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- Tasks: Design and develop secure, high-performance backend services using .NET Core.
- Company: Join a leading fintech company focused on innovation and security.
- Benefits: Hybrid working, competitive salary, and opportunities for professional growth.
- Why this job: Make an impact in the fintech space with cutting-edge technology.
- Qualifications: Strong .NET Core experience and a passion for scalable systems.
- Other info: Collaborative Agile environment with mentorship opportunities.
The predicted salary is between 43200 - 72000 £ per year.
We are looking for an experienced Senior Backend Engineer to join an engineering team building secure, scalable systems within the fintech space. This role is suited to a backend specialist with strong .NET Core experience who enjoys working on complex, high-throughput platforms where performance, reliability, and security are essential.
You will contribute to the design and evolution of backend services, work on distributed systems, and help maintain high engineering standards across the team.
Key Responsibilities- Design, develop, and maintain secure, high-performance backend services using .NET Core
- Build, evolve, and maintain RESTful APIs
- Contribute to microservices-based and distributed system architectures
- Work across both greenfield and existing systems with a focus on scalability and maintainability
- Participate in technical design discussions and influence engineering best practices
- Optimise database performance, queries, and data access patterns
- Identify and resolve performance and reliability issues
- Collaborate closely with product, frontend, and QA teams in an Agile environment
- Participate in code reviews and support continuous improvement
- Strong commercial experience as a Senior Backend Engineer using .NET Core
- Proven experience building scalable backend systems in production environments
- Solid understanding of distributed and asynchronous backend systems
- Experience working with cloud platforms such as AWS or Azure
- Strong SQL Server experience, including query and performance optimisation
- Experience with ORMs such as Entity Framework Core or Dapper
- Exposure to message-based or event-driven systems (e.g. RabbitMQ, Kafka)
- Experience with automated testing frameworks (e.g. xUnit, NUnit)
- Comfortable working in Agile delivery environments
- Strong problem-solving and communication skills
- Experience working in the payments or broader fintech domain
- Exposure to highly regulated or high-availability systems
- Mentor junior and mid-level engineers
- Central London office
- Hybrid working: 3 days per week on-site
There is a 2 - 3 stage interview process with interview slots now available.
Senior Dotnet Developer in London employer: Halian | Managed Services, Recruitment Agency & Contract Staffing
Contact Detail:
Halian | Managed Services, Recruitment Agency & Contract Staffing Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Dotnet Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the fintech space and let them know you're on the lookout for a Senior Dotnet Developer role. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Get your hands dirty with some coding challenges! Brush up on your .NET Core skills by tackling real-world problems. This will not only boost your confidence but also give you solid examples to discuss during interviews.
✨Tip Number 3
Prepare for those technical interviews! Familiarise yourself with common questions related to distributed systems and performance optimisation. Practising with mock interviews can help you articulate your thought process clearly.
✨Tip Number 4
Don't forget to apply through our website! We make it easy for you to showcase your skills and experience. Plus, it shows us you're genuinely interested in joining our team. Let's get you that dream job!
We think you need these skills to ace Senior Dotnet Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with .NET Core and backend systems. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements in building scalable systems!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about fintech and how your background makes you a perfect fit for our team. Keep it engaging and relevant to the job description.
Showcase Your Projects: If you've worked on any interesting projects, especially those involving distributed systems or cloud platforms, make sure to mention them. We love seeing real-world applications of your skills, so don’t hold back!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re keen on joining our team at StudySmarter!
How to prepare for a job interview at Halian | Managed Services, Recruitment Agency & Contract Staffing
✨Know Your .NET Core Inside Out
Make sure you brush up on your .NET Core knowledge before the interview. Be ready to discuss your experience with building secure, high-performance backend services and how you've tackled challenges in previous projects. Highlight specific examples where your skills made a difference.
✨Showcase Your Problem-Solving Skills
Prepare to discuss real-world scenarios where you've identified and resolved performance or reliability issues. Use the STAR method (Situation, Task, Action, Result) to structure your answers, making it clear how your problem-solving abilities can benefit their team.
✨Familiarise Yourself with Distributed Systems
Since this role involves working with distributed systems, be ready to talk about your experience with microservices architectures and asynchronous backend systems. Bring examples of how you've contributed to these types of projects and any relevant technologies you've used, like RabbitMQ or Kafka.
✨Engage in Technical Discussions
During the interview, don't hesitate to participate in technical design discussions. Show your enthusiasm for engineering best practices and be prepared to share your thoughts on optimising database performance and maintaining high engineering standards. This will demonstrate your collaborative spirit and expertise.
