Senior Software Engineer

AJ Bell; Manchester; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

26 days holiday

Pension 7% matched

Discretionary bonus

Share schemes

Health cash plan

Free onsite gym

Enhanced family leave

Travel and bike loans

Employee Assistance Programme

Job summary

AJ Bell is seeking a Senior Software Engineer to join the Operational and Regulatory Technology team. You will work in a cross-functional group on a broad technology stack, guiding the team to deliver high-quality services and APIs.

The role requires strong experience with C#, .NET Core, Mongo/SQL, and modern web frontends (Angular/React/Vue). You will operate within agile teams, contribute to CI/CD and cloud deployments on AWS, and influence architectural decisions.

Qualifications

• Significant commercial experience developing services and APIs with C#, .NET Core, Mongo and/or SQL.
• Experience in developing HTTP-based APIs and RESTful services with JSON.
• Strong web development background with Angular/React/VueJs.
• Knowledge of CI/CD pipelines and TDD practices.
• Cloud-based solutions on AWS with containerisation (Docker/Kubernetes).
• Experience with EF Core and messaging systems (RabbitMQ/SQS).
• Familiarity with performance optimization of web pages and APIs.
• Experience in finance or e-commerce domains is a plus.

Responsibilities

• Guide and mentor the team to design and deliver high quality products.
• Collaborate to design and deliver scalable, reliable services and APIs.
• Consider architectural and non-functional requirements in delivery.
• Develop scalable, highly available middle-tier components.
• Work with CI/CD pipelines and automated testing.
• Contribute to cloud-native deployments on AWS and container orchestration.
• Play a key role in Agile/Scrum/SAFe practices.

Skills

Agile methodologies

Team mentoring

API design

Frontend frameworks

CI/CD

TDD

AWS

Docker/Kubernetes

EF Core

Message queues

Protobuf

Mongo/SQL

Financial services

Tools

Docker

Kubernetes

AWS

MongoDB

SQL

Entity Framework Core

Google Protocol Buffers

RabbitMQ/SQS

Job description

We now havean exciting opportunity for a Senior Software Engineer to join the Operational and Regulatory Technology department for an award-winning investment platform, offering a collaborative team working environment, training and excellent career progression.

Our strategy is to have a cross functional development team, with team members working on all areas of our technology stack and propositions.

What to expect:

• 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)
• Agile / SCRUM / SAFe
• Strong communication skills, written and verbal
• Very motivated with high levels of drive and enthusiasm
• E-commerce and/or financial services experience

About us:

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 762,000customers trust us to manage more than £121.5billion 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.

What we offer

• 26days holiday, increasing with service + buy/sell scheme + bank holidays
• 7% Pension with matched contributions
• Discretionary bonus scheme
• Share schemes (including free shares and BAYE)
• Health Cash Plan and discounted private healthcare
• Free onsite gym
• Enhanced family leave (subject to qualifying criteria)
• Travel and bike loan schemes
• Employee Assistance Programme

Life at AJ Bell

• Regular social events including summer and Christmas parties
• Learning and development opportunities tailored to you
• Casual dress code
• Friendly, supportive team environment

Our ways of working

We offer hybrid working, with a minimum of50% of your working time per monthspent in the office.

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

Inclusion & diversity

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.