Senior Full Stack Engineer

Job Title

Senior Full Stack Engineer

Job Description

So, who are we?

IG Group is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for the people who work here is real: genuinely complex problems to solve, the technology and resources to tackle them properly, and the kind of scope that's rare in established businesses. The bar is high – bring a curious and forward-thinking mindset and we'll give you the platform to define what comes next.

Join us at IG – the future gets built here.

Your team

You will be part of the IG APAC & ME Engineering team, responsible for building and enhancing modern client-facing trading applications. The team develops cloud-native applications on AWS, delivering scalable frontend and backend components that integrate seamlessly with IG’s trading systems and services.

Your role in the Team’s Success

In this role, you will design, build, and evolve cloud-native applications on AWS that power IG’s real-time client trading platforms used by clients globally. You will contribute to frontend architecture and technical decisions to ensure scalability, performance, and resilience under high user load and real-time data conditions. Working closely with product, platform, and co engineering teams, you will deliver secure, high-performance client experiences integrated with IG’s trading systems. You will take end-to-end ownership of features from design through production, driving engineering quality and operational excellence. Your contributions will directly influence platform reliability, performance, and the evolution of IG’s modern cloud-native architecture.
 

What you’ll do

• Design, develop, and maintain scalable, cloud-native frontend applications using React.js, TypeScript, React Native, and AWS, delivering high-performance client trading experiences.

• Build and integrate secure, reliable backend services and APIs using AWS Lambda, API Gateway, and related cloud-native technologies.

• Contribute to frontend architecture, performance optimization, and engineering best practices to ensure responsiveness, scalability, and resilience under real-time trading workloads.

• Deploy, monitor, and operate applications on AWS using services such as S3, CloudFront, and serverless infrastructure, ensuring high availability and reliability in production.

• Implement automated testing, participate in CI/CD pipelines, and drive improvements in code quality, maintainability, and deployment confidence.

• Collaborate closely with product, platform, and backend teams to design, deliver, and continuously improve production-grade trading applications with full feature ownership.

What you’ll need for this role

Key Qualification Requirements:

• 8–10 years of frontend development experience with strong expertise in Java, Spring, microservice architecture, DynamoDB, lambdas, ECS containers, React.js, React Native, Next.js, Redux, and component-driven architecture

• Minimum 3–4 years of hands-on experience designing, developing, and deploying cloud-native applications on AWS using services such as Lambda, API Gateway, S3, CloudFront, and related infrastructure.

• Proficiency in using AI-assisted development tools to improve engineering productivity and efficiency.

• Strong proficiency in TypeScript, JavaScript (ES6+), HTML5, CSS3, and modern frontend build tools such as Webpack, Babel, and Vite.

• Mandatory experience building and deploying cloud-native applications on AWS (S3, CloudFront, Lambda, API Gateway, Amplify).

• Experience with Progressive Web Apps (PWA), Service Workers, caching strategies, and frontend performance optimization.

• Hands-on experience with unit testing (Jest, React Testing Library), TDD practices, and modern CI/CD pipelines.

• Strong understanding of frontend architecture, RESTful APIs, browser internals, and delivering production-grade applications at scale.

• Experience handling end-to-end feature ownership, including design, development, testing, and deployment.

• Experience mentoring junior engineers and contributing to engineering excellence within the team.

• Familiarity with AI-assisted development tools (such as GitHub Copilot or similar) to improve productivity and engineering efficiency.

• Excellent communication skills, with the ability to clearly articulate technical concepts, collaborate effectively across teams, and contribute positively to engineering culture and decision-making.

How we work

We try to take a thoughtful approach to our ways of working as a company. We follow a hybrid working model with 3 days in the office – which we think balances the need to collaborate effectively and connect with each other. When it comes to how we deliver, there are 5 things we want everyone to do to drive high performance, better learning and career satisfaction:

• Lead and Inspire: Drives trust, alignment, and enthusiasm

• Think Big: Focus on the problems that most impact commercial outcomes

• Champion the client: Understand and prioritise client's needs

• Deliver at pace: Push for fast, sustainable growth;

• Raise the bar: Take ownership, be accountable and share feedback

We believe that diversity is vital to success, it fuels creativity, drives innovation and sets us up for global success. We’re committed to building teams with a variety of perspectives and skills to help us realise our vision and strategy, that’s why we encourage applications from people with diverse backgrounds and experiences to join us on this journey. Learn more about our D&I approach here.

The Perks

Your growth fuels our success! Thrive with tailored development programs, mentoring opportunities with leaders, and clear career progression. Expand your network through committees, sports and social clubs. Enjoy extra time off for volunteering and community work.

• Matched giving for your fundraising activity

• Flexible working hours and work-from-home opportunities

• Performance-related bonuses

• Insurance and medical plans

• Career-focused technical and leadership training in-class and online, incl. unlimited access to LinkedIn Learning platform

• Contribution to gym memberships and more

• Free Lunch/Snacks/Fruits

• A day off on your birthday

• Two days’ volunteering leave per year.

Learn more about the Perks here!
 

Join us for this exciting journey. Apply now!

Number of openings

1