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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.
- Other info: Diversity and inclusion are at our core; we welcome applicants from all backgrounds.
- 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.
The predicted salary is between 60000 - 80000 ÂŁ per year.
Location: Hybrid â 1â2 days per month in London
Team: Core UK Project Team â Agile/Kanban
Overview
We are supporting an innovative fintech organisation building a secure, high-volume, realâtime payment platform used across the UK, USA, Australia, and other global markets. This is a handsâon Senior .NET Developer role within the core engineering team. The environment is ideal for practical, deliveryâfocused 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 missionâcritical 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 awardâwinning Microsoft Advanced Specialised Partners. This provides a unique opportunity to collaborate and work in synergy with a worldâclass team that values technical excellence, continuous improvement, and robust engineering standards.
Key Responsibilities
- Develop and maintain .NET Core 9/10 applications supporting realâtime payment processing
- Design scalable, secure backend architectures for APIâdriven 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 thirdâline support overhead
- Contribute to BAU and operational tickets (~15% of role)
- Operate within a Kanbanâbased Agile framework (continuous delivery, no rigid sprints)
Required Experience
- Strong C# / .NET Core (9/10) expertise
- Proven background in highâvolume, realâtime 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 (1â2 days per month in London; team meetâups 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 đ¤Ť
We think this is how you could land Senior Software Engineer
â¨Tip Number 1
Network like a pro! Reach out to your connections in the fintech space, especially those who might know about opportunities at companies like the one we're supporting. A personal referral can make all the difference!
â¨Tip Number 2
Get ready for those interviews! Brush up on your C# and .NET Core skills, and be prepared to discuss your experience with high-volume payment systems. We want to see you shine and show off your problem-solving skills!
â¨Tip Number 3
Show your passion for clean code and scalable systems! During interviews, share examples of how you've tackled complex challenges in previous roles. This will demonstrate your fit for the hands-on nature of the position.
â¨Tip Number 4
Don't forget to apply through our website! Itâs the best way to ensure your application gets noticed. Plus, we love seeing candidates who take that extra step to engage with us directly.
We think you need these skills to ace Senior Software Engineer
Some tips for your application đŤĄ
Tailor Your CV: Make sure your CV highlights your experience with .NET Core and any relevant fintech projects. We want to see how your skills align with our needs, so donât be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why youâre excited about this role and how your background makes you a perfect fit for our team. Keep it concise but impactful!
Showcase Your Problem-Solving Skills: In your application, mention specific examples where you've tackled complex challenges in high-volume systems. We love engineers who can think on their feet and come up with innovative solutions!
Apply Through Our Website: We encourage you to apply directly through our website. Itâs the best way for us to receive your application and ensures youâre considered for this exciting opportunity. Donât miss out!
How to prepare for a job interview at Focused Futures Consultancy LTD
â¨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 past projects, especially those involving high-volume payment systems. Theyâll want to see that you can not only code but also design secure and scalable backend architectures.
â¨Understand the Fintech Landscape
Familiarise yourself with the fintech industry, particularly around real-time payment processing and regulatory standards like SOC 2 or ISO 27001. Showing that you understand the challenges and requirements of the sector will set you apart from other candidates.
â¨Embrace Agile and Kanban
Since the role operates within a Kanban-based Agile framework, be prepared to discuss your experience with Agile methodologies. Share examples of how you've contributed to continuous delivery and improved operational processes in your previous roles.
â¨Show Your Team Spirit
This position involves working closely with a team of experienced professionals. Highlight your collaborative skills and any experiences where youâve successfully worked in a team environment. Theyâll be looking for someone who values technical excellence and can contribute positively to the team dynamic.