Staff/Lead Backend Engineers (PHP)

JR United Kingdom; Hemel Hempstead; On-site; GBP 65,000 - 85,000; Full time

Job summary

A leading data integration technology firm seeks experienced Lead Backend Engineers to join their Platform Experience or Data Warehousing teams. This role involves leading feature development, optimizing systems, and driving technical excellence. Ideal candidates have extensive PHP experience, strong leadership skills, and a commitment to high code quality.

Qualifications

• 7+ years of experience solving backend challenges with PHP.
• Proven track record of leading technical teams.
• Strong understanding of system architecture.

Responsibilities

• Lead the development of new features and ensure high code quality.
• Identify system bottlenecks and improve monitoring.
• Collaborate with product managers, designers, and frontend engineers.

Skills

Problem-solving

Communication

Technical Leadership

APIs Optimization

Data Warehouse Management

Job description

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Client:

numi

Location:

hemel hempstead, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

6

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

Lead Backend Engineers (Platform Experience & Data Warehousing teams)

Location: UK, Ireland, Poland, Lithuania, Spain, Portugal, Finland

numi is proud to have partnered with a front-runner in data integration technology, providing excellent experiences for their clients, including some of the biggest names in the industry.

We are seeking experienced Lead Backend Engineers (PHP) to join either the Platform Experience or Data Warehousing teams.

• The Platform Experience team focuses on optimizing end-to-end platform journeys and building impactful customer experiences. They are developing a data visualization tool (dashboards) and building features primarily from scratch.
• The Data Warehousing team handles data storage and transfer solutions, helping users streamline data transfers to data warehouses/datalakes and improve internal storage. This involves scaling, refactoring, and enhancing complex data transfer systems handling large data volumes.

As a Lead Backend Engineer, you will lead the development of new features, ensure high code quality, provide technical guidance, and collaborate with product managers, designers, and frontend engineers.

You will also identify and address system bottlenecks, improve monitoring, and contribute to a culture of continuous improvement. For the Data Warehousing team, you'll be involved in improving system resilience and exploring AI integrations for data analytics.

You're the Lead we're looking for if you have:

• 7+ years of experience solving backend challenges with PHP.
• A proven track record of leading technical teams and setting strategic direction.
• A strong understanding of system architecture and elegant design principles.
• Deep knowledge of PHP core and best practices.
• Expertise in connecting systems via APIs and optimizing databases, including data warehousing and lakes.
• (For Data Warehousing) Experience building robust data pipelines and managing large data scales.
• Strong commitment to code quality and thorough testing.
• Skills in securing systems and using monitoring tools to ensure smooth operations.
• Excellent problem-solving and communication skills.
• Passion for collaborating with product and design teams to build impactful solutions.

Bonus skills: Knowledge of infrastructure tools (e.g., Kubernetes, GitHub Actions) and experience with AI tools.

Success in 6-12 months:

• Platform Experience: Building and designing significant parts of new features, demonstrating technical leadership, ensuring high quality and performance, and fostering effective team collaboration.
• Data Warehousing: Leading refactoring and scaling efforts of data transfer systems, improving resilience and performance, resolving complex data bugs, and enhancing monitoring. Guiding architectural decisions and leading key initiatives.