Full Stack PHP Developer

The HALO Trust; Salisbury; On-site; GBP 80,000 - 100,000; Full time

Job summary

An international NGO is looking for a Full Stack PHP Developer to enhance their web-based operations management system. This role involves working with Laravel, Bootstrap, and PostgreSQL to improve the efficiency of mine clearance and ordnance disposal operations globally. Applicants should have strong skills in PHP and recent Laravel versions, as well as experience with PostgreSQL databases. This is a rewarding opportunity to contribute to meaningful work impacting communities affected by conflict.

Benefits

25 days annual leave plus bank holidays

Non-contributory Life Assurance

Private medical health cover

Emergency medical insurance

Workplace Pension

Occupational Health services

Flexible working policy

Qualifications

• Strong experience with recent Laravel versions and PHP8.
• Proficiency in frontend frameworks like Bootstrap.
• Capability to write and manage PostgreSQL and JSON databases.

Responsibilities

• Develop new functionalities and interfaces using Laravel and Bootstrap.
• Manage software upgrades and ensure system security.
• Collaborate with stakeholders to design tailored solutions.

Skills

PHP

Laravel

PostgreSQL

Bootstrap

JavaScript

Git

Docker

RESTful APIs

AWS

Linux

Job description

• Creating new functionality and interfaces with Laravel, Bootstrap and JavaScript, to ensure flexibility for future requirements and scalability
• Scripting database changes using Data Definition Language and rolling them out to ensure minimal downtime and integrity of existing data
• Storing all changes in Git with descriptive commit messages
• Tracking progress of work using Jira and Github issues
• Writing unit tests to ensure coverage of key functionality
• Reviewing pull requests of other developers
• Selecting third-party packages that are well-supported and future-proof
• Upgrading backend and frontend software as appropriate to ensure our systems are as secure and performant has possible
• Testing all changes before releasing to production
• Collaborating with other colleagues to design solutions based on stakeholder requirements
• Documenting new features and system architecture in a concise way
• Providing training sessions to system users on new features
• Isolating and fixing bugs, making sure that existing functionality does not change
• Responding to incoming questions from programmes
  The role would suit a person who is motivated to deliver tailored interfaces to help their colleagues to improve digital processes. The role requires attention to detail and pragmatic attitude; HALO is an organisation that focusses on solutions instead of problems - sometimes in rapidly changing environments; recent events in Syria Gaza and Sudan have required us to react to new requirements. The successful candidate will be working with a large Postgres database, NoSQL JSON data, writing PHP in Laravel, designing interfaces with the Bootstrap framework and Blade views, writing native JavaScript, deploying code on servers, communicating with stakeholders and collaborating with colleagues that work in explosive ordnance disposal, weapons and ammunition management and landmine clearance., Resilient, with the ability to adapt in a complex, fast-paced, changing environment
• Self-motivated with the ability to work with minimal supervision
• Experience of delivering priority work within strict timelines
• Experience with recent Laravel versions and PHP8
• Frontend CSS / HTML frameworks such as Bootstrap
• Ability to write native SQL : PostgreSQL, MySQL or SQL Server
• Using JSON within SQL databases
• Setting up webservers
• Managing native JavaScript or jQuery with modules and NPM
• Vite or Webpack
• Git
• Multi-tenanted codebases
• Managing large Postgres databases with hundreds of tables and millions of rows
• Working with PostGIS data
• Leaflet Maps / Google Maps API
• Docker
• Experience working with RESTful APIs
• Linux, Ubuntu, Apache / NGINX
• AWS or Google Cloud Platform (GCP)
• Writing tests, TDD / BDD
• Working Charities or NGOs
• We are seeking a Full Stack PHP Developer to work on our web-based internal operations management system, to help increase the functionality and efficiency of HALO's operations. Built in-house in 2020 using Laravel, Bootstrap and PostgreSQL, and hosted in AWS, the system is the largest database of mine clearance, explosive ordnance disposal, and weapons and ammunition management operations in the world, spanning 30 countries, over 20,000 minefields and data on the daily productivity of 10,000 staff. The role is a fantastic opportunity to work with meaningful data, whose purpose is to improve the lives of communities affected by conflict.
• In 2025, HALO published its to increase the use of technology throughout our mine-clearance operations. This role is a critical element of delivering the roadmap to ensure cutting edge technology can be used to increase efficiency and to ensure data flows into the hands of users in remote areas. Reporting to the Head of Information Management and GIS, we are looking for a developer with a self-starter mentality, who is comfortable working across the entire software development stack. The system is mission-critical; used by hundreds of users every day around the world and needs to work reliably in conflict-affected countries with poor internet connections.
• 25 days annual leave plus bank holidays
• Non-contributory Life Assurance (3 x salary)
• Private medical health cover
• Emergency medical insurance when travelling overseas
• Workplace Pension with up to 5% contributions matched by HALO
• Occupational Health services including physiotherapy support and counselling support
• Flexible working policy