Senior Software Engineer – Full Stack Engineer (React)

Hargreaves Lansdown PLC; Bristol; On-site; GBP 80,000 - 110,000; Full time

Benefits offered by this job

Discretionary annual bonus

25 days holiday + bank holidays

Hybrid working

Pension scheme

Private medical insurance

Life insurance

Job summary

Hargreaves Lansdown PLC is seeking a Senior Software Engineer with a strong frontend focus to develop customer-facing experiences on the Discover platform. You will work primarily with React and TypeScript, building responsive journeys for investing, savings and account actions.

You will contribute to backend through API integration when needed, participate in design discussions, and support CI/CD processes.

Qualifications

• Strong proficiency in React and TypeScript.
• Experience with GraphQL-driven architectures.
• Ability to own features from design through production.
• Familiarity with CI/CD and frontend testing.

Responsibilities

• Design, develop and maintain customer-facing applications across the Discover platform.
• Build responsive, accessible and high-performing user experiences using React and TypeScript.
• Develop and enhance features across multiple frontend applications and shared component libraries.
• Consume and integrate GraphQL and REST APIs within modern frontend architectures.
• Contribute to the evolution of our micro-frontend and platform architecture.
• Collaborate with Product Managers, Designers and Engineers to deliver customer value.
• Take ownership of features from design through to production deployment.
• Support CI/CD pipelines and frontend delivery processes.
• Drive engineering improvements, automation and operational excellence.
• Participate in technical design discussions, code reviews and architecture conversations.

Skills

React

TypeScript

GraphQL

Vite

Tailwind CSS

Zustand

React Testing Library

Playwright

Knowledge of micro-frontend patterns

Frontend architecture

Tools

Node.js

GitHub Actions

REST API integration

Docker

Job description

## Senior Software Engineer – Full Stack Engineer (React)Applylocations: Welcome Building: Home Basedtime type: Full timeposted on: Posted Todaytime left to apply: End Date: August 21, 2026 (15 days left to apply)job requisition id: R9541# 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 the role# Full Stack Senior Software Engineer with a strong frontend focus, working across React, TypeScript, GraphQL and modern frontend architecture patterns. You'll help build customer journeys that enable clients to discover investments, compare savings products, search financial instruments and complete account opening and transfer journeys across the Discover platform.**We're expanding our Discover engineering team and are looking for a Full Stack Senior Software Engineer with a strong frontend focus to help shape and evolve one of our key customer discovery platforms.**You'll work primarily on modern React applications and customer-facing experiences, whilst remaining comfortable contributing to backend services and APIs when required. This is an opportunity to work with modern frontend technologies, GraphQL-driven experiences, micro-frontend architectures and customer journeys that play a key role in our digital strategy.We're looking for engineers who are passionate about creating exceptional user experiences, take ownership of their work, and enjoy collaborating across product, design and engineering disciplines.You'll help build customer journeys that enable clients to discover investment opportunities, compare savings products, search across financial instruments and complete account opening and transfer journeys.**What You'll Be Doing*** Design, develop and maintain customer-facing applications across the Discover platform.* Build responsive, accessible and high-performing user experiences using React and TypeScript.* Develop and enhance features across multiple frontend applications and shared component libraries.* Consume and integrate GraphQL and REST APIs within modern frontend architectures.* Contribute to the evolution of our micro-frontend and platform architecture.* Collaborate closely with Product Managers, Designers and Engineers to deliver customer value.* Take ownership of features from design through to production deployment.* Support CI/CD pipelines and frontend delivery processes.* Drive engineering improvements, automation and operational excellence.* Participate in technical design discussions, code reviews and architecture conversations.**What We're Looking For*** Strong ownership mentality.* A passion for building intuitive and engaging customer experiences.* Strong problem-solving skills and attention to detail.* Comfortable working within modern frontend ecosystems and distributed systems.* Strong communication and collaboration skills.* Curiosity and willingness to learn across the full stack.* A proactive approach to identifying usability, performance and accessibility improvements.**Required Skills & Experience****Frontend Engineering*** React* TypeScript* Vite* TanStack Query* Zustand* Tailwind CSS* React Testing Library* Playwright* Modern component-based architecture patterns* Building customer-facing web applications**GraphQL & APIs**GraphQL is an increasingly important part of our future architecture and customer experience platform. We'd particularly welcome candidates with experience in:* Consuming GraphQL APIs within frontend applications* Building GraphQL-driven user experiences* Working with GraphQL schemas and API contracts* Integrating frontend applications with GraphQL and REST services* Developing applications in API-first environments**Full Stack Development*** Understanding of backend architectures and API integration patterns* Node.js exposure* REST API integration* Experience working across frontend and backend technologies**Engineering Practices*** Automated testing* CI/CD pipelines* GitHub or GitLab workflows* Modern software delivery practices* Code reviews and collaborative development**Desirable Skills****Modern Frontend Architecture*** Micro-frontend architectures* Module Federation* Performance optimisation techniques* Frontend observability and monitoring* Design systems and shared component libraries**Search & Content Platforms*** Contentful or other Headless CMS platforms* Typesense* Elasticsearch**Additional Technologies*** LaunchDarkly or feature flagging platforms* OAuth and authentication flows* Analytics integration* Grafana or similar observability platforms* Accessibility-first development**Cloud Exposure*** AWS* Lambda* API Gateway* Infrastructure as Code concepts**Nice to Have*** Financial Services experience* Exposure to PHP-based platforms and services* Experience working in large-scale digital product organisationsYou'll be comfortable taking ownership of features from design through to production, collaborating closely with design, product and engineering teams, and proactively identifying opportunities to improve both the customer experience and the way we work.You'll contribute to the evolution of Discover by delivering intuitive, reliable and accessible user experiences, supporting engineering excellence, and helping shape the future of one of our key customer-facing platforms.**Why us?**Here at HL, we’re the UK’s number 1 investment platform for private investors, based in Bristol. For more than 40 years we’ve helped investors save time, tax and money on their investments.To achieve our mission, we believe we have a workplace like no other, with constant learning, dynamic teams, and a great ethos. We're steered by core values that promote service, quality, innovation, and opportunity in everything we do.**What's on offer?*** Discretionary annual bonus\* and annual pay review* 25 days\* holiday plus bank holidays and 1-day additional Christmas closure* Option to purchase an additional 5 days holiday\*\** Flexible working options available, including hybrid working* Enhanced parental leave* Pension scheme up to 11% employer contribution* Income Protection and Life insurance (4 x salary core level of cover)* Private medical insurance\** Health care cash plans - including optical, dental, and outpatient care* Health screening programme* Help@hand - confidential support including mental health counselling and remote GP* Wellhub - unlimited access to fitness providers and wellness coach sessions* Variety of travel to work schemes with bike storage and shower facilities* Inhouse barista and deli serving subsidised coffee and sandwiches* Two paid volunteering days per year\* dependant on role level\*\* only available to select during our annual benefits window, in November each year*Hargreaves Lansdown is an inclusive employer that values diversity in its workforce. We encourage applications from all individuals without regard to race, religion, gender, sexual orientation, national origin, disability or age.**This role may also be available on a flexible working or part time basis – please ask the Recruitment & Onboarding team for more information.**Please note, we are unable to provide employment sponsorship to candidates.*