Lead Full Stack Engineer in London

Lead Full Stack Engineer in London

London Full-Time No working from home possible
TXP

At a Glance

  • Tasks: Lead migration to AWS and Kubernetes, build modern service templates, and design migration pipelines.
  • Company: Dynamic tech company in Westminster, London, focused on innovative cloud solutions.
  • Benefits: Competitive daily rate, flexible work schedule, and opportunity to work with cutting-edge technologies.
  • Other info: Exciting opportunity for career growth in a fast-paced environment.
  • Why this job: Join a collaborative team and lead impactful projects in cloud migration and software development.
  • Qualifications: 8+ years of C# and .NET experience, strong AWS and Kubernetes skills required.

12 month Contract

2-3 days per week in Westminster, London

650 - 700 per day inside IR35

TXP are looking for a Lead Fullstack Software Engineer to join our clients team. Working alongside existing developers, tech leads, and the platform group. This is application and service-level work, not infrastructure at the network or hardware layer. The separate Platform Engineering team owns the underlying cloud infrastructure, networking, and shared platform services; this role operates at the application layer, consuming and collaborating with the platform rather than owning it.

Responsibilities

  • Lead the migration of services off the London Datacentre onto AWS and Kubernetes, with .NET 10 as the target runtime.
  • Build and maintain shared service templates, libraries, and patterns so the wider team can converge on a consistent, modern estate.
  • Design and build migration pipelines that combine Terraform, CI/CD, and AI coding agents to refactor and move services at scale, including adding test coverage as part of the migration step.
  • Work with the platform team on observability, networking, and dependency management as services land in the cloud estate.

Required Experience

  • Strong C# and .NET development experience (at least 8 years), including modern .NET and familiarity with the .NET Framework constraints typical of legacy estates.
  • Hands‑on AWS experience, building, deploying, and operating production workloads.
  • Production experience with Kubernetes, including deploying and operating workloads on K8s in a cloud environment.
  • Strong Terraform skills and a track record of using infrastructure‑as‑code to provision and manage cloud environments.
  • Comfortable working through authentication issues across a mixed estate, including handling legacy mechanisms and bringing services onto modern, token‑based patterns.
  • Experience with SQL Server.
  • Active day‑to‑day use of agentic coding tools such as Claude Code, Codex, or equivalent, with a willingness to drive substantial refactors and migrations through them rather than by hand.

Desirable Experience

  • Python development for tooling, automation, and pipeline work.
  • Experience leading large legacy‑to‑cloud migrations, particularly off on‑prem Windows estates.
  • Experience designing service templates or "golden paths" that other engineers adopt and build on.
  • Familiarity with observability tooling, including metrics, tracing, and structured logging across distributed services.

Lead Full Stack Engineer in London employer: TXP

At TXP, we pride ourselves on being an exceptional employer, offering a collaborative work culture that fosters innovation and professional growth. Located in the vibrant heart of Westminster, London, our team enjoys flexible working arrangements, competitive daily rates, and the opportunity to lead transformative projects in cloud migration and modern application development. Join us to be part of a forward-thinking environment where your expertise will directly impact our success and your career trajectory.

TXP

Contact Details:

TXP Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Lead Full Stack Engineer in London

Tip Number 1

Network, network, network! Get out there and connect with folks in the industry. Attend meetups, tech talks, or even online webinars. You never know who might have a lead on that perfect Lead Full Stack Engineer role!

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving AWS, Kubernetes, and .NET. This is your chance to demonstrate your hands-on experience and make a lasting impression.

Tip Number 3

Don’t just apply anywhere; focus on companies that align with your values and expertise. Use our website to find roles that excite you and match your skill set. Tailor your approach to each opportunity for the best results!

Tip Number 4

Prepare for interviews by brushing up on common technical questions related to C#, .NET, and cloud migrations. Practice explaining your past experiences clearly and confidently, so you can showcase your leadership skills effectively.

We think you need these skills to ace Lead Full Stack Engineer in London

C#
.NET
AWS
Kubernetes
Terraform
Infrastructure-as-Code
SQL Server

Some tips for your application 🫡

Tailor Your CV:Make sure your CV highlights your experience with C#, .NET, AWS, and Kubernetes. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects or achievements!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re the perfect fit for the Lead Full Stack Engineer position. Share your passion for cloud migrations and how you’ve tackled similar challenges in the past.

Showcase Your Leadership Skills:Since this is a lead role, we’re keen to see examples of your leadership experience. Whether it’s mentoring junior developers or leading a project, let us know how you’ve guided teams to success.

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 TXP

Know Your Tech Stack Inside Out

Make sure you’re well-versed in C#, .NET, AWS, and Kubernetes. Brush up on your Terraform skills too! Be ready to discuss specific projects where you've used these technologies, as this will show your hands-on experience.

Showcase Your Migration Experience

Since the role involves migrating services to AWS, prepare examples of past migrations you've led or been a part of. Highlight any challenges you faced and how you overcame them, especially with legacy systems.

Demonstrate Leadership Skills

As a Lead Full Stack Engineer, you'll need to guide others. Think of instances where you've mentored team members or led a project. Be ready to discuss your approach to collaboration and how you ensure consistency across the team.

Prepare for Problem-Solving Questions

Expect technical questions that test your problem-solving abilities. Practice coding challenges or scenarios related to cloud migration and service management. This will help you think on your feet during the interview.