At a Glance
- Tasks: Develop modern internal applications using React and support .NET backend services.
- Company: Established retail business with a start-up culture and quick decision-making.
- Benefits: Competitive daily rate, flexible contract, and immediate start.
- Other info: Opportunity to work in a fast-paced environment with minimal hierarchy.
- Why this job: Join a dynamic team and make a real impact on operational challenges.
- Qualifications: Strong experience in React, TypeScript, and building scalable APIs.
Up to £400 per day
Initial 3-6 Month Contract | Immediate Start
We’re working with a well‑established retail business currently undergoing a major internal transformation programme and they’re looking for a Senior Full Stack Developer to join immediately on an Outside IR35 contract basis. The business has been operating successfully for over 10 years and combines the stability of an established company with the pace and culture of a start‑up environment. Decisions happen quickly, there’s very little hierarchy, and engineers are trusted to own delivery and make an impact.
This role will focus heavily on building modern internal applications and operational tooling that support large‑scale scheduling, optimisation and customer service functions across the business.
The Role
You’ll play a key role in developing modern React‑based internal applications alongside supporting .NET backend services, helping replace legacy workflows with scalable, API‑first systems. The work is highly delivery‑focused and suited to someone who enjoys solving real operational challenges through clean, pragmatic engineering.
- React (v18+)
- TypeScript
- REST APIs
- Modern frontend tooling
Key Experience
- Strong experience building modern applications with React and TypeScript
- Experience building scalable APIs and internal systems
- Comfortable working closely with Product and operational stakeholders
- Strong understanding of modern frontend architecture and performance
- Experience in retail, logistics, scheduling or operational systems would be beneficial
- Shopify experience would be a major bonus
Senior Full Stack Developer – .NET / React employer: Fynity
Join a dynamic retail business that blends the stability of an established company with the innovative spirit of a start-up. As a Senior Full Stack Developer, you'll thrive in a collaborative environment where your contributions are valued, and you'll have the opportunity to work on impactful projects that drive operational excellence. With a focus on employee growth and a culture that encourages quick decision-making, this role offers a unique chance to make a significant difference while enjoying the benefits of a flexible contract arrangement.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Developer – .NET / React
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who work in retail or tech. A personal recommendation can make all the difference when you're trying to land that Senior Full Stack Developer role.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your React and .NET projects. This is your chance to demonstrate your ability to build modern applications and scalable APIs, so make it shine!
✨Tip Number 3
Prepare for the interview by brushing up on your problem-solving skills. Be ready to discuss how you've tackled operational challenges in the past, as this role is all about delivering practical solutions.
✨Tip Number 4
Don’t forget to apply through our website! We’re always looking for talented developers like you, and applying directly can give you an edge. Plus, it’s super easy to keep track of your application status!
We think you need these skills to ace Senior Full Stack Developer – .NET / React
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with React, TypeScript, and .NET. We want to see how your skills match the job description, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Tell us why you’re excited about this role and how your background makes you the perfect fit. Keep it concise but engaging – we love a good story!
Showcase Your Problem-Solving Skills:In your application, give examples of how you've tackled real operational challenges in the past. We’re all about clean, pragmatic engineering, so let us know how you’ve made an impact in previous roles.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!
How to prepare for a job interview at Fynity
✨Know Your Tech Stack
Make sure you’re well-versed in React, TypeScript, and .NET. Brush up on the latest features and best practices, especially with React v18+. Be ready to discuss how you've used these technologies in past projects and how they can be applied to solve operational challenges.
✨Showcase Problem-Solving Skills
Prepare examples of how you've tackled real-world problems in previous roles. Think about specific instances where your engineering solutions made a significant impact, particularly in retail or logistics. This will demonstrate your ability to deliver results in a fast-paced environment.
✨Understand the Business Context
Research the company’s current transformation programme and understand their operational needs. Being able to speak to how your skills can help them replace legacy workflows with scalable systems will show that you’re not just a techie, but someone who understands the bigger picture.
✨Engage with Stakeholders
Since the role involves working closely with product and operational stakeholders, prepare to discuss how you’ve successfully collaborated with non-technical teams in the past. Highlight your communication skills and how you ensure everyone is aligned on project goals.
