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- Tasks: Develop and maintain cutting-edge .NET applications for real-time payment processing.
- Company: Join an innovative fintech organisation with a focus on secure payment solutions.
- Benefits: Enjoy hybrid working, share options, and 25 days annual leave.
- Why this job: Make a real impact in the fintech space while collaborating with a world-class engineering team.
- Qualifications: Strong C#/.NET Core skills and experience in high-volume financial systems required.
- Other info: Diversity and inclusion are at our core; we welcome applicants from all backgrounds.
The predicted salary is between 48000 - 72000 ÂŁ per year.
Location: Hybrid – 1–2 days per month in London
Team: Core UK Project Team – Agile/Kanban
Overview
We are supporting an innovative fintech organisation building a secure, high-volume, real‑time payment platform used across the UK, USA, Australia, and other global markets. This is a hands‑on Senior .NET Developer role within the core engineering team. The environment is ideal for practical, delivery‑focused engineers who enjoy writing clean code, designing scalable distributed systems, and solving complex operational challenges within regulated financial services environments. You’ll be working on mission‑critical payment infrastructure where performance, security, resilience, and accuracy truly matter. The engineering team is made up of experienced professionals who have previously worked for a number of award‑winning Microsoft Advanced Specialised Partners. This provides a unique opportunity to collaborate and work in synergy with a world‑class team that values technical excellence, continuous improvement, and robust engineering standards.
Key Responsibilities
- Develop and maintain .NET Core 9/10 applications supporting real‑time payment processing
- Design scalable, secure backend architectures for API‑driven financial systems
- Build and integrate systems supporting money transfers, savings functionality, and Mastercard integration
- Work within Azure services ecosystem (primarily Azure SQL; minimal Cosmos DB)
- Automate and improve operational processes to reduce third‑line support overhead
- Contribute to BAU and operational tickets (~15% of role)
- Operate within a Kanban‑based Agile framework (continuous delivery, no rigid sprints)
Required Experience
- Strong C# / .NET Core (9/10) expertise
- Proven background in high‑volume, real‑time payment, banking, or financial services systems
- Experience designing secure, scalable backend platforms
- Experience working in organisations that comply to SOC 2 or ISO 27001 accreditation, with an understanding of delivering solutions that meet regulatory and security standards
- Agile/Kanban experience with continuous delivery mindset
- Angular, F#
What’s on Offer
- Hybrid working (1–2 days per month in London; team meet‑ups with travel covered)
- Share options
- 25 days annual leave
- Exposure to Power BI and broader data tooling
- Opportunity to contribute to a rapidly scaling global fintech platform
Diversity, Equity & Inclusion
We are committed to fostering an inclusive and equitable workplace where diverse perspectives are valued. We actively encourage applications from individuals of all backgrounds and are dedicated to ensuring a fair and inclusive recruitment process.
Additional Requirement: Candidates must be UK-based. Company sponsorship is not available for this one.
Senior Software Engineer employer: Focused Futures Consultancy LTD
Contact Detail:
Focused Futures Consultancy LTD Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the fintech space or join relevant online communities. You never know who might have the inside scoop on job openings or can refer you directly to hiring managers.
✨Tip Number 2
Prepare for those technical interviews! Brush up on your C# and .NET Core skills, and be ready to showcase your experience with real-time payment systems. Practising coding challenges can really help you stand out.
✨Tip Number 3
Don’t underestimate the power of a good follow-up! After interviews, send a quick thank-you email to express your appreciation and reiterate your interest in the role. It keeps you fresh in their minds!
✨Tip Number 4
Apply through our website! We love seeing applications come directly from candidates who are excited about joining our team. Plus, it gives you a better chance of being noticed by our hiring team.
We think you need these skills to ace Senior Software Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with .NET Core and real-time payment systems. We want to see how your skills align with our needs, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re excited about this role and how your background in financial services makes you a perfect fit for our team. Keep it engaging and personal!
Showcase Your Problem-Solving Skills: In your application, share examples of complex challenges you've tackled in previous roles. We love engineers who can think critically and come up with innovative solutions, especially in regulated environments.
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 this exciting opportunity with our core engineering team!
How to prepare for a job interview at Focused Futures Consultancy LTD
✨Know Your Tech Inside Out
Make sure you brush up on your C# and .NET Core skills before the interview. Be ready to discuss your experience with high-volume, real-time payment systems and how you've designed secure, scalable backend architectures in the past.
✨Showcase Your Problem-Solving Skills
Prepare to share specific examples of complex operational challenges you've tackled. Highlight your experience in regulated financial services environments and how you ensured performance, security, and accuracy in your solutions.
✨Familiarise Yourself with Agile/Kanban
Since the role operates within a Kanban-based Agile framework, be prepared to discuss your experience with continuous delivery. Share how you've contributed to improving operational processes and reducing support overhead in previous roles.
✨Emphasise Collaboration and Teamwork
This position involves working closely with a world-class team, so be ready to talk about your collaborative experiences. Discuss how you've worked in synergy with others to achieve technical excellence and continuous improvement in your projects.