At a Glance
- Tasks: Design and build high-performance C#/.NET applications for Risk Management and Securities Lending.
- Company: Join a leading financial services firm with a dynamic tech team.
- Benefits: Hybrid work model, competitive pay, and opportunities for professional growth.
- Other info: Collaborate with cross-functional teams and enhance your skills in a regulated setting.
- Why this job: Make an impact in finance by developing critical systems in a fast-paced environment.
- Qualifications: Expertise in C#, .NET, and financial services technology required.
The predicted salary is between 40500 - 49500 £ per year.
Location: London (Hybrid)
Contract Duration: 6 Months
Industry: Financial Services
About the Opportunity
Are you a seasoned C# engineer with a deep understanding of financial markets? We are seeking an experienced Senior C# / .NET Developer to join a high-performing technology team supporting critical Risk Management and Securities Lending platforms. In this 6-month hybrid contract, you will play a pivotal role in designing, building, and supporting high-performance systems used for complex risk calculations and trading/financing workflows. Working closely with quants, risk managers, and the Front Office, you will deliver scalable, robust solutions in a fast-paced, regulated environment.
What You Will Do
- System Development: Design, build, and maintain high-performance C# / .NET applications supporting Risk and Securities Lending workflows.
- API Integration: Build and consume RESTful APIs to seamlessly connect complex upstream and downstream financial systems.
- Data & Throughput: Handle large datasets and high-throughput systems, contributing to vital exposure calculations, limits, and reporting.
- Best Practices: Write scalable, testable, and maintainable object-oriented code, participating in architectural discussions and code reviews.
- Cross-Functional Collaboration: Partner with Risk, Front Office, Operations, Compliance, and Product Owners to translate business needs into technical reality.
- Production Support: Assist with incident analysis, remediation, and the ongoing support of live systems.
What We Are Looking For
- Core Technical Expertise: Deep, hands-on experience with C# and .NET (including .NET Core). Exceptional Object-Oriented Programming (OOP) skills and architectural design principles. Proven track record in designing and implementing REST/JSON APIs. Solid SQL database experience (e.g., SQL Server). Strong grasp of application performance, scalability, unit/integration testing, and CI/CD pipelines.
- Essential Domain Knowledge: A proven background working within Financial Services technology. Strong domain knowledge in at least one of the following: Risk Management, Securities Lending, Prime Brokerage, or Collateral/Margin/Financing platforms.
- Highly Beneficial / Nice-to-Have: Exposure to risk and regulatory methodologies (RWA, CCAR, Basel III / IV). Understanding of credit risk, counterparty exposure, or capital calculations. 10+ years of commercial software engineering experience. Experience with Cloud platforms (Azure/AWS) and messaging technologies (e.g., Kafka). Familiarity with front-to-back trading systems and Agile/Scrum delivery.
About You
You possess a strong analytical and problem-solving mindset. You are highly comfortable navigating complex, highly regulated enterprise environments. You can communicate complex technical concepts clearly to non-technical stakeholders. You are proactive, detail-oriented, and hyper-focused on reliable delivery.
Senior C# / .NET Developer | Risk & Securities Lending in London employer: Randstad Technologies
Randstad Technologies is an excellent employer, offering a dynamic work culture that fosters innovation and collaboration. With a strong focus on employee growth, you will have access to continuous learning opportunities while working in a hybrid model that promotes work-life balance. The diverse locations, including Cardiff, provide a vibrant environment where your contributions are valued and rewarded.
StudySmarter Expert Advice🤫
We think this is how you could land Senior C# / .NET Developer | Risk & Securities Lending in London
✨Get Involved in Open-Source Projects
Diving into open-source projects is a brilliant way to showcase your skills and connect with other developers in the community. Not only will you beef up your GitHub profile but you might also catch the eye of someone at Randstad Technologies who values hands-on experience over just theory.
✨Attend Local Tech Meetups
Tech meetups are gold mines for networking and discovering job opportunities, especially in the fast-paced world of software engineering. Check out local listings for events in your area and don’t shy away from introducing yourself. This could lead directly to a temporary position at Randstad Technologies!
✨Showcase Your Work Online
With temporary roles, it’s all about standing out in a short space of time. Create a portfolio website where you highlight your projects and skills. Talk about your code, and provide links to your GitHub repositories. This will not only demonstrate your abilities but will also make it easier for recruiters at Randstad Technologies to see what you bring to the table.
✨Leverage Temporary Job Boards
Don’t forget to check specialised job boards for temporary software development roles. Websites like We Work Remotely or Remote OK often list short-term gigs that can be a perfect fit. Apply directly through our website as well, making sure your application is sharp—temporary roles can move fast!
We think you need these skills to ace Senior C# / .NET Developer | Risk & Securities Lending in London
Some tips for your application 🫡
Show Off Your Tech Skills:Make sure your CV highlights your tech stack and any programming languages you’re proficient in. Include specifics about any frameworks or technologies you’ve worked with; they can make you stand out in the sea of applicants. It’s all about showing that you have the chops we need at Randstad Technologies!
Portfolio 2.0:Since you’re applying for a temporary gig, it’s super important to showcase a portfolio that highlights your best projects. Include links to GitHub or any personal projects that demonstrate what you can do in a real-world environment. This gives us a taste of your style and your problem-solving approach!
Keep It Brief and Relevant:With a temporary position, we want to see your ability to hit the ground running. Be concise in your CV and cover letter; stick to experiences that directly relate to the role. Highlight any previous temporary roles or freelance gigs that show your adaptability and quick learning!
Tailor Your Cover Letter:Don’t just send a generic cover letter. Personalise it for Senior C# / .NET Developer | Risk & Securities Lending at Randstad Technologies! Mention why this temporary role excites you and how you see yourself contributing in the short run. Show us what you've got and why you're the one for this quick turn-around!
How to prepare for a job interview at Randstad Technologies
✨Nail the Technical Skills
For a software engineering role, you'll likely face technical questions or coding tasks during your interview. Brush up on the relevant programming languages and frameworks that Randstad Technologies uses, and don’t forget to practice some coding challenges on platforms like LeetCode or HackerRank. Showing your coding prowess can really make you stand out!
✨Prepare for System Design Questions
Even for a temporary role, having a grasp of system design principles can be crucial. Be ready to discuss how you would architect a software solution, including discussing trade-offs, scalability, and performance considerations. Having examples from previous projects can really show off your analytical thinking.
✨Demonstrate Your Adaptability
Since this is a temporary role, you'll want to emphasise your ability to hit the ground running. Highlight experiences where you quickly adapted to new technologies or teams. Let’s make it clear to the interviewers at Randstad Technologies that you can learn on the job and deliver results in a short timeframe!
✨Show Off Your Portfolio
Make sure to have a portfolio or GitHub ready showcasing your projects. Having tangible evidence of what you've done—be it personal projects, contributions to open-source, or previous work—can convey how capable you are. Tailor this for what might interest Randstad Technologies, so it's relevant and sparks conversation during your interview.
