Full‑Stack Web Software Engineer - React, ASP.NET & C# in Portsmouth
Full‑Stack Web Software Engineer - React, ASP.NET & C#

Full‑Stack Web Software Engineer - React, ASP.NET & C# in Portsmouth

Portsmouth Full-Time 40000 - 50000 £ / year (est.) No home office possible
Computer Futures / SThree Group

At a Glance

  • Tasks: Design and build full-stack web applications using React, ASP.NET, and C#.
  • Company: Join a dynamic team at a growing tech company focused on innovation.
  • Benefits: Competitive salary, remote work options, and opportunities for professional growth.
  • Other info: Great chance to enhance your skills in a supportive and agile environment.
  • Why this job: Make a real impact by working on production systems and owning features end to end.
  • Qualifications: Experience with React, ASP.NET, C#, and a collaborative mindset.

The predicted salary is between 40000 - 50000 £ per year.

We are looking for a Full‑Stack Software Engineer to join a growing development team building modern, business‑critical web applications. This role suits someone who enjoys working across the full stack and takes pride in owning features from initial concept through to deployment.

You’ll be involved in both front‑end and back‑end development, working closely with other engineers, product owners, and stakeholders to deliver clean, scalable, and user‑focused solutions.

What you’ll be doing:

  • Designing and building front‑end web applications using React
  • Developing and maintaining back‑end services and web applications using ASP.NET and C#
  • Working across the full stack, contributing to both UI and API development
  • Building and consuming RESTful APIs
  • Writing clean, well‑structured, and maintainable code
  • Collaborating with the wider team to refine requirements and technical solutions
  • Troubleshooting issues, improving performance, and fixing bugs
  • Supporting the ongoing improvement of development standards, tooling, and ways of working
  • Taking ownership of features and delivering them end to end

What we’re looking for:

  • Strong commercial experience with React for front‑end development
  • Solid back‑end experience using ASP.NET and C#
  • Proven experience working in a full‑stack role (not purely front end or purely back end)
  • Good understanding of modern web application architecture
  • Experience building and working with APIs
  • Comfortable working in a collaborative, agile environment
  • Able to communicate clearly with both technical and non‑technical colleagues
  • A pragmatic approach to problem‑solving and delivery

Nice to have:

  • Experience working with cloud environments
  • Exposure to CI/CD pipelines
  • Knowledge of modern testing practices
  • Experience working on scalable or high‑availability systems

Why consider this role?

  • Genuine full‑stack work with balanced exposure across front end and back end
  • Opportunity to work on real, production systems rather than greenfield demos only
  • A collaborative team environment with scope to influence technical decisions
  • Room to grow technically and professionally as the team and systems evolve

If you enjoy building complete web solutions and want a role where you can see the direct impact of your work, this is a strong opportunity to develop your full‑stack skillset further.

Full‑Stack Web Software Engineer - React, ASP.NET & C# in Portsmouth employer: Computer Futures / SThree Group

Join a dynamic and innovative team as a Full-Stack Software Engineer, where you'll have the opportunity to work on impactful web applications in a collaborative environment. Our company fosters a culture of continuous learning and professional growth, providing you with the tools and support to enhance your technical skills while contributing to meaningful projects. Located in a vibrant area, we offer a unique blend of work-life balance and career advancement opportunities, making us an excellent employer for those looking to thrive in their careers.
Computer Futures / SThree Group

Contact Detail:

Computer Futures / SThree Group Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Full‑Stack Web Software Engineer - React, ASP.NET & C# in Portsmouth

Tip Number 1

Network like a pro! Reach out to your connections in the tech world, especially those who work with React or ASP.NET. A friendly chat can lead to insider info about job openings that aren't even advertised yet.

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving full-stack development. Make sure to highlight any RESTful APIs you've built and how you tackled challenges along the way.

Tip Number 3

Prepare for interviews by brushing up on both front-end and back-end concepts. Be ready to discuss your experience with React and ASP.NET, and don’t forget to practice coding challenges that reflect real-world problems.

Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in joining our team and contributing to exciting projects.

We think you need these skills to ace Full‑Stack Web Software Engineer - React, ASP.NET & C# in Portsmouth

React
ASP.NET
C#
Full-Stack Development
RESTful APIs
Web Application Architecture
Agile Methodologies
Collaboration Skills
Problem-Solving Skills
Code Quality and Maintainability
Performance Troubleshooting
CI/CD Pipelines
Modern Testing Practices
Scalable Systems

Some tips for your application 🫡

Show Off Your Full-Stack Skills: Make sure to highlight your experience with both front-end and back-end technologies. We want to see how you've used React, ASP.NET, and C# in real projects, so don’t hold back on the details!

Tailor Your Application: Take a moment to customise your application for this role. Mention specific projects or experiences that align with our needs, especially around building and consuming APIs. It shows us you’re genuinely interested!

Keep It Clear and Concise: When writing your application, clarity is key! Use straightforward language and structure your thoughts well. We appreciate clean, maintainable code, and that starts with how you present your application.

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’re considered for the role. Plus, it’s super easy!

How to prepare for a job interview at Computer Futures / SThree Group

Know Your Tech Stack Inside Out

Make sure you’re well-versed in React, ASP.NET, and C#. Brush up on your knowledge of building RESTful APIs and modern web application architecture. Being able to discuss your past projects and how you’ve used these technologies will show your expertise.

Showcase Your Full-Stack Experience

Prepare examples that highlight your experience across both front-end and back-end development. Talk about specific features you’ve owned from concept to deployment, and how you collaborated with team members to deliver user-focused solutions.

Communicate Clearly and Confidently

Practice explaining technical concepts in a way that non-technical colleagues can understand. This will demonstrate your ability to work in a collaborative environment and ensure everyone is on the same page during discussions.

Be Ready to Problem-Solve

Expect to face some technical challenges during the interview. Prepare to walk through your thought process when troubleshooting issues or improving performance. Showing a pragmatic approach to problem-solving will impress your interviewers.

Full‑Stack Web Software Engineer - React, ASP.NET & C# in Portsmouth
Computer Futures / SThree Group
Location: Portsmouth

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