Senior Software Engineer (C# / JavaScript) in London

Senior Software Engineer (C# / JavaScript) in London

London Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Quanta

At a Glance

  • Tasks: Shape and scale systems while building reliable, scalable software.
  • Company: Dynamic international tech business with ambitious growth plans.
  • Benefits: Hybrid work model, competitive salary, and opportunities for professional development.
  • Other info: Be part of a pivotal scale-up journey with excellent career growth.
  • Why this job: Join a high-performing team and influence the future of technology.
  • Qualifications: Strong experience in software development, particularly in AWS and full-stack.

The predicted salary is between 60000 - 80000 £ per year.

We’re working with a growing, international technology business at a pivotal stage of its scale-up journey. With a high-performing team of around 40 people and ambitious growth plans, the company is now seeking a Senior Software Engineer to help shape the evolution of its systems and support the next phase of scale.

Reporting into the VP of Engineering, this role is focused on building reliable, scalable software and supporting the systems that underpin the company’s platform. While not a people management position, it carries significant influence across engineering and plays a central role in technical direction, delivery, and engineering standards.

  • Helping reshape and scale systems to handle significantly increased volume
  • Helping the team make pragmatic trade-offs between speed, quality, and maintainability
  • Embedding best practice in system design and software engineering
  • Contributing hands-on through coding, code review, and shipping to production regularly
  • Owning problems end-to-end, from design through to deployment and ongoing operation
  • Supporting system scalability, performance, and reliability as usage grows
  • Strong experience building and operating software in production, particularly in AWS
  • Experience working across the stack, including backend and frontend systems

Senior Software Engineer (C# / JavaScript) in London employer: Quanta

As a Senior Software Engineer at our dynamic London-based technology firm, you will be part of a high-performing team that values innovation and collaboration. We offer a hybrid work environment, competitive benefits, and ample opportunities for professional growth, ensuring that you can thrive while contributing to the evolution of our cutting-edge systems. Join us in shaping the future of technology as we scale up and make a meaningful impact in the industry.

Quanta

Contact Details:

Quanta Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Software Engineer (C# / JavaScript) in London

Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who work at companies you're interested in. A friendly chat can lead to referrals, which can give you a leg up in the hiring process.

Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those involving C# and JavaScript. This gives potential employers a taste of what you can do and how you approach problem-solving.

Tip Number 3

Prepare for technical interviews by brushing up on coding challenges and system design principles. Practice makes perfect, so consider mock interviews with friends or using online platforms to get comfortable with the format.

Tip Number 4

Don’t forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, applying directly can sometimes speed up the process and put you on the radar of hiring managers.

We think you need these skills to ace Senior Software Engineer (C# / JavaScript) in London

C#
JavaScript
AWS
Software Development
System Design
Code Review
Production Deployment

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the Senior Software Engineer role. Highlight your experience with C# and JavaScript, and don’t forget to mention any work you've done in AWS!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re excited about this opportunity and how your background makes you a perfect fit for our growing team. Be genuine and let your personality come through.

Showcase Your Projects:If you’ve worked on relevant projects, whether personal or professional, make sure to include them in your application. We love seeing hands-on experience, especially if it involves building scalable systems or working across the stack.

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 shows you’re keen to join our team!

How to prepare for a job interview at Quanta

Know Your Tech Stack

Make sure you’re well-versed in C# and JavaScript, as these are crucial for the role. Brush up on your knowledge of AWS and be ready to discuss how you've used these technologies in past projects.

Showcase Your Problem-Solving Skills

Prepare examples of how you've tackled complex problems in software design and engineering. Be ready to explain your thought process and the trade-offs you made between speed, quality, and maintainability.

Demonstrate Hands-On Experience

Since this role involves coding and code reviews, come prepared to discuss specific instances where you contributed to production code. Highlight any experience you have with end-to-end ownership of projects.

Understand the Company’s Growth Plans

Research the company’s current systems and their ambitions for scaling. Be ready to discuss how you can contribute to their goals and what best practices you would implement to support their growth.