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- Tasks: Design and build innovative payment solutions using .NET and modern JavaScript frameworks.
- Company: Established financial services tech consultancy with a focus on high-volume systems.
- Benefits: Competitive salary, hybrid work model, and opportunities for technical leadership.
- Why this job: Join a dynamic team tackling exciting projects in the fintech space.
- Qualifications: 5-10 years of software engineering experience with strong .NET and Azure skills.
- Other info: Mentorship opportunities and clear career progression in a collaborative environment.
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) 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)
✨Network Like a Pro
Get out there and connect with people in the industry! Attend meetups, tech conferences, or even local events. We all know that sometimes it’s not just what you know, but who you know that can help land that dream job.
✨Show Off Your Skills
Don’t just talk about your experience; show it! Create a portfolio or GitHub repository showcasing your projects, especially those involving .NET, payment integrations, or Azure. We want to see what you can do!
✨Ace the Interview
Prepare for technical interviews by brushing up on your coding skills and understanding system design principles. Practice common interview questions related to .NET and payment systems. We believe in you, so go in there and shine!
✨Apply Through Our Website
Make sure to apply through our website for the best chance at landing the role. We’re always on the lookout for talented individuals like you, and applying directly helps us keep track of your application!
We think you need these skills to ace Senior Software Engineer (.NET)
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 in financial services. 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 role and how your background makes you a perfect fit. We love seeing genuine enthusiasm, so let your personality come through.
Showcase Your Technical Skills: When filling out your application, make sure to mention your experience with Azure, Kubernetes, and any front-end frameworks like Angular or React. We’re looking for candidates who can hit the ground running, so highlight those skills!
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 – just a few clicks and you’re done!
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 worked with modern .NET or .NET Core. Be ready to discuss your experience with Angular or React, as well as any projects involving Azure and Kubernetes. This will show that you're not just familiar with the tech but can also apply it in real-world scenarios.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous roles, particularly in high-volume transactional systems or payment integrations. Use the STAR method (Situation, Task, Action, Result) to structure your answers, demonstrating how you tackled issues and what the outcomes were.
✨Emphasise Collaboration and Mentorship
Since this role involves working closely with senior engineers and mentoring junior staff, be ready to share examples of how you've collaborated on projects and supported others in their development. Highlight any leadership experiences, even if they were informal, to show your ability to guide and inspire a team.
✨Understand the Company and Its Clients
Research the consultancy and its client base in the financial services sector. Familiarise yourself with the types of projects they handle, especially around payment gateways and integrations. This knowledge will help you tailor your responses and demonstrate your genuine interest in the role and the company.
