Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Join a team modernising a core Pricing and Booking platform using C#, Python, and React.
- Company: Grid Dynamics, a leading tech consulting firm with a focus on innovation.
- Benefits: Competitive salary, flexible schedule, and professional development opportunities.
- Why this job: Work on cutting-edge projects that make a real impact in the finance sector.
- Qualifications: Strong C# skills and a willingness to learn Python and React.
- Other info: Dynamic environment with opportunities for career growth and collaboration across global teams.
The predicted salary is between 36000 - 60000 £ per year.
We are seeking a versatile Senior Full-Stack Engineer to join a high-visibility Flow Modernization initiative within a premier global investment bank. This is a front-office engineering role at the heart of the Equity Derivatives business, focused on rebuilding and modernizing a core Pricing and Booking platform used daily by Traders and Sales teams. You will play a pivotal role in transitioning a legacy C# desktop suite into a high-performance, real-time ecosystem powered by Python, React, and OpenShift.
Responsibilities
- Hybrid Development: Balance high-impact C# engineering on the existing platform with the greenfield rebuild of components in Python and React.
- Modernize Architecture: Transition batch-pricing systems into low-latency, real-time web clients capable of handling complex event-driven workflows.
- Full-Stack Ownership: Develop performant Python back-ends and modern React/TypeScript front-ends that integrate seamlessly with Java-based market data services.
- Performance Engineering: Build scalable, reliable services designed for the high-pressure environment of a global trading floor.
Requirements
- Strong background in C# engineering is essential for managing the current core application.
- Highly desirable experience building modern web applications, ideally using React and TypeScript.
- A strong willingness (and ideally experience) to pick up Python for backend modernization and event-driven services.
- Familiarity with MongoDB and containerized deployments via OpenShift (or similar).
- Ability to thrive in a globally distributed team (London/US) with frequent context switching between legacy maintenance and new feature development.
Nice to have
- Experience building backend services using messaging, reactive extensions, or multi-threading for performant streaming analytics.
We offer
- Opportunity to work on bleeding-edge projects
- Work with a highly motivated and dedicated team
- Competitive salary
- Flexible schedule
- Professional development opportunities
- Well-equipped office
About Us
Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.
Senior Full Stack Developer (C# + React) employer: Grid Dynamics
Contact Detail:
Grid Dynamics Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Full Stack Developer (C# + React)
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who work at investment banks or tech companies. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving C#, React, and Python. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills. Practice common algorithms and data structures, and be ready to discuss your past projects in detail. We want you to shine!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Senior Full Stack Developer (C# + React)
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with C#, React, and any relevant technologies. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re excited about this opportunity and how your background makes you a perfect fit for our team. Keep it engaging and personal.
Showcase Your Projects: If you've worked on any projects that demonstrate your full-stack capabilities, make sure to mention them. We love seeing real examples of your work, especially if they relate to modernising platforms or using Python and React.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at Grid Dynamics
✨Know Your Tech Stack
Make sure you brush up on your C#, React, and Python skills before the interview. Be ready to discuss your experience with these technologies and how you've used them in past projects. This will show that you're not just familiar with the tools but can also apply them effectively.
✨Understand the Business Context
Since this role is within a global investment bank, it’s crucial to understand the financial services landscape. Familiarise yourself with how trading works, especially in the Equity Derivatives space. This knowledge will help you connect your technical skills to the business needs during the interview.
✨Prepare for Scenario-Based Questions
Expect questions that assess your problem-solving abilities in real-time scenarios. Think about how you would approach transitioning legacy systems to modern architectures. Practising these scenarios can help you articulate your thought process clearly and demonstrate your full-stack ownership capabilities.
✨Show Your Team Spirit
This role requires collaboration in a globally distributed team. Be prepared to share examples of how you've successfully worked with others, especially in high-pressure environments. Highlighting your ability to thrive amidst context switching will make you stand out as a candidate who can adapt and contribute effectively.