Mid-Level React Fullstack Developer in Portsmouth

Mid-Level React Fullstack Developer in Portsmouth

Portsmouth Full-Time 36000 - 60000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Develop cutting-edge applications and services in an Agile environment.
  • Company: Join System1, a leader in predicting and improving marketing effectiveness for top advertisers.
  • Benefits: Enjoy flexible hybrid working, health insurance, education reimbursement, and fun social events.
  • Other info: We celebrate diversity and support candidates with reasonable adjustments throughout the recruitment process.
  • Why this job: Make a real impact on global strategy while working with innovative technology and a supportive team.
  • Qualifications: 4+ years of development experience, expert in React, and proficient in C#/.NET Core.

The predicted salary is between 36000 - 60000 £ per year.

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. 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
  • 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
  • Moderate C# / .NET Core
  • Moderate Entity Framework
  • Good knowledge of MSSQL

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

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.

Mid-Level React Fullstack Developer in Portsmouth employer: System1 Group PLC

At System1 Group PLC, we pride ourselves on fostering a dynamic and innovative work culture that empowers our employees to thrive. Located in the vibrant city of London, we offer competitive benefits, opportunities for professional growth, and a collaborative environment where your contributions directly impact our cutting-edge projects in machine learning. Join us to be part of a forward-thinking team that values creativity and excellence in delivering meaningful solutions.

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Contact Details:

System1 Group PLC Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Mid-Level React Fullstack Developer in Portsmouth

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at System1 Group PLC or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to System1 Group PLC.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like System1 Group PLC.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like System1 Group PLC that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Mid-Level React Fullstack Developer in Portsmouth

Proficiency in React
Experience with Redux or other state management libraries
Moderate knowledge of C# / .NET Core
Familiarity with Entity Framework
Good understanding of MSSQL
Unit Testing skills
Experience with Agile methodologies

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at System1 Group PLC.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at System1 Group PLC and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at System1 Group PLC

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If System1 Group PLC uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.