Principal Backend Engineer

Milton Keynes, ENG, GB, United Kingdom

Job Description

About Us


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eyworks Limited is a fast-growing SaaS company delivering technology solutions to the childcare and education sector. Our platforms are built to be scalable, reliable, and intuitive - powered by PHP, React.js, React Native, and AWS cloud technologies.


As we continue to expand, we are seeking a

Principal Backend Engineer

to act as a technical authority across our backend systems. You will combine expert-level PHP engineering with strong AWS and database optimisation skills to design and deliver secure, high-performance, and scalable solutions.


This is a

hands-on, high-impact role

where you will work closely with product teams, engineers, and leadership to set technical direction, solve complex problems, and drive engineering excellence.



Key Responsibilities


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Lead Backend Development

- Architect, build, and optimise backend services using modern PHP frameworks (Yii, Laravel).

Platform Scalability & Reliability

- Design systems to handle high concurrency, multi-tenant environments, and rapid growth.

Database Optimisation

- Oversee MySQL (Aurora) performance tuning, indexing strategies, and schema design for scalability.

API Strategy

- Define and implement RESTful and event-driven APIs with best practices for performance and security.

AWS & DevOps

- Design and maintain cloud-native infrastructure using services such as S3, CloudFront, ECS/Fargate, Lambda, SQS, SNS, and Cognito.

CI/CD & Automation

- Ensure efficient, reliable deployments using GitLab CI/CD, AWS CodePipeline, or similar.

Security & Compliance

- Apply best practices in authentication, IAM, encryption, and audit logging to ensure a secure platform.

Technical Leadership

- Mentor engineers, review code, and champion high coding and architectural standards.

Cross-Team Influence

- Work with frontend, mobile, and product teams to ensure smooth integrations and unified platform design.

Continuous Improvement

- Evaluate new technologies, tools, and practices to improve productivity and system quality.

Required Skills & Experience


---------------------------------


10+ years

in software engineering, with a focus on backend development.

--------------------------------------------------------------------------------
Deep expertise in

PHP

(modern frameworks such as Yii, Laravel). Strong experience with

MySQL (Aurora)

performance optimisation and schema design. Expert knowledge of

AWS services

(S3, CloudFront, ECS, Lambda, SQS, SNS, Cognito, CloudWatch). Proven experience building and scaling

multi-tenant SaaS platforms

. Strong understanding of

DevOps practices

and containerisation (Docker, ECS). Skilled in

API architecture

and event-driven design. Solid understanding of

security best practices

and cloud compliance. Excellent problem-solving, communication, and mentoring skills.

Preferred Skills


--------------------


AWS Certification (Solutions Architect or Developer).

---------------------------------------------------------
Experience with Infrastructure as Code (Terraform, CloudFormation). Exposure to mobile backend integrations (React Native + AWS). Knowledge of cost optimisation and performance profiling in AWS.

Why Join Us?


----------------


Lead the backend technical direction for a high-growth SaaS platform.

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Hybrid flexible working model. Influence key architectural and technology decisions. Collaborative and innovation-driven environment. Career progression into senior architectural or leadership roles.

Note:

You must have the right to work in the United Kingdom; no visa sponsorship will be provided.



Posted via: eyrecruit

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Job Detail

  • Job Id
    JD3533365
  • Industry
    Not mentioned
  • Total Positions
    1
  • Job Type:
    Full Time
  • Salary:
    Not mentioned
  • Employment Status
    Permanent
  • Job Location
    Milton Keynes, ENG, GB, United Kingdom
  • Education
    Not mentioned