Full Stack Engineer

AJ Bell; Manchester, Greater London; On-site; GBP 75,000 - 110,000; Full time

Benefits offered by this job

25 days holiday

Pension 6%

Share schemes

Health plan

Free onsite gym

Enhanced family leave

Travel and bike loan

Job summary

AJ Bell is seeking an experienced Full Stack Engineer to help architect, build, and deploy APIs, web apps, data layers, and third‑party integrations across the stack (NodeJS, React, PHP, .NET Core, MongoDB, SQL). You will work in a cross‑functional squad focused on engineering excellence and customer value.

We value a DevOps mindset, TDD practices, and cloud-based solutions on AWS. Expect collaboration with Product, UX, and Business teams and a dynamic, autonomous environment.

Qualifications

• 5+ years of web apps and API development experience.
• Experience collaborating with product, UX and business teams.

Responsibilities

• Hands-on full stack development across NodeJS, React and APIs.
• Contribute to CI/CD pipelines and DevOps initiatives.
• Collaborate with product and design to deliver customer value.
• Own software quality through TDD and testing.

Skills

5+ years experience

Stakeholder communication

DevOps mindset

Test Driven Development

Customer focus

Tools

NodeJS

React

PHP

.NET Core

MongoDB

SQL

GraphQL

Jenkins

CodePipeline

Docker

ECS

Kubernetes

AWS

Job description

This is an exciting opportunity for a Full Stack Engineer to grow their career at AJ Bell, helping us to develop the future of our services that power Feel Good Investing. You will be joining a cross functional development team which has a philosophy of continuous improvement, and a strong focus on engineering excellence.

This role is part of a growing team focussed on providing the core services that underpin our apps and websites, ensuring our customers are provided with world-class innovative investment solutions and services.

We are on the lookout for an experienced Full Stack Engineer who can help architect, build and deploy apis, web apps, data layers, and 3rd party integrations across the stack, from NodeJS (Typescript), MongoDB, React, and cloud-native solutions in AWS.

What to expect:

• Hands-on with full stackfeature development, working with other engineers across different disciplines in a dedicated product-aligned squad
• A dynamic, cross-functional Agile squadwith a continuous improvement mindset, and autonomy to do the right thing
• Working closely with Product, UX and Business colleagues, as well as mobile and web engineers, to propose new solutions and pilot ideas that help customers Feel Good Investing
• Embrace a ‘build it, run it, own it’ DevOps mentality, nurturing code from idea all the way to production
• 5+ years commercial experience developing web applicationsand APIs with some of the following; Node (Typescript), React, PHP, .NET core, MongoDB and/or SQL.
• Experience in developing HTTP-based APIs and implementation of RESTful services, as well asGraphQL
• Thorough understanding of CI/CD pipelines with experience of Jenkins and/or CodePipeline
• Practices Test Driven Development and is comfortable with various test frameworks and concepts.
• Familiarisation with containerisation and tools like Docker, ECS or Kubernetes
• Experience of developing, deploying, and maintaining Cloud-Based solutions on AWS
• Understand the principles behind what makes a high performing web page

Other required skills:

• Demonstrable experience working with stakeholders from product management and other business areas to design and deliver a solution
• An interest in user experience and an appreciation for helping to solve the problem customers have
• A keen eye for detail and ability to articulate and digesttechnical and non-technical requirements to others

About AJ Bell

AJ Bell is one of the UK’s fastest-growing investment platform businesses, providing award-winning solutions for everyone, from professional financial advisers to first-time investors.

Today, over762,000customers trust us to manage more than£121.5billion of assets. By continually striving to make investing simpler and more accessible,we’rehelping more people take control of their financial futures.

We’reproud to be recognised as one of the UK’s Best 100 Companies to Work Forforsix consecutive years, and a Great Place to Work in 2025 and 2026a reflection of our supportive and collaborative culture.

What we offer

• 25days holiday, increasing with service + buy/sell scheme + bank holidays
• 6% Pension with matched contributions
• 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 schemesEmployee 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’san initialperiod of full-time office working to help you settle in and build relationships.

Inclusion & diversity

We’recommitted 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,experienceand potential.