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For Companies At a Glance
- Tasks: Lead the design and development of innovative web and mobile applications for a leading financial services platform.
- Company: Join Hargreaves Lansdown, a trusted name in financial services with over 2 million clients.
- Benefits: Enjoy a competitive salary, generous pension contributions, private medical insurance, and lifestyle perks.
- Why this job: Shape the future of investing and make a real impact on client experiences.
- Qualifications: 10+ years in software engineering, with expertise in React, mobile architecture, and API integration.
- Other info: Work in a vibrant office with rooftop gardens and London's highest basketball court.
The predicted salary is between 36000 - 60000 £ per year.
Excited to grow your career? Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at Hargreaves Lansdown.
We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We’d love to hear from you!
About HL And The Opportunity
We’re building the next generation platform for one of the UK’s largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. You will contribute in building our next generation Unified Client Experience (UCX) frontend platforms that will streamline client journeys across a range of products and services, in both web and mobile domains. It’s an opportunity to design, architect and build modern web and mobile applications using the latest technologies and best practices to transform our savings and investment platform.
The UCX team consolidates the efforts of the whole organisation, transforming client journeys and delivering on HL’s vision to give people financial freedom. You will work with like-minded people from business, product and engineering functions to develop and refine client journeys covering onboarding, KYC, account management and investment workflows in a secure and compliant environment. By joining us, you’ll help deliver innovative and scalable solutions that make investing easier and more accessible to millions of users across the UK.
Be part of HL’s future. Be part of the future of investing. Shape it with us.
What You’ll Be Doing
- Set technical direction: Define & maintain Front-End/Web and mobile software architecture and patterns, engineering standards and the ‘right way’ to build greenfield HL state of the art web and mobile applications.
- Own a technical ‘opinionated’ architecture for front end and mobile applications: shape application designs, rail guards and make trade-offs and prevent regret spend.
- Define scalable and reusable UI component-based architecture, state management, routing/navigation, error handling, data fetching and modularization strategy.
- Design, publish and own engineering standards including coding standards, CI/CD strategy, deployment blueprint, testing automation strategy, observability design and security baseline.
- Design Integration strategies for HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services.
- Tackle high-impact problems: performance bottlenecks, reliability issues, scaling limits, complex integration, tech debt hotspots.
- Lead through influence: Align stakeholders, run design reviews, drive decisions, own technical governance and unblock delivery teams.
- Mentor and level-up others: Coach senior/leads and set strong bar for engineering excellence.
- R&D: Stay at the forefront of the React/React Native ecosystem, evaluating new technologies, industry practices and guide the engineering delivery teams with adoption.
About You
- 10+ years of experience with Web / Front End & Mobile software engineering and at least 4+ years in a Principal Engineering or Solution Architect role or similar.
- Deep understanding of Front End / Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others.
- Advanced knowledge of React and React Native Eco system and AWS technology stack.
- Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns.
- Well versed in latest CI/CD practices and tools, deployment methodologies and experienced in tools to enforce quality standards.
- Mastery of Webpack/Metro configurations, Babel and TypeScript.
- Expertise in complex state management and understanding the nuances between DOM based and Native based styling/layouts.
- Demonstrated ability to create clear and well written documentation for architecture, design patterns, rail guards and lead design governance.
- Strong communication and articulation skills, capable of independently navigating an organization and able to negotiate and lead discussions across various levels and departments to develop consensus.
Interview Process
- 3 Stage Interview
- Stage 1 – Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more detail about the role, our tech stack and some of the problems we solve every day. Here, we’ll dig a bit more into some of your experiences, understand the processes you’re familiar with and the technologies you’ve used to deliver end user value.
- Stage 2 – Technical (70mins): For the technical part, we’d like you to sit down with some of your potential peers to work through a technical solution or a coding problem. We’ll be looking together at where a sample piece of technology / code has issues and how we might address them.
- Stage 3 - Culture Fit (30mins): In our Cultural Fit interview, we’ll be looking to learn more about your past experiences, what keeps you motivated, where we may be able to help you improve further, key decisions you’ve helped to make and issues you’ve resolved.
Salary & Package
We offer a competitive salary, depending on experience, alongside a generous performance-based bonus scheme. Your total reward package includes:
- Up to 19% pension contribution - helping you plan confidently for the future.
- Private medical insurance - giving you peace of mind and access to top-tier healthcare.
- A wide range of excellent benefits, from lifestyle perks to wellbeing support, designed to help you thrive both in and out of work.
We believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way.
Working Schedule
We’re based in the stunning Paddington Central offices at 4 Kingdom Street, a modern workspace designed to energise your day and elevate collaboration.
What Makes It Special?
- Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups.
- London’s highest rooftop basketball court - yes, really!
Principal Software Engineer (Solution Architect) - Unified Client Experience (UCX) (Frontend & Mobile) in London employer: Hargreaves Lansdown
Contact Detail:
Hargreaves Lansdown Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principal Software Engineer (Solution Architect) - Unified Client Experience (UCX) (Frontend & Mobile) in London
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. A friendly chat can open doors that a CV just can't.
✨Tip Number 2
Prepare for those interviews! Research the company, understand their tech stack, and be ready to discuss how your experience aligns with their needs. We want to see your passion!
✨Tip Number 3
Show off your skills! If you’ve got a portfolio or GitHub, make sure it’s up to date. Let us see what you can do with real examples of your work.
✨Tip Number 4
Don’t hesitate to apply through our website! Even if you don’t tick every box, if you’re excited about the role, we want to hear from you. Your future starts here!
We think you need these skills to ace Principal Software Engineer (Solution Architect) - Unified Client Experience (UCX) (Frontend & Mobile) in London
Some tips for your application 🫡
Show Your Passion: When you’re writing your application, let your excitement for the role shine through! We want to see that you’re genuinely interested in shaping the future of investing with us. Share why this opportunity excites you and how you can contribute to our mission.
Tailor Your CV: Make sure your CV is tailored to the job description. Highlight your relevant experience in frontend and mobile engineering, especially any work with React or AWS. We love seeing how your skills align with what we’re looking for, so don’t hold back!
Be Clear and Concise: Keep your application clear and to the point. Use bullet points where possible to make it easy for us to read. We appreciate well-structured applications that get straight to the heart of your experience and skills.
Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team at Hargreaves Lansdown.
How to prepare for a job interview at Hargreaves Lansdown
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially React, React Native, and AWS. Brush up on your knowledge of front-end architecture and design patterns, as you'll likely be asked to discuss these in detail during the technical interview.
✨Prepare for Problem-Solving
During the technical stage, you’ll need to tackle coding problems and identify issues in sample code. Practice common coding challenges and think through how you would approach performance bottlenecks or integration issues. Being able to articulate your thought process is key!
✨Showcase Your Leadership Skills
Since this role involves mentoring and influencing others, be ready to share examples of how you've led teams or projects in the past. Highlight your experience in aligning stakeholders and driving decisions, as this will demonstrate your fit for the culture at Hargreaves Lansdown.
✨Cultural Fit Matters
In the final interview stage, they’ll want to know about your motivations and how you handle challenges. Reflect on your past experiences and be prepared to discuss what drives you and how you can contribute to their vision of financial freedom for clients.
