Lead Software Engineer in London

Energy Jobline ZR; City Of London; Hybrid; GBP 95,000 - 120,000; Full time

Job summary

A leading global energy job board seeks an experienced Lead .NET Software Engineer in London to design and develop scalable backend services. The ideal candidate has over 8 years of experience with C# and is proficient in AWS and microservices architecture. This hybrid role offers a salary between £95,000 and £120,000 with great benefits including private healthcare, annual bonus, and a dedicated learning budget.

Benefits

27 days’ holiday plus bank holidays

Private healthcare

Pension plan

Comprehensive benefits package

Dedicated learning and development budget

Qualifications

• 8+ years of commercial experience with C# / .NET Core / .NET 6+.
• Proven experience designing and building distributed, microservices-based systems.
• Deep understanding of AWS services and architecture.

Responsibilities

• Design and lead the development of scalable backend services using .NET 8.
• Architect cloud-microservices and distributed systems on AWS.
• Drive engineering standards, best practices, and technical excellence.

Skills

C# / .NET Core / .NET 6+

AWS (ECS, Lambda, etc.)

API design

CI/CD pipelines

Leadership skills

Tools

Docker

Kubernetes

Job description

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job Description

Lead .NET Software Engineer | London | £95,000–£120,000 + Bonus + Hybrid

Location: Central London (Hybrid: one a fortnight onsite)

Salary: £95,000–£120,000 + performance bonus + excellent benefits

Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes

The Opportunity

We are partnering with a high-growth SaaS organisation in Central London that is scaling its cloud-based platform and strengthening its engineering leadership. As part of this growth, they are seeking a Lead .NET Software Engineer to guide a talented team within a modern, high-performance engineering environment.

This is an opportunity to lead from the front, owning architectural direction, driving technical excellence, and ensuring delivery of scalable, resilient systems in a cloud-first, microservices-driven environment. You’ll be a hands‑on leader, balancing coding, mentoring, and strategic influence across multiple teams and initiatives.

The Role

As a Lead .NET Software Engineer, you will combine hands‑on technical expertise with leadership responsibilities, including:

• Designing and leading the development of scalable backend services using .NET 8 (C#)
• Architecting cloud‑microservices and distributed systems on AWS
• Driving engineering standards, best practices, and technical excellence across teams
• Leading architectural discussions and guiding long‑term technical strategy
• Collaborating with product, DevOps, and front‑end teams to deliver high‑quality solutions
• Mentoring and coaching engineers to help them grow their technical and leadership skills
• Overseeing delivery quality, performance, and maintainability across services

About You

You are an experienced, hands‑on technical leader who thrives on solving complex engineering challenges. You’re comfortable taking ownership of architecture and delivery while empowering others to do their best work.

You’ll bring:

• 8+ years of commercial experience with C# / .NET Core / .NET 6+
• Proven experience designing and building distributed, microservices-based systems
• Deep understanding of AWS (ECS, Lambda, EventBridge, DynamoDB, S3, etc.)
• Strong background in API design, asynchronous/event‑driven architectures, and system scalability
• Expertise with CI/CD pipelines and modern DevOps tooling (GitHub Actions, TeamCity, Jenkins, or Azure DevOps)
• Strong leadership skills with experience mentoring engineers and influencing cross‑functional teams
• Commitment to engineering quality, clean code, and continuous improvement

Nice to Have

• Experience leading or scaling engineering teams within a SaaS or cloud‑first environment
• Hands‑on experience with Docker and Kubernetes
• Familiarity with Domain‑Driven Design (DDD) and CQRS patterns
• Exposure to serverless architectures and event streaming (Kafka, SNS/SQS, etc.)

What’s on Offer

• Salary up to £120,000 (DOE) + annual bonus
• Hybrid working, typically 1 day per fortnight in London office
• 27 days’ holiday plus bank holidays
• Private healthcare, pension, and comprehensive benefits package
• Dedicated learning and development budget
• A progressive, engineering‑led culture that values autonomy, ownership, and innovation

If you are a Lead .NET Engineer who wants to influence architecture, guide teams, and deliver high‑impact software in a modern cloud‑environment, we’d love to hear from you.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.