Salary: £52,000 - 92,000 per year Requirements: Significant commercial experience developing services and APIs with C#, .NET core, Mongo and/or SQL using domain-driven design and MVC. Strong technical background in web development with Angular, React, or VueJs. Experience in developing HTTP-based APIs and implementing RESTful services with JSON. Thorough understanding of CI/CD pipelines. Practices Test Driven Development and is comfortable with various test frameworks and concepts. Proven record in developing scalable, highly available, and highly performing middle-tier components. Familiarity with containerization and tools like Docker and Kubernetes. Experience in developing, deploying, and maintaining Cloud-Based solutions on AWS. Understanding of principles behind high-performing web pages. Experience or familiarity with Entity Framework Core. Experience or familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS). Strong communication skills, both written and verbal. Motivated with high levels of drive and enthusiasm. Experience in e-commerce and/or financial services. Responsibilities: Guide and mentor the team to design and deliver high-quality products. Work collaboratively in a cross-functional development team across all areas of our technology stack. Implement Agile methodologies and contribute to continuous improvement of the team. Consider architectural and non-functional requirements to ensure product quality. Ensure the development of scalable and high-performing software solutions. Participate in the implementation of CI/CD pipelines and practices. Engage in Test Driven Development, utilizing various test frameworks. Technologies: API AWS Angular C# CI/CD Cloud Docker HTTP Support JSON Kubernetes MVC RabbitMQ React SQL Web TDD ASP.NET Vue More: We are AJ Bell, one of the UKs fastest-growing investment platform businesses, providing award-winning solutions for everyone from professional financial advisers to first-time investors. Today, over 723,000 customers trust us to manage more than £108.7 billion of assets. We pride ourselves on making investing simpler and more accessible, helping more people take control of their financial futures. Recognized as one of the UKs Best 100 Companies to Work For for six consecutive years, we offer a competitive package including starting holidays, pension contributions, a discretionary bonus scheme, private healthcare options, a free onsite gym, and ongoing professional development support. We also promote a hybrid working model, ensuring that you will have a minimum of 50% office time in Manchester. last updated 19 week of 2026