Mid-Level React FullStack Developer

System1 Group; Portsmouth; Hybrid; GBP 40,000 - 60,000; Full time

Job description

Mid-Level React FullStack Developer

• Location: Portsmouth / London
• Salary: £50,000 - £55,000
• Date Posted: 29^th January 2025

About System1.

System1 is the Creative Effectiveness Platform. Our target customers are the world’s largest advertisers. We predict and improve marketing effectiveness. Our advertising and idea tests measure emotion to give our customers the most accurate predictions of the business impact of creativity.

To learn more about us, please visit System1 Group | Create with Confidence.

About The Role

This role plays a key part of our development team in ensuring that we deliver the smartest technology to our clients.

We are looking for a talented and experienced person to join our IT Team as a React Full Stack Developer responsible for helping us build performant and cutting-edge applications and services for use by our customers and staff, showing passion, pride, and commitment in your work.

This is a perfect opportunity for you if you want to make an impact on our global strategy and growth!

What will you be doing?

• Working on our products to develop systems within an Agile delivery approach that supports incremental development of high-quality, fully tested application component delivery every 2 weeks
• Conduct unit testing, load testing, troubleshooting, and performance tuning as required
• Actively participate in the full system lifecycle including analysis, planning, implementation, testing, release, documentation, and operation
• Create and maintain software documentation

You need to be this kind of person:

• Organised and self-motivated team player
• Clear communicator
• Have a keen eye for best practices and design patterns
• Ability to champion new ideas, coding styles, and develop new approaches
• Excellent problem solver with an attention to detail without getting lost in it

You need to have the following experience:

• Minimum of 4+ years as a Developer
• Highly proficient or Expert in React
• Proficient in Redux or other state management
• Cross browser coding best practices
• Moderate C# / .net Core
• Moderate Entity-Framework
• Good knowledge of MSSQL
• Azure durable functions

It would be an advantage if you have experience in:

• Typescript, StyledComponents, Storybook, Jest, D3, NPM Webpack
• Website Accessibility
• Python or AI project experience
• Azure DevOps, Azure Pipelines and Repos
• Unit Testing
• Microservices
• Scrum

Benefits

We offer a competitive salary and bonus scheme, including health insurance, and pension. Our people are important to us, and we understand that each person has a life outside of work and we therefore offer flexible working arrangements (Hybrid) aiming to suit your needs. We also offer several wellbeing resources such as “de-clutter” afternoons for your personal and professional needs.

We encourage learning and offer education reimbursement opportunities.

We have recognition schemes, and regular socials, including summer and winter parties!

We welcome applicants from all diverse communities and encourage our candidates to ask us about reasonable adjustments that we may be able to make to support through our recruitment process and while in post.