDC and has a mission to place more people from non-traditional backgrounds into sustainable technology careers. Through partnerships with non-profit technology programs in underserved communities and Veteran organizations, candidates transition from tech training programs into real IT careers at McLaren. Our unique recruitment policy allows us to create exceptional teams, bringing a broad spectrum of experience to our company and creating anything but a traditional consulting firm.
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Doran Jones Inc. is proud to be part of the McLaren Strategic Ventures Group.