Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and build innovative solutions using .NET for financial services.
- Company: Established tech consultancy in the Oxford area with a focus on payments.
- Benefits: £70,000 salary, hybrid work, and opportunities for technical leadership.
- Why this job: Join a dynamic team tackling complex projects in a regulated environment.
- Qualifications: 5-10 years in software engineering with strong .NET and Azure skills.
- Other info: Mentorship opportunities and exposure to cutting-edge technologies.
The predicted salary is between 42000 - 84000 £ per year.
Location: Oxford area (Hybrid – 3 days in office)
Base salary: £70,000 + discretionary bonus
I’m currently working with a well-established financial services technology consultancy based in the Oxford area. The business specialises in delivering complex, high-volume systems for banks, FinTech's, and payment providers, with projects heavily focused on payment integrations and gateway platforms.
Opportunity
This is a hybrid role, ideally requiring three days per week in the office, and offers exposure to a wide range of client projects rather than a single internal product. You’ll be working in regulated, transaction-heavy environments where quality, scalability, and security are critical.
Responsibilities
- Designing and building solutions using .NET Framework
- Delivering projects centred around payment gateways, integrations, and transactional systems
- Developing front-end applications using modern JavaScript frameworks (Angular or React preferred)
- Deploying and maintaining applications in Microsoft Azure
- Working with containerised environments and Kubernetes
- Collaborating with senior engineers, architects, and client stakeholders
- Owning code quality, best practices, and technical decision‑making
- Mentoring junior and mid‑level engineers
Qualifications
- 5-10 years' commercial software engineering experience
- Strong expertise in .NET Framework (modern .NET/.NET Core exposure beneficial)
- Experience with Angular or React
- Proven hands‑on experience with Azure
- Experience working with Kubernetes
- Background in financial services, ideally with payments exposure
- Experience with payment integrations, gateways, or high‑volume transactional systems
- Demonstrated mentoring or technical leadership experience
- Comfortable working in a consultancy or client‑facing environment
Nice to Have
- Experience with AWS
- Previous consultancy experience
- Strong API and integration skills
- Exposure to regulated or compliance‑driven systems
On Offer
- £70,000 base salary
- Discretionary annual bonus
- Hybrid working model (3 days per week in the office)
- Technically challenging projects within financial services and payments
- Clear progression and opportunities for technical leadership
Interested? Get in touch to discuss the role confidentially.
Senior Software Engineer (.NET) in London employer: Oscar Associates (UK) Limited
Contact Detail:
Oscar Associates (UK) Limited Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer (.NET) in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the financial services tech space, especially those who work with payment integrations. A friendly chat can lead to insider info about job openings that aren't even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your .NET projects, especially those involving Azure and Kubernetes. This will give potential employers a taste of what you can bring to the table.
✨Tip Number 3
Prepare for the interview by brushing up on your technical knowledge and soft skills. Be ready to discuss your experience with Angular or React, and how you've tackled challenges in regulated environments.
✨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 take the initiative to connect directly with us.
We think you need these skills to ace Senior Software Engineer (.NET) in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with .NET and any relevant projects you've worked on, especially those involving payment integrations. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for software engineering and why you're excited about working in the financial services sector. Let us know how you can contribute to our team.
Showcase Your Technical Skills: Don’t forget to mention your hands-on experience with Azure, Kubernetes, and modern JavaScript frameworks like Angular or React. We love seeing specific examples of how you've used these technologies in your previous roles.
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 don’t miss out on any important updates from our team!
How to prepare for a job interview at Oscar Associates (UK) Limited
✨Know Your Tech Stack
Make sure you brush up on your .NET Framework knowledge, especially if you've got experience with modern .NET or .NET Core. Be ready to discuss how you've used these technologies in past projects, particularly in payment integrations and transactional systems.
✨Showcase Your Problem-Solving Skills
Prepare to talk about specific challenges you've faced in previous roles, especially in regulated environments. Think about how you approached these problems and the solutions you implemented, as this will demonstrate your ability to handle complex, high-volume systems.
✨Highlight Your Mentoring Experience
Since mentoring junior engineers is part of the role, be ready to share examples of how you've guided others in your previous positions. Discuss your approach to technical leadership and how you foster a collaborative environment.
✨Familiarise Yourself with Azure and Kubernetes
Given the importance of deploying applications in Microsoft Azure and working with containerised environments, make sure you can speak confidently about your experience with these tools. If you have any specific projects where you utilised Azure or Kubernetes, be prepared to dive into the details.
