At a Glance
- Tasks: Develop and modernise FX trading applications using C# and WPF.
- Company: Join a prestigious Tier 1 investment bank with a high-performing tech team.
- Benefits: Competitive salary, flexible schedule, medical insurance, and professional development opportunities.
- Other info: Collaborate with experienced engineers on cutting-edge projects.
- Why this job: Make a real impact by modernising legacy systems in a dynamic financial environment.
- Qualifications: Strong C# and .NET experience, with full stack development skills.
The predicted salary is between 51750 - 63250 £ per year.
The Opportunity
We are seeking an experienced
Full Stack C# Developer to join a high-performing technology team within a leading Tier 1 investment bank, working on critical FX trading technology.
The role will focus on extending and ultimately replacing an existing legacy application built using C#, WPF and backend services.
You will work closely with another engineer to develop new functionality, improve existing systems and progressively modernise the application.
This is a hands-on development opportunity for an engineer who enjoys working across both frontend and backend technologies, tackling legacy code and delivering robust solutions in a demanding financial markets environment.
Key Responsibilities
- Develop and enhance existing C# applications across frontend and backend services.
- Build and maintain user interfaces using WPF.
- Extend application functionality to meet evolving business and technical requirements.
- Contribute to the rewriting and replacement of legacy code as part of an ongoing modernisation programme.
- Develop and integrate services using REST and SOAP APIs.
- Improve the quality, maintainability and performance of existing applications.
- Collaborate closely with another engineer to deliver enhancements and support the evolution of the platform.
- Work within a high-performing technology team supporting FX trading systems.
Essential Skills & Experience
- Strong commercial experience with C# and . NET development.
- Full stack software development experience, covering frontend and backend components.
- Hands-on experience developing desktop applications using WPF.
- Experience developing and integrating REST and SOAP web services.
- Experience enhancing, maintaining or modernising existing applications and legacy codebases.
- Strong problem-solving skills and the ability to deliver high-quality, maintainable software.
- Excellent communication and collaboration skills, with the ability to work closely with other engineers.
Desirable Experience
- Previous experience within investment banking or financial services.
- Exposure to FX trading technology or other capital markets applications.
- Experience working on the replacement or modernisation of legacy trading systems.
- An understanding of the performance, reliability and latency considerations associated with financial markets technology.
- The Team & Environment
You will join a high-performing engineering team working on important FX technology, with the opportunity to contribute directly to the development and modernisation of an established application.
The role offers a balance of feature development, backend engineering, frontend improvements and legacy replacement work, making it well suited to a developer who enjoys practical engineering challenges and taking ownership of technical improvements.
Why Join?
- Work within a prestigious Tier 1 investment banking environment.
- Gain exposure to FX trading technology, a major global financial market characterised by substantial trading volumes and demanding performance requirements.
- Play an active role in modernising and replacing a legacy application.
- Work hands-on across C# frontend and backend services.
- Collaborate closely with experienced engineers in a high-performing team.
- Summary
This is an excellent opportunity for a hands-on Full Stack C# Developer with strong WPF experience to contribute to the modernisation of a legacy FX trading application within a leading investment bank.
The successful candidate will combine solid software engineering fundamentals with the ability to extend existing functionality, improve backend services and help deliver the next generation of the platform.
- We offer
- Opportunity to work on bleeding-edge projects
- Work with a highly motivated and dedicated team
- Competitive salary
- Flexible schedule
- Benefits package - medical insurance, sports
- Corporate social events
- 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 & Dev Ops, application modernization and customer experience.
Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.
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Senior Full Stack C# Developer – FX Trading Technology in London employer: Grid Dynamics
Grid Dynamics is an exceptional employer, offering a dynamic work environment where innovation thrives. As a Senior C# / WPF Engineer, you'll engage in cutting-edge projects within a collaborative team, benefiting from a competitive salary, flexible schedules, and comprehensive professional development opportunities. Our commitment to employee growth, coupled with a strong emphasis on engineering quality and a supportive culture, makes this an ideal place for those looking to make a meaningful impact in the financial technology sector.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack C# Developer – FX Trading Technology in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Grid Dynamics or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Grid Dynamics.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Grid Dynamics.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Grid Dynamics that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Full Stack C# Developer – FX Trading Technology in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Grid Dynamics.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Grid Dynamics and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Grid Dynamics
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Grid Dynamics uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
