Engineering Lead (.NET, Azure, Kubernetes)

Roc Search GmbH; Greater London; Hybrid; GBP 90,000 - 110,000; Full time

Job summary

A high-growth SaaS company in London is seeking an Engineering Lead to shape the future of their platform. The role involves leading a small engineering team and driving the technical architecture of the platform. Candidates should have proven experience with B2B SaaS and strong full-stack skills, particularly in C# and JavaScript. The position offers a competitive salary of £90,000–£110,000 and hybrid work options, as well as generous benefits including 28 days holiday, private medical care, and a flexible environment.

Benefits

28 days holiday plus UK bank holidays

Flexible hybrid working

Private medical care

Refer a friend bonus

Enhanced Pension plan

Qualifications

• Proven experience architecting and scaling B2B SaaS platforms.
• Strong full‑stack technical expertise, especially in C# and JavaScript.
• Experience integrating with APIs and identity platforms like Azure AD.

Responsibilities

• Design, lead, and evolve the technical architecture of the SaaS platform.
• Make tech stack decisions and infrastructure choices.
• Provide hands‑on technical leadership and mentorship.

Skills

Architecting B2B SaaS platforms

Full‑stack expertise in C# and JavaScript

Integrating with APIs and identity platforms

Understanding of Azure and Kubernetes

Collaborative mindset

Hands-on problem-solving

Job description

Engineering Lead (.NET, Azure, Kubernetes)

London (Hybrid) • £90k-£110k • SaaS platform

Roc Search have partnered with a small but high-growth SaaS business in London that's entering an exciting new chapter, and they're looking for an Engineering Lead who wants to play a pivotal role in shaping the future of their platform.

If you're currently a Senior .NET Engineer or Tech Lead with strong understanding of Azure and Kubernetes and ready to step further into strategic architecture and leadership, this is a standout opportunity.

• Drive the technical direction as the platform evolves from Azure Service Fabric → Kubernetes
• Work in a genuinely collaborative, small engineering team where your decisions have real impact
• Blend leadership with hands‑on engineering (around 40‑50% coding)
• Lead and develop a team of 4‑5 engineers from day one, with room to scale as the company grows

What you will be doing

• Design, lead, and evolve the technical architecture of the company's SaaS platform
• Make decisions on tech stack, infrastructure, frameworks, and integration approaches
• Collaborate closely with the Head of Platform to align architecture with roadmap priorities
• Provide hands‑on technical leadership – contributing code, conducting reviews, and guiding decisions
• Mentor and support a growing engineering team, ensuring high‑quality delivery
• Translate complex business requirements into scalable and maintainable systems
• Focus on performance, reliability, and security at scale
• Stay ahead of emerging technologies and contribute to continuous improvement

They're looking for someone with strong with the following

• Proven experience architecting and scaling B2B SaaS platforms
• Strong full‑stack technical expertise – especially across C#, JavaScript, and ideally React
• Experience integrating with APIs and identity platforms (e.g., Microsoft Entra ID / Azure AD)
• Solid understanding of cloud infrastructure – ideally Azure and Service Fabric/Kubernetes
• A collaborative mindset – comfortable working across product, engineering, and client delivery
• A pragmatic, hands‑on approach to problem‑solving and decision‑making
• Background in IAM or SSO is a bonus

💰 Salary: £90,000‑£110,000 (DOE)

Benefits

• 28 days holiday plus UK bank holidays
• Day off on your birthday
• Office shuts over Christmas time each year
• Flexible hybrid working
• Fun company and team outings – Summer and Christmas party
• Generous private medical care and additional perks with Vitality
• Refer a friend bonus
• £500 WFH set up
• Enhanced Pension plan
• Enhanced parental policies
• 4 weeks full sick pay
• Birthday, Long Service and Christmas gifts
• Cycle to work
• LinkedIn Learning