Senior Developer, C# SQL in London

Senior Developer, C# SQL in London

London Temporary 50000 - 65000 € / year (est.) Home office (partial)
LanceSoft UK

At a Glance

  • Tasks: Design and develop high-performance C#/.NET applications for financial services.
  • Company: Join a leading financial services tech team in London with a hybrid work model.
  • Benefits: Competitive hourly rate, flexible working, and opportunities for professional growth.
  • Other info: Collaborative environment with excellent career advancement opportunities.
  • Why this job: Make an impact in risk management and securities lending while working with cutting-edge technology.
  • Qualifications: Strong C#/.NET skills and experience in financial services required.

The predicted salary is between 50000 - 65000 € per year.

We are seeking an experienced C# / .NET Developer to join a technology team supporting critical Financial Services platforms, with a strong focus on Risk Management and/or Securities Lending domains.

The role involves designing, building, and supporting high performance systems used for risk calculations and trading/financing workflows. You will work closely with quants, risk managers, business analysts, and product owners to deliver robust, scalable solutions in a regulated environment.

Key Responsibilities
  • Design, develop, and maintain C# / .NET applications supporting Risk or Securities Lending platforms
  • Build and consume RESTful APIs to integrate with upstream/downstream systems
  • Implement scalable, testable, and maintainable object-oriented code following best practices
  • Contribute to risk workflows including exposure calculations, limits, and reporting
  • Work with large data sets and high throughput systems typical of financial services
  • Participate in code reviews, architectural discussions, and technical design sessions
  • Collaborate with cross functional teams (Risk, Front Office, Operations, Compliance)
  • Support production systems and assist with incident analysis and remediation
Required Skills & ExperienceCore Technical Skills
  • Strong hands-on experience with C# and .NET (.NET Core / .NET)
  • Excellent Object-Oriented Programming (OOP) skills and design principles
  • Proven experience designing and implementing APIs (REST / JSON)
  • Solid understanding of application architecture, performance, and scalability
  • Experience with SQL databases (e.g. SQL Server)
  • Familiarity with unit testing, integration testing, and CI/CD pipelines
Financial Services Domain Knowledge (Essential)
  • Experience working in Financial Services technology environments
  • Strong domain knowledge in at least one of:
    • Risk Management
    • Securities Lending / Prime Brokerage
    • Collateral, Margin, or Financing platforms
Risk & Regulatory Experience (Highly Beneficial)
  • Exposure to risk and regulatory methodologies such as:
    • RWA (Risk Weighted Assets)
    • CCAR
    • Basel III / Basel IV frameworks

Understanding of credit risk, counterparty exposure, or capital calculations is a strong advantage.

Personal Attributes
  • Strong problem solving and analytical mindset
  • Comfortable working in complex, regulated environments
  • Able to communicate effectively with both technical and non-technical stakeholders
  • Proactive, delivery focused, and detail oriented

Senior Developer, C# SQL in London employer: LanceSoft UK

Join a leading financial services technology team in London, where innovation meets collaboration. As a Senior C# / .NET Developer, you'll thrive in a dynamic hybrid work environment that fosters professional growth and offers competitive rates. With a strong emphasis on risk management and securities lending, you'll have the opportunity to work alongside industry experts, contributing to impactful projects while enjoying a supportive culture that values your contributions and encourages continuous learning.

LanceSoft UK

Contact Detail:

LanceSoft UK Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Developer, C# SQL in London

Network Like a Pro

Get out there and connect with folks in the industry! Attend meetups, webinars, or even just grab a coffee with someone who works in financial services tech. You never know who might have the inside scoop on job openings or can put in a good word for you.

Show Off Your Skills

When you get the chance to chat with potential employers, don’t hold back! Share your experiences with C# and .NET, and talk about projects where you’ve tackled risk management or securities lending. Let them see how you can add value to their team.

Ace the Technical Interview

Brush up on your coding skills and be ready to solve problems on the spot. Practice common algorithms and data structures, especially those relevant to financial services. Remember, they want to see how you think, so explain your thought process as you go!

Apply Through Our Website

Don’t forget to check out our website for the latest job openings! Applying directly through us not only shows your interest but also gives you a better chance of getting noticed. We’re here to help you land that dream role!

We think you need these skills to ace Senior Developer, C# SQL in London

C#
.NET
.NET Core
Object-Oriented Programming (OOP)
RESTful APIs
SQL
SQL Server

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the Senior C# / .NET Developer role. Highlight your experience with C#, .NET, and any relevant financial services knowledge. We want to see how your skills match what we're looking for!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your background in risk management or securities lending makes you a perfect fit. Let us know why you want to join our team!

Showcase Your Projects:If you've worked on any projects that involved building APIs or handling large data sets, make sure to mention them. We love seeing real-world examples of your work, especially if they relate to financial services!

Apply Through Our Website:Don't forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. We can’t wait to see what you bring to the table!

How to prepare for a job interview at LanceSoft UK

Know Your Tech Inside Out

Make sure you brush up on your C# and .NET skills before the interview. Be ready to discuss your experience with APIs, SQL databases, and any relevant financial services knowledge. They’ll want to see that you can not only talk the talk but also walk the walk when it comes to technical expertise.

Showcase Your Problem-Solving Skills

Prepare examples of how you've tackled complex problems in previous roles, especially in regulated environments. Think about specific challenges you faced in risk management or securities lending and how you approached them. This will demonstrate your analytical mindset and ability to deliver under pressure.

Communicate Clearly and Confidently

Practice explaining your technical projects to someone who isn’t a developer. This will help you articulate your thoughts clearly during the interview. Remember, you’ll be working with quants and business analysts, so being able to bridge the gap between technical and non-technical stakeholders is key.

Be Ready for Technical Discussions

Expect to dive deep into architectural discussions and code reviews. Brush up on best practices for scalable and maintainable code, and be prepared to discuss your approach to unit testing and CI/CD pipelines. Showing that you’re proactive about quality will set you apart from other candidates.