Software Engineer III- Front End React- Nutmeg- Mid Level

Nutmeg Saving and Investment Limited; London; On-site; GBP 55,000 - 75,000; Full time

Job summary

A leading FinTech company is seeking a Software Engineer III with expertise in Front End React to join their dynamic team in London. The ideal candidate will thrive in an Agile environment and be passionate about building top-notch customer-centric web applications. Responsibilities include engaging in all phases of product implementation, from understanding user needs to maintaining high code quality. Join us to make a significant impact on our product development.

Qualifications

• Strong proficiency in React and its core principles.
• Experience with testing frameworks such as Jest, RTL, or Cypress.
• Good understanding of REST and APIs.

Responsibilities

• Develop and deliver product features for the Nutmeg Webapp.
• Participate in code reviews ensuring code quality.
• Identify and resolve defects in existing applications.

Skills

React

Web fundamentals

Testing frameworks

Networking

APIs

Communication

Tools

Jenkins

GitHub Actions

Webpack

Typescript

Job description

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Software Engineer III- Front End React- Nutmeg- Mid Level, London

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Client:

Nutmeg Saving and Investment Limited

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

8cfcba54ad00

Job Views:

4

Posted:

29.06.2025

Expiry Date:

13.08.2025

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Job Description:

Our team is at the heart of this venture, focused on getting smart ideas into the hands of our customers. We're looking for people who have a curious mindset, thrive in collaborative squads, and are passionate about building quality software that has a big impact in a rapidly changing environment. By their nature, our people are also solution-oriented, commercially savvy and have a head for fintech. We work in tribes and squads that focus on specific products and projects.

JobResponsibilities:

• Work with the Product team to understand user’s needs and follow an Agile SDLC to develop and deliver product features to the Nutmeg Webapp.
• Take ownership of tasks from the estimation stage right through until the release stage and post production
• Identify, troubleshoot and resolve existing or newly-identified prioritised defects
• Write tests for all code you deliver and adhere to best practices/standards, ensuring high-quality code
• Participate in code reviews, ensuring high code quality and continuous development and learning for yourself and your colleagues
• Be someone who enjoys knowledge sharing, who is keen to attend and participate in some of the many skill share sessions we regularly hold in the Web team and across the wider Engineering department.
• Propose/contribute/collaborate on Technical Initiatives - improving and evolving the existing codebase and toolset
• Be keen to ensure that we focus on solving the essence of the problem rather than merely dealing with the symptoms
• Consider Accessibility (WCAG), Security, Observability & Performance as part of all owned applications/deliverables.

Required qualifications, capabilities and skills

• English working proficiency is a must, you will be working with the team in London
• Proven track record of building and maintaining customer-centric web applications/SPAs.
• Strong proficiency in React and its core principles
• Solid grasp of Web fundamentals:
• General Networking (HTTP, IP & DNS, Caching)
• Experience with testing frameworks such as Jest, RTL, Cypress or Playwright
• Understanding of build tools such as Webpack, Vite, Parcel.
• Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation.
• Understanding of CI/CD platforms such as Jenkins and Github Actions.
• Experience with monitoring and alerting in order to maintain a production application
• Good understanding of REST and what it means to work with APIs
• Good communication skills, you can work well within a delivery team and manage interactions with other parts of the organisation, such as Product and Operations
• Curious about new ways of working and open to different approaches and ideas.
• A passion for self-development and learning who keeps up to date with the latest Web/React trends and technologies.
• Proactive and willing to help others put forward ideas

Preferred qualifications, capabilities and skills- nice to haves

• Experience with Typescript, GraphQL or AWS
• Experience with feature flagging/AB testing
• Experience with Design systems (UI Development, White-labelling)
• Experience in the FinTech sector
• Show us your Github/Stack Overflow/app portfolio!