Dotnet Developer

Halian; London; Hybrid; GBP 55,000 - 65,000; Full time

Job summary

Halian is seeking a Junior - Mid level .NET Developer to join their dynamic engineering team in London. This role involves designing and developing scalable financial applications, leveraging the .NET stack and AWS cloud technologies. Ideal candidates will have a strong background in software development, particularly within the FinTech industry, along with the ability to mentor juniors. A hybrid work model is offered, requiring three days on-site in London.

Qualifications

• 2 - 5 years of experience in software development with .NET.
• Proven experience in AWS cloud technologies.
• Experience in designing scalable applications.

Responsibilities

• Develop and maintain scalable applications using .NET.
• Collaborate with product managers and architects.
• Mentor junior developers and optimize application performance.

Skills

C#

.NET Core/.NET 6+

AWS

Cloud-native applications

Database management

Education

Bachelor’s or Master’s degree in Computer Science, Engineering, or related field

Tools

Terraform

CloudFormation

Job description

3 days ago Be among the first 25 applicants

This range is provided by Halian. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

My client is seeking a skilled Junior - Mid level .NET Developer to join dynamic engineering team. The ideal candidate will have a strong background in building scalable applications using the Microsoft .NET stack, proven experience with AWS cloud ideally with other cloud technologies considered, and a deep understanding of the FinTech space would be nice to have, but not essential.

This role is crucial to driving the development of our next-generation financial solutions, contributing to architecture decisions, and mentoring junior developers.

Key Responsibilities:

• Design, develop, and maintain robust, scalable, and secure applications using .NET (C#, .NET Core/.NET 6+)
• Work on cloud-native solution development using AWS services such as Lambda, API Gateway, DynamoDB, S3, ECS, and more
• Collaborate with product managers, architects, and other developers to deliver high-quality features and enhancements
• Write clean, maintainable, and efficient code following best practices and design patterns
• Participate in architectural reviews and contribute to technical decision-making
• Optimize applications for performance, scalability, and security
• Mentor and support junior developers and contribute to team knowledge sharing
• Ensure compliance with regulatory requirements and industry standards in the FinTech space
• Conduct code reviews and provide constructive feedback

Required Skills & Experience:

• 2 - 5 years of professional experience in software development with .NET (C#, .NET Core/.NET 6+)
• At least 2+ years as a proven Senior .Net developer - Ideally within the fintech space
• Strong experience designing and building cloud-native applications on AWS
• Solid understanding of cloud architecture, infrastructure-as-code (e.g., Terraform, CloudFormation), and CI/CD pipelines
• Experience with relational and NoSQL databases (e.g., SQL Server, PostgreSQL, DynamoDB)
• Familiarity with event-driven architecture and messaging systems (e.g., SNS, SQS, Kafka)
• Proven track record working in FinTech or financial services environments

Nice to Have:

• Frontend experience with modern frameworks (e.g., React, Angular)
• Familiarity with containerization (Docker) and orchestration (Kubernetes, ECS)
• Exposure to domain-driven design (DDD), CQRS, or microservices architecture
• Certification in AWS (e.g., AWS Certified Developer or Solutions Architect)

Education:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (or equivalent experience)

This role is hybrid with 3 days a week on site in central London and offers a 2 - 3 stage interview process.

Interview slots now available - apply now.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

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