Senior Software Engineer

Agile methodologies and a passion for continuous improvement and building a high-performance engineering team

Guide and mentor the team to design and deliver high quality products

Consider architectural and non-functional requirements and work with the team to deliver

Significant commercial experience developing services and APIs with C#, .NET core, Mongo and/or SQL with techniques such as domain-driven design and MVC.

Strong technical background in web development with Angular/React/VueJs.

Experience in developing HTTP-based APIs and implementation of RESTful services with JSON.

Thorough understanding of CI/CD pipelines

Practices Test Driven Development and is comfortable with various test frameworks and concepts.

A proven record in developing scalable, highly available and highly performing middle-tier components.

Familiarisation with containerisation and tools like Docker and Kubernetes

Experience of developing, deploying, and maintaining Cloud-Based solutions on AWS

Understand principles behind highly performing web pages

Experience/Familiarity with Entity framework core.

Experience/Familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS)

At AJ Bell, we believe investing should feel good. Whether you're looking for an ISA, pension or dealing account, whether you want to invest with the help of a financial adviser or do it yourself, we have easy-to-use solutions to suit people from all walks of life.

We're one of the UK's fastest-growing investment platform businesses, trusted by everyone from professional financial advisers to first-time investors.

Today, over 762,000 customers trust us to manage more than £121.5 billion of assets. By continually striving to make investing simpler and more accessible, we're helping more people take control of their financial futures.

We're proud to be recognised as one of the UK's Best 100 Companies to Work For for six consecutive years, and a Great Place to Work® in 2025 and 2026, a reflection of our supportive and collaborative culture.

Regular social events including summer and Christmas parties

Learning and development opportunities tailored to you

Casual dress code

Friendly, supportive team environment

We offer hybrid working, with a minimum of 50% of your working time per month spent in the office.

For new starters, there’s an initial period of full-time office working to help you settle in and build relationships.

We’re committed to creating an inclusive environment where everyone feels respected and able to be themselves at work.

We welcome applications from all backgrounds and make hiring decisions based on skills, experience and potential.