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Open nowFirst seen 28 hours ago

Lead Engineer

Sadler Recruitment Ltd27 open roles

Where
Cardiff, United Kingdom, Remote
Work mode
Remote
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Your applicationOpen nowLead EngineerSadler Recruitment Ltd · Cardiff, United Kingdom, Remote

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  4. CV RocketApplied on Sadler Recruitment Ltd's own form.

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11.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
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  2. 4.3%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: first seen 28 hours ago

The posting

Job Title: Lead Engineer

Location: Remote-first (Cardiff office twice a month)

Salary: £85,000 per annum

Overview

Were recruiting for an experienced engineer to take ownership of a cloud architecture that underpins a growing SaaS product used by thousands of customers.

This role combines hands-on engineering with architectural leadership. Youll guide technical direction, redesign core AWS infrastructure, and ensure systems are secure, scalable, and well-governed.

The position is not a management role in the traditional sense. The focus is on technical leadership through design decisions, problem-solving, and hands-on contribution.

Key Responsibilities

  • Re-architect and improve an established AWS environment, addressing scalability, security, and governance.
  • Design and implement distributed systems, APIs, and data pipelines focused on reliability and maintainability.
  • Work hands-on with infrastructure-as-code and application development (~50% hands-on).
  • Evaluate technical approaches and run proofs of concept to inform architecture decisions.
  • Support and mentor engineers within the team, encouraging sound engineering practices.
  • Define and evolve architectural standards and contribute to the roadmap for the wider technology function.

Experience Required

  • Proven experience designing and maintaining AWS-based architectures (networking, IAM, security, automation, and monitoring).
  • A background in a modern programming language such as Node.js, C#, or Java (the current stack uses Serverless, Node.js, and React).
  • Sound knowledge of SQL and experience with NoSQL and data pipelines.
  • Understanding of distributed systems, serverless computing, and modern cloud-native patterns.
  • Ability to think through complex technical challenges and communicate design choices clearly.
  • AWS qualifications are distinctly advantageous.

Preferred Background

This role may suit someone currently working as:

  • AWS Solutions Architect
  • Senior Software Engineer
  • Lead DevOps Engineer
  • Senior Data Engineer with strong AWS skills
  • Technical Lead in a SaaS or product-focused environment

Why Join

  • Opportunity to influence and define how AWS architecture evolves.
  • Work across a modern, serverless-first technology stack.
  • Exposure to a range of technical challenges at scale.
  • Remote-first culture with occasional on-site collaboration in Cardiff.
  • Stable environment focused on improvement, not firefighting.

Hours: Monday-Friday, full-time

Environment: Remote-first, collaborative, technically mature

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