Senior Systems Developer

oktra
Leading company in sustainable technology solutions.
Lead development & support of Laravel apps, WordPress sites, and Linux/Docker infrastructure
3 days ago ago
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
London Area, United Kingdom
Office Full-Time
Company Size
1500+ globally Employees
Service Specialisms
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Sector Specialisms
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Role
What you would be doing
git workflow
laravel development
wordpress management
docker deployment
nginx configuration
linux administration

Provide technical support and issue resolution for internal users, including those under pressure or facing critical issues.

Use Git repositories for version control, code collaboration, and structured deployment workflows.

Mentor and support junior developers as the team grows, fostering a collaborative and high-performing development culture.

Contribute to the planning and execution of system upgrades, migrations, and new feature rollouts.

Work closely with individual departmental stakeholders of the business systems to learn how they work and suggest system improvements to be developed to promote system interaction efficiency.

Perform ongoing operational maintenance, debugging, and performance tuning of existing applications and webspace’s.

Implement and enforce Git workflow best practices, including feature branching, pull requests, code reviews, and release tagging.

Manage and maintain company websites built on WordPress, including plugin updates, theme customizations, and security hardening.

Lead the development and enhancement of internal business systems built on PHP Laravel with a PostgreSQL and Azure blobstore backend.

Administer and troubleshoot Linux-based systems that host internal applications and services.

Configure and maintain web servers (Nginx) for optimal performance and security.

Ensure quality, maintainability, and adherence to best practices.

You’ll be working on a custom-built internal platform developed in PHP (Laravel) with a PostgreSQL backend, as well as supporting and maintaining several WordPress-based websites. The ideal candidate will have deep technical expertise in Linux environments, Docker, web server technologies (Nginx/Apache), and DNS / application communication configuration. You’ll also play a key role in shaping the future of the development of functions which will be built into the system to improve the way the company works, with the opportunity to help grow the team, lead code reviews, and mentor junior developers as the department scales.

Assist with firewall configuration and troubleshooting to ensure secure and reliable access to internal and external services, APIs and repos.

Document system architecture, workflows, and development processes.

Collaborate with the IT team to ensure seamless integration between systems and infrastructure.

Build, deploy, and manage containerized applications using Docker.

What you bring
linux
php
docker
git
postgresql
computer science

Strong troubleshooting and debugging skills across the full stack.

Familiarity with physical and web firewall technologies and network security knowledge.

Solid understanding of MVC architecture, RESTful APIs, and modern web development practices.

We are looking for a highly skilled Senior Developer to join our IT department and take ownership of our internal business systems and web platforms with a direct and concise approach. This role is central to the ongoing development, maintenance, and support of our core systems, which are critical to the daily operations of our internal projects, sales and design teams.

Expert-level knowledge of Linux-based systems, including shell scripting, system services, and performance tuning.

Experience with WordPress development and administration.

Working knowledge of APIs and manoeuvring of data between systems via call

Extensive knowledge and expertise around the function of ERP and CRM systems within businesses.

Knowledge of front-end frameworks (e.g., Vue.js, React) is a plus.

Knowledge of Microsoft power platform and powerapps.

Proficiency in configuring and managing Nginx web servers.

Degree in Computer Science, Software Engineering, or related fields.

An understanding of data flows and data migration topologies, utilising tools such as Azure Data Factory, SSMA, SSIS.

A creative mind, skills uniquely yours which inspire confidence and reassure those you work with.

Ability to work independently and manage multiple priorities in a fast-paced environment.

Strong experience with Git, including structured workflows (e.g., Git Flow), branching strategies, and CI/CD integration.

Excellent communication skills, especially when dealing with non-technical stakeholders or challenging personalities.

5+ years of experience in software development, with a strong focus on PHP (Laravel) and PostgreSQL with an ability to develop new branches on systems, ensuring QA and testing is convenient.

Experience in construction, architecture, or design industries.

Familiarity with container orchestration within Docker.

Knowledge of web domains and registrars, how domain records work and are amended etc.

Calm, professional demeanor under pressure and in conflict situations.

Hands-on experience with Docker for development of complex business systems and production environments.

Understanding business flows, from lead generation to project delivery.

Benefits
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Training + Development
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Company
Overview

Nope

Culture + Values
  • Bring your expertise in software development
  • Bring your creativity and problem-solving skills

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  • Bring your expertise in software development
  • Bring your creativity and problem-solving skills
Environment + Sustainability
  • Bring your expertise in software development
  • Bring your creativity and problem-solving skills

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  • Bring your expertise in software development
  • Bring your creativity and problem-solving skills
Inclusion & Diversity
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