C# Software Engineer - FinTech
C# Software Engineer - FinTech

C# Software Engineer - FinTech

London Full-Time 68000 - 84000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Develop high-quality applications and backend services using C# and .NET.
  • Company: Join a leading FinTech firm transforming financial services for clients worldwide.
  • Benefits: Enjoy a hybrid work model, competitive salary, bonuses, and great perks.
  • Why this job: Be part of an innovative team solving real-world problems in finance with cutting-edge technology.
  • Qualifications: Extensive experience in C#, .NET, SQL, and backend software development required.
  • Other info: Ideal for tech-savvy individuals passionate about fintech and agile methodologies.

The predicted salary is between 68000 - 84000 £ per year.

Job description

C# Software Engineer – FinTech – London

  • Hybrid role – 3 days per week in the London office

  • £85,000 – £98,000 base + bonus + benefits

Our client is looking to hire a C# Software Engineer in to join an engineering team who work directly with their pre and post sales clients ranging from small start-up hedge funds to multi-national financial service providers to understand their business problems and use cases. They then combine this with a detailed understanding of our clients products to help the clients to make best use of the opportunities offered by their industry leading platforms.

The ideal Software Engineer candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code.

C# Software Engineer Responsibilities

We are seeking a highly skilled C# Software Engineer with extensive experience in C#, .NET, and backend software engineering.

Key Responsibilities

  • Design, develop, and maintain backend services and APIs using C# and .NET technologies.

  • Collaborate with product managers, architects, and cross-functional teams to deliver high-quality software solutions.

  • Ensure scalability, performance, and reliability across all backend systems.

  • Write efficient SQL queries, stored procedures, and database optimizations.

  • Participate in code reviews, unit testing, and integration testing to maintain high engineering standards.

  • Contribute to full SDLC activities: requirements analysis, design, development, testing, deployment, and maintenance.

  • Champion best practices for software development, CI/CD, and agile methodologies.

  • Troubleshoot and resolve technical issues in production and pre-production environments.

C# Software Engineer Requirements

  • Extensive experience with C#, .NET Framework / .NET Core, and backend software development.

  • Strong expertise in SQL Server (or equivalent relational databases) – schema design, query optimization, stored procedures.

  • Proven experience across the full SDLC in complex enterprise or financial services systems.

  • Strong understanding of object-oriented programming, design patterns, and software architecture principles.

  • Experience with APIs, microservices, and integration with third-party systems.

  • Familiarity with cloud environments (Azure preferred) and DevOps practices.

  • Excellent problem-solving skills and ability to work in a fast-paced, regulated environment.

  • Strong communication and collaboration skills.

Nice to Have

  • Experience in financial services, fintech, or other highly regulated industries.

  • Knowledge of messaging queues, event-driven architectures, or distributed systems.

  • Exposure to containerization (Docker, Kubernetes) and CI/CD pipelines.

  • Familiarity with security best practices in software development.

Apply now!

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C# Software Engineer - FinTech employer: Vallum Associates

Join a dynamic and innovative FinTech company in London, where you will be part of a collaborative engineering team dedicated to delivering high-quality software solutions for a diverse range of clients. With a strong emphasis on employee growth, the company offers extensive training opportunities, a supportive work culture, and a competitive benefits package, including a generous salary and bonus structure. Experience the unique advantage of working in a hybrid role that promotes work-life balance while being at the forefront of technological advancements in the financial services sector.
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Contact Detail:

Vallum Associates Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land C# Software Engineer - FinTech

✨Tip Number 1

Familiarise yourself with the specific technologies mentioned in the job description, such as C#, .NET, and SQL Server. Being able to discuss your experience with these tools in detail during interviews will show that you're a strong fit for the role.

✨Tip Number 2

Network with professionals in the FinTech industry, especially those who work with C# and backend development. Attend relevant meetups or online forums to connect with potential colleagues and learn more about the company culture.

✨Tip Number 3

Prepare to discuss your experience with the full software development lifecycle (SDLC). Be ready to share specific examples of projects where you contributed to requirements analysis, design, development, testing, and deployment.

✨Tip Number 4

Showcase your problem-solving skills by preparing for technical questions or coding challenges that may arise during the interview process. Practising common algorithms and data structures can help you feel more confident.

We think you need these skills to ace C# Software Engineer - FinTech

C# Programming
.NET Framework / .NET Core
Backend Software Development
SQL Server
Schema Design
Query Optimization
Stored Procedures
Full SDLC Experience
Object-Oriented Programming
Design Patterns
Software Architecture Principles
APIs Development
Microservices
Integration with Third-Party Systems
Cloud Environments (Azure)
DevOps Practices
Problem-Solving Skills
Communication Skills
Collaboration Skills
Agile Methodologies
CI/CD Best Practices

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with C#, .NET, and backend software development. Include specific projects or roles that demonstrate your expertise in these areas, especially in financial services or fintech.

Craft a Compelling Cover Letter: Write a cover letter that explains why you are a great fit for the C# Software Engineer role. Mention your understanding of the financial services industry and how your skills can help the company solve their clients' business problems.

Showcase Relevant Projects: If you have worked on projects involving APIs, microservices, or cloud environments, be sure to include these in your application. Highlight any experience with SQL Server and your ability to write efficient queries.

Highlight Soft Skills: In addition to technical skills, emphasise your problem-solving abilities and communication skills. Mention any experience working in cross-functional teams or agile environments, as these are crucial for the role.

How to prepare for a job interview at Vallum Associates

✨Showcase Your C# Expertise

Be prepared to discuss your experience with C# and .NET in detail. Highlight specific projects where you've developed backend services or APIs, and be ready to explain the challenges you faced and how you overcame them.

✨Demonstrate Problem-Solving Skills

Since the role requires excellent problem-solving abilities, think of examples from your past work where you successfully resolved technical issues. Use the STAR method (Situation, Task, Action, Result) to structure your answers.

✨Familiarise Yourself with Financial Services

Understanding the financial services industry is a plus. Brush up on key concepts and trends in fintech, as well as any relevant regulations. This will show your potential employer that you're not just a tech expert but also understand the business context.

✨Prepare for Technical Questions

Expect technical questions related to SQL, database optimisation, and software architecture principles. Practise coding problems and be ready to write code on a whiteboard or in an online coding environment during the interview.

C# Software Engineer - FinTech
Vallum Associates
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  • C# Software Engineer - FinTech

    London
    Full-Time
    68000 - 84000 £ / year (est.)

    Application deadline: 2027-09-02

  • V

    Vallum Associates

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